GPU model | RV610 | R420 |
---|---|---|
Architecture | TeraScale | R400 |
Foundry | TSMC | TSMC |
Manufacturing process | 65 nm | 130 nm |
Number of transistors | 180 million | 160 million |
Die size | 85 mm² | 281 mm² |
GPU variant | — | R420 XT |
Release date | 2007 | Mar 1st, 2004 |
---|---|---|
Generation | Radeon R600 | Radeon R400 AGP |
Production | End-of-life | End-of-life |
Interface | PCIe 1.0 x16 | AGP 8x |
Predecessor | Radeon R500 PCIe | Radeon R300 |
Successor | Radeon R700 | Radeon R500 AGP |
Reviews | — | 226 in our database |
GPU clock | 525 MHz | 500 MHz |
---|---|---|
Memory clock | 400 MHz 800 Mbps effective | 500 MHz 1000 Mbps effective |
Memory size | 256 MB | 256 MB |
---|---|---|
Memory type | DDR2 | GDDR3 |
Memory bus width | 64 bit | 256 bit |
Bandwidth | 6.400 GB/s | 32.00 GB/s |
Shading units | 40 | — |
---|---|---|
TMUs | 4 | 16 |
ROPs | 4 | 16 |
Compute units | 2 | — |
Cache L2 | 32 KB | — |
Pixel shaders | — | 16 |
Vertex shaders | — | 6 |
Pixel rate | 2.100 GPixel/s | 8.000 GPixel/s |
---|---|---|
Texture rate | 2.100 GTexel/s | 8.000 GTexel/s |
FP32 (float) performance | 42.00 GFLOPS | — |
Vertex rate | — | 750.0 MVertices/s |
Slot width | Single-slot | Single-slot |
---|---|---|
TDP | 20 W | 54 W |
Suggested PSU | 200 W | 250 W |
Outputs | 1x DVI1x S-Video | 1x DVI1x VGA1x S-Video |
Power connectors | None | 1x Molex |
Board number | B170 | — |
DirectX | 10.0 (10_0) | 9.0b (9_2) |
---|---|---|
OpenGL | 3.3 | 2.1 |
OpenCL | — | — |
Vulkan | — | — |
Shader model | 4.0 | — |
Pixel shader | — | 2.0b |
Vertex shader | — | 2.0b |