NVIDIA GeForce GT 640 Graphics Card

Last updated:

Learn more about NVIDIA GeForce GT 640:

Specifications

Generation
GeForce 600
GPU model
GK107
Interface
PCIe 3.0 x16
GPU clock
902 MHz
Memory size
2 GB
DirectX
12 (11_0)
Release date
Jun 5th, 2012

Graphics Processor

GPU model
GK107
GPU variant
GK107-300-A2
Architecture
Kepler
Foundry
TSMC
Manufacturing process
28 nm
Number of transistors
1,270 million
Die size
118 mm²

Graphics Card

Release date
Jun 5th, 2012
Generation
GeForce 600
Production
End-of-life
Launch price
99 USD
Interface
PCIe 3.0 x16
Predecessor
GeForce 500
Successor
GeForce 700

Clocks

GPU clock
902 MHz
Memory clock
891 MHz 1782 Mbps effective

Memory Configuration

Memory size
2 GB
Memory type
DDR3
Memory bus width
128 bit
Bandwidth
28.51 GB/s

Render Configuration

Shading units
384
TMUs
32
ROPs
16
SMX count
2
Cache L1
16 KB (per SMX)
Cache L2
256 KB

Performance

Pixel rate
7.216 GPixel/s
Texture rate
28.86 GTexel/s
FP32 (float) performance
692.7 GFLOPS
FP64 (double) performance
28.86 GFLOPS (1:24)

Dimensions & Outputs

Slot width
Single-slot
Length
145 mm 5.7 inches
TDP
65 W
Suggested PSU
250 W
Outputs
1x DVI1x HDMI1x DisplayPort
Power connectors
None
Board number
P2011

API Support & Features

DirectX
12 (11_0)
OpenGL
4.6
OpenCL
3.0
Vulkan
1.1
CUDA
3.0
Shader model
5.1

Drivers

Looking for GeForce GT 640 driver download? We recommend Driver Booster program that can find, install, and keep up to date all drivers on Windows 10, 8.1, and 7 in one click!

FREE Drivers Download

Benchmark & Performance

Compare

Gaming

Sysrqmts browser extension icon
Stop overpaying for PC games!
See cheapest prices in Steam store with our browser extension.