GPU model | RV620 | R423 |
---|---|---|
Architecture | TeraScale | R400 |
Foundry | TSMC | TSMC |
Manufacturing process | 55 nm | 130 nm |
Number of transistors | 181 million | 160 million |
Die size | 67 mm² | 289 mm² |
GPU variant | RV620 PRO (215-0670006) | R423 GTO |
Release date | 2009 | Dec 29th, 2007 |
---|---|---|
Generation | FirePro Multi-View | Radeon R400 PCIe |
Production | End-of-life | End-of-life |
Interface | PCIe 2.0 x16 | PCIe 1.0 x16 |
Reviews | 10 in our database | 226 in our database |
Predecessor | — | Radeon R300 |
Successor | — | Radeon R500 PCIe |
GPU clock | 400 MHz | 400 MHz |
---|---|---|
Memory clock | 400 MHz 800 Mbps effective | 350 MHz 700 Mbps effective |
Memory size | 256 MB | 128 MB |
---|---|---|
Memory type | DDR3 | DDR |
Memory bus width | 64 bit | 256 bit |
Bandwidth | 6.400 GB/s | 22.40 GB/s |
Shading units | 40 | — |
---|---|---|
TMUs | 4 | 12 |
ROPs | 4 | 12 |
Compute units | 2 | — |
Pixel shaders | — | 12 |
Vertex shaders | — | 6 |
Pixel rate | 1.600 GPixel/s | 4.800 GPixel/s |
---|---|---|
Texture rate | 1.600 GTexel/s | 4.800 GTexel/s |
FP32 (float) performance | 32.00 GFLOPS | — |
Vertex rate | — | 600.0 MVertices/s |
Slot width | Single-slot | Single-slot |
---|---|---|
Length | 170 mm 6.7 inches | — |
Width | 69 mm 2.7 inches | — |
TDP | 32 W | 49 W |
Suggested PSU | 200 W | 200 W |
Outputs | 1x VHDCI | 1x DVI1x VGA1x S-Video |
Power connectors | None | — |
Board number | B436-31 | — |
DirectX | 10.1 (10_1) | 9.0b (9_2) |
---|---|---|
OpenGL | 3.3 | 2.1 |
OpenCL | — | — |
Vulkan | — | — |
Shader model | 4.1 | — |
Pixel shader | — | 2.0b |
Vertex shader | — | 2.0b |