GPU model | Whistler | GK208 |
---|---|---|
GPU variant | Whistler LE | — |
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 | Jan 7th, 2012 | Jul 23rd, 2013 |
---|---|---|
Generation | London (HD 7600M) | Quadro Mobile (Kx100M) |
Production | End-of-life | End-of-life |
Interface | PCIe 2.0 x16 | MXM-A (3.0) |
Predecessor | Vancouver | — |
Successor | Solar System | — |
Reviews | — | 26 in our database |
GPU clock | 450 MHz | 889 MHz |
---|---|---|
Memory clock | 800 MHz 1600 Mbps effective | 600 MHz 2.4 Gbps effective |
Memory size | 1024 MB | 1024 MB |
---|---|---|
Memory type | GDDR3 | GDDR5 |
Memory bus width | 128 bit | 64 bit |
Bandwidth | 25.60 GB/s | 19.20 GB/s |
Shading units | 400 | 192 |
---|---|---|
TMUs | 20 | 16 |
ROPs | 8 | 8 |
Compute units | 5 | — |
Cache L1 | 8 KB (per CU) | 16 KB (per SMX) |
Cache L2 | 256 KB | 512 KB |
SMX count | — | 1 |
Pixel rate | 3.600 GPixel/s | 3.556 GPixel/s |
---|---|---|
Texture rate | 9.000 GTexel/s | 14.22 GTexel/s |
FP32 (float) performance | 360.0 GFLOPS | 341.4 GFLOPS |
FP64 (double) performance | — | 14.22 GFLOPS (1:24) |
TDP | 20 W | 30 W |
---|---|---|
Outputs | No outputs | No outputs |
Slot width | — | MXM Module |
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 |