ATI Mobility Radeon HD 4670 Mac Edition vs AMD Radeon R7 250
What is the difference between ATI Mobility Radeon HD 4670 Mac Edition and AMD Radeon R7 250. Find out which graphics card has better performance.
Graphics Processor (GPU)
| M96 | GPU Name | Oland |
| M96 XT (216-0729051) | Model number | Oland XT (215-0837000) |
| TeraScale | Architecture | GCN 1.0 |
| TSMC | Foundry | TSMC |
| 55 nm | Process Size | 28 nm |
| 514 million | Transistors | 950 million |
| 146 mm² | Die Size | 77 mm² |
Graphics Card
| Sep 16th, 2009 | Release Date | Oct 8th, 2013 |
| M9x (Mobility HD 4600) | Family | Volcanic Islands (R7 200) |
| End-of-life | Production | End-of-life |
| M8x | Predecessor | Sea Islands |
| MXM-A (3.0) | Bus Interface | PCIe 3.0 x8 |
Memory
| 256 MB | Memory Size | 1024 MB |
| GDDR3 | Memory Type | GDDR5 |
| 128 bit | Memory Bus | 128 bit |
| 25.28 GB/s | Bandwidth | 73.60 GB/s |
Performance
| 5.440 GPixel/s | Pixel fillrate | 8.400 GPixel/s |
| 21.76 GTexel/s | Texture fillrate | 25.20 GTexel/s |
| 435.2 GFLOPS | FP32 (float) performance | 806.4 GFLOPS |
Clock Speeds
| 790 MHz 1580 Mbps effective | Memory Clock | 1150 MHz 4.6 Gbps effective |
Render Config
| 320 | Shading Units | 384 |
| 32 | TMUs | 24 |
| 8 | ROPs | 8 |
| 4 | Compute Units | 6 |
| 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) | 65 W |
| No outputs | Display Connectors | 1x DVI 1x HDMI 1x VGA |
| B80357 | Board Number | C576, C662 |
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 |