AMD Radeon HD 8770M vs AMD Radeon R7 M270
What is the difference between AMD Radeon HD 8770M and AMD Radeon R7 M270. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Mars | GPU Name | Opal |
| Mars XT | Model number | Opal XT |
| GCN 1.0 | Architecture | GCN 1.0 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| 950 million | Transistors | 950 million |
| 77 mm² | Die Size | 77 mm² |
Graphics Card
| Apr 1st, 2013 | Release Date | Jan 9th, 2014 |
| Solar System (HD 8700M) | Family | Crystal System (R7 M200) |
| End-of-life | Production | End-of-life |
| London | Predecessor | Solar System |
| PCIe 3.0 x8 | Bus Interface | PCIe 3.0 x8 |
Memory
| 2 GB | Memory Size | 2 GB |
| GDDR5 | Memory Type | DDR3 |
| 128 bit | Memory Bus | 128 bit |
| 72.00 GB/s | Bandwidth | 28.80 GB/s |
Performance
| 6.600 GPixel/s | Pixel fillrate | 6.600 GPixel/s |
| 19.80 GTexel/s | Texture fillrate | 19.80 GTexel/s |
| 633.6 GFLOPS | FP32 (float) performance | 633.6 GFLOPS |
Clock Speeds
| 775 MHz | Base Clock | 725 MHz |
| 825 MHz | Boost Clock | 825 MHz |
| 1125 MHz 4.5 Gbps effective | Memory Clock | 900 MHz 1800 Mbps effective |
Render Config
| 384 | Shading Units | 384 |
| 24 | TMUs | 24 |
| 8 | ROPs | 8 |
| 6 | Compute Units | 6 |
| 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 (11_1) |
| 4.6 | OpenGL | 4.6 |
| 1.2 | OpenCL | 1.2 |
| 1.2 | Vulkan | 1.2 |
| 5.1 | Shader Model | 5.1 |