GeForce GTX 645

older Released April, 2013

824 MHz
1 GB GDDR5

6.2 Out of 10

GPUBoss Score

	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 5.6 GeForce GT 640 6.1
T-Rex, Manhattan, Cloud Gate Factor, Sky Diver Factor and 1 more

	Computing

GeForce GTX 645 5.6 GeForce GTX 745 5.8 GeForce GT 640 5.4
Face Detection, Ocean Surface Simulation and 3 more

	Performance per Watt

GeForce GTX 645 7.3 GeForce GTX 745 7.4 GeForce GT 640 7.4
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 8.0
TDP, Idle Power Consumption, Load Power Consumption and 2 more

6.2	Overall Score

GeForce GTX 645 6.2 GeForce GTX 745 6.3 GeForce GT 640 6.2

Bitcoin mining Data courtesy CompuBench

GeForce GTX 645
38.66 mHash/s

GeForce GTX 745

96.34 mHash/s

20.86 mHash/s

Face detection Data courtesy CompuBench

GeForce GTX 645
13.81 mPixels/s

GeForce GTX 745

24.01 mPixels/s

11.31 mPixels/s

Ocean surface simulation Data courtesy CompuBench

GeForce GTX 645
546.51 frames/s

209.1 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

1,650.2

n.d.

Manhattan (GFXBench 3.0) Data courtesy CompuBench

GeForce GTX 645
3,571.68

GeForce GTX 745

1,728.44

n.d.

Fire Strike Factor Data courtesy FutureMark

GeForce GTX 645
19.74

GeForce GTX 745

27.8

16.68

Sky Diver Factor Data courtesy FutureMark

GeForce GTX 645
172.58

143.75

GeForce GTX 745

184.21

Cloud Gate Factor Data courtesy FutureMark

GeForce GTX 645
11.67

GeForce GTX 745

13.47

12.93

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

Nvidia GeForce GTX 660

Nvidia GeForce GTX 745

Colorful GeForce GTX 650

Nvidia GeForce GT 635

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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