AMD Radeon HD 6620G IGP vs NVIDIA GeForce 7900 GS
What is the difference between AMD Radeon HD 6620G IGP and NVIDIA GeForce 7900 GS. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Sumo | GPU Name | G71 |
| TeraScale 2 | Architecture | Curie |
| TSMC | Foundry | TSMC |
| 32 nm | Process Size | 90 nm |
| 1,178 million | Transistors | 278 million |
| 227 mm² | Die Size | 196 mm² |
Graphics Card
| Dec 7th, 2011 | Release Date | May 1st, 2006 |
| Sumo (HD 6000 Mobile) | Family | GeForce 7 PCIe (7900) |
| End-of-life | Production | End-of-life |
| Radeon IGP | Predecessor | GeForce 6 PCIe |
| IGP | Bus Interface | PCIe 1.0 x16 |
Memory
| System Shared | Memory Size | 256 MB |
| System Shared | Memory Type | GDDR3 |
| System Shared | Memory Bus | 256 bit |
| System Dependent | Bandwidth | 42.24 GB/s |
Performance
| 3.552 GPixel/s | Pixel fillrate | 7.200 GPixel/s |
| 8.880 GTexel/s | Texture fillrate | 9.000 GTexel/s |
Clock Speeds
| System Shared | Memory Clock | 660 MHz 1320 Mbps effective |
| 444 MHz | GPU Clock | 450 MHz |
Render Config
| 20 | TMUs | 20 |
| 8 | ROPs | 16 |
Board Design
| IGP | Slot Width | Single-slot |
| 35 W | Thermal design power (TDP) | 49 W |
| No outputs | Display Connectors | 2x DVI 1x S-Video |
API support
| 11.2 (11_0) | DirectX | 9.0c (9_3) |
| 4.4 | OpenGL | 2.1 |
| 1.2 | OpenCL | N/A |
| N/A | Vulkan | N/A |
| 5.0 | Shader Model | 3.0 |