AMD Radeon RX 6600 vs AMD Radeon RX 7900 XT
30.1Rasterization56.5
22.7Ray Tracing43.5
37.1Memory67
92.3Efficiency73.8
36.6Compute63.8
2 spec wins — AMD Radeon RX 660013 spec wins — AMD Radeon RX 7900 XT
InnoReviews verdict
AMD Radeon RX 7900 XT wins this graphics card face-off, 59.1 to 40, pulling ahead mainly in memory (+30) and compute (+27). AMD Radeon RX 6600 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
- Stronger efficiency score: 92 vs 74
- 56% lower TDP: 132 W vs 300 W
- Lower launch price: $329 vs $899
Reasons to pick the AMD Radeon RX 7900 XT
- Stronger rasterization score: 57 vs 30
- Stronger Ray Tracing score: 44 vs 23
- Stronger memory score: 67 vs 37
- Stronger compute score: 64 vs 37
- 260% higher 3DMark Speed Way: 5,400 vs 1,500
General
| Spec | AMD Radeon RX 6600 | AMD Radeon RX 7900 XT |
|---|---|---|
| Announced | 2021 | 2022 |
| Architecture | RDNA 2 | RDNA 3 |
| Process | 7 nm | 5 nm+29% |
| TDP | 132 W+56% | 300 W |
| Power connector | 1x 8-pin | 2x 8-pin |
Cores & Clocks
| Spec | AMD Radeon RX 6600 | AMD Radeon RX 7900 XT |
|---|---|---|
| Shading units | 1,792 | 5,376+200% |
| RT cores | 28 | 84+200% |
| Tensor / AI cores | — | 168 |
| Base clock | 1,626 MHz | — |
| Boost clock | 2,491 MHz+4% | 2,400 MHz |
Memory
| Spec | AMD Radeon RX 6600 | AMD Radeon RX 7900 XT |
|---|---|---|
| VRAM | 8 GB | 20 GB+150% |
| VRAM type | GDDR6 | GDDR6 |
| Bus width | 128 bit | 320 bit+150% |
| Bandwidth | 224 GB/s | 800 GB/s+257% |
Benchmarks
| Spec | AMD Radeon RX 6600 | AMD Radeon RX 7900 XT |
|---|---|---|
| 3DMark Time Spy | 8,400 | 26,500+215% |
| 3DMark Speed Way | 1,500 | 5,400+260% |
| PassMark G3D | 13,900 | 27,800+100% |
| 1080p Ultra | 76 fps | 168 fps+121% |
| 1440p Ultra | 53 fps | 130 fps+145% |
| 4K Ultra | 27 fps | 75 fps+178% |
Features
| Spec | AMD Radeon RX 6600 | AMD Radeon RX 7900 XT |
|---|---|---|
| Upscaling | FSR 3 | FSR 3 |
Related comparisons
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