AMD Radeon RX 580 vs AMD Radeon RX 6600
23.2Rasterization30.1
20Ray Tracing22.7
38.7Memoryspec-based37.1
78Efficiencyspec-based92.3
30.1Compute36.6
3 spec wins — AMD Radeon RX 58010 spec wins — AMD Radeon RX 6600
InnoReviews verdict
AMD Radeon RX 6600 wins this graphics card face-off, 40 to 34.1, pulling ahead mainly in rasterization (+7) and compute (+7). AMD Radeon RX 580 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 580
- 100% higher Bus width: 256 bit vs 128 bit
- 29% higher Shading units: 2,304 vs 1,792
- 14% higher bandwidth: 256 GB/s vs 224 GB/s
- Lower launch price: $229 vs $329
Reasons to pick the AMD Radeon RX 6600
- Stronger rasterization score: 30 vs 23
- Stronger compute score: 37 vs 30
- 93% higher 4K Ultra: 27 fps vs 14 fps
- 91% higher 3DMark Time Spy: 8,400 vs 4,400
- 90% higher 1080p Ultra: 76 fps vs 40 fps
General
| Spec | AMD Radeon RX 580 | AMD Radeon RX 6600 |
|---|---|---|
| Announced | 2017 | 2021 |
| Architecture | GCN 4.0 (Polaris) | RDNA 2 |
| Process | 14 nm | 7 nm+50% |
| TDP | 185 W | 132 W+29% |
| Power connector | 1x 8-pin | 1x 8-pin |
Cores & Clocks
| Spec | AMD Radeon RX 580 | AMD Radeon RX 6600 |
|---|---|---|
| Shading units | 2,304+29% | 1,792 |
| RT cores | — | 28 |
| Base clock | 1,257 MHz | 1,626 MHz+29% |
| Boost clock | 1,340 MHz | 2,491 MHz+86% |
Memory
| Spec | AMD Radeon RX 580 | AMD Radeon RX 6600 |
|---|---|---|
| VRAM | 8 GB | 8 GB |
| VRAM type | GDDR5 | GDDR6 |
| Bus width | 256 bit+100% | 128 bit |
| Bandwidth | 256 GB/s+14% | 224 GB/s |
Benchmarks
| Spec | AMD Radeon RX 580 | AMD Radeon RX 6600 |
|---|---|---|
| 3DMark Time Spy | 4,400Bottom 12% | 8,400+91%Bottom 29% |
| 3DMark Speed Way | — | 1,500Bottom 4% |
| PassMark G3D | 8,600Bottom 8% | 13,900+62%Bottom 31% |
| 1080p Ultra | 40 fpsBottom 4% | 76 fps+90%Bottom 12% |
| 1440p Ultra | 28 fpsBottom 4% | 53 fps+89%Bottom 12% |
| 4K Ultra | 14 fpsBottom 4% | 27 fps+93%Bottom 12% |
Features
| Spec | AMD Radeon RX 580 | AMD Radeon RX 6600 |
|---|---|---|
| Upscaling | FSR 2 (game-side) | FSR 3 |
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