AMD Radeon RX 6600 vs AMD Radeon RX 7900 XTX
30.1Rasterization62.4
22.7Ray Tracing47.7
37.1Memory74
92.3Efficiency67
36.6Compute68.9
1 spec wins — AMD Radeon RX 660015 spec wins — AMD Radeon RX 7900 XTX
InnoReviews verdict
AMD Radeon RX 7900 XTX wins this graphics card face-off, 62.9 to 40, pulling ahead mainly in memory (+37) and compute (+32). 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 67
- 63% lower TDP: 132 W vs 355 W
- Lower launch price: $329 vs $999
Reasons to pick the AMD Radeon RX 7900 XTX
- Stronger rasterization score: 62 vs 30
- Stronger Ray Tracing score: 48 vs 23
- Stronger memory score: 74 vs 37
- Stronger compute score: 69 vs 37
- 329% higher bandwidth: 960 GB/s vs 224 GB/s
General
| Spec | AMD Radeon RX 6600 | AMD Radeon RX 7900 XTX |
|---|---|---|
| Announced | 2021 | 2022 |
| Architecture | RDNA 2 | RDNA 3 |
| Process | 7 nm | 5 nm+29% |
| TDP | 132 W+63% | 355 W |
| Power connector | 1x 8-pin | 2x 8-pin |
Cores & Clocks
| Spec | AMD Radeon RX 6600 | AMD Radeon RX 7900 XTX |
|---|---|---|
| Shading units | 1,792 | 6,144+243% |
| RT cores | 28 | 96+243% |
| Tensor / AI cores | — | 192 |
| Base clock | 1,626 MHz | 1,855 MHz+14% |
| Boost clock | 2,491 MHz | 2,500 MHz |
Memory
| Spec | AMD Radeon RX 6600 | AMD Radeon RX 7900 XTX |
|---|---|---|
| VRAM | 8 GB | 24 GB+200% |
| VRAM type | GDDR6 | GDDR6 |
| Bus width | 128 bit | 384 bit+200% |
| Bandwidth | 224 GB/s | 960 GB/s+329% |
Benchmarks
| Spec | AMD Radeon RX 6600 | AMD Radeon RX 7900 XTX |
|---|---|---|
| 3DMark Time Spy | 8,400 | 30,500+263% |
| 3DMark Speed Way | 1,500 | 6,200+313% |
| PassMark G3D | 13,900 | 30,700+121% |
| 1080p Ultra | 76 fps | 188 fps+147% |
| 1440p Ultra | 53 fps | 147 fps+177% |
| 4K Ultra | 27 fps | 86 fps+219% |
Features
| Spec | AMD Radeon RX 6600 | AMD Radeon RX 7900 XTX |
|---|---|---|
| Upscaling | FSR 3 | FSR 3 |
Related comparisons
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