GPU model | R420 | G98 |
---|---|---|
GPU variant | R420 VE | — |
Architecture | R400 | Tesla |
Foundry | TSMC | TSMC |
Manufacturing process | 130 nm | 65 nm |
Number of transistors | 160 million | 210 million |
Die size | 281 mm² | 86 mm² |
Release date | Sep 1st, 2004 | Nov 11th, 2008 |
---|---|---|
Generation | Radeon R400 AGP | Quadro NVS |
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 | — |
GPU clock | 425 MHz | 480 MHz |
---|---|---|
Memory clock | 398 MHz 796 Mbps effective | 700 MHz 1400 Mbps effective |
Shader clock | — | 1200 MHz |
Memory size | 256 MB | 256 MB |
---|---|---|
Memory type | GDDR3 | GDDR3 |
Memory bus width | 256 bit | 64 bit |
Bandwidth | 25.47 GB/s | 11.20 GB/s |
Pixel shaders | 16 | — |
---|---|---|
Vertex shaders | 6 | — |
TMUs | 16 | 4 |
ROPs | 16 | 4 |
Shading units | — | 8 |
SM count | — | 1 |
Cache L2 | — | 16 KB |
Pixel rate | 6.800 GPixel/s | 1.920 GPixel/s |
---|---|---|
Vertex rate | 637.5 MVertices/s | — |
Texture rate | 6.800 GTexel/s | 1.920 GTexel/s |
FP32 (float) performance | — | 19.20 GFLOPS |
Slot width | Single-slot | Single-slot |
---|---|---|
TDP | unknown | 35 W |
Suggested PSU | 200 W | 200 W |
Outputs | 1x DVI1x VGA1x S-Video | 4x DisplayPort |
Power connectors | 1x Molex | None |
Board number | — | P624 |
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 |