AMD Radeon HD 7690M vs NVIDIA GeForce GT 640 OEM Rebrand
What is the difference between AMD Radeon HD 7690M and NVIDIA GeForce GT 640 OEM Rebrand. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Thames | GPU Name | GF116 |
| Thames XT (216-0833000) | 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
| Dec 25th, 2011 | Release Date | Apr 24th, 2012 |
| London (HD 7600M) | Family | GeForce 600 |
| End-of-life | Production | End-of-life |
| Vancouver | Predecessor | GeForce 500 |
| MXM-A (3.0) | Bus Interface | PCIe 2.0 x16 |
Memory
| 1024 MB | Memory Size | 1536 MB |
| DDR3 | Memory Type | DDR3 |
| 128 bit | Memory Bus | 192 bit |
| 28.80 GB/s | Bandwidth | 38.40 GB/s |
Performance
| 11.60 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
| 900 MHz 1800 Mbps effective | Memory Clock | 800 MHz 1600 Mbps effective |
| 725 MHz | GPU Clock | 720 MHz |
Render Config
| 480 | Shading Units | 144 |
| 24 | TMUs | 24 |
| 16 | ROPs | 24 |
| 8 KB (per CU) | L1 Cache | 64 KB (per SM) |
| 256 KB | L2 Cache | 384 KB |
Board Design
| MXM Module | Slot Width | Single-slot |
| 20 W | Thermal design power (TDP) | 75 W |
| No outputs | Display Connectors | 2x DVI 1x mini-HDMI |
| None | Power Connectors | None |
| C017 | Board Number | P1062 |
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 |