NVIDIA GeForce RTX 4090 vs AMD Radeon RX 6900 XT
Side-by-side benchmark comparison, specs, pricing, and value analysis.
Benchmark Comparison
🖥️ 1080p GamingRTX 4090 +41%
273193
🎮 1440p GamingRTX 4090 +28%
230179
📺 4K GamingRTX 4090 +23%
143116
💡 Ray TracingRTX 4090 +105%
16681
⚡ ProductivityRTX 4090 +28%
218170
Specifications
| Spec | GeForce RTX 4090 | Radeon RX 6900 XT |
|---|---|---|
| VRAM | 24GB GDDR6X | 8GB GDDR6 |
| Memory Bandwidth | 1008 GB/s | — |
| Shaders | 16384 | — |
| Boost Clock | 2520 MHz | — |
| TDP | 450W | 300W |
| Architecture | Ada Lovelace | RDNA 2.0 |
| 3DMark Steel Nomad | 9,236 | 4,065 |
| Best Price | $1,599 | $999 |
| Value Score | 26/100 | 27/100 |
Verdict
The NVIDIA GeForce RTX 4090 is faster but costs more. The AMD Radeon RX 6900 XT offers better value for money. Your choice depends on budget vs. performance priority.
NVIDIA GeForce RTX 4090 vs AMD Radeon RX 6900 XT: Which Should You Buy?
The NVIDIA GeForce RTX 4090 features 24GB of GDDR6X memory built on the Ada Lovelace architecture, while the AMD Radeon RX 6900 XT comes with 8GB GDDR6 on RDNA 2.0. In 1440p gaming benchmarks, the NVIDIA GeForce RTX 4090 leads by 28%.
At current prices ($1,599 vs $999), the AMD Radeon RX 6900 XT offers better value with a score of 27/100 compared to 26/100. Power consumption also differs: 450W vs 300W TDP.