NVIDIA GeForce 8800 GTS 640 vs AMD Radeon 620 Mobile
What is the difference between NVIDIA GeForce 8800 GTS 640 and AMD Radeon 620 Mobile. Find out which graphics card has better performance.
Graphics Processor (GPU)
| G80 | GPU Name | Polaris 24 |
| G80-100-K0-A2 | Model number | Polaris 24 XL |
| Tesla | Architecture | GCN 3.0 |
| TSMC | Foundry | TSMC |
| 90 nm | Process Size | 28 nm |
| 681 million | Transistors | 1,550 million |
| 484 mm² | Die Size | 125 mm² |
Graphics Card
| Nov 8th, 2006 | Release Date | May 13th, 2019 |
| GeForce 8 (8800) | Family | Mobility Radeon (M600) |
| End-of-life | Production | Active |
| GeForce 7 PCIe | Predecessor | Crystal System |
| PCIe 1.0 x16 | Bus Interface | PCIe 3.0 x8 |
Memory
| 640 MB | Memory Size | 2 GB |
| GDDR3 | Memory Type | DDR3 |
| 320 bit | Memory Bus | 64 bit |
| 63.36 GB/s | Bandwidth | 14.40 GB/s |
Performance
| 10.26 GPixel/s | Pixel fillrate | 8.192 GPixel/s |
| 24.62 GTexel/s | Texture fillrate | 24.58 GTexel/s |
| 228.1 GFLOPS | FP32 (float) performance | 786.4 GFLOPS |
Clock Speeds
| 792 MHz 1584 Mbps effective | Memory Clock | 900 MHz 1800 Mbps effective |
Render Config
| 96 | Shading Units | 384 |
| 24 | TMUs | 24 |
| 20 | ROPs | 8 |
| 80 KB | L2 Cache | 128 KB |
Board Design
| Dual-slot | Slot Width | IGP |
| 143 W | Thermal design power (TDP) | 50 W |
| 2x DVI 1x S-Video | Display Connectors | No outputs |
| 1x 6-pin | Power Connectors | None |
API support
| 11.1 (10_0) | DirectX | 12 (12_0) |
| 3.3 | OpenGL | 4.6 |
| 1.1 (1.0) | OpenCL | 2.0 |
| N/A | Vulkan | 1.2 |
| 4.0 | Shader Model | 6.3 |