GPU model | M28 | RS780 |
---|---|---|
Architecture | R400 | TeraScale |
Foundry | TSMC | — |
Manufacturing process | 130 nm | 65 nm |
Number of transistors | 160 million | 180 million |
Die size | 289 mm² | 85 mm² |
Release date | Jun 1st, 2005 | — |
---|---|---|
Generation | M2x (Mobility X1) | — |
Production | End-of-life | — |
Interface | PCIe 1.0 x16 | — |
Reviews | 2 in our database | — |
Predecessor | M1x | — |
Successor | M5x | — |
GPU clock | 480 MHz | 500 MHz |
---|---|---|
Memory clock | 550 MHz 1100 Mbps effective | System Shared |
Memory size | 256 MB | System Shared |
---|---|---|
Memory type | GDDR3 | System Shared |
Memory bus width | 256 bit | System Shared |
Bandwidth | 35.20 GB/s | System Dependent |
Pixel shaders | 16 | — |
---|---|---|
Vertex shaders | 6 | — |
TMUs | 16 | 4 |
ROPs | 16 | 4 |
Shading units | — | 40 |
Compute units | — | 2 |
Pixel rate | 7.680 GPixel/s | 2.000 GPixel/s |
---|---|---|
Vertex rate | 720.0 MVertices/s | — |
Texture rate | 7.680 GTexel/s | 2.000 GTexel/s |
FP32 (float) performance | — | 40.00 GFLOPS |
TDP | unknown | unknown |
---|---|---|
Outputs | No outputs | No outputs |
Slot width | — | IGP |
DirectX | 9.0b (9_2) | 10.0 (10_0) |
---|---|---|
OpenGL | 2.1 | 3.3 |
OpenCL | — | 1.0 |
Vulkan | — | — |
Pixel shader | 2.0b | — |
Vertex shader | 2.0b | — |
Shader model | — | 4.1 |
Release date | — | Mar 4th, 2008 |
---|---|---|
Generation | — | Radeon IGP (3000) |
Production | — | End-of-life |
Interface | — | PCIe 1.0 x16 |