AMD Radeon HD 7690M XT Rebrand vs NVIDIA GeForce GT 640 OEM Rebrand
What is the difference between AMD Radeon HD 7690M XT Rebrand and NVIDIA GeForce GT 640 OEM Rebrand. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Whistler | GPU Name | GF116 |
| Whistler XTX | Model number | GF116-150-A1 |
| TeraScale 2 | Architecture | Fermi 2.0 |
| TSMC | Foundry | TSMC |
| 40 nm | Process Size | 40 nm |
| 716 million | Transistors | 1,170 million |
| 104 mm² | Die Size | 238 mm² |
Graphics Card
| Jan 4th, 2012 | Release Date | Apr 24th, 2012 |
| London (HD 7600M) | Family | GeForce 600 |
| End-of-life | Production | End-of-life |
| Vancouver | Predecessor | GeForce 500 |
| PCIe 2.0 x16 | Bus Interface | PCIe 2.0 x16 |
Memory
| 1024 MB | Memory Size | 1536 MB |
| GDDR5 | Memory Type | DDR3 |
| 128 bit | Memory Bus | 192 bit |
| 51.20 GB/s | Bandwidth | 38.40 GB/s |
Performance
| 5.800 GPixel/s | Pixel fillrate | 4.320 GPixel/s |
| 17.40 GTexel/s | Texture fillrate | 17.28 GTexel/s |
| 696.0 GFLOPS | FP32 (float) performance | 414.7 GFLOPS |
Clock Speeds
| 800 MHz 3.2 Gbps effective | Memory Clock | 800 MHz 1600 Mbps effective |
| 725 MHz | GPU Clock | 720 MHz |
Render Config
| 480 | Shading Units | 144 |
| 24 | TMUs | 24 |
| 8 | ROPs | 24 |
| 8 KB (per CU) | L1 Cache | 64 KB (per SM) |
| 256 KB | L2 Cache | 384 KB |
Board Design
| 25 W | Thermal design power (TDP) | 75 W |
| No outputs | Display Connectors | 2x DVI 1x mini-HDMI |
API support
| 11.2 (11_0) | DirectX | 12 (11_0) |
| 4.4 | OpenGL | 4.6 |
| 1.2 | OpenCL | 1.1 |
| N/A | Vulkan | N/A |
| 5.0 | Shader Model | 5.1 |