AMD Radeon HD 8790M vs ATI Mobility Radeon HD 4670
What is the difference between AMD Radeon HD 8790M and ATI Mobility Radeon HD 4670. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Mars | GPU Name | M96 |
| Mars XTX | Model number | M96 XT (216-0729051) |
| GCN 1.0 | Architecture | TeraScale |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 55 nm |
| 950 million | Transistors | 514 million |
| 77 mm² | Die Size | 146 mm² |
Graphics Card
| Apr 1st, 2013 | Release Date | Jan 9th, 2009 |
| Solar System (HD 8700M) | Family | M9x (Mobility HD 4600) |
| End-of-life | Production | End-of-life |
| London | Predecessor | M8x |
| MXM-A (3.0) | Bus Interface | MXM-A (3.0) |
Memory
| 2 GB | Memory Size | 512 MB |
| GDDR5 | Memory Type | GDDR3 |
| 128 bit | Memory Bus | 128 bit |
| 64.00 GB/s | Bandwidth | 25.60 GB/s |
Performance
| 7.200 GPixel/s | Pixel fillrate | 5.400 GPixel/s |
| 21.60 GTexel/s | Texture fillrate | 21.60 GTexel/s |
| 691.2 GFLOPS | FP32 (float) performance | 432.0 GFLOPS |
Clock Speeds
| 1000 MHz 4 Gbps effective | Memory Clock | 800 MHz 1600 Mbps effective |
Render Config
| 384 | Shading Units | 320 |
| 24 | TMUs | 32 |
| 8 | ROPs | 8 |
| 6 | Compute Units | 4 |
| 16 KB (per CU) | L1 Cache | 16 KB (per CU) |
| 256 KB | L2 Cache | 128 KB |
Board Design
| MXM Module | Slot Width | MXM Module |
| unknown | Thermal design power (TDP) | 35 W |
| No outputs | Display Connectors | No outputs |
| C615 | Board Number | B79531 |
API support
| 12 (11_1) | DirectX | 10.1 (10_1) |
| 4.6 | OpenGL | 3.3 |
| 1.2 | OpenCL | 1.1 |
| 1.2 | Vulkan | N/A |
| 5.1 | Shader Model | 4.1 |