Product Compare
AMD Radeon R9 M270X vs AMD Radeon HD 6870 X2
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Feb 2015 | Jul 2011 |
| Generation | Gem System | Northern Islands |
| Type | Mobile | Desktop |
| Bus Interface | PCIe 3.0 x16 | PCIe 2.0 x16 |
| Clock Speeds | ||
| Base Clock | 900 MHz | |
| Boost Clock | 1000 MHz | |
| Memory Clock | 1375 MHz | 1050 MHz |
| Memory | ||
| Memory Size | 2GB | 1024MB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 128bit | 256bit |
| Bandwidth | 88.00GB/s | 134.4GB/s |
| Render Config | ||
| Compute Units | 12 | 14 |
| Shading Units | 768 | 1120 |
| TMUs | 48 | 56 |
| ROPs | 16 | 32 |
| L1 Cache | 16 KB (per CU) | 8 KB (per CU) |
| L2 Cache | 256 KB | 512 KB |
| Theoretical Performance | ||
| Pixel Rate | 16.00 GPixel/s | 28.80 GPixel/s |
| Texture Rate | 48.00 GTexel/s | 50.40 GTexel/s |
| FP32 (float) | 1.536 TFLOPS | 2.016 TFLOPS |
| FP64 (double) | 96.00 GFLOPS | |
| Graphics Processor | ||
| GPU Name | Saturn | Barts |
| GPU Variant | Saturn PRO(216-0843044) | Barts XT(215-0798000) |
| Architecture | GCN 2.0 | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 40 nm |
| Transistors | 2.08 billion | 1.7 billion |
| Die Size | 160 mm² | 255 mm² |
| Board Design | ||
| TDP | Unknown | 300W |
| Outputs | Portable Device Dependent | 2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1 |
| Suggested PSU | 700 W | |
| Graphics Features | ||
| DirectX | 12 (12_0) | 11.2 (11_0) |
| OpenGL | 4.6 | 4.4 |
| OpenCL | 2.1 | 1.2 |
| Vulkan | 1.2.170 | N/A |
| Shader Model | 6.5 | 5.0 |