AMD Radeon RX 580 vs AMD Radeon RX 6400
23.5Rasterization22.4
20Ray Tracing20
38.7Memoryspec-based25.4
78Efficiencyspec-based95.6
30.4Compute24.1
6 spec wins — AMD Radeon RX 5805 spec wins — AMD Radeon RX 6400
InnoReviews verdict
This one is close to a dead heat: AMD Radeon RX 580 scores 34.3 against 33.6 for AMD Radeon RX 6400. Pick by the categories that matter to you — AMD Radeon RX 580 edges ahead in compute and rasterization, or by price.
Which would you pick?
Key differences
Reasons to pick the AMD Radeon RX 580
- Stronger compute score: 30 vs 24
- 300% higher Bus width: 256 bit vs 64 bit
- 200% higher Shading units: 2,304 vs 768
- 100% higher VRAM: 8 GB vs 4 GB
- 100% higher bandwidth: 256 GB/s vs 128 GB/s
Reasons to pick the AMD Radeon RX 6400
- 73% higher Boost clock: 2,321 MHz vs 1,340 MHz
- 71% lower TDP: 53 W vs 185 W
- 62% higher Base clock: 2,039 MHz vs 1,257 MHz
- 57% lower process: 6 nm vs 14 nm
- Lower launch price: $159 vs $229
General
| Spec | AMD Radeon RX 580 | AMD Radeon RX 6400 |
|---|---|---|
| Announced | 2017 | 2022 |
| Architecture | GCN 4.0 (Polaris) | RDNA 2 |
| Process | 14 nm | 6 nm+57% |
| TDP | 185 W | 53 W+71% |
| Power connector | 1x 8-pin | None (PCIe-powered) |
Cores & Clocks
| Spec | AMD Radeon RX 580 | AMD Radeon RX 6400 |
|---|---|---|
| Shading units | 2,304+200% | 768 |
| RT cores | — | 12 |
| Base clock | 1,257 MHz | 2,039 MHz+62% |
| Boost clock | 1,340 MHz | 2,321 MHz+73% |
Memory
| Spec | AMD Radeon RX 580 | AMD Radeon RX 6400 |
|---|---|---|
| VRAM | 8 GB+100% | 4 GB |
| VRAM type | GDDR5 | GDDR6 |
| Bus width | 256 bit+300% | 64 bit |
| Bandwidth | 256 GB/s+100% | 128 GB/s |
Benchmarks
| Spec | AMD Radeon RX 580 | AMD Radeon RX 6400 |
|---|---|---|
| 3DMark Time Spy | 4,348+22%Bottom 11% | 3,578Bottom 5% |
| 3DMark Speed Way | — | 100Bottom 2% |
| PassMark G3D | 8,782+13%Bottom 8% | 7,758Bottom 5% |
Features
| Spec | AMD Radeon RX 580 | AMD Radeon RX 6400 |
|---|---|---|
| Upscaling | FSR 2 (game-side) | FSR 3 |
Related comparisons
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