Witcher 3 Mod Recovers 30 Percent Path Tracing Performance With One Trade

By Indie Kings | October 3, 2026

Updated October 3, 2026: Per PC Central, a free mod from Hourlines on Nexus Mods recovers up to 30 percent indoor path tracing performance on an RTX 5070 at 1440p with DLSS Quality. Per the same report, the darkest indoor corners become about 10 percent darker as the stated visual cost of that gain.

Thirty Percent Indoors, Ten Percent Outdoors

Per PC Central, The Witcher 3 Remastered supports demanding path tracing on PC, but the feature demands significant GPU power.

Per PC Central, a free mod from Hourlines on Nexus Mods offers a performance boost that makes these visuals more accessible.

Per PC Central, testing on an RTX 5070 at 1440p with DLSS Quality settings shows clear performance gains.

Per PC Central, the mod provides up to a 30 percent improvement in indoor path tracing performance.

That indoor figure is the headline number in the report by Mateo Mendoza, published Oct 1, 2026 05:04 UTC.

Per PC Central, outdoor path tracing sees a smaller gain of about 10 percent.

Per PC Central, ray tracing improvements are more modest, with only a 5 to 8 percent increase in overall ray tracing performance.

Per PC Central, ray traced shadows remain untouched by the mod, offering only a 1 percent improvement in that specific area.

The report therefore presents a split result, with the largest gain indoors, a smaller gain outdoors, and still smaller gains for general ray tracing and shadows.

Per PC Central, PC Central says this reduces the hardware barrier for players who want the new lighting without upgrading.

Per PC Central, PC Central calls it a practical solution for gamers who value visual fidelity but are constrained by frame rates.

Those two characterizations are attributed to PC Central in this article, and they are not adopted as independent findings here.

The test point behind all of these percentages is stated as one GPU model, one resolution, and one upscaler setting.

Per PC Central, that test point is an RTX 5070 at 1440p with DLSS Quality settings.

No other GPU, resolution, or upscaler setting is stated in the source for these gains.

The indoor gain is described with the qualifier up to, which signals a maximum reported result rather than a guaranteed result in every indoor location.

The outdoor gain is described with the qualifier about, which signals an approximate result rather than a fixed result.

The overall ray tracing gain is described as a range from 5 to 8 percent, which signals variation rather than a single point.

The shadow gain is described as 1 percent, with the added statement that shadows remain untouched.

Taken together, the numbers describe a mod that helps path tracing most, helps ray tracing less, and helps shadows least.

Per PC Central, the mod targets the game ray tracing and path tracing engines to improve rendering speed.

That targeting statement explains the scope of the reported gains, because the gains are tied to those engines.

The table below restates the measured trade exactly as reported, without adding frame rates or scenes.

The table above contains only figures that PC Central published for the stated test configuration.

Frame rates in FPS are not stated in the source, so they are not listed in the table.

The exact indoor scene tested is not stated in the source, so it is not listed in the table.

Any result on any other GPU is not stated in the source, so no such result appears here.

Any result at any other resolution is not stated in the source, so no such result appears here.

Any result with any other upscaler setting is not stated in the source, so no such result appears here.

Per PC Central, the indoor path tracing result is the strongest gain in the set.

Per PC Central, the outdoor path tracing result is positive but clearly smaller than the indoor result.

Per PC Central, the overall ray tracing result is still smaller, at 5 to 8 percent.

Per PC Central, the shadow result is the smallest, at 1 percent.

This ordering matters because it keeps the headline 30 percent figure in context.

The 30 percent figure applies to indoor path tracing in the stated configuration, not to every mode or location.

The 10 percent outdoor figure applies to outdoor path tracing in the same configuration, not to indoor scenes.

The 5 to 8 percent range applies to overall ray tracing performance, not to path tracing alone.

The 1 percent figure applies to ray traced shadows, which are described as untouched.

Readers who track only the headline should also track these limits, because the source states them together.

Two Bounces Become One

Per PC Central, the mod achieves its gain by reducing the number of light bounces in the path tracing calculation from two to one.

That single change is the central technique described in the source.

Per PC Central, this change specifically addresses indoor areas where path tracing is typically the slowest part of the rendering pipeline.

The source therefore links the technique to the location of the largest gain.

Indoor areas are identified as the slowest part of the pipeline for path tracing, per PC Central.

The reduction from two bounces to one is presented as the response to that indoor cost.

Per PC Central, the mod also implements lighter RTXGI for ray tracing to further reduce the load on the graphics card.

Lighter RTXGI is the second technique named in the source, alongside the bounce reduction.

