AMD Radeon RX 6600 vs AMD Radeon RX 7900 GRE
30.1Rasterization52.7
22.7Ray Tracing39.2
37.1Memory58.2
92.3Efficiency78.7
36.6Compute60.2
2 spec wins — AMD Radeon RX 660014 spec wins — AMD Radeon RX 7900 GRE
InnoReviews verdict
AMD Radeon RX 7900 GRE wins this graphics card face-off, 55.9 to 40, pulling ahead mainly in compute (+24) and rasterization (+23). 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 79
- 49% lower TDP: 132 W vs 260 W
- 11% higher Boost clock: 2,491 MHz vs 2,245 MHz
- Lower launch price: $329 vs $549
Reasons to pick the AMD Radeon RX 7900 GRE
- Stronger rasterization score: 53 vs 30
- Stronger Ray Tracing score: 39 vs 23
- Stronger memory score: 58 vs 37
- Stronger compute score: 60 vs 37
- 207% higher 3DMark Speed Way: 4,600 vs 1,500
General
| Spec | AMD Radeon RX 6600 | AMD Radeon RX 7900 GRE |
|---|---|---|
| Announced | 2021 | 2023 |
| Architecture | RDNA 2 | RDNA 3 |
| Process | 7 nm | 5 nm+29% |
| TDP | 132 W+49% | 260 W |
| Power connector | 1x 8-pin | 2x 8-pin |
Cores & Clocks
| Spec | AMD Radeon RX 6600 | AMD Radeon RX 7900 GRE |
|---|---|---|
| Shading units | 1,792 | 5,120+186% |
| RT cores | 28 | 80+186% |
| Tensor / AI cores | — | 160 |
| Base clock | 1,626 MHz | 1,880 MHz+16% |
| Boost clock | 2,491 MHz+11% | 2,245 MHz |
Memory
| Spec | AMD Radeon RX 6600 | AMD Radeon RX 7900 GRE |
|---|---|---|
| VRAM | 8 GB | 16 GB+100% |
| VRAM type | GDDR6 | GDDR6 |
| Bus width | 128 bit | 256 bit+100% |
| Bandwidth | 224 GB/s | 576 GB/s+157% |
Benchmarks
| Spec | AMD Radeon RX 6600 | AMD Radeon RX 7900 GRE |
|---|---|---|
| 3DMark Time Spy | 8,400Top 90% | 22,700+170%Top 24% |
| 3DMark Speed Way | 1,500Top 98% | 4,600+207%Top 42% |
| PassMark G3D | 13,900Top 82% | 25,600+84%Top 29% |
| 1080p Ultra | 76 fpsTop 88% | 165 fps+117%Top 30% |
| 1440p Ultra | 53 fpsTop 90% | 124 fps+134%Top 29% |
| 4K Ultra | 27 fpsTop 90% | 70 fps+159%Top 24% |
Features
| Spec | AMD Radeon RX 6600 | AMD Radeon RX 7900 GRE |
|---|---|---|
| Upscaling | FSR 3 | FSR 3 |
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