NVIDIA GeForce GT 420M vs ATI Radeon X1800 XL
What is the difference between NVIDIA GeForce GT 420M and ATI Radeon X1800 XL. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GF108 | GPU Name | R520 |
| N11P-GE-A1 | Model number | R520 XL |
| Fermi | Architecture | R500 |
| TSMC | Foundry | TSMC |
| 40 nm | Process Size | 90 nm |
| 585 million | Transistors | 321 million |
| 116 mm² | Die Size | 288 mm² |
Graphics Card
| Sep 3rd, 2010 | Release Date | Oct 1st, 2005 |
| GeForce 400M | Family | Radeon R500 PCIe (X1800) |
| End-of-life | Production | End-of-life |
| GeForce 300M | Predecessor | Radeon R400 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 | 8.000 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 | 500 MHz |
Render Config
| 16 | TMUs | 16 |
| 4 | ROPs | 16 |
Board Design
| 23 W | Thermal design power (TDP) | 70 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 |