The source presents both techniques together as the means to improve rendering speed.

Per PC Central, the mod targets the game ray tracing and path tracing engines to improve rendering speed.

That statement frames the two techniques as engine level changes rather than as content additions.

This article gives no installation steps and links no files, so it does not describe how those engine changes are applied.

The source does not state the mod file name or version, so this article does not name a file or version.

The source does not state the game patch version, so this article does not name a patch.

The source does not state driver version, CPU, or RAM, so this article does not name those components.

What is stated is the numerical change from two to one, plus lighter RTXGI, per PC Central.

That numerical change is the most specific technical fact in the report.

It is also the fact that connects directly to the visual cost discussed in the next section.

Fewer bounces are associated in the report with darker indoor corners, per PC Central.

Lighter RTXGI is associated in the report with reduced load on the graphics card, per PC Central.

Neither association is expanded beyond what PC Central stated, and no added explanation is offered here.

The report does not provide frame rates before or after, so this section reports percentages only.

If FPS figures are mentioned at all in connection with this mod, they should be marked [NEEDS VERIFICATION].

No FPS figures are offered in this section, because none were stated in the source.

The indoor focus deserves repetition, because the largest gain and the clearest cost both sit indoors.

Per PC Central, indoor areas are where path tracing is typically slowest.

Per PC Central, indoor path tracing gains up to 30 percent with the mod in the tested configuration.

Per PC Central, the darkest indoor corners become approximately 10 percent darker.

Those three indoor statements belong together, because technique, gain, and cost all point to the same space.

The outdoor result is smaller, which is consistent with a technique aimed at indoor pipeline cost, per the source framing.

Per PC Central, outdoor path tracing sees about 10 percent gain.

The source does not explain outdoor behavior beyond that figure, and this article adds no explanation.

The ray tracing result is smaller still, at 5 to 8 percent, per PC Central.

The shadow result is smallest, at 1 percent, with shadows described as untouched, per PC Central.

This section therefore leaves the technique exactly where the source leaves it: two bounces become one, plus lighter RTXGI.

The Ten Percent Darker Corners

Per PC Central, the darkest corners in indoor environments become approximately 10 percent darker due to the reduced light bounces.

That is the visual cost stated numerically in the source.

The gain of up to 30 percent indoors arrives with this darkening effect, per PC Central.

Readers should hold both numbers at once, because the source presents them as a trade.

Per PC Central, global illumination reactions may also appear slightly slower in dynamic scenes.

That slower reaction is the second visual caveat named in the source.

It applies to dynamic scenes, per PC Central, not to every scene.

The source qualifies it with may, which signals a possible effect rather than a measured percentage.

No percentage is given for the slower global illumination reaction, so none is stated here.

Per PC Central, ray traced shadows remain untouched by the mod, offering only a 1 percent improvement in that specific area.

Untouched shadows mean no meaningful shadow gain is claimed in the source.

The 1 percent figure is effectively a non result for shadows, per the source wording.

Together, these three points define the cost side: darker corners, possibly slower dynamic GI, and no real shadow change.

The corners point is the only cost with a number, at about 10 percent darker.

The dynamic GI point has no number, only the phrase slightly slower, per PC Central.

The shadow point has a number, but it is 1 percent, with shadows described as untouched.

This cost section does not add visual judgments beyond the source.

It does not say whether 10 percent darker is noticeable, acceptable, or preferable, because the source states no verdict.

It does not say which indoor corners are affected, because the exact indoor scene tested is not stated.

It does not say how often dynamic scenes show slower GI, because no frequency is stated.

It does not say that shadows look better or worse, because the source says they remain untouched.

PC Central own summary line frames the same trade in one sentence: A free mod for The Witcher 3 Remastered recovers up to 30 percent path tracing performance on RTX 5070 by reducing light bounces, though it darkens indoor corners.

That summary is attributed to PC Central and quoted here as the source own framing.

The angle of this article is that trade, stated numerically and without added verdict.

Up to 30 percent is the indoor gain, per PC Central.

About 10 percent darker is the indoor corner cost, per PC Central.

About 10 percent is the outdoor gain, per PC Central.

Only 1 percent is the shadow gain, per PC Central.

Those four numbers carry the whole trade, and they all come from the same test configuration.

That configuration is an RTX 5070 at 1440p with DLSS Quality, per PC Central.

Outside that configuration, the source states no cost and no gain.

This article therefore does not extend the 10 percent darker claim to other GPUs, resolutions, or settings.

It also does not extend the slower GI note beyond dynamic scenes, because the source limits it there.

It also does not convert the darker corners claim into FPS or into image quality scores, because none were stated.

