GPU model | Cedar | R580+ |
---|---|---|
GPU variant | Cedar LE | R580+ XT (215BAABKA31FG) |
Architecture | TeraScale 2 | R500 |
Foundry | TSMC | TSMC |
Manufacturing process | 40 nm | 90 nm |
Number of transistors | 292 million | 384 million |
Die size | 59 mm² | 352 mm² |
Release date | Dec 4th, 2011 | Sep 10th, 2006 |
---|---|---|
Generation | Northern Islands | Radeon R500 PCIe |
Predecessor | Evergreen | Radeon R400 PCIe |
Successor | Southern Islands | Radeon R600 |
Production | End-of-life | End-of-life |
Interface | PCIe 2.0 x16 | PCIe 1.0 x16 |
Reviews | — | 144 in our database |
GPU clock | 650 MHz | 650 MHz |
---|---|---|
Memory clock | 800 MHz 1600 Mbps effective | 1000 MHz 2 Gbps effective |
Memory size | 1024 MB | 512 MB |
---|---|---|
Memory type | GDDR3 | GDDR4 |
Memory bus width | 64 bit | 256 bit |
Bandwidth | 12.80 GB/s | 64.00 GB/s |
Shading units | 80 | — |
---|---|---|
TMUs | 8 | 16 |
ROPs | 4 | 16 |
Compute units | 2 | — |
Cache L1 | 8 KB (per CU) | — |
Cache L2 | 128 KB | — |
Pixel shaders | — | 48 |
Vertex shaders | — | 8 |
Pixel rate | 2.600 GPixel/s | 10.40 GPixel/s |
---|---|---|
Texture rate | 5.200 GTexel/s | 10.40 GTexel/s |
FP32 (float) performance | 104.0 GFLOPS | — |
Vertex rate | — | 1.300 GVertices/s |
Slot width | Single-slot | Dual-slot |
---|---|---|
Length | 168 mm 6.6 inches | — |
TDP | 19 W | unknown |
Suggested PSU | 200 W | 200 W |
Outputs | 1x DVI1x HDMI | 1x DVI1x VHDCI |
Power connectors | None | 1x 6-pin |
Board number | — | A988 |
DirectX | 11.2 (11_0) | 9.0c (9_3) |
---|---|---|
OpenGL | 4.4 | 2.1 (full) 3.0 (partial) |
OpenCL | 1.2 | — |
Vulkan | — | — |
Shader model | 5.0 | 3.0 |