AMD Radeon RX 6900 XT vs AMD Radeon RX 7800 XT
46.3Rasterization45
35.6Ray Tracing36.4
56.8Memoryspec-based59.2
71.6Efficiencyspec-based78.4
61.7Compute56.8
7 spec wins — AMD Radeon RX 6900 XT6 spec wins — AMD Radeon RX 7800 XT
InnoReviews verdict
This one is close to a dead heat: AMD Radeon RX 6900 XT scores 51.8 against 52.2 for AMD Radeon RX 7800 XT. Pick by the categories that matter to you — AMD Radeon RX 7800 XT edges ahead in Ray Tracing, or by price.
Which would you pick?
Key differences
Reasons to pick the AMD Radeon RX 6900 XT
- Stronger compute score: 62 vs 57
- 33% higher Shading units: 5,120 vs 3,840
- 33% higher RT cores: 80 vs 60
Reasons to pick the AMD Radeon RX 7800 XT
- 29% lower process: 5 nm vs 7 nm
- 22% higher bandwidth: 624 GB/s vs 512 GB/s
- 12% lower TDP: 263 W vs 300 W
- Lower launch price: $499 vs $999
General
| Spec | AMD Radeon RX 6900 XT | AMD Radeon RX 7800 XT |
|---|---|---|
| Announced | 2020 | 2023 |
| Architecture | RDNA 2 | RDNA 3 |
| Process | 7 nm | 5 nm+29% |
| TDP | 300 W | 263 W+12% |
| Power connector | 2x 8-pin | 2x 8-pin |
Cores & Clocks
| Spec | AMD Radeon RX 6900 XT | AMD Radeon RX 7800 XT |
|---|---|---|
| Shading units | 5,120+33% | 3,840 |
| RT cores | 80+33% | 60 |
| Tensor / AI cores | — | 120 |
| Base clock | 1,825 MHz | — |
| Boost clock | 2,250 MHz | 2,430 MHz+8% |
Memory
| Spec | AMD Radeon RX 6900 XT | AMD Radeon RX 7800 XT |
|---|---|---|
| VRAM | 16 GB | 16 GB |
| VRAM type | GDDR6 | GDDR6 |
| Bus width | 256 bit | 256 bit |
| Bandwidth | 512 GB/s | 624 GB/s+22% |
Benchmarks
| Spec | AMD Radeon RX 6900 XT | AMD Radeon RX 7800 XT |
|---|---|---|
| 3DMark Time Spy | 20,816+4%Top 21% | 20,098Top 21% |
| 3DMark Speed Way | 3,921Top 42% | 4,069+4%Top 40% |
| PassMark G3D | 26,639+9%Top 23% | 24,469Top 28% |
| 1080p Ultra | 126 fps+4%Top 43% | 121 fpsTop 50% |
| 1440p Ultra | 95 fps+5%Top 43% | 90 fpsTop 48% |
| 4K Ultra | 55 fps+5%Top 45% | 52 fpsTop 48% |
Features
| Spec | AMD Radeon RX 6900 XT | AMD Radeon RX 7800 XT |
|---|---|---|
| Upscaling | FSR 3 | FSR 3 |
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