AMD Radeon HD 8670M vs AMD Radeon HD 8770M
What is the difference between AMD Radeon HD 8670M and AMD Radeon HD 8770M. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Mars | GPU Name | Mars |
| Mars XT | Model number | Mars 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
| Mar 1st, 2013 | Release Date | Apr 1st, 2013 |
| Solar System (HD 8600M) | Family | Solar System (HD 8700M) |
| End-of-life | Production | End-of-life |
| London | Predecessor | London |
| PCIe 3.0 x8 | Bus Interface | PCIe 3.0 x8 |
Memory
| 1024 MB | Memory Size | 2 GB |
| DDR3 | Memory Type | GDDR5 |
| 64 bit | Memory Bus | 128 bit |
| 14.40 GB/s | Bandwidth | 72.00 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 | 775 MHz |
| 825 MHz | Boost Clock | 825 MHz |
| 900 MHz 1800 Mbps effective | Memory Clock | 1125 MHz 4.5 Gbps 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) |
| 128 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 |