ATI R420: specs and benchmarks
Summary
This is a desktop graphics card based on a R400 architecture and made with 130 nm manufacturing process. It is primarily aimed at gamer market.
Primary details
Some basic facts about R420: architecture, market segment, release date etc.
Place in performance ranking | not rated | |
Place by popularity | not in top-100 | |
Architecture | R400 (2004−2008) | |
GPU code name | R420 | |
Market segment | Desktop | |
Release date | no data | |
Current price | $18.19 | of 168889 (A100 PCIe 80 GB) |
Detailed specifications
R420's specs such as number of shaders, GPU base clock, manufacturing process, texturing and calculation speed. These parameters indirectly speak of R420's performance, but for precise assessment you have to consider its benchmark and gaming test results.
Number of transistors | 160 million | of 14400 (GeForce GTX 1070 SLI Mobile) |
Manufacturing process technology | 130 nm | of 4 (Radeon 780M) |
API compatibility
APIs supported by R420, sometimes including their particular versions.
DirectX | 9.0b (9_2) | |
OpenGL | 2.1 | of 4.6 (GeForce RTX 4090) |
OpenCL | N/A | |
Vulkan | N/A |
Recommended processors
These processors are most commonly used with R420 according to our statistics.