GPU model | R420 | G84 |
---|---|---|
GPU variant | R420 GTO | — |
Architecture | R400 | Tesla |
Foundry | TSMC | TSMC |
Manufacturing process | 130 nm | 80 nm |
Number of transistors | 160 million | 289 million |
Die size | 281 mm² | 169 mm² |
Release date | Nov 8th, 2007 | Sep 12th, 2007 |
---|---|---|
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 | — | 129 USD |
GPU clock | 400 MHz | 360 MHz |
---|---|---|
Memory clock | 490 MHz 980 Mbps effective | 500 MHz 1000 Mbps effective |
Shader clock | — | 720 MHz |
Memory size | 256 MB | 256 MB |
---|---|---|
Memory type | GDDR3 | DDR2 |
Memory bus width | 256 bit | 64 bit |
Bandwidth | 31.36 GB/s | 8.000 GB/s |
Pixel shaders | 12 | — |
---|---|---|
Vertex shaders | 6 | — |
TMUs | 12 | 8 |
ROPs | 12 | 4 |
Shading units | — | 16 |
SM count | — | 2 |
Cache L2 | — | 16 KB |
Pixel rate | 4.800 GPixel/s | 1.440 GPixel/s |
---|---|---|
Vertex rate | 600.0 MVertices/s | — |
Texture rate | 4.800 GTexel/s | 2.880 GTexel/s |
FP32 (float) performance | — | 23.04 GFLOPS |
Slot width | Single-slot | Single-slot |
---|---|---|
TDP | 49 W | 35 W |
Suggested PSU | 200 W | 200 W |
Outputs | 1x DVI1x VGA1x S-Video | 2x DVI |
Power connectors | 1x Molex | None |
Length | — | 198 mm 7.8 inches |
Width | — | 111 mm 4.4 inches |
Board number | — | P588 |
DirectX | 9.0b (9_2) | 11.1 (10_0) |
---|---|---|
OpenGL | 2.1 | 3.3 |
OpenCL | — | 1.1 |
Vulkan | — | — |
Pixel shader | 2.0b | — |
Vertex shader | 2.0b | — |
CUDA | — | 1.1 |
Shader model | — | 4.0 |