Product Compare
AMD Radeon HD 6850 X2 vs AMD Radeon RX 570X
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Sep 2011 | Apr 2018 |
| Generation | Northern Islands | Polaris |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 2.0 x16 | PCIe 3.0 x16 |
| Clock Speeds | ||
| Memory Clock | 1050 MHz | 1750 MHz |
| Base Clock | 1168 MHz | |
| Boost Clock | 1244 MHz | |
| Memory | ||
| Memory Size | 2GB | 8GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 256bit | 256bit |
| Bandwidth | 134.4GB/s | 224.0GB/s |
| Render Config | ||
| Compute Units | 12 | 32 |
| Shading Units | 960 | 2048 |
| TMUs | 48 | 128 |
| ROPs | 32 | 32 |
| L1 Cache | 8 KB (per CU) | 16 KB (per CU) |
| L2 Cache | 512 KB | 2 MB |
| Theoretical Performance | ||
| Pixel Rate | 25.60 GPixel/s | 39.81 GPixel/s |
| Texture Rate | 38.40 GTexel/s | 159.2 GTexel/s |
| FP32 (float) | 1.536 TFLOPS | 5.095 TFLOPS |
| FP16 (half) | 5.095 TFLOPS | |
| FP64 (double) | 318.5 GFLOPS | |
| Graphics Processor | ||
| GPU Name | Barts | Polaris 20 |
| GPU Variant | Barts PRO(215-0798006) | Polaris 20 XL(215-0910052) |
| Architecture | TeraScale 2 | GCN 4.0 |
| Foundry | TSMC | GlobalFoundries |
| Process Size | 40 nm | 14 nm |
| Transistors | 1.7 billion | 5.7 billion |
| Die Size | 255 mm² | 232 mm² |
| Board Design | ||
| TDP | 254W | 150W |
| Suggested PSU | 600 W | 450 W |
| Outputs | 2x DVI1x HDMI 1.3a1x DisplayPort 1.1 | 1x DVI1x HDMI 2.0b3x DisplayPort 1.4a |
| Power Connectors | 2x 8-pin | 1x 6-pin |
| Graphics Features | ||
| DirectX | 11.2 (11_0) | 12 (12_0) |
| OpenGL | 4.4 | 4.6 |
| OpenCL | 1.2 | 2.1 |
| Vulkan | N/A | 1.2 |
| Shader Model | 5.0 | 6.4 |