NVIDIA GeForce GT 640 GF116 Full Specs

Summary

144 Shaders 720MHz

1.5GB DDR342.8GB/s

Peak·FP32·FP16 414.7 GFLOPS

Form Factor PCIe Card

TDP 75W

Theoretical Performance

Clock Speed720MHz UC·Boost·OC

Peak OPS 414.7 GFLOPSFP32

FP32 414.7 GFLOPS

FP64 34.56 GFLOPS

Pixel Rate 34.6 GPixel/s

Texture Rate 34.6 GTexel/s

Core Config

Shaders 144 Shaders

TMUs 24 TMUs

ROPs 24 ROPs

SMs 3 SMs

Clocks

Boost Clock 720MHz

Shader Clock 1.44GHz

Cache

L1 64KB/SM

L2 Cache 384KB shared

Memory

1.5GB DDR3

Memory Bus 192-bit

Memory Speed 1.8GT/s

Memory Bandwidth 42.8GB/s

ECC No

Power & Thermals

TDP 75W

Video Output

Max Resolution 2560x1600

Refresh Rate Calculator 2560x1440 Resolution1440p QHD Refresh Rate 66Hz

Multi-Monitor 2

DSC Not Supported

Ports

1x HDMI 1.3 1x DVI-I Dual-Link 1x VGA

API Support

Shader Model 5.1

DirectX DirectX 12 Direct3D 11_0

OpenGL 4.6 OpenCL 1.1

CUDA 2.1 PureVideo HD VP4 VDPAU Feature Set C

Decoder

Decoder VP4

Card

Form Factor PCIe Card

PCIe PCIe 2.0 x16 1.5-Slots

Height 111mm (4.37") Width 145mm (5.71") Depth 30mm (1.18")

Cooling Open-Air 1x Fan

Multi-GPU Multi-GPU Support Supported Multi-GPU Type 2-way SLI

Chip

Manufacturer NVIDIA

Chip Designer NVIDIA

Architecture Fermi

Family GeForce 600

Branding

Codename NVCF

Market Segment Desktop

Release Date Apr 24, 2012

Fabrication

Foundry TSMC

Fabrication Node 40nm

Die Size 238mm²

Transistor Count 1.2B

Transistor Density 4.92 MTr/mm²

Images