GPU model | R420 | C78 |
---|---|---|
GPU variant | R420 GT (215RAACGA12F) | — |
Architecture | R400 | Tesla |
Foundry | TSMC | — |
Manufacturing process | 130 nm | 80 nm |
Number of transistors | 160 million | 210 million |
Die size | 281 mm² | 127 mm² |
Release date | Nov 8th, 2007 | — |
---|---|---|
Generation | Radeon R400 AGP | — |
Production | End-of-life | — |
Interface | AGP 8x | — |
Reviews | 226 in our database | — |
Predecessor | Radeon R300 | — |
Successor | Radeon R500 AGP | — |
GPU clock | 473 MHz | 500 MHz |
---|---|---|
Memory clock | 493 MHz 986 Mbps effective | System Shared |
Shader clock | — | 1200 MHz |
Memory size | 256 MB | System Shared |
---|---|---|
Memory type | GDDR3 | System Shared |
Memory bus width | 256 bit | System Shared |
Bandwidth | 31.55 GB/s | System Dependent |
Pixel shaders | 8 | — |
---|---|---|
Vertex shaders | 6 | — |
TMUs | 8 | 8 |
ROPs | 8 | 4 |
Shading units | — | 16 |
SM count | — | 2 |
Pixel rate | 3.784 GPixel/s | 2.000 GPixel/s |
---|---|---|
Vertex rate | 709.5 MVertices/s | — |
Texture rate | 3.784 GTexel/s | 4.000 GTexel/s |
FP32 (float) performance | — | 38.40 GFLOPS |
Slot width | Single-slot | IGP |
---|---|---|
TDP | 40 W | 40 W |
Suggested PSU | 200 W | — |
Outputs | 1x DVI1x VGA1x S-Video | 1x DVI1x VGA1x S-Video |
Power connectors | 1x Molex | — |
DirectX | 9.0b (9_2) | 11.1 (10_0) |
---|---|---|
OpenGL | 2.1 | 3.3 |
OpenCL | — | — |
Vulkan | — | — |
Pixel shader | 2.0b | — |
Vertex shader | 2.0b | — |
Shader model | — | 4.0 |
Release date | — | Apr 17th, 2007 |
---|---|---|
Generation | — | GeForce 9 IGP |
Production | — | End-of-life |
Interface | — | PCI |
Predecessor | — | GeForce 8 IGP |