ATI Mobility Radeon HD 4670 Mac Edition vs AMD Radeon R5 M445
What is the difference between ATI Mobility Radeon HD 4670 Mac Edition and AMD Radeon R5 M445. Find out which graphics card has better performance.
Graphics Processor (GPU)
| M96 | GPU Name | Meso |
| M96 XT (216-0729051) | Model number | Meso XT (216-0867030) |
| TeraScale | Architecture | GCN 3.0 |
| TSMC | Foundry | TSMC |
| 55 nm | Process Size | 28 nm |
| 514 million | Transistors | 1,550 million |
| 146 mm² | Die Size | 125 mm² |
Graphics Card
| Sep 16th, 2009 | Release Date | 2016 |
| M9x (Mobility HD 4600) | Family | Crystal System (R5 M400) |
| End-of-life | Production | End-of-life |
| M8x | Predecessor | Solar System |
| MXM-A (3.0) | Bus Interface | PCIe 3.0 x8 |
Memory
| 256 MB | Memory Size | 4 GB |
| GDDR3 | Memory Type | GDDR5 |
| 128 bit | Memory Bus | 64 bit |
| 25.28 GB/s | Bandwidth | 32.00 GB/s |
Performance
| 5.440 GPixel/s | Pixel fillrate | 7.360 GPixel/s |
| 21.76 GTexel/s | Texture fillrate | 22.08 GTexel/s |
| 435.2 GFLOPS | FP32 (float) performance | 706.6 GFLOPS |
Clock Speeds
| 790 MHz 1580 Mbps effective | Memory Clock | 1000 MHz 4 Gbps effective |
| 680 MHz | GPU Clock | 920 MHz |
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 | 128 KB |
Board Design
| 35 W | Thermal design power (TDP) | unknown |
| No outputs | Display Connectors | No outputs |
API support
| 10.1 (10_1) | DirectX | 12 (12_0) |
| 3.3 | OpenGL | 4.6 |
| 1.1 | OpenCL | 2.0 |
| N/A | Vulkan | 1.2 |
| 4.1 | Shader Model | 6.0 |