AMD Radeon RX 6600 XT vs AMD Radeon RX 7900 XTX
32.6Rasterization62.4
24.5Ray Tracing47.7
38.7Memory74
88.9Efficiency67
40.5Compute68.9
3 spec wins — AMD Radeon RX 6600 XT13 spec wins — AMD Radeon RX 7900 XTX
InnoReviews verdict
AMD Radeon RX 7900 XTX wins this graphics card face-off, 62.9 to 41.5, pulling ahead mainly in memory (+35) and rasterization (+30). 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 67
- 55% lower TDP: 160 W vs 355 W
- Lower launch price: $379 vs $999
Reasons to pick the AMD Radeon RX 7900 XTX
- Stronger rasterization score: 62 vs 33
- Stronger Ray Tracing score: 48 vs 25
- Stronger memory score: 74 vs 39
- Stronger compute score: 69 vs 41
- 275% higher bandwidth: 960 GB/s vs 256 GB/s
General
| Spec | AMD Radeon RX 6600 XT | AMD Radeon RX 7900 XTX |
|---|---|---|
| Announced | 2021 | 2022 |
| Architecture | RDNA 2 | RDNA 3 |
| Process | 7 nm | 5 nm+29% |
| TDP | 160 W+55% | 355 W |
| Power connector | 1x 8-pin | 2x 8-pin |
Cores & Clocks
| Spec | AMD Radeon RX 6600 XT | AMD Radeon RX 7900 XTX |
|---|---|---|
| Shading units | 2,048 | 6,144+200% |
| RT cores | 32 | 96+200% |
| Tensor / AI cores | — | 192 |
| Base clock | 1,968 MHz+6% | 1,855 MHz |
| Boost clock | 2,589 MHz+4% | 2,500 MHz |
Memory
| Spec | AMD Radeon RX 6600 XT | AMD Radeon RX 7900 XTX |
|---|---|---|
| VRAM | 8 GB | 24 GB+200% |
| VRAM type | GDDR6 | GDDR6 |
| Bus width | 128 bit | 384 bit+200% |
| Bandwidth | 256 GB/s | 960 GB/s+275% |
Benchmarks
| Spec | AMD Radeon RX 6600 XT | AMD Radeon RX 7900 XTX |
|---|---|---|
| 3DMark Time Spy | 10,200 | 30,500+199% |
| 3DMark Speed Way | 1,850 | 6,200+235% |
| PassMark G3D | 16,000 | 30,700+92% |
| 1080p Ultra | 88 fps | 188 fps+114% |
| 1440p Ultra | 62 fps | 147 fps+137% |
| 4K Ultra | 31 fps | 86 fps+177% |
Features
| Spec | AMD Radeon RX 6600 XT | AMD Radeon RX 7900 XTX |
|---|---|---|
| Upscaling | FSR 3 | FSR 3 |
Related comparisons
AMD Radeon RX 6600 XTvs NVIDIA GeForce RTX 2070 SuperVSAMD Radeon RX 6600 XTvs Intel Arc A750VSAMD Radeon RX 6600 XTvs AMD Radeon RX 6650 XTVSAMD Radeon RX 6600 XTvs NVIDIA GeForce RTX 3060VSAMD Radeon RX 7900 XTXvs NVIDIA GeForce RTX 4080 SuperVSAMD Radeon RX 7900 XTXvs NVIDIA GeForce RTX 5070 TiVSAMD Radeon RX 7900 XTXvs NVIDIA GeForce RTX 4080VSAMD Radeon RX 7900 XTXvs AMD Radeon RX 9070 XTVS