GeForce GTX 645 

Released April, 2013
  • 824 MHz
  • 1 GB GDDR5
6.3 Out of 10

It is based on the Fermi GF116, which features 144 CUDA cores, 1.5 GB or 3 GB GDDR3 192-bit memory interface, 720 MHz core clock speed, and 891 MHz memory clock speed.
by Doug-Crowthers (Apr, 2012)

GPUBoss Review Our evaluation of the GeForce GTX 645 among Desktop GPUs

Gaming

GeForce GTX 645
n.d.
GeForce GTX 745
n.d.
GeForce GT 640
5.8
Battlefield 3, Battlefield 4, Bioshock Infinite and 21 more

Graphics

GeForce GTX 645
5.7
GeForce GTX 745
5.7
GeForce GT 640
6.2
T-Rex, Manhattan, Cloud Gate Factor, Sky Diver Factor and 1 more

Computing

GeForce GTX 645
5.6
GeForce GTX 745
5.7
GeForce GT 640
5.4
Face Detection, Ocean Surface Simulation and 3 more

Performance per Watt

GeForce GTX 645
7.6
GeForce GTX 745
7.8
GeForce GT 640
7.8
Battlefield 3, Battlefield 4, Bioshock Infinite and 32 more

Value

GeForce GTX 645
n.d.
GeForce GTX 745
n.d.
GeForce GT 640
n.d.
Battlefield 3, Battlefield 4, Bioshock Infinite and 32 more

Noise and Power

GeForce GTX 645
9.6
GeForce GTX 745
9.7
GeForce GT 640
8.4
TDP, Idle Power Consumption, Load Power Consumption and 2 more
6.3

Overall Score

GeForce GTX 645
6.3
GeForce GTX 745
6.3
GeForce GT 640
6.3

Benchmarks Real world tests of the GeForce GTX 645

Bitcoin mining Data courtesy CompuBench

GeForce GTX 645
38.66 mHash/s
GeForce GTX 745
96.34 mHash/s
GeForce GT 640
20.86 mHash/s

Face detection Data courtesy CompuBench

GeForce GTX 645
13.81 mPixels/s
GeForce GTX 745
24.01 mPixels/s
GeForce GT 640
11.31 mPixels/s

Ocean surface simulation Data courtesy CompuBench

GeForce GTX 645
546.51 frames/s
GeForce GT 640
295.41 frames/s
GeForce GTX 745
335.34 frames/s

T-Rex (GFXBench 3.0) Data courtesy CompuBench

GeForce GTX 645
4,112.75
GeForce GTX 745
3,158.76
GeForce GT 640
n.d.

Manhattan (GFXBench 3.0) Data courtesy CompuBench

GeForce GTX 645
3,571.68
GeForce GTX 745
1,857.16
GeForce GT 640
n.d.

Fire Strike Factor Data courtesy FutureMark

GeForce GTX 645
19.74
GeForce GTX 745
27.8
GeForce GT 640
16.68

Sky Diver Factor Data courtesy FutureMark

GeForce GTX 645
172.58
GeForce GT 640
143.75
GeForce GTX 745
184.21

Cloud Gate Factor Data courtesy FutureMark

GeForce GTX 645
11.67
GeForce GTX 745
13.47
GeForce GT 640
12.93

In The News From around the web

26
Apr

Nvidia Preps OEM GeForce GT 630, GT 645 & Three GT 640s

by Doug Crowthers |
www.tomshardware.com
It is a single-slot, low-profile graphics card with 384 CUDA cores, 128-bit wide GDDR3 memory interface, 875 MHz GPU clock speed, 891 MHz memory clock speed and TDP of 50 W. When compared against the low-end GT 640, the GT 630 is actually the better card and in-turn will offer users better performance in their OEM system.
It is based on the Fermi GF116, which features 144 CUDA cores, 1.5 GB or 3 GB GDDR3 192-bit memory interface, 720 MHz core clock speed, and 891 MHz memory clock speed.

Specifications Full list of technical specs

gpu

GPU brand Nvidia
GPU name GK106
Market Desktop
Clock speed 824 MHz
Turbo clock speed 888 MHz
Is dual GPU No
Reference card None

raw performance

Shading units 576
Texture mapping units 48
Render output processors 16
SMX units 3
Pixel rate 9.89 GPixel/s
Texture rate 39.6 GTexel/s
Floating-point performance 949.2 GFLOPS

memory

Memory clock speed 1,000 MHz
Effective memory clock speed 4,000 MHz
Memory bus 128 bit
Memory 1,024 MB
Memory type GDDR5
Memory bandwidth 64 GB/s

noise and power

TDP 65W
Report a correction

Comments

Showing 1 comment.
AV Xman (08:36 PM, September 15, 2014)
i have 1 4 sale - http://www.ebay.com/itm/121437045256?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649
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