GPU model | RV770 | RV530 |
---|---|---|
GPU variant | RV770 LE (215-0669075) | — |
Architecture | TeraScale | R500 |
Foundry | TSMC | TSMC |
Manufacturing process | 55 nm | 90 nm |
Number of transistors | 956 million | 157 million |
Die size | 256 mm² | 150 mm² |
Release date | Oct 21st, 2008 | Never Released |
---|---|---|
Generation | Radeon R700 | Radeon R500 PCIe |
Production | End-of-life | End-of-life |
Launch price | 130 USD | — |
Interface | PCIe 2.0 x16 | PCIe 1.0 x16 |
Reviews | 43 in our database | 64 in our database |
Predecessor | Radeon R600 | Radeon R400 PCIe |
Successor | Evergreen | Radeon R600 |
GPU clock | 575 MHz | 590 MHz |
---|---|---|
Memory clock | 900 MHz 1800 Mbps effective | 690 MHz 1380 Mbps effective |
Memory size | 512 MB | 256 MB |
---|---|---|
Memory type | GDDR3 | GDDR3 |
Memory bus width | 256 bit | 128 bit |
Bandwidth | 57.60 GB/s | 22.08 GB/s |
Shading units | 640 | — |
---|---|---|
TMUs | 32 | 4 |
ROPs | 16 | 4 |
Compute units | 8 | — |
Cache L1 | 16 KB (per CU) | — |
Cache L2 | 256 KB | — |
Pixel shaders | — | 12 |
Vertex shaders | — | 5 |
Pixel rate | 9.200 GPixel/s | 2.360 GPixel/s |
---|---|---|
Texture rate | 18.40 GTexel/s | 2.360 GTexel/s |
FP32 (float) performance | 736.0 GFLOPS | — |
FP64 (double) performance | 147.2 GFLOPS (1:5) | — |
Vertex rate | — | 737.5 MVertices/s |
Slot width | Single-slot | Single-slot |
---|---|---|
Length | 246 mm 9.7 inches | — |
Width | 111 mm 4.4 inches | — |
Height | 20 mm 0.8 inches | — |
TDP | 95 W | unknown |
Suggested PSU | 250 W | 200 W |
Outputs | 2x DVI1x S-Video | 2x DVI |
Power connectors | 1x 6-pin | 1x Molex |
Board number | B501-31 | — |
DirectX | 10.1 (10_1) | 9.0c (9_3) |
---|---|---|
OpenGL | 3.3 | 2.1 |
OpenCL | 1.1 | — |
Vulkan | — | — |
Shader model | 4.1 | 3.0 |