DRAM Die Value Beats TSMC N2 and N3 Per Area on AI Pricing [2026]
Wednesday, September 23, 2026By Indie Kings | September 23, 2026
Updated September 23, 2026: DRAM die value now beats TSMC N2 and N3 logic per square millimeter on paper, per Kurnal Insights via Tom is Hardware on September 22. At 1.50 dollars per Gb, 1b DRAM hits 0.654 dollars per mm2 against 0.424 for N2 and 0.283 for N3. Math is nominal with caveats attached.
Image: DRAM art via archive mirror of Tom is Hardware. Credit: Samsung via Tom is Hardware.
The math per reports
Per Tom is Hardware by Anton Shilov via Kurnal Insights, TSMC N3 wafers run 20,000 dollars for 0.283 dollars per mm2 while N2 runs 30,000 dollars for 0.424 dollars per mm2. DRAM at 1.50 dollars per Gb scales with density to 0.329 for 1y at 0.219 Gb per mm2, 0.410 for 1z at 0.273, and 0.654 for 1b at 0.436, per the same calculation.
Per the piece, 1b DRAM clears N2 by over 50 percent on nominal area value. 1y and 1z sit above N3, per the table.
Per the piece, figures use media leaks for TSMC pricing with no edge loss, dicing, test structures, defects, or yield subtracted. Read as nominal wafer area prices, not usable silicon cost.
| Process per Kurnal via Tom | Assumed base | Value per mm2 |
|---|---|---|
| TSMC N3 logic | 20,000 dollar wafer | 0.283 dollars |
| TSMC N2 logic | 30,000 dollar wafer | 0.424 dollars |
| 1y DRAM | 0.219 Gb per mm2 at 1.50 per Gb | 0.329 dollars |
| 1z DRAM | 0.273 Gb per mm2 at 1.50 per Gb | 0.410 dollars |
| 1b DRAM | 0.436 Gb per mm2 at 1.50 per Gb | 0.654 dollars |
The catch
Per the piece, N2 and N3 numbers are assumed TSMC processing prices while DRAM numbers are potential selling value per mm2 at the assumed memory price. Different sides of the ledger, per the piece.
Per the piece, logic needs pricier packaging than DRAM, TSMC contract pricing varies by volume plus customer plus terms, and TrendForce notes DDR5 spot procurement stays limited with sporadic transactions. Spot does not equal the bulk contract prices Micron, Samsung, and SK hynix actually collect, per the piece.
Per the piece, contract DRAM pricing would give a cleaner comparison but those prices are not public. Certainty that DRAM makers out earn TSMC per wafer is not established, stated openly.
- Nominal: Area math only, no yield or packaging.
- Mixing: Foundry fee versus memory revenue.
- Spot skew: Thin spot prints overstate bulk.
Memory crisis context
Per Tom is Hardware related coverage, DRAM supply to module makers could drop over 70 percent in 2027 per Apacer CEO, memory prices climbed 500 percent in 12 months to 10x tracked lows, and Micron warns HBM wafer penalty widens each generation at Hot Chips 2026. Tight supply explains why area value prints rich, per the cluster.
Per the same cluster, China CXMT hit 12nm class DRAM while NOR plus SLC NAND face severe undersupply as capacity routes to profitable lines. Every memory type squeezes at once.
Our draft-124 holds the September 22 pair of AMD GDDR7 Linux IDs plus Micron 2GB EOL. This file is the value math chapter, not a repeat.
| Signal per Tom cluster | Detail |
|---|---|
| Apacer 2027 warning | Module supply down 70 percent |
| 500 percent climb | To 10x tracked lows |
| Micron HBM penalty | Worse each generation |
| CXMT 12nm | China density milestone |
Buyer read
DDR5 producers make more per mm2 than logic on spot math, so no relief pricing follows. Producing DDR5 stays cheaper than N3 logic in cost terms while collecting more per area in revenue terms, per the piece.
Our stress test plus bottleneck plus buyer drafts pair here: buy memory sooner than later when builds need it. Waiting for a crash contradicts every September print.
This post is news-only with no store links.
FAQ
What crossed over?
Per Kurnal via Tom, DRAM selling value per mm2 above TSMC N2 and N3 wafer prices at stated assumptions.
What are the numbers?
Per the piece, N3 0.283 with N2 0.424 against 1y 0.329, 1z 0.410, and 1b 0.654 dollars per mm2.
Is this apples to apples?
No, per the piece. Foundry fee versus memory revenue with packaging plus yield excluded.
Does spot equal contract?
No, per the piece via TrendForce. Spot is thin and sporadic.
Does this replace draft-124?
No. Draft-124 covers GDDR7 IDs plus Micron EOL. This covers area value math.
Are sources primary?
No. Analyst estimate via Tom relay with caveats carried over.
Bottom Line
Memory silicon earns like leading edge logic on paper because shortage pricing says so. Treat the crossover as shortage proof, not cost proof.
Related: Intel confirms Arc future with Xe3P | Intel Arc Battlemage failure or future from 2025