GPU model | Seymour | GF108 |
---|---|---|
GPU variant | Seymour XTX (216-0810005) | GF108-100-KB-A1 |
Architecture | TeraScale 2 | Fermi |
Foundry | TSMC | TSMC |
Manufacturing process | 40 nm | 40 nm |
Number of transistors | 370 million | 585 million |
Die size | 67 mm² | 116 mm² |
Release date | May 2nd, 2011 | — |
---|---|---|
Generation | Vancouver (HD 6400M) | — |
Production | End-of-life | — |
Interface | PCIe 2.0 x16 | — |
Predecessor | Manhattan | — |
Successor | London | — |
GPU clock | 750 MHz | 700 MHz |
---|---|---|
Memory clock | 794 MHz 3.2 Gbps effective | 900 MHz 1800 Mbps effective |
Shader clock | — | 1400 MHz |
Memory size | 256 MB | 1024 MB |
---|---|---|
Memory type | GDDR5 | DDR3 |
Memory bus width | 64 bit | 64 bit |
Bandwidth | 25.41 GB/s | 14.40 GB/s |
Shading units | 160 | 96 |
---|---|---|
TMUs | 8 | 16 |
ROPs | 4 | 4 |
Compute units | 2 | — |
Cache L1 | 8 KB (per CU) | 64 KB (per SM) |
Cache L2 | 128 KB | 128 KB |
SM count | — | 2 |
Pixel rate | 3.000 GPixel/s | 2.800 GPixel/s |
---|---|---|
Texture rate | 6.000 GTexel/s | 11.20 GTexel/s |
FP32 (float) performance | 240.0 GFLOPS | 268.8 GFLOPS |
FP64 (double) performance | — | 22.40 GFLOPS (1:12) |
TDP | unknown | 49 W |
---|---|---|
Outputs | No outputs | 1x DVI1x HDMI1x VGA |
Slot width | — | Single-slot |
Length | — | 145 mm 5.7 inches |
Suggested PSU | — | 200 W |
Power connectors | — | None |
Board number | — | P1071 |
DirectX | 11.2 (11_0) | 12 (11_0) |
---|---|---|
OpenGL | 4.4 | 4.6 |
OpenCL | 1.2 | 1.1 |
Vulkan | — | — |
Shader model | 5.0 | 5.1 |
CUDA | — | 2.1 |
Release date | — | May 15th, 2012 |
---|---|---|
Generation | — | GeForce 600 |
Production | — | End-of-life |
Interface | — | PCIe 2.0 x16 |
Predecessor | — | GeForce 500 |
Successor | — | GeForce 700 |