NVIDIA GeForce GT 420M vs NVIDIA GeForce 7800 GT
What is the difference between NVIDIA GeForce GT 420M and NVIDIA GeForce 7800 GT. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GF108 | GPU Name | G70 |
| N11P-GE-A1 | Model number | GF-7800-GT-A2 |
| Fermi | Architecture | Curie |
| TSMC | Foundry | TSMC |
| 40 nm | Process Size | 110 nm |
| 585 million | Transistors | 302 million |
| 116 mm² | Die Size | 333 mm² |
Graphics Card
| Sep 3rd, 2010 | Release Date | Aug 11th, 2005 |
| GeForce 400M | Family | GeForce 7 PCIe (7800) |
| End-of-life | Production | End-of-life |
| GeForce 300M | Predecessor | GeForce 6 PCIe |
| PCIe 2.0 x16 | Bus Interface | PCIe 1.0 x16 |
Memory
| 512 MB | Memory Size | 256 MB |
| DDR3 | Memory Type | GDDR3 |
| 128 bit | Memory Bus | 256 bit |
| 25.60 GB/s | Bandwidth | 32.00 GB/s |
Performance
| 2.000 GPixel/s | Pixel fillrate | 6.400 GPixel/s |
| 8.000 GTexel/s | Texture fillrate | 8.000 GTexel/s |
Clock Speeds
| 800 MHz 1600 Mbps effective | Memory Clock | 500 MHz 1000 Mbps effective |
| 500 MHz | GPU Clock | 400 MHz |
Render Config
| 16 | TMUs | 20 |
| 4 | ROPs | 16 |
Board Design
| 23 W | Thermal design power (TDP) | 65 W |
| No outputs | Display Connectors | 2x DVI 1x S-Video |
API support
| 12 (11_0) | DirectX | 9.0c (9_3) |
| 4.6 | OpenGL | 2.1 |
| 1.1 | OpenCL | N/A |
| N/A | Vulkan | N/A |
| 5.1 | Shader Model | 3.0 |