AMD Radeon HD 8740 OEM vs NVIDIA GeForce GT 640 OEM
What is the difference between AMD Radeon HD 8740 OEM and NVIDIA GeForce GT 640 OEM. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Cape Verde | GPU Name | GK107 |
| Cape Verde PRO | Model number | GK107-320-A2 |
| GCN 1.0 | Architecture | Kepler |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| 1,500 million | Transistors | 1,270 million |
| 123 mm² | Die Size | 118 mm² |
Graphics Card
| Sep 5th, 2013 | Release Date | Apr 24th, 2012 |
| Sea Islands (HD 8700) | Family | GeForce 600 |
| End-of-life | Production | End-of-life |
| Southern Islands | Predecessor | GeForce 500 |
| PCIe 3.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
| 1024 MB | Memory Size | 2 GB |
| GDDR5 | Memory Type | DDR3 |
| 128 bit | Memory Bus | 128 bit |
| 72.00 GB/s | Bandwidth | 28.51 GB/s |
Performance
| 12.80 GPixel/s | Pixel fillrate | 6.376 GPixel/s |
| 25.60 GTexel/s | Texture fillrate | 25.50 GTexel/s |
| 819.2 GFLOPS | FP32 (float) performance | 612.1 GFLOPS |
| 51.20 GFLOPS (1:16) | FP64 (double) performance | 25.50 GFLOPS (1:24) |
Clock Speeds
| 1125 MHz 4.5 Gbps effective | Memory Clock | 891 MHz 1782 Mbps effective |
| 800 MHz | GPU Clock | 797 MHz |
Render Config
| 512 | Shading Units | 384 |
| 32 | TMUs | 32 |
| 16 | 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 |
| 168 mm 6.6 inches | Length | 145 mm 5.7 inches |
| 55 W | Thermal design power (TDP) | 50 W |
| 250 W | Suggested PSU | 250 W |
| 1x DVI 1x HDMI 1x DisplayPort | Display Connectors | 1x DVI 1x HDMI 1x DisplayPort |
| None | Power Connectors | None |
| C445 | 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 |