GPU model | M82 | M26 |
---|---|---|
Architecture | TeraScale | R400 |
Foundry | TSMC | TSMC |
Manufacturing process | 55 nm | 110 nm |
Number of transistors | 181 million | 120 million |
Die size | 67 mm² | 156 mm² |
Release date | Jul 25th, 2008 | Mar 1st, 2005 |
---|---|---|
Generation | M8x (Mobility HD 3400) | M2x (Mobility X1) |
Production | End-of-life | End-of-life |
Interface | MXM-II | PCIe 1.0 x16 |
Predecessor | M7x | M1x |
Successor | M9x | M5x |
Reviews | — | 2 in our database |
GPU clock | 400 MHz | 350 MHz |
---|---|---|
Memory clock | 400 MHz 800 Mbps effective | 300 MHz 600 Mbps effective |
Memory size | 256 MB | 128 MB |
---|---|---|
Memory type | DDR2 | DDR |
Memory bus width | 64 bit | 128 bit |
Bandwidth | 6.400 GB/s | 9.600 GB/s |
Shading units | 40 | — |
---|---|---|
TMUs | 4 | 8 |
ROPs | 4 | 4 |
Compute units | 2 | — |
Cache L2 | 64 KB | — |
Pixel shaders | — | 8 |
Vertex shaders | — | 6 |
Pixel rate | 1.600 GPixel/s | 1.400 GPixel/s |
---|---|---|
Texture rate | 1.600 GTexel/s | 2.800 GTexel/s |
FP32 (float) performance | 32.00 GFLOPS | — |
Vertex rate | — | 525.0 MVertices/s |
Slot width | MXM Module | — |
---|---|---|
TDP | 7 W | unknown |
Outputs | No outputs | No outputs |
DirectX | 10.1 | 9.0b (9_2) |
---|---|---|
OpenGL | 3.3 | 2.1 |
OpenCL | — | — |
Vulkan | — | — |
Shader model | 4.1 | — |
Pixel shader | — | 2.0b |
Vertex shader | — | 2.0b |