AMD Radeon HD 6670A vs AMD Radeon HD 7670M Rebrand
What is the difference between AMD Radeon HD 6670A and AMD Radeon HD 7670M Rebrand. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Turks | GPU Name | Whistler |
| Turks XT (215-0803000) | Model number | Whistler XT (216-0810001) |
| TeraScale 2 | Architecture | TeraScale 2 |
| TSMC | Foundry | TSMC |
| 40 nm | Process Size | 40 nm |
| 716 million | Transistors | 716 million |
| 118 mm² | Die Size | 104 mm² |
Graphics Card
| Apr 19th, 2011 | Release Date | Jul 1st, 2012 |
| All-In-One (HD 6000) | Family | London (HD 7600M) |
| End-of-life | Production | End-of-life |
| MXM-A (3.0) | Bus Interface | PCIe 2.0 x16 |
Memory
| 1024 MB | Memory Size | 1024 MB |
| GDDR5 | Memory Type | GDDR3 |
| 128 bit | Memory Bus | 128 bit |
| 64.00 GB/s | Bandwidth | 28.80 GB/s |
Performance
| 4.800 GPixel/s | Pixel fillrate | 9.600 GPixel/s |
| 14.40 GTexel/s | Texture fillrate | 14.40 GTexel/s |
| 576.0 GFLOPS | FP32 (float) performance | 576.0 GFLOPS |
Clock Speeds
| 1000 MHz 4 Gbps effective | Memory Clock | 900 MHz 1800 Mbps effective |
| 600 MHz | GPU Clock | 600 MHz |
Render Config
| 480 | Shading Units | 480 |
| 24 | TMUs | 24 |
| 8 | ROPs | 16 |
| 6 | Compute Units | 6 |
| 8 KB (per CU) | L1 Cache | 8 KB (per CU) |
| 256 KB | L2 Cache | 256 KB |
Board Design
| 45 W | Thermal design power (TDP) | 20 W |
| No outputs | Display Connectors | No outputs |
API support
| 11.2 (11_0) | DirectX | 11.2 (11_0) |
| 4.4 | OpenGL | 4.4 |
| 1.2 | OpenCL | 1.2 |
| N/A | Vulkan | N/A |
| 5.0 | Shader Model | 5.0 |