ATI Mobility Radeon HD 4670 Mac Edition vs ATI Radeon HD 4860
What is the difference between ATI Mobility Radeon HD 4670 Mac Edition and ATI Radeon HD 4860. Find out which graphics card has better performance.
Graphics Processor (GPU)
| M96 | GPU Name | RV790 |
| M96 XT (216-0729051) | Model number | RV790 GT |
| TeraScale | Architecture | TeraScale |
| TSMC | Foundry | TSMC |
| 55 nm | Process Size | 55 nm |
| 514 million | Transistors | 959 million |
| 146 mm² | Die Size | 282 mm² |
Graphics Card
| Sep 16th, 2009 | Release Date | Sep 9th, 2009 |
| M9x (Mobility HD 4600) | Family | Radeon R700 (HD 4800) |
| End-of-life | Production | End-of-life |
| M8x | Predecessor | Radeon R600 |
| MXM-A (3.0) | Bus Interface | PCIe 2.0 x16 |
Memory
| 256 MB | Memory Size | 512 MB |
| GDDR3 | Memory Type | GDDR5 |
| 128 bit | Memory Bus | 256 bit |
| 25.28 GB/s | Bandwidth | 96.00 GB/s |
Performance
| 5.440 GPixel/s | Pixel fillrate | 11.20 GPixel/s |
| 21.76 GTexel/s | Texture fillrate | 22.40 GTexel/s |
| 435.2 GFLOPS | FP32 (float) performance | 896.0 GFLOPS |
Clock Speeds
| 790 MHz 1580 Mbps effective | Memory Clock | 750 MHz 3 Gbps effective |
| 680 MHz | GPU Clock | 700 MHz |
Render Config
| 320 | Shading Units | 640 |
| 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
| MXM Module | Slot Width | Dual-slot |
| 35 W | Thermal design power (TDP) | 130 W |
| No outputs | Display Connectors | 2x DVI 1x S-Video |
| B80357 | Board Number | B932 |
API support
| 10.1 (10_1) | DirectX | 10.1 (10_1) |
| 3.3 | OpenGL | 3.3 |
| 1.1 | OpenCL | 1.1 |
| N/A | Vulkan | N/A |
| 4.1 | Shader Model | 4.1 |