ATI Mobility Radeon HD 4670 Mac Edition vs ATI Mobility Radeon HD 4870
What is the difference between ATI Mobility Radeon HD 4670 Mac Edition and ATI Mobility Radeon HD 4870. Find out which graphics card has better performance.
Graphics Processor (GPU)
| M96 | GPU Name | M98 |
| M96 XT (216-0729051) | Model number | M98 XT (216-0732023) |
| TeraScale | Architecture | TeraScale |
| TSMC | Foundry | TSMC |
| 55 nm | Process Size | 55 nm |
| 514 million | Transistors | 956 million |
| 146 mm² | Die Size | 256 mm² |
Graphics Card
| Sep 16th, 2009 | Release Date | Jan 9th, 2009 |
| M9x (Mobility HD 4600) | Family | M9x (Mobility HD 4800) |
| End-of-life | Production | End-of-life |
| M8x | Predecessor | M8x |
| MXM-A (3.0) | Bus Interface | PCIe 2.0 x16 |
Memory
| 256 MB | Memory Size | 512 MB |
| GDDR3 | Memory Type | GDDR3 |
| 128 bit | Memory Bus | 256 bit |
| 25.28 GB/s | Bandwidth | 56.83 GB/s |
Performance
| 5.440 GPixel/s | Pixel fillrate | 8.800 GPixel/s |
| 21.76 GTexel/s | Texture fillrate | 22.00 GTexel/s |
| 435.2 GFLOPS | FP32 (float) performance | 880.0 GFLOPS |
Clock Speeds
| 790 MHz 1580 Mbps effective | Memory Clock | 888 MHz 1776 Mbps effective |
| 680 MHz | GPU Clock | 550 MHz |
Render Config
| 320 | Shading Units | 800 |
| 32 | TMUs | 40 |
| 8 | ROPs | 16 |
| 4 | Compute Units | 10 |
| 16 KB (per CU) | L1 Cache | 16 KB (per CU) |
| 128 KB | L2 Cache | 256 KB |
Board Design
| 35 W | Thermal design power (TDP) | unknown |
| No outputs | Display Connectors | No outputs |
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 |