AMD Radeon HD 8670D IGP vs NVIDIA GeForce GT 640M
What is the difference between AMD Radeon HD 8670D IGP and NVIDIA GeForce GT 640M. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Devastator | GPU Name | GK107 |
| TeraScale 3 | Architecture | Kepler |
| TSMC | Foundry | TSMC |
| 32 nm | Process Size | 28 nm |
| 1,303 million | Transistors | 1,270 million |
| 246 mm² | Die Size | 118 mm² |
Graphics Card
| Mar 12th, 2013 | Release Date | Mar 22nd, 2012 |
| Richland (HD 8000) | Family | GeForce 600M |
| End-of-life | Production | End-of-life |
| Trinity | Predecessor | GeForce 500M |
| IGP | Bus Interface | PCIe 3.0 x16 |
Memory
| System Shared | Memory Size | 2 GB |
| System Shared | Memory Type | DDR3 |
| System Shared | Memory Bus | 128 bit |
| System Dependent | Bandwidth | 28.80 GB/s |
Performance
| 6.752 GPixel/s | Pixel fillrate | 5.000 GPixel/s |
| 20.26 GTexel/s | Texture fillrate | 20.00 GTexel/s |
| 648.2 GFLOPS | FP32 (float) performance | 480.0 GFLOPS |
Clock Speeds
| System Shared | Memory Clock | 900 MHz 1800 Mbps effective |
| 844 MHz | GPU Clock | 625 MHz |
Render Config
| 384 | Shading Units | 384 |
| 24 | TMUs | 32 |
| 8 | ROPs | 16 |
Board Design
| 100 W | Thermal design power (TDP) | 32 W |
| No outputs | Display Connectors | No outputs |
API support
| 11.2 (11_0) | DirectX | 12 (11_0) |
| 4.4 | OpenGL | 4.6 |
| 1.2 | OpenCL | 3.0 |
| N/A | Vulkan | 1.1 |
| 5.0 | Shader Model | 5.1 |