GPU model | RS780 | R480 |
---|---|---|
GPU variant | RS780L | R480 |
Architecture | TeraScale | R400 |
Manufacturing process | 65 nm | 130 nm |
Number of transistors | 180 million | 160 million |
Die size | 85 mm² | 297 mm² |
Foundry | — | TSMC |
Release date | 2009 | — |
---|---|---|
Generation | Radeon IGP (3000) | — |
Production | End-of-life | — |
Interface | PCIe 1.0 x16 | — |
GPU clock | 350 MHz | 400 MHz |
---|---|---|
Memory clock | System Shared | 490 MHz 980 Mbps effective |
Memory size | System Shared | 256 MB |
---|---|---|
Memory type | System Shared | GDDR3 |
Memory bus width | System Shared | 256 bit |
Bandwidth | System Dependent | 31.36 GB/s |
Shading units | 40 | — |
---|---|---|
TMUs | 4 | 16 |
ROPs | 4 | 16 |
Compute units | 2 | — |
Pixel shaders | — | 16 |
Vertex shaders | — | 6 |
Pixel rate | 1.400 GPixel/s | 6.400 GPixel/s |
---|---|---|
Texture rate | 1.400 GTexel/s | 6.400 GTexel/s |
FP32 (float) performance | 28.00 GFLOPS | — |
Vertex rate | — | 600.0 MVertices/s |
Slot width | IGP | Single-slot |
---|---|---|
TDP | unknown | unknown |
Outputs | No outputs | 2x DVI1x S-Video |
Suggested PSU | — | 200 W |
DirectX | 10.0 (10_0) | 9.0b (9_2) |
---|---|---|
OpenGL | 3.3 | 2.1 |
OpenCL | 1.0 | — |
Vulkan | — | — |
Shader model | 4.1 | — |
Pixel shader | — | 2.0b |
Vertex shader | — | 2.0b |
Release date | — | Sep 15th, 2005 |
---|---|---|
Generation | — | Radeon R400 PCIe |
Production | — | End-of-life |
Interface | — | PCIe 1.0 x16 |
Reviews | — | 226 in our database |
Predecessor | — | Radeon R300 |
Successor | — | Radeon R500 PCIe |