GPU model | RV635 | RS880 |
---|---|---|
GPU variant | RV635 PRO (215-0682008) | — |
Architecture | TeraScale | TeraScale |
Foundry | TSMC | — |
Manufacturing process | 55 nm | 55 nm |
Number of transistors | 378 million | 181 million |
Die size | 135 mm² | 67 mm² |
Release date | Jan 20th, 2008 | — |
---|---|---|
Generation | Radeon R600 | — |
Production | End-of-life | — |
Interface | PCIe 2.0 x16 | — |
Reviews | 28 in our database | — |
Predecessor | Radeon R500 PCIe | — |
Successor | Radeon R700 | — |
GPU clock | 725 MHz | 500 MHz |
---|---|---|
Memory clock | 800 MHz 1600 Mbps effective | System Shared |
Memory size | 256 MB | System Shared |
---|---|---|
Memory type | GDDR3 | System Shared |
Memory bus width | 128 bit | System Shared |
Bandwidth | 25.60 GB/s | System Dependent |
Shading units | 120 | 40 |
---|---|---|
TMUs | 8 | 4 |
ROPs | 4 | 4 |
Compute units | 3 | 2 |
Cache L2 | 128 KB | — |
Pixel rate | 2.900 GPixel/s | 2.000 GPixel/s |
---|---|---|
Texture rate | 5.800 GTexel/s | 2.000 GTexel/s |
FP32 (float) performance | 174.0 GFLOPS | 40.00 GFLOPS |
Slot width | Single-slot | IGP |
---|---|---|
TDP | 65 W | unknown |
Suggested PSU | 250 W | — |
Outputs | 2x DVI1x S-Video | No outputs |
Power connectors | None | — |
Board number | B381 | — |
DirectX | 10.1 (10_1) | 10.1 (10_1) |
---|---|---|
OpenGL | 3.3 | 3.3 |
OpenCL | — | 1.0 |
Vulkan | — | — |
Shader model | 4.1 | 4.1 |
Release date | — | Mar 1st, 2010 |
---|---|---|
Generation | — | Radeon IGP (HD 4000) |
Production | — | End-of-life |
Interface | — | PCIe 1.0 x16 |
Successor | — | Sumo |