ATI Mobility Radeon HD 4650 vs NVIDIA GeForce GT 640M LE
What is the difference between ATI Mobility Radeon HD 4650 and NVIDIA GeForce GT 640M LE. Find out which graphics card has better performance.
Graphics Processor (GPU)
| M96 | GPU Name | GK107 |
| TeraScale | Architecture | Kepler |
| TSMC | Foundry | TSMC |
| 55 nm | Process Size | 28 nm |
| 514 million | Transistors | 1,270 million |
| 146 mm² | Die Size | 118 mm² |
Graphics Card
| Jan 9th, 2009 | Release Date | Mar 22nd, 2012 |
| M9x (Mobility HD 4600) | Family | GeForce 600M |
| End-of-life | Production | End-of-life |
| M8x | Predecessor | GeForce 500M |
| PCIe 2.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
| 512 MB | Memory Size | 1024 MB |
| DDR2 | Memory Type | DDR3 |
| 128 bit | Memory Bus | 128 bit |
| 19.20 GB/s | Bandwidth | 28.80 GB/s |
Performance
| 4.000 GPixel/s | Pixel fillrate | 4.000 GPixel/s |
| 16.00 GTexel/s | Texture fillrate | 16.00 GTexel/s |
| 320.0 GFLOPS | FP32 (float) performance | 384.0 GFLOPS |
Clock Speeds
| 600 MHz 1200 Mbps effective | Memory Clock | 900 MHz 1800 Mbps effective |
| 500 MHz | GPU Clock | 500 MHz |
Render Config
| 320 | Shading Units | 384 |
| 32 | TMUs | 32 |
| 8 | ROPs | 16 |
| 16 KB (per CU) | L1 Cache | 16 KB (per SMX) |
| 128 KB | L2 Cache | 256 KB |
Board Design
| 35 W | Thermal design power (TDP) | 20 W |
| No outputs | Display Connectors | No outputs |
API support
| 10.1 (10_1) | DirectX | 12 (11_0) |
| 3.3 | OpenGL | 4.6 |
| 1.1 | OpenCL | 3.0 |
| N/A | Vulkan | 1.1 |
| 4.1 | Shader Model | 5.1 |