Product Compare
AMD Radeon RX 580 vs AMD Radeon Sky 900
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Apr 2017 | Mar 2013 |
| Generation | Polaris | Radeon Sky |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Clock Speeds | ||
| Base Clock | 1257 MHz | 825 MHz |
| Boost Clock | 1340 MHz | 950 MHz |
| Memory Clock | 2000 MHz | 1250 MHz |
| Memory | ||
| Memory Size | 8GB | 3GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 256bit | 384bit |
| Bandwidth | 256.0GB/s | 240.0GB/s |
| Render Config | ||
| Compute Units | 36 | 28 |
| Shading Units | 2304 | 1792 |
| TMUs | 144 | 112 |
| ROPs | 32 | 32 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 Cache | 2 MB | 768 KB |
| Theoretical Performance | ||
| Pixel Rate | 42.88 GPixel/s | 30.40 GPixel/s |
| Texture Rate | 193.0 GTexel/s | 106.4 GTexel/s |
| FP16 (half) | 6.175 TFLOPS | |
| FP32 (float) | 6.175 TFLOPS | 3.405 TFLOPS |
| FP64 (double) | 385.9 GFLOPS | 851.2 GFLOPS |
| Graphics Processor | ||
| GPU Name | Polaris 20 | Tahiti |
| GPU Variant | Polaris 20 XTX(215-0910038) | Orthrus |
| Architecture | GCN 4.0 | GCN 1.0 |
| Foundry | GlobalFoundries | TSMC |
| Process Size | 14 nm | 28 nm |
| Transistors | 5.7 billion | 4.313 billion |
| Die Size | 232 mm² | 352 mm² |
| Board Design | ||
| TDP | 185W | 300W |
| Suggested PSU | 450 W | 700 W |
| Outputs | 1x HDMI 2.0b3x DisplayPort 1.4a | 1x DVI1x mini-DisplayPort 1.2 |
| Power Connectors | 1x 8-pin | 2x 8-pin |
| Graphics Features | ||
| DirectX | 12 (12_0) | 12 (11_1) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 1.2 |
| Vulkan | 1.3 | 1.2 |
| Shader Model | 6.7 | 5.1 |