GPU model | Whistler | GK208 |
---|---|---|
GPU variant | Whistler XT (216-0810001) | N14M-LP |
Architecture | TeraScale 2 | Kepler 2.0 |
Foundry | TSMC | TSMC |
Manufacturing process | 40 nm | 28 nm |
Number of transistors | 716 million | 1,020 million |
Die size | 104 mm² | 87 mm² |
Release date | Jul 1st, 2012 | Apr 1st, 2013 |
---|---|---|
Generation | London (HD 7600M) | GeForce 700M |
Production | End-of-life | End-of-life |
Interface | PCIe 2.0 x16 | PCIe 3.0 x8 |
Predecessor | Vancouver | GeForce 600M |
Successor | Solar System | GeForce 800M |
GPU clock | 600 MHz | 575 MHz |
---|---|---|
Memory clock | 900 MHz 1800 Mbps effective | 900 MHz 1800 Mbps effective |
Memory size | 1024 MB | 2 GB |
---|---|---|
Memory type | GDDR3 | DDR3 |
Memory bus width | 128 bit | 64 bit |
Bandwidth | 28.80 GB/s | 14.40 GB/s |
Shading units | 480 | 384 |
---|---|---|
TMUs | 24 | 32 |
ROPs | 16 | 8 |
Compute units | 6 | — |
Cache L1 | 8 KB (per CU) | 16 KB (per SMX) |
Cache L2 | 256 KB | 512 KB |
SMX count | — | 2 |
Pixel rate | 9.600 GPixel/s | 4.600 GPixel/s |
---|---|---|
Texture rate | 14.40 GTexel/s | 18.40 GTexel/s |
FP32 (float) performance | 576.0 GFLOPS | 441.6 GFLOPS |
FP64 (double) performance | — | 18.40 GFLOPS (1:24) |
TDP | 20 W | 33 W |
---|---|---|
Outputs | No outputs | No outputs |
Slot width | — | IGP |
DirectX | 11.2 (11_0) | 12 (11_0) |
---|---|---|
OpenGL | 4.4 | 4.6 |
OpenCL | 1.2 | 3.0 |
Vulkan | — | 1.1 |
Shader model | 5.0 | 5.1 |
CUDA | — | 3.5 |