GPU model | RV635 | R520 |
---|---|---|
GPU variant | RV635 PRO (215-0682008) | — |
Architecture | TeraScale | R500 |
Foundry | TSMC | TSMC |
Manufacturing process | 55 nm | 90 nm |
Number of transistors | 378 million | 321 million |
Die size | 135 mm² | 288 mm² |
Release date | Jan 23rd, 2008 | Mar 1st, 2006 |
---|---|---|
Generation | Radeon R600 | Radeon R500 PCIe |
Production | End-of-life | End-of-life |
Interface | AGP 8x | PCIe 1.0 x16 |
Reviews | 28 in our database | 76 in our database |
Predecessor | Radeon R500 PCIe | Radeon R400 PCIe |
Successor | Radeon R700 | Radeon R600 |
GPU clock | 725 MHz | 500 MHz |
---|---|---|
Memory clock | 500 MHz 1000 Mbps effective | 500 MHz 1000 Mbps effective |
Memory size | 512 MB | 256 MB |
---|---|---|
Memory type | DDR2 | GDDR3 |
Memory bus width | 128 bit | 256 bit |
Bandwidth | 16.00 GB/s | 32.00 GB/s |
Shading units | 120 | — |
---|---|---|
TMUs | 8 | 12 |
ROPs | 4 | 12 |
Compute units | 3 | — |
Cache L2 | 128 KB | — |
Pixel shaders | — | 12 |
Vertex shaders | — | 8 |
Pixel rate | 2.900 GPixel/s | 6.000 GPixel/s |
---|---|---|
Texture rate | 5.800 GTexel/s | 6.000 GTexel/s |
FP32 (float) performance | 174.0 GFLOPS | — |
Vertex rate | — | 1.000 GVertices/s |
Slot width | Single-slot | Single-slot |
---|---|---|
TDP | 65 W | unknown |
Suggested PSU | 250 W | 200 W |
Outputs | 2x DVI1x S-Video | 2x DVI1x S-Video |
Power connectors | None | — |
Board number | B381 | — |
DirectX | 10.1 (10_1) | 9.0c (9_3) |
---|---|---|
OpenGL | 3.3 | 2.1 |
OpenCL | — | — |
Vulkan | — | — |
Shader model | 4.1 | 3.0 |