GPU model | Cedar | R480 |
---|---|---|
GPU variant | Cedar PRO | R480 |
Architecture | TeraScale 2 | R400 |
Foundry | TSMC | TSMC |
Manufacturing process | 40 nm | 130 nm |
Number of transistors | 292 million | 160 million |
Die size | 59 mm² | 297 mm² |
Release date | Jan 31st, 2011 | Sep 15th, 2005 |
---|---|---|
Generation | Northern Islands | Radeon R400 PCIe |
Predecessor | Evergreen | Radeon R300 |
Successor | Southern Islands | Radeon R500 PCIe |
Production | End-of-life | End-of-life |
Interface | PCIe 2.0 x16 | PCIe 1.0 x16 |
Reviews | — | 226 in our database |
GPU clock | 650 MHz | 400 MHz |
---|---|---|
Memory clock | 500 MHz 1000 Mbps effective | 490 MHz 980 Mbps effective |
Memory size | 512 MB | 256 MB |
---|---|---|
Memory type | GDDR3 | GDDR3 |
Memory bus width | 64 bit | 256 bit |
Bandwidth | 8.000 GB/s | 31.36 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 | — | 16 |
Vertex shaders | — | 6 |
Pixel rate | 2.600 GPixel/s | 6.400 GPixel/s |
---|---|---|
Texture rate | 5.200 GTexel/s | 6.400 GTexel/s |
FP32 (float) performance | 104.0 GFLOPS | — |
Vertex rate | — | 600.0 MVertices/s |
Slot width | Single-slot | Single-slot |
---|---|---|
Length | 168 mm 6.6 inches | — |
TDP | 19 W | unknown |
Suggested PSU | 200 W | 200 W |
Outputs | 1x DVI1x HDMI | 2x DVI1x S-Video |
Power connectors | None | — |
Board number | C026, C027 | — |
DirectX | 11.2 (11_0) | 9.0b (9_2) |
---|---|---|
OpenGL | 4.4 | 2.1 |
OpenCL | 1.2 | — |
Vulkan | — | — |
Shader model | 5.0 | — |
Pixel shader | — | 2.0b |
Vertex shader | — | 2.0b |