GeForce RTX 4090 (Laptop) vs Radeon RX 7900M
Laptop GPU comparison · NVIDIA vs AMD · 2023 vs 2023
GeForce RTX 4090 (Laptop) vs Radeon RX 7900M — head to head
| Metric | GeForce RTX 4090 (Laptop) | Radeon RX 7900M |
|---|---|---|
| Relative tier | 82/100 | 75/100 |
| TDP / power | 150 W | 180 W |
| Memory | 16 GB | 16 GB |
| Bandwidth | 576 GB/s | 576 GB/s |
| Boost clock | 2040 MHz | 2000 MHz |
Which one should you pick?
GeForce RTX 4090 (Laptop) leads by ~7 tier points — a modest relative-performance gap. Tier is a TweakGearPro planning estimate, not a benchmark — verify with reviews that match your exact workload, resolution and workload mix before buying.
Specs: vendor datasheets / TechPowerUp database, retrieved 2026-08-29. Tier is a TweakGearPro relative performance index (estimate), not a benchmark guarantee.
Full specifications
GeForce RTX 4090 (Laptop)
| Brand / series | NVIDIA GeForce RTX 40 Mobile |
|---|---|
| Architecture / class | Ada Lovelace |
| Launch year | 2023 |
| Shaders / cores | 9,728 |
| Memory | 16 GB GDDR6 · 256-bit · 576 GB/s |
| Boost clock | 2040 MHz |
| TDP | 150 W |
| Relative tier | 82/100 — High-end |
Radeon RX 7900M
| Brand / series | AMD Radeon RX 7000M |
|---|---|
| Architecture / class | RDNA 3 |
| Launch year | 2023 |
| Shaders / cores | 4,608 |
| Memory | 16 GB GDDR6 · 256-bit · 576 GB/s |
| Boost clock | 2000 MHz |
| TDP | 180 W |
| Relative tier | 75/100 — High-end |