GPU model | R520 | R423 |
---|---|---|
GPU variant | R520 GL | R423 XT (215RBJAGA12F) |
Architecture | R500 | R400 |
Foundry | TSMC | TSMC |
Manufacturing process | 90 nm | 130 nm |
Number of transistors | 321 million | 160 million |
Die size | 288 mm² | 289 mm² |
Release date | Oct 1st, 2005 | Dec 1st, 2004 |
---|---|---|
Generation | FireGL | Radeon R400 PCIe |
Production | End-of-life | End-of-life |
Launch price | 1,599 USD | — |
Interface | PCIe 1.0 x16 | PCIe 1.0 x16 |
Reviews | 5 in our database | 226 in our database |
Predecessor | — | Radeon R300 |
Successor | — | Radeon R500 PCIe |
GPU clock | 600 MHz | 500 MHz |
---|---|---|
Memory clock | 650 MHz 1300 Mbps effective | 500 MHz 1000 Mbps effective |
Memory size | 1024 MB | 256 MB |
---|---|---|
Memory type | GDDR3 | GDDR3 |
Memory bus width | 256 bit | 256 bit |
Bandwidth | 41.60 GB/s | 32.00 GB/s |
Pixel shaders | 16 | 16 |
---|---|---|
Vertex shaders | 8 | 6 |
TMUs | 16 | 16 |
ROPs | 16 | 16 |
Pixel rate | 9.600 GPixel/s | 8.000 GPixel/s |
---|---|---|
Vertex rate | 1.200 GVertices/s | 750.0 MVertices/s |
Texture rate | 9.600 GTexel/s | 8.000 GTexel/s |
Slot width | Dual-slot | Single-slot |
---|---|---|
Length | 229 mm 9 inches | — |
Width | 111 mm 4.4 inches | — |
TDP | 111 W | 54 W |
Suggested PSU | 300 W | 250 W |
Outputs | 2x DVI1x S-Video | 1x DVI1x VGA1x S-Video |
Power connectors | 1x 6-pin | 1x 6-pin |
Board number | A520-31 | A319 |
DirectX | 9.0c (9_3) | 9.0b (9_2) |
---|---|---|
OpenGL | 2.1 | 2.1 |
OpenCL | — | — |
Vulkan | — | — |
Shader model | 3.0 | — |
Pixel shader | — | 2.0b |
Vertex shader | — | 2.0b |