Image: Path traced Cornell box render. Credit: Wikimedia Commons, CC0, Czerniawskimc.

The image above is a Cornell box test render illustrating global illumination, not The Witcher 3 and not the mod.

It is included only as a neutral illustration of path traced light behavior, not as evidence of the reported gains.

Do not read game performance or mod appearance from that test render.

One GPU, One Resolution, One Setting

Per PC Central, testing on an RTX 5070 at 1440p with DLSS Quality settings shows clear performance gains.

That sentence names the only tested point stated in the source.

The GPU is an RTX 5070, a graphics card from NVIDIA, per the source naming.

The resolution is 1440p, per PC Central.

The upscaler setting is DLSS Quality, per PC Central.

Nobody has published what the mod does on any other GPU, based on the source extracted for this article.

The source does not state results on any GPU other than the RTX 5070.

The source does not state results at any resolution other than 1440p.

The source does not state results with any upscaler setting other than DLSS Quality.

The source does not state CPU or RAM used, driver version, or game patch version.

The source does not state frame rates before or after.

The source does not state the exact indoor scene tested.

The source does not state the mod file name or version.

Those gaps are not minor details, because path tracing cost can vary by scene, settings, and system.

This article states that variation risk only as a scope limit, not as a new technical claim.

The reported gains should therefore be read as tied to the stated configuration, not as general promises.

Up to 30 percent indoors means up to 30 percent on RTX 5070 at 1440p DLSS Quality, per PC Central.

About 10 percent outdoors means about 10 percent in that same configuration, per PC Central.

Five to 8 percent overall ray tracing means 5 to 8 percent in that same configuration, per PC Central.

One percent for shadows means 1 percent in that same configuration, with shadows untouched, per PC Central.

About 10 percent darker corners means about 10 percent darker in indoor environments under that configuration, per PC Central.

May react slightly slower for global illumination means that note applies to dynamic scenes in the reported context, per PC Central.

No wider reading is supported by the source text supplied for this article.

The second table below lists what the source does not test, so readers do not overread the first table.

The table above is a scope guard, and each row reflects an absence in the source.

Not tested means the source states no result for that case.

Not stated means the source gives no value for that item.

This article adds no values to fill those rows.

If any FPS figures are later cited for this mod, they should be marked [NEEDS VERIFICATION] unless a primary test publishes them.

This article provides no FPS figures, so no marker is needed for its own numbers.

The single GPU point also means no comparison across vendors or tiers is possible from this source.

The single resolution point also means no claim about 1080p or 4K behavior is possible from this source. [NEEDS VERIFICATION] for any such claim.

The single upscaler point also means no claim about other DLSS modes or other upscalers is possible from this source. [NEEDS VERIFICATION] for any such claim.

What A Mod Changes And What It Does Not

This is a third party mod that alters the game rendering configuration.

It is not official content, it is tested on one GPU model in the source, and this article gives no installation steps and links no files.

Per PC Central, the mod comes from Hourlines on Nexus Mods.

Hourlines and Nexus Mods are named here in prose without hyperlinking, because download links are not wanted anywhere in this article.

Per PC Central, the mod targets the game ray tracing and path tracing engines to improve rendering speed.

Per PC Central, it does so by reducing light bounces from two to one and by implementing lighter RTXGI for ray tracing.

Those are the changes described in the source, and no other changes are described.

Per PC Central, ray traced shadows remain untouched, so shadows are an example of what the mod does not change in a meaningful way.

The 1 percent shadow figure supports that reading, per PC Central.

The mod does not, per the source, convert path tracing into a different lighting mode with a new name.

It is described as a configuration level adjustment to bounce count and RTXGI load, per PC Central.

This article does not describe where to place files, which values to edit, or which launcher options to use.

No installation steps appear here, by editorial choice stated in the scope note.

No file links appear here, and no mod, download, store, or manufacturer links appear here.

The scope note exists because rendering configuration changes can vary by patch and by system, and the source states neither patch nor full system.

Per PC Central, The Witcher 3 Remastered supports demanding path tracing on PC, but the feature demands significant GPU power.

Per PC Central, the mod offers a performance boost that makes these visuals more accessible.

Accessibility in that sentence means lower hardware load for the same feature, not support on every system.

Per PC Central, PC Central says this reduces the hardware barrier for players who want the new lighting without upgrading.

Per PC Central, PC Central calls it a practical solution for gamers who value visual fidelity but are constrained by frame rates.

Both statements are PC Central characterizations, and this article attributes them without adopting them as its own verdict.

This article does not recommend installing the mod, and it does not recommend against installing it.

