AMD Radeon RX 6600 XT vs AMD Radeon RX 7800 XT
32.6Rasterization49.8
24.5Ray Tracing36
38.7Memory59.2
88.9Efficiency78.4
40.5Compute56.1
2 spec wins — AMD Radeon RX 6600 XT13 spec wins — AMD Radeon RX 7800 XT
InnoReviews verdict
AMD Radeon RX 7800 XT wins this graphics card face-off, 53.7 to 41.5, pulling ahead mainly in memory (+21) and rasterization (+17). AMD Radeon RX 6600 XT 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 6600 XT
- Stronger efficiency score: 89 vs 78
- 39% lower TDP: 160 W vs 263 W
- Lower launch price: $379 vs $499
Reasons to pick the AMD Radeon RX 7800 XT
- Stronger rasterization score: 50 vs 33
- Stronger Ray Tracing score: 36 vs 25
- Stronger memory score: 59 vs 39
- Stronger compute score: 56 vs 41
- 144% higher bandwidth: 624 GB/s vs 256 GB/s
General
| Spec | AMD Radeon RX 6600 XT | AMD Radeon RX 7800 XT |
|---|---|---|
| Announced | 2021 | 2023 |
| Architecture | RDNA 2 | RDNA 3 |
| Process | 7 nm | 5 nm+29% |
| TDP | 160 W+39% | 263 W |
| Power connector | 1x 8-pin | 2x 8-pin |
Cores & Clocks
| Spec | AMD Radeon RX 6600 XT | AMD Radeon RX 7800 XT |
|---|---|---|
| Shading units | 2,048 | 3,840+88% |
| RT cores | 32 | 60+88% |
| Tensor / AI cores | — | 120 |
| Base clock | 1,968 MHz | — |
| Boost clock | 2,589 MHz+7% | 2,430 MHz |
Memory
| Spec | AMD Radeon RX 6600 XT | AMD Radeon RX 7800 XT |
|---|---|---|
| VRAM | 8 GB | 16 GB+100% |
| VRAM type | GDDR6 | GDDR6 |
| Bus width | 128 bit | 256 bit+100% |
| Bandwidth | 256 GB/s | 624 GB/s+144% |
Benchmarks
| Spec | AMD Radeon RX 6600 XT | AMD Radeon RX 7800 XT |
|---|---|---|
| 3DMark Time Spy | 10,200 | 20,100+97% |
| 3DMark Speed Way | 1,850 | 4,000+116% |
| PassMark G3D | 16,000 | 24,000+50% |
| 1080p Ultra | 88 fps | 157 fps+78% |
| 1440p Ultra | 62 fps | 117 fps+89% |
| 4K Ultra | 31 fps | 66 fps+113% |
Features
| Spec | AMD Radeon RX 6600 XT | AMD Radeon RX 7800 XT |
|---|---|---|
| Upscaling | FSR 3 | FSR 3 |
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