GeForce GT 640 

Released June, 2012
  • 902 MHz
  • 1 GB DDR3
5.7 Out of 10

Explore 8 desktops with the GeForce GT 640

GPUBoss Review Our evaluation of the GeForce GT 640 among Desktop GPUs

Gaming

GeForce GT 640
5.7
GeForce GT 730
6.1
GeForce GT 630
6.0
Battlefield 3, Battlefield 4, Bioshock Infinite and 21 more

Graphics

GeForce GT 640
6.2
GeForce GT 730
5.2
GeForce GT 630
5.7
T-Rex, Manhattan, Cloud Gate Factor, Sky Diver Factor and 1 more

Computing

GeForce GT 640
5.3
GeForce GT 730
5.3
GeForce GT 630
5.1
Face Detection, Ocean Surface Simulation and 3 more

Performance per Watt

GeForce GT 640
7.1
GeForce GT 730
7.5
GeForce GT 630
6.9
Battlefield 3, Battlefield 4, Bioshock Infinite and 32 more

Value

GeForce GT 640
n.d.
GeForce GT 730
n.d.
GeForce GT 630
n.d.
Battlefield 3, Battlefield 4, Bioshock Infinite and 32 more

Noise and Power

GeForce GT 640
9.4
GeForce GT 730
9.9
GeForce GT 630
9.4
TDP, Idle Power Consumption, Load Power Consumption and 2 more
5.7

Overall Score

GeForce GT 640
5.7
GeForce GT 730
5.6
GeForce GT 630
5.5

Benchmarks Real world tests of the GeForce GT 640

Bitcoin mining Data courtesy CompuBench

GeForce GT 640
20.86 mHash/s
GeForce GT 730
36.92 mHash/s
GeForce GT 630
19.96 mHash/s

Face detection Data courtesy CompuBench

GeForce GT 640
11.31 mPixels/s
GeForce GT 630
6.6 mPixels/s
GeForce GT 730
10.87 mPixels/s

Ocean surface simulation Data courtesy CompuBench

GeForce GT 640
209.1 frames/s
GeForce GT 630
142.89 frames/s
GeForce GT 730
198.18 frames/s

Fire Strike Factor Data courtesy FutureMark

GeForce GT 640
16.68
GeForce GT 630
9.87
GeForce GT 730
11.11

Sky Diver Factor Data courtesy FutureMark

GeForce GT 640
143.75
GeForce GT 630
100.02
GeForce GT 730
102.34

Cloud Gate Factor Data courtesy FutureMark

GeForce GT 640
12.93
GeForce GT 730
9.48
GeForce GT 630
9.76

Battlefield 4

GeForce GT 640
45
GeForce GT 730
20
GeForce GT 630
n.d.

Metro: Last Light

GeForce GT 640
28
GeForce GT 730
72
GeForce GT 630
29

Reviews Word on the street for the GeForce GT 640

7.2
read review

Specifications Full list of technical specs

gpu

GPU brand Nvidia
GPU name GK107
Market Desktop
Clock speed 902 MHz
Is dual GPU No
Reference card Nvidia GeForce GT 640 902 MHz 2 GB

raw performance

Shading units 384
Texture mapping units 32
Render output processors 16
SMX units 2
Pixel rate 7.22 GPixel/s
Texture rate 28.86 GTexel/s
Floating-point performance 692.7 GFLOPS

memory

Memory clock speed 900 MHz
Effective memory clock speed 1,800 MHz
Memory bus 128 bit
Memory 1,024 MB
Memory type DDR3
Memory bandwidth 28.8 GB/s

noise and power

TDP 65W
Idle noise level 46.4 dB
Load noise level 46.4 dB
Idle power consumption 104W
Load power consumption 208W
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Comments

Showing 1 comment.
osoperez (08:25 PM, June 13, 2015)
Pretty nice card for a Budget pc...no fancy cases, too enclosed vents and low wattage PSU, i own the 1GB version, unfortunately you can't OC too much not matter what software you use. Still can play most of games up to date except for those IP's that demands (in my opinion) ridiculous specs, i could play BF4 with all in low and native res (1600 x 900), i know its outdated....im just the kind of person who think: "why would i pay more money for something that i can accomplish with my current set"...maybe im saying this because im not a big fan of the HD hype, anyway its a matter of preferences, for example, right now im in the position of change my rig or maybe just the card only and only if i cant play SW Battlefront...XD (and thats why im here checking updated card specs lol).
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