AMD Radeon RX 6400 vs AMD Radeon RX 6900 XT
22.4Rasterization49.6
—Ray Tracing35.2
25.4Memoryspec-based56.8
95.6Efficiencyspec-based71.6
24.1Compute60.9
5 spec wins — AMD Radeon RX 64007 spec wins — AMD Radeon RX 6900 XT
InnoReviews verdict
AMD Radeon RX 6900 XT wins this graphics card face-off, 52.8 to 37, pulling ahead mainly in compute (+37) and rasterization (+27). 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
- 82% lower TDP: 53 W vs 300 W
- 14% lower process: 6 nm vs 7 nm
- 12% higher Base clock: 2,039 MHz vs 1,825 MHz
- Lower launch price: $159 vs $999
Reasons to pick the AMD Radeon RX 6900 XT
- Stronger rasterization score: 50 vs 22
- Stronger compute score: 61 vs 24
- 567% higher Shading units: 5,120 vs 768
- 567% higher RT cores: 80 vs 12
- 467% higher 3DMark Time Spy: 20,300 vs 3,579
General
| Spec | AMD Radeon RX 6400 | AMD Radeon RX 6900 XT |
|---|---|---|
| Announced | 2022 | 2020 |
| Architecture | RDNA 2 | RDNA 2 |
| Process | 6 nm+14% | 7 nm |
| TDP | 53 W+82% | 300 W |
| Power connector | None (PCIe-powered) | 2x 8-pin |
Cores & Clocks
| Spec | AMD Radeon RX 6400 | AMD Radeon RX 6900 XT |
|---|---|---|
| Shading units | 768 | 5,120+567% |
| RT cores | 12 | 80+567% |
| Base clock | 2,039 MHz+12% | 1,825 MHz |
| Boost clock | 2,321 MHz+3% | 2,250 MHz |
Memory
| Spec | AMD Radeon RX 6400 | AMD Radeon RX 6900 XT |
|---|---|---|
| VRAM | 4 GB | 16 GB+300% |
| VRAM type | GDDR6 | GDDR6 |
| Bus width | 64 bit | 256 bit+300% |
| Bandwidth | 128 GB/s | 512 GB/s+300% |
Benchmarks
| Spec | AMD Radeon RX 6400 | AMD Radeon RX 6900 XT |
|---|---|---|
| 3DMark Time Spy | 3,579Bottom 4% | 20,300+467%Top 23% |
| 3DMark Speed Way | — | 3,850Top 50% |
| PassMark G3D | 7,758Bottom 7% | 26,100+236%Top 17% |
| 1080p Ultra | — | 160 fpsTop 32% |
| 1440p Ultra | — | 118 fpsTop 34% |
| 4K Ultra | — | 64 fpsTop 38% |
Features
| Spec | AMD Radeon RX 6400 | AMD Radeon RX 6900 XT |
|---|---|---|
| Upscaling | FSR 3 | FSR 3 |
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