GPU model | GK208B | GF108 |
---|---|---|
GPU variant | N16V-GM | GF108-400-A1 |
Architecture | Kepler 2.0 | Fermi |
Foundry | TSMC | TSMC |
Manufacturing process | 28 nm | 40 nm |
Number of transistors | 1,020 million | 585 million |
Die size | 87 mm² | 116 mm² |
Release date | Mar 13th, 2015 | — |
---|---|---|
Generation | GeForce 900A | — |
Production | Active | — |
Interface | PCIe 3.0 x8 | — |
Predecessor | GeForce 800A | — |
GPU clock | 954 MHz | 700 MHz |
---|---|---|
Memory clock | 1001 MHz 2 Gbps effective | 800 MHz 1600 Mbps effective |
Shader clock | — | 1400 MHz |
Memory size | 2 GB | 2 GB |
---|---|---|
Memory type | DDR3 | DDR3 |
Memory bus width | 64 bit | 128 bit |
Bandwidth | 16.02 GB/s | 25.60 GB/s |
Shading units | 384 | 96 |
---|---|---|
TMUs | 32 | 16 |
ROPs | 8 | 4 |
SMX count | 2 | — |
Cache L1 | 16 KB (per SMX) | 64 KB (per SM) |
Cache L2 | 512 KB | 256 KB |
SM count | — | 2 |
Pixel rate | 7.632 GPixel/s | 2.800 GPixel/s |
---|---|---|
Texture rate | 30.53 GTexel/s | 11.20 GTexel/s |
FP32 (float) performance | 732.7 GFLOPS | 268.8 GFLOPS |
FP64 (double) performance | 30.53 GFLOPS (1:24) | 22.40 GFLOPS (1:12) |
Slot width | IGP | Single-slot |
---|---|---|
TDP | 33 W | 49 W |
Outputs | No outputs | 1x DVI1x HDMI1x VGA |
Length | — | 145 mm 5.7 inches |
Suggested PSU | — | 200 W |
Power connectors | — | None |
Board number | — | P1070, P1071 |
DirectX | 12 (11_0) | 12 (11_0) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 3.0 | 1.1 |
Vulkan | 1.1 | — |
CUDA | 3.5 | 2.1 |
Shader model | 5.1 | 5.1 |
Release date | — | Jun 18th, 2014 |
---|---|---|
Generation | — | GeForce 700 |
Production | — | End-of-life |
Interface | — | PCIe 2.0 x16 |
Predecessor | — | GeForce 600 |
Successor | — | GeForce 900 |