AMD Radeon HD 8870M vs AMD Radeon R9 M270X
What is the difference between AMD Radeon HD 8870M and AMD Radeon R9 M270X. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Venus | GPU Name | Saturn |
| Venus XT | Model number | Saturn PRO |
| GCN 1.0 | Architecture | GCN 2.0 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| 1,500 million | Transistors | 2,080 million |
| 123 mm² | Die Size | 160 mm² |
Graphics Card
| Apr 1st, 2013 | Release Date | Feb 5th, 2015 |
| Solar System (HD 8800M) | Family | Crystal System (R9 M200) |
| End-of-life | Production | Active |
| London | Predecessor | Solar System |
| PCIe 3.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
| 2 GB | Memory Size | 2 GB |
| GDDR5 | Memory Type | GDDR5 |
| 128 bit | Memory Bus | 128 bit |
| 72.00 GB/s | Bandwidth | 88.00 GB/s |
Performance
| 12.40 GPixel/s | Pixel fillrate | 16.00 GPixel/s |
| 31.00 GTexel/s | Texture fillrate | 48.00 GTexel/s |
| 992.0 GFLOPS | FP32 (float) performance | 1.536 TFLOPS |
| 62.00 GFLOPS (1:16) | FP64 (double) performance | 96.00 GFLOPS (1:16) |
Clock Speeds
| 725 MHz | Base Clock | 900 MHz |
| 775 MHz | Boost Clock | 1000 MHz |
| 1125 MHz 4.5 Gbps effective | Memory Clock | 1375 MHz 5.5 Gbps effective |
Render Config
| 640 | Shading Units | 768 |
| 40 | TMUs | 48 |
| 16 | ROPs | 16 |
| 10 | Compute Units | 12 |
| 16 KB (per CU) | L1 Cache | 16 KB (per CU) |
| 256 KB | L2 Cache | 256 KB |
Board Design
| unknown | Thermal design power (TDP) | unknown |
| No outputs | Display Connectors | No outputs |
API support
| 12 (11_1) | DirectX | 12 (12_0) |
| 4.6 | OpenGL | 4.6 |
| 1.2 | OpenCL | 2.0 |
| 1.2 | Vulkan | 1.2 |
| 5.1 | Shader Model | 6.3 |