Product Compare
AMD Radeon RX 580X vs AMD Radeon RX 6800 3456SP
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Apr 2018 | Unknown |
| Generation | Polaris | Navi II |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 3.0 x16 | PCIe 4.0 x16 |
| Clock Speeds | ||
| Base Clock | 1257 MHz | 1700 MHz |
| Boost Clock | 1340 MHz | 2250 MHz |
| Memory Clock | 2000 MHz | 2000 MHz |
| Memory | ||
| Memory Size | 8GB | 16GB |
| Memory Type | GDDR5 | GDDR6 |
| Memory Bus | 256bit | 256bit |
| Bandwidth | 256.0GB/s | 512.0GB/s |
| Render Config | ||
| Compute Units | 36 | 54 |
| Shading Units | 2304 | 3456 |
| TMUs | 144 | 216 |
| ROPs | 32 | 96 |
| L1 Cache | 16 KB (per CU) | 128 KB per Array |
| L2 Cache | 2 MB | 4 MB |
| RT Cores | 54 | |
| L3 Cache | 128 MB | |
| Theoretical Performance | ||
| Pixel Rate | 42.88 GPixel/s | 216.0 GPixel/s |
| Texture Rate | 193.0 GTexel/s | 486.0 GTexel/s |
| FP16 (half) | 6.175 TFLOPS | 31.10 TFLOPS |
| FP32 (float) | 6.175 TFLOPS | 15.55 TFLOPS |
| FP64 (double) | 385.9 GFLOPS | 972.0 GFLOPS |
| Graphics Processor | ||
| GPU Name | Polaris 20 | Navi 21 |
| GPU Variant | Polaris 20 XTX(215-0910038) | Navi 21 ES(215-121000066) |
| Architecture | GCN 4.0 | RDNA 2.0 |
| Foundry | GlobalFoundries | TSMC |
| Process Size | 14 nm | 7 nm |
| Transistors | 5.7 billion | 26.8 billion |
| Die Size | 232 mm² | 520 mm² |
| Board Design | ||
| TDP | 185W | 250W |
| Suggested PSU | 450 W | 600 W |
| Outputs | 1x HDMI 2.0b3x DisplayPort 1.4a | 1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C |
| Power Connectors | 1x 8-pin | 2x 8-pin |
| Graphics Features | ||
| DirectX | 12 (12_0) | 12 Ultimate (12_2) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 2.1 |
| Vulkan | 1.2 | 1.3 |
| Shader Model | 6.4 | 6.8 |