ATI Mobility Radeon HD 4670 vs AMD Radeon HD 7770M
What is the difference between ATI Mobility Radeon HD 4670 and AMD Radeon HD 7770M. Find out which graphics card has better performance.
Graphics Processor (GPU)
| M96 | GPU Name | Chelsea |
| M96 XT (216-0729051) | Model number | Chelsea XT |
| TeraScale | Architecture | GCN 1.0 |
| TSMC | Foundry | TSMC |
| 55 nm | Process Size | 28 nm |
| 514 million | Transistors | 1,500 million |
| 146 mm² | Die Size | 123 mm² |
Graphics Card
| Jan 9th, 2009 | Release Date | Apr 24th, 2012 |
| M9x (Mobility HD 4600) | Family | London (HD 7700M) |
| End-of-life | Production | End-of-life |
| M8x | Predecessor | Vancouver |
| MXM-A (3.0) | Bus Interface | PCIe 2.0 x16 |
Memory
| 512 MB | Memory Size | 1024 MB |
| GDDR3 | Memory Type | GDDR5 |
| 128 bit | Memory Bus | 128 bit |
| 25.60 GB/s | Bandwidth | 64.00 GB/s |
Performance
| 5.400 GPixel/s | Pixel fillrate | 10.80 GPixel/s |
| 21.60 GTexel/s | Texture fillrate | 21.60 GTexel/s |
| 432.0 GFLOPS | FP32 (float) performance | 691.2 GFLOPS |
Clock Speeds
| 800 MHz 1600 Mbps effective | Memory Clock | 1000 MHz 4 Gbps effective |
| 675 MHz | GPU Clock | 675 MHz |
Render Config
| 320 | Shading Units | 512 |
| 32 | TMUs | 32 |
| 8 | ROPs | 16 |
| 4 | Compute Units | 8 |
| 16 KB (per CU) | L1 Cache | 16 KB (per CU) |
| 128 KB | L2 Cache | 256 KB |
Board Design
| 35 W | Thermal design power (TDP) | 32 W |
| No outputs | Display Connectors | No outputs |
API support
| 10.1 (10_1) | DirectX | 12 (11_1) |
| 3.3 | OpenGL | 4.6 |
| 1.1 | OpenCL | 1.2 |
| N/A | Vulkan | 1.2 |
| 4.1 | Shader Model | 5.1 |