Product comparison · 2 gpus

ASUS GT640-1GD3-L graphics card NVIDIA GeForce GT 640 vs ASUS GTX660TI-DC2-2G graphics card NVIDIA GeForce GTX 660 Ti

29specifications compared
11differ
18identical
17known for one product only

Key differences

Graphics processor
- GT640-1GD3-L graphics card NVIDIA GeForce GT 640:GeForce GT 640
- GTX660TI-DC2-2G graphics card NVIDIA GeForce GTX 660 Ti:GeForce GTX 660 Ti
CUDA cores
- GT640-1GD3-L graphics card NVIDIA GeForce GT 640:384
- GTX660TI-DC2-2G graphics card NVIDIA GeForce GTX 660 Ti:1344
Processor frequency
- GT640-1GD3-L graphics card NVIDIA GeForce GT 640:901 MHz
- GTX660TI-DC2-2G graphics card NVIDIA GeForce GTX 660 Ti:915 MHz
Parallel processing technology support
- GT640-1GD3-L graphics card NVIDIA GeForce GT 640:Not supported
- GTX660TI-DC2-2G graphics card NVIDIA GeForce GTX 660 Ti:2-Way SLI, 3-Way SLI
Discrete graphics card memory
- GT640-1GD3-L graphics card NVIDIA GeForce GT 640:1 GB
- GTX660TI-DC2-2G graphics card NVIDIA GeForce GTX 660 Ti:2 GB
Graphics card memory type
- GT640-1GD3-L graphics card NVIDIA GeForce GT 640:GDDR3
- GTX660TI-DC2-2G graphics card NVIDIA GeForce GTX 660 Ti:GDDR5
Memory bus
- GT640-1GD3-L graphics card NVIDIA GeForce GT 640:128 bit
- GTX660TI-DC2-2G graphics card NVIDIA GeForce GTX 660 Ti:192 bit
Memory clock speed
- GT640-1GD3-L graphics card NVIDIA GeForce GT 640:1782 MHz
- GTX660TI-DC2-2G graphics card NVIDIA GeForce GTX 660 Ti:6008 MHz

Side by side

Differences highlightedShow differences only

Comparison of GT640-1GD3-L, GTX660TI-DC2-2G
46 specifications	A ASUS GT640-1GD3-L graphics card NVIDIA GeForce GT 640 Model GT640-1GD3-L View product	B ASUS GTX660TI-DC2-2G graphics card NVIDIA GeForce GTX 660 Ti Model GTX660TI-DC2-2G View product
Processor4 differ
Graphics processorDiffers	GeForce GT 640	GeForce GTX 660 Ti
CUDA coresDiffers	384	1344
Processor frequencyDiffers	901 MHz	915 MHz
Processor boost clock speedKnown for one	Unknown — not stated by the source	980 MHz
Graphics card RAMDACKnown for one	Unknown — not stated by the source	400 MHz
Parallel processing technology supportDiffers	Not supported	2-Way SLI, 3-Way SLI
Memory4 differ
Discrete graphics card memoryDiffers	1 GB	2 GB
Graphics card memory typeDiffers	GDDR3	GDDR5
Memory busDiffers	128 bit	192 bit
Memory clock speedDiffers	1782 MHz	6008 MHz
Memory bandwidth (max)Known for one	Unknown — not stated by the source	144.2 GB/s
Ports & interfaces2 differ
DVI-I ports quantityDiffers	0	1
DisplayPorts quantityDiffers	0	1
HDMI versionKnown for one	Unknown — not stated by the source	1.4a
DVI ports quantityKnown for one	Unknown — not stated by the source	2
VGA (D-Sub) ports quantityKnown for one	1	Unknown — not stated by the source
Performanceidentical
Shader model versionKnown for one	Unknown — not stated by the source	5.0
Dual Link DVIKnown for one	Unknown — not stated by the source	Yes
NVIDIA 3D VisionKnown for one	Yes	Unknown — not stated by the source
Designidentical
Bracket heightKnown for one	Unknown — not stated by the source	Full-Height (FH)
Form factorKnown for one	Unknown — not stated by the source	Full-Height/Full-Length (FH/FL)
Number of slotsKnown for one	1	Unknown — not stated by the source
Power1 differ
Power consumption (typical)Differs	65 W	150 W
Minimum system power supplyKnown for one	350 W	Unknown — not stated by the source
System requirementsidentical
Mac operating systems supportedKnown for one	Unknown — not stated by the source	No
Other featuresidentical
Number of processors installedKnown for one	Unknown — not stated by the source	1
Mac compatibilityKnown for one	No	Unknown — not stated by the source
Weight & dimensionsidentical
HeightKnown for one	121.4 mm	Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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