Product Compare
AMD Radeon HD 7950 Mac Edition vs AMD Radeon RX 580X
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Mar 2013 | Apr 2018 |
| Generation | Southern Islands | Polaris |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Clock Speeds | ||
| Memory Clock | 1250 MHz | 2000 MHz |
| Base Clock | 1257 MHz | |
| Boost Clock | 1340 MHz | |
| Memory | ||
| Memory Size | 3GB | 8GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 384bit | 256bit |
| Bandwidth | 240.0GB/s | 256.0GB/s |
| Render Config | ||
| Compute Units | 28 | 36 |
| Shading Units | 1792 | 2304 |
| TMUs | 112 | 144 |
| ROPs | 32 | 32 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 Cache | 768 KB | 2 MB |
| Theoretical Performance | ||
| Pixel Rate | 25.60 GPixel/s | 42.88 GPixel/s |
| Texture Rate | 89.60 GTexel/s | 193.0 GTexel/s |
| FP32 (float) | 2.867 TFLOPS | 6.175 TFLOPS |
| FP64 (double) | 716.8 GFLOPS | 385.9 GFLOPS |
| FP16 (half) | 6.175 TFLOPS | |
| Graphics Processor | ||
| GPU Name | Tahiti | Polaris 20 |
| GPU Variant | Tahiti PRO(215-0821056) | Polaris 20 XTX(215-0910038) |
| Architecture | GCN 1.0 | GCN 4.0 |
| Foundry | TSMC | GlobalFoundries |
| Process Size | 28 nm | 14 nm |
| Transistors | 4.313 billion | 5.7 billion |
| Die Size | 352 mm² | 232 mm² |
| Board Design | ||
| TDP | 200W | 185W |
| Suggested PSU | 550 W | 450 W |
| Outputs | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 | 1x HDMI 2.0b3x DisplayPort 1.4a |
| Power Connectors | 2x 6-pin | 1x 8-pin |
| Graphics Features | ||
| DirectX | 12 (11_1) | 12 (12_0) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 2.1 |
| Vulkan | 1.2 | 1.2 |
| Shader Model | 5.1 | 6.4 |