GPU model | R420 | G73 |
---|---|---|
GPU variant | R420 SE | — |
Architecture | R400 | Curie |
Foundry | TSMC | TSMC |
Manufacturing process | 130 nm | 90 nm |
Number of transistors | 160 million | 177 million |
Die size | 281 mm² | 125 mm² |
Release date | Sep 1st, 2004 | Apr 20th, 2006 |
---|---|---|
Generation | Radeon R400 AGP | Quadro FX |
Production | End-of-life | End-of-life |
Interface | AGP 8x | PCIe 1.0 x16 |
Reviews | 226 in our database | 26 in our database |
Predecessor | Radeon R300 | — |
Successor | Radeon R500 AGP | — |
Launch price | — | 299 USD |
GPU clock | 450 MHz | 350 MHz |
---|---|---|
Memory clock | 400 MHz 800 Mbps effective | 600 MHz 1200 Mbps effective |
Memory size | 256 MB | 128 MB |
---|---|---|
Memory type | DDR | GDDR3 |
Memory bus width | 256 bit | 128 bit |
Bandwidth | 25.60 GB/s | 19.20 GB/s |
Pixel shaders | 8 | 12 |
---|---|---|
Vertex shaders | 6 | 5 |
TMUs | 8 | 12 |
ROPs | 8 | 8 |
Pixel rate | 3.600 GPixel/s | 2.800 GPixel/s |
---|---|---|
Vertex rate | 675.0 MVertices/s | 437.5 MVertices/s |
Texture rate | 3.600 GTexel/s | 4.200 GTexel/s |
Slot width | Single-slot | Single-slot |
---|---|---|
TDP | unknown | 30 W |
Suggested PSU | 200 W | 200 W |
Outputs | 1x DVI1x VGA1x S-Video | 2x DVI1x S-Video |
Power connectors | 1x Molex | None |
Length | — | 198 mm 7.8 inches |
Width | — | 111 mm 4.4 inches |
Board number | — | P456 |
DirectX | 9.0b (9_2) | 9.0c (9_3) |
---|---|---|
OpenGL | 2.1 | 2.1 |
OpenCL | — | — |
Vulkan | — | — |
Pixel shader | 2.0b | — |
Vertex shader | 2.0b | — |
Shader model | — | 3.0 |