AMD Radeon HD 6750 vs NVIDIA GeForce GT 640 OEM
What is the difference between AMD Radeon HD 6750 and NVIDIA GeForce GT 640 OEM. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Juniper | GPU Name | GK107 |
| Juniper LE (215-0754009) | Model number | GK107-320-A2 |
| TeraScale 2 | Architecture | Kepler |
| TSMC | Foundry | TSMC |
| 40 nm | Process Size | 28 nm |
| 1,040 million | Transistors | 1,270 million |
| 166 mm² | Die Size | 118 mm² |
Graphics Card
| Jan 21st, 2011 | Release Date | Apr 24th, 2012 |
| Northern Islands (HD 6700) | Family | GeForce 600 |
| End-of-life | Production | End-of-life |
| Evergreen | Predecessor | GeForce 500 |
| PCIe 2.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
| 1024 MB | Memory Size | 2 GB |
| GDDR5 | Memory Type | DDR3 |
| 128 bit | Memory Bus | 128 bit |
| 73.60 GB/s | Bandwidth | 28.51 GB/s |
Performance
| 11.20 GPixel/s | Pixel fillrate | 6.376 GPixel/s |
| 25.20 GTexel/s | Texture fillrate | 25.50 GTexel/s |
| 1,008 GFLOPS | FP32 (float) performance | 612.1 GFLOPS |
Clock Speeds
| 1150 MHz 4.6 Gbps effective | Memory Clock | 891 MHz 1782 Mbps effective |
| 700 MHz | GPU Clock | 797 MHz |
Render Config
| 720 | Shading Units | 384 |
| 36 | TMUs | 32 |
| 16 | ROPs | 16 |
| 8 KB (per CU) | L1 Cache | 16 KB (per SMX) |
| 256 KB | L2 Cache | 256 KB |
Board Design
| Dual-slot | Slot Width | Single-slot |
| 170 mm 6.7 inches | Length | 145 mm 5.7 inches |
| 86 W | Thermal design power (TDP) | 50 W |
| 250 W | Suggested PSU | 250 W |
| 2x DVI 1x HDMI 2x mini-DisplayPort | Display Connectors | 1x DVI 1x HDMI 1x DisplayPort |
| 1x 6-pin | Power Connectors | None |
| C012 | Board Number | P2010 |
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 |