GPU model | Thames | G92 |
---|---|---|
GPU variant | Thames LP | NB8E-GTX-A2 |
Architecture | TeraScale 2 | Tesla |
Foundry | TSMC | TSMC |
Manufacturing process | 40 nm | 65 nm |
Number of transistors | 716 million | 754 million |
Die size | 104 mm² | 324 mm² |
Release date | Jan 7th, 2012 | Nov 1st, 2007 |
---|---|---|
Generation | London (HD 7500M) | GeForce 8M (8000M) |
Production | End-of-life | End-of-life |
Interface | PCIe 2.0 x16 | MXM-HE |
Predecessor | Vancouver | GeForce Go 7 |
Successor | Solar System | GeForce 9M |
Base clock | 450 MHz | — |
---|---|---|
Boost clock | 550 MHz | — |
Memory clock | 900 MHz 1800 Mbps effective | 800 MHz 1600 Mbps effective |
GPU clock | — | 500 MHz |
Shader clock | — | 1250 MHz |
Memory size | 1024 MB | 512 MB |
---|---|---|
Memory type | DDR3 | GDDR3 |
Memory bus width | 64 bit | 256 bit |
Bandwidth | 14.40 GB/s | 51.20 GB/s |
Shading units | 400 | 96 |
---|---|---|
TMUs | 20 | 48 |
ROPs | 8 | 16 |
Compute units | 5 | — |
SM count | — | 12 |
Cache L2 | — | 64 KB |
Pixel rate | 4.400 GPixel/s | 8.000 GPixel/s |
---|---|---|
Texture rate | 11.00 GTexel/s | 24.00 GTexel/s |
FP32 (float) performance | 440.0 GFLOPS | 240.0 GFLOPS |
TDP | 14 W | 65 W |
---|---|---|
Outputs | No outputs | No outputs |
Slot width | — | MXM Module |
Power connectors | — | None |
Board number | — | P398 |
DirectX | 11.2 (11_0) | 11.1 (10_0) |
---|---|---|
OpenGL | 4.4 | 3.3 |
OpenCL | 1.2 | 1.1 |
Vulkan | — | — |
Shader model | 5.0 | 4.0 |
CUDA | — | 1.1 |