GPU model | R420 | R481 |
---|---|---|
GPU variant | R420 XT | R481 XT (215RAFCGA11F) |
Architecture | R400 | R400 |
Foundry | TSMC | TSMC |
Manufacturing process | 130 nm | 130 nm |
Number of transistors | 160 million | 160 million |
Die size | 281 mm² | 297 mm² |
Release date | Mar 1st, 2004 | Feb 28th, 2005 |
---|---|---|
Generation | Radeon R400 AGP | Radeon R400 AGP |
Production | End-of-life | End-of-life |
Interface | AGP 8x | AGP 8x |
Reviews | 226 in our database | 58 in our database |
Predecessor | Radeon R300 | Radeon R300 |
Successor | Radeon R500 AGP | Radeon R500 AGP |
GPU clock | 500 MHz | 520 MHz |
---|---|---|
Memory clock | 500 MHz 1000 Mbps effective | 540 MHz 1080 Mbps effective |
Memory size | 256 MB | 256 MB |
---|---|---|
Memory type | GDDR3 | GDDR3 |
Memory bus width | 256 bit | 256 bit |
Bandwidth | 32.00 GB/s | 34.56 GB/s |
Pixel shaders | 16 | 16 |
---|---|---|
Vertex shaders | 6 | 6 |
TMUs | 16 | 16 |
ROPs | 16 | 16 |
Pixel rate | 8.000 GPixel/s | 8.320 GPixel/s |
---|---|---|
Vertex rate | 750.0 MVertices/s | 780.0 MVertices/s |
Texture rate | 8.000 GTexel/s | 8.320 GTexel/s |
Slot width | Single-slot | Dual-slot |
---|---|---|
TDP | 54 W | 69 W |
Suggested PSU | 250 W | 250 W |
Outputs | 1x DVI1x VGA1x S-Video | 1x DVI1x VGA1x S-Video |
Power connectors | 1x Molex | 1x Molex |
DirectX | 9.0b (9_2) | 9.0b (9_2) |
---|---|---|
OpenGL | 2.1 | 2.1 |
OpenCL | — | — |
Vulkan | — | — |
Pixel shader | 2.0b | 2.0b |
Vertex shader | 2.0b | 2.0b |