It reports the stated gain, the stated cost, and the stated limits, and it leaves decisions to the reader.

The absence of install guidance is intentional, because the source extracted here provides no verified steps to repeat.

The absence of file links is intentional, because download links are not wanted anywhere in this article.

The absence of other GPU results is a source limit, not an editorial omission.

Readers who use a different GPU, resolution, or upscaler setting will find no applicable figure in this article.

That is the correct outcome when the source tests one point, because adding other points would require invention.

What Is Not Established

The source as extracted does not state the mod file name or version.

It does not state frame rates before or after, so no FPS uplift can be quoted here.

It does not state the exact indoor scene tested, so no location specific claim can be made here.

It does not state results on any GPU other than the RTX 5070.

It does not state results at any resolution other than 1440p.

It does not state results with any upscaler setting other than DLSS Quality.

It does not state CPU or RAM used, driver version, or game patch version.

Each of those items would be needed for a full reproduction, and none is available in the supplied source.

This section therefore serves as an explicit stop sign against overreading.

The 30 percent figure does not establish typical performance across the whole game.

It establishes up to 30 percent indoor path tracing performance in the stated configuration, per PC Central.

The 10 percent outdoor figure does not establish outdoor behavior in other configurations.

It establishes about 10 percent outdoor path tracing gain in the stated configuration, per PC Central.

The 5 to 8 percent ray tracing range does not establish ray tracing behavior elsewhere.

It establishes a modest overall ray tracing increase in the stated configuration, per PC Central.

The 1 percent shadow figure does not establish a shadow benefit.

It establishes that shadows remain untouched, per PC Central.

The 10 percent darker corners figure does not establish how every interior looks.

It establishes that the darkest indoor corners become approximately 10 percent darker, per PC Central.

The slower GI note does not establish a measured delay.

It establishes that global illumination reactions may appear slightly slower in dynamic scenes, per PC Central.

Any claim about other GPUs, other resolutions, or other upscaler settings would need verification. [NEEDS VERIFICATION].

Any claim about FPS values would need verification. [NEEDS VERIFICATION].

Any claim about a specific indoor location would need verification. [NEEDS VERIFICATION].

Any claim about CPU, RAM, driver, or patch dependence would need verification. [NEEDS VERIFICATION].

Any claim about the mod file name or version would need verification. [NEEDS VERIFICATION].

This article makes none of those claims, so it stays inside the published numbers.

The Charter style requirement here is flat and factual, not a review or guide.

No score is given, no verdict is offered, and no install recommendation is made.

FAQ

What does the mod reportedly improve?
Per PC Central, it improves indoor path tracing by up to 30 percent on an RTX 5070 at 1440p with DLSS Quality, with about 10 percent outdoors and 5 to 8 percent for overall ray tracing.

How does the mod reportedly achieve the gain?
Per PC Central, it reduces light bounces in the path tracing calculation from two to one and implements lighter RTXGI for ray tracing to reduce load on the graphics card.

What is the stated visual cost?
Per PC Central, the darkest indoor corners become approximately 10 percent darker due to reduced bounces, and global illumination may react slightly slower in dynamic scenes.

Does the mod improve ray traced shadows?
Per PC Central, no meaningful change is reported, with only 1 percent improvement and shadows described as untouched.

What configuration was tested?
Per PC Central, the only stated test point is an RTX 5070 at 1440p with DLSS Quality, with no stated results for other GPUs, resolutions, or upscaler settings.

Is this official content and does this article include install steps?
No, this is a third party mod that alters rendering configuration, it is not official content, and this article gives no installation steps and links no files.

Bottom Line

Per PC Central, the trade is numerical: up to 30 percent indoor path tracing gain against about 10 percent darker indoor corners, with smaller gains elsewhere.

Per PC Central, outdoor path tracing gains about 10 percent, overall ray tracing gains 5 to 8 percent, and shadows gain only 1 percent as untouched.

Per PC Central, the technique is light bounces from two to one plus lighter RTXGI, tested on RTX 5070 at 1440p with DLSS Quality.

No other GPU, resolution, or setting is covered, and no FPS, scene, system, driver, patch, file name, or version is stated.

This article adds no install steps, no file links, and no recommendation, in line with the scope note above.

Sources: reporting by PC Central and Mateo Mendoza, Free The Witcher 3 Remastered Mod Recovers Up to 30 percent Path Tracing Performance on RTX 5070, published Oct 1, 2026 05:04 UTC, PC Central report. Mod attribution to Hourlines on Nexus Mods and GPU setting naming for NVIDIA RTX 5070 are per that source and named here without links.