AMD Radeon RX 6400 vs NVIDIA GeForce RTX 4090
22.4Rasterization73.5
—Ray Tracing68.5
25.4Memoryspec-based74.6
95.6Efficiencyspec-based55.2
24.1Compute86.3
1 spec wins — AMD Radeon RX 640010 spec wins — NVIDIA GeForce RTX 4090
InnoReviews verdict
NVIDIA GeForce RTX 4090 wins this graphics card face-off, 71.8 to 37, pulling ahead mainly in compute (+62) and rasterization (+51). AMD Radeon RX 6400 still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the AMD Radeon RX 6400
- 88% lower TDP: 53 W vs 450 W
- Lower launch price: $159 vs $1,599
Reasons to pick the NVIDIA GeForce RTX 4090
- Stronger rasterization score: 74 vs 22
- Stronger compute score: 86 vs 24
- 2033% higher Shading units: 16,384 vs 768
- 967% higher RT cores: 128 vs 12
- 906% higher 3DMark Time Spy: 36,000 vs 3,579
General
| Spec | AMD Radeon RX 6400 | NVIDIA GeForce RTX 4090 |
|---|---|---|
| Announced | 2022 | 2022 |
| Architecture | RDNA 2 | Ada Lovelace |
| Process | 6 nm | 5 nm+17% |
| TDP | 53 W+88% | 450 W |
| Power connector | None (PCIe-powered) | 1x 16-pin |
Cores & Clocks
| Spec | AMD Radeon RX 6400 | NVIDIA GeForce RTX 4090 |
|---|---|---|
| Shading units | 768 | 16,384+2033% |
| RT cores | 12 | 128+967% |
| Tensor / AI cores | — | 512 |
| Base clock | 2,039 MHz | 2,235 MHz+10% |
| Boost clock | 2,321 MHz | 2,520 MHz+9% |
Memory
| Spec | AMD Radeon RX 6400 | NVIDIA GeForce RTX 4090 |
|---|---|---|
| VRAM | 4 GB | 24 GB+500% |
| VRAM type | GDDR6 | GDDR6X |
| Bus width | 64 bit | 384 bit+500% |
| Bandwidth | 128 GB/s | 1,008 GB/s+688% |
Benchmarks
| Spec | AMD Radeon RX 6400 | NVIDIA GeForce RTX 4090 |
|---|---|---|
| 3DMark Time Spy | 3,579Bottom 4% | 36,000+906%Top 3% |
| 3DMark Speed Way | — | 10,100Top 4% |
| PassMark G3D | 7,758Bottom 7% | 38,500+396%Top 3% |
| 1080p Ultra | — | 225 fpsTop 4% |
| 1440p Ultra | — | 180 fpsTop 4% |
| 4K Ultra | — | 112 fpsTop 4% |
Features
| Spec | AMD Radeon RX 6400 | NVIDIA GeForce RTX 4090 |
|---|---|---|
| Upscaling | FSR 3 | DLSS 4 (no MFG) |
Related comparisons
AMD Radeon RX 6400vs NVIDIA GeForce GTX 1660 TiVSAMD Radeon RX 6400vs NVIDIA GeForce GTX 1070 TiVSAMD Radeon RX 6400vs NVIDIA GeForce GTX 1070VSAMD Radeon RX 6400vs NVIDIA GeForce GTX 1080VSNVIDIA GeForce RTX 4090vs NVIDIA GeForce RTX 5080VSNVIDIA GeForce RTX 4090vs NVIDIA GeForce RTX 5070 TiVSNVIDIA GeForce RTX 4090vs NVIDIA GeForce RTX 4080 SuperVSNVIDIA GeForce RTX 4090vs AMD Radeon RX 7900 XTXVS