GPU model | Seymour | M76 |
---|---|---|
GPU variant | Seymour LP | M76 XT |
Architecture | TeraScale 2 | TeraScale |
Foundry | TSMC | TSMC |
Manufacturing process | 40 nm | 65 nm |
Number of transistors | 370 million | 390 million |
Die size | 67 mm² | 153 mm² |
Release date | Jan 4th, 2011 | May 14th, 2007 |
---|---|---|
Generation | Vancouver (HD 6400M) | M7x (Mobility HD 2000) |
Production | End-of-life | End-of-life |
Interface | PCIe 2.0 x16 | MXM-II |
Predecessor | Manhattan | M6x |
Successor | London | M8x |
Reviews | — | 2 in our database |
GPU clock | 480 MHz | 680 MHz |
---|---|---|
Memory clock | 800 MHz 1600 Mbps effective | 750 MHz 1500 Mbps effective |
Memory size | 1024 MB | 256 MB |
---|---|---|
Memory type | DDR3 | GDDR3 |
Memory bus width | 64 bit | 128 bit |
Bandwidth | 12.80 GB/s | 24.00 GB/s |
Shading units | 160 | 120 |
---|---|---|
TMUs | 8 | 8 |
ROPs | 4 | 4 |
Compute units | 2 | 3 |
Cache L1 | 8 KB (per CU) | — |
Cache L2 | 128 KB | 64 KB |
Pixel rate | 1.920 GPixel/s | 2.720 GPixel/s |
---|---|---|
Texture rate | 3.840 GTexel/s | 5.440 GTexel/s |
FP32 (float) performance | 153.6 GFLOPS | 163.2 GFLOPS |
TDP | unknown | unknown |
---|---|---|
Outputs | No outputs | No outputs |
Slot width | — | MXM Module |
DirectX | 11.2 (11_0) | 10.0 (10_0) |
---|---|---|
OpenGL | 4.4 | 3.3 |
OpenCL | 1.2 | — |
Vulkan | — | — |
Shader model | 5.0 | 4.0 |