Product Compare
AMD Radeon RX 455 OEM vs AMD Radeon Pro 575X
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Jun 2016 | Mar 2019 |
| Generation | Arctic Islands | Radeon Pro Mac |
| Type | Desktop | Mobile |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Clock Speeds | ||
| Memory Clock | 1625 MHz | 1700 MHz |
| Memory | ||
| Memory Size | 2GB | 4GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 128bit | 256bit |
| Bandwidth | 104.0GB/s | 217.6GB/s |
| Render Config | ||
| Compute Units | 12 | 32 |
| Shading Units | 768 | 2048 |
| TMUs | 48 | 128 |
| ROPs | 16 | 32 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 Cache | 256 KB | 2 MB |
| Theoretical Performance | ||
| Pixel Rate | 16.80 GPixel/s | 35.07 GPixel/s |
| Texture Rate | 50.40 GTexel/s | 140.3 GTexel/s |
| FP32 (float) | 1.613 TFLOPS | 4.489 TFLOPS |
| FP64 (double) | 100.8 GFLOPS | 280.6 GFLOPS |
| FP16 (half) | 4.489 TFLOPS | |
| Graphics Processor | ||
| GPU Name | Tobago | Polaris 20 |
| GPU Variant | Tobago PRO(215-0875010) | Polaris 20 XL(215-0910052) |
| Architecture | GCN 2.0 | GCN 4.0 |
| Foundry | TSMC | GlobalFoundries |
| Process Size | 28 nm | 14 nm |
| Transistors | 2.08 billion | 5.7 billion |
| Die Size | 160 mm² | 232 mm² |
| Board Design | ||
| TDP | 100W | 150W |
| Suggested PSU | 300 W | |
| Outputs | 1x DVI1x HDMI 1.4a1x DisplayPort 1.2 | No outputs |
| Power Connectors | 1x 6-pin | None |
| Graphics Features | ||
| DirectX | 12 (12_0) | 12 (12_0) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.0 | 2.1 |
| Vulkan | 1.2 | 1.2 |
| Shader Model | 6.3 | 6.4 |