GPU model | RS880 | R423 |
---|---|---|
GPU variant | RS880M | R423 GTO |
Architecture | TeraScale | R400 |
Manufacturing process | 55 nm | 130 nm |
Number of transistors | 181 million | 160 million |
Die size | 67 mm² | 289 mm² |
Foundry | — | TSMC |
Release date | Nov 1st, 2009 | — |
---|---|---|
Generation | Radeon IGP (Mobility HD 4000) | — |
Production | End-of-life | — |
Interface | PCIe 1.0 x16 | — |
Successor | Palm | — |
GPU clock | 400 MHz | 400 MHz |
---|---|---|
Memory clock | System Shared | 350 MHz 700 Mbps effective |
Memory size | System Shared | 128 MB |
---|---|---|
Memory type | System Shared | DDR |
Memory bus width | System Shared | 256 bit |
Bandwidth | System Dependent | 22.40 GB/s |
Shading units | 40 | — |
---|---|---|
TMUs | 4 | 12 |
ROPs | 4 | 12 |
Compute units | 2 | — |
Pixel shaders | — | 12 |
Vertex shaders | — | 6 |
Pixel rate | 1.600 GPixel/s | 4.800 GPixel/s |
---|---|---|
Texture rate | 1.600 GTexel/s | 4.800 GTexel/s |
FP32 (float) performance | 32.00 GFLOPS | — |
Vertex rate | — | 600.0 MVertices/s |
Slot width | IGP | Single-slot |
---|---|---|
TDP | unknown | 49 W |
Outputs | No outputs | 1x DVI1x VGA1x S-Video |
Power connectors | None | — |
Suggested PSU | — | 200 W |
DirectX | 10.1 (10_1) | 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 | — | Dec 29th, 2007 |
---|---|---|
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 |