AMD Radeon HD 8670 OEM vs NVIDIA GeForce GT 640 OEM
What is the difference between AMD Radeon HD 8670 OEM and NVIDIA GeForce GT 640 OEM. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Oland | GPU Name | GK107 |
| Oland XT (215-0837000) | Model number | GK107-320-A2 |
| GCN 1.0 | Architecture | Kepler |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| 950 million | Transistors | 1,270 million |
| 77 mm² | Die Size | 118 mm² |
Graphics Card
| Jan 8th, 2013 | Release Date | Apr 24th, 2012 |
| Sea Islands (HD 8600) | Family | GeForce 600 |
| End-of-life | Production | End-of-life |
| Southern Islands | Predecessor | GeForce 500 |
| PCIe 3.0 x8 | Bus Interface | PCIe 3.0 x16 |
Memory
| 2 GB | Memory Size | 2 GB |
| GDDR5 | Memory Type | DDR3 |
| 128 bit | Memory Bus | 128 bit |
| 73.60 GB/s | Bandwidth | 28.51 GB/s |
Performance
| 8.400 GPixel/s | Pixel fillrate | 6.376 GPixel/s |
| 25.20 GTexel/s | Texture fillrate | 25.50 GTexel/s |
| 806.4 GFLOPS | FP32 (float) performance | 612.1 GFLOPS |
| 50.40 GFLOPS (1:16) | FP64 (double) performance | 25.50 GFLOPS (1:24) |
Clock Speeds
| 1150 MHz 4.6 Gbps effective | Memory Clock | 891 MHz 1782 Mbps effective |
Render Config
| 384 | Shading Units | 384 |
| 24 | TMUs | 32 |
| 8 | ROPs | 16 |
| 16 KB (per CU) | L1 Cache | 16 KB (per SMX) |
| 256 KB | L2 Cache | 256 KB |
Board Design
| Single-slot | Slot Width | Single-slot |
| 75 W | Thermal design power (TDP) | 50 W |
| 250 W | Suggested PSU | 250 W |
| 1x DVI 1x HDMI 1x VGA | Display Connectors | 1x DVI 1x HDMI 1x DisplayPort |
| None | Power Connectors | None |
| C550 | Board Number | P2010 |
API support
| 12 (11_1) | DirectX | 12 (11_0) |
| 4.6 | OpenGL | 4.6 |
| 1.2 | OpenCL | 3.0 |
| 1.2 | Vulkan | 1.1 |
| 5.1 | Shader Model | 5.1 |