Product comparison · 2 gpus

GIGABYTE GV-N640D5-2GI graphics card NVIDIA GeForce GT 640 vs GIGABYTE GV-N650WF2-2GI graphics card NVIDIA GeForce GTX 650

41specifications compared
12differ
29identical
3known for one product only

Key differences

Graphics processor
- GV-N640D5-2GI graphics card NVIDIA GeForce GT 640:GeForce GT 640
- GV-N650WF2-2GI graphics card NVIDIA GeForce GTX 650:GeForce GTX 650
Processor frequency
- GV-N640D5-2GI graphics card NVIDIA GeForce GT 640:1046 MHz
- GV-N650WF2-2GI graphics card NVIDIA GeForce GTX 650:1110 MHz
Maximum displays per videocard
- GV-N640D5-2GI graphics card NVIDIA GeForce GT 640:2
- GV-N650WF2-2GI graphics card NVIDIA GeForce GTX 650:4
Memory bus
- GV-N640D5-2GI graphics card NVIDIA GeForce GT 640:64 bit
- GV-N650WF2-2GI graphics card NVIDIA GeForce GTX 650:128 bit
Memory clock speed
- GV-N640D5-2GI graphics card NVIDIA GeForce GT 640:5010 MHz
- GV-N650WF2-2GI graphics card NVIDIA GeForce GTX 650:5000 MHz
Interface type
- GV-N640D5-2GI graphics card NVIDIA GeForce GT 640:PCI Express 2.0
- GV-N650WF2-2GI graphics card NVIDIA GeForce GTX 650:PCI Express 3.0
DVI-D ports quantity
- GV-N640D5-2GI graphics card NVIDIA GeForce GT 640:1
- GV-N650WF2-2GI graphics card NVIDIA GeForce GTX 650:2
DVI ports quantity
- GV-N640D5-2GI graphics card NVIDIA GeForce GT 640:1
- GV-N650WF2-2GI graphics card NVIDIA GeForce GTX 650:2

Side by side

Differences highlightedShow differences only

Comparison of GV-N640D5-2GI, GV-N650WF2-2GI
44 specifications	A GIGABYTE GV-N640D5-2GI graphics card NVIDIA GeForce GT 640 Model GV-N640D5-2GI View product	B GIGABYTE GV-N650WF2-2GI graphics card NVIDIA GeForce GTX 650 Model GV-N650WF2-2GI View product
Processor3 differ
Graphics processor family	NVIDIA	NVIDIA
Graphics processorDiffers	GeForce GT 640	GeForce GTX 650
Maximum resolution	2560 x 1600 pixels	2560 x 1600 pixels
CUDA	No	No
CUDA cores	384	384
Processor frequencyDiffers	1046 MHz	1110 MHz
FireStream	No	No
Maximum analog resolution	2048 x 1536 pixels	2048 x 1536 pixels
Maximum digital resolution	2560 x 1600 pixels	2560 x 1600 pixels
Maximum displays per videocardDiffers	2	4
Parallel processing technology support	Not supported	Not supported
Memory2 differ
Discrete graphics card memory	2 GB	2 GB
Graphics card memory type	GDDR5	GDDR5
Memory busDiffers	64 bit	128 bit
Memory clock speedDiffers	5010 MHz	5000 MHz
Ports & interfaces3 differ
Interface typeDiffers	PCI Express 2.0	PCI Express 3.0
HDMI ports quantity	1	1
DVI-D ports quantityDiffers	1	2
DVI-I ports quantity	0	0
DisplayPorts quantity	0	0
DVI ports quantityDiffers	1	2
TV-out	No	No
VGA (D-Sub) ports quantity	1	1
Performanceidentical
PhysX	Yes	Yes
TV tuner integrated	No	No
DirectX version	11.1	11.1
OpenGL version	4.3	4.3
HDCP	Yes	Yes
Dual Link DVI	Yes	Yes
NVIDIA GameWorks VR	No	No
NVIDIA G-SYNC	No	No
Full HD	Yes	Yes
Designidentical
Cooling type	Active	Active
Bracket height	Full-Height (FH)	Full-Height (FH)
Form factor	Full-Height/Half-Length (FH/HL)	Full-Height/Half-Length (FH/HL)
Number of slots	1	1
Power1 differ
Minimum system power supplyDiffers	300 W	400 W
System requirementsidentical
Windows operating systems supported	Yes	Yes
Mac operating systems supportedKnown for one	No	Unknown — not stated by the source
Weight & dimensions3 differ
LengthDiffers	177 mm	201 mm
DepthDiffers	30 mm	39 mm
HeightDiffers	120 mm	141 mm
Other featuresidentical
Mac compatibilityKnown for one	Unknown — not stated by the source	No
Number of processors installedKnown for one	Unknown — not stated by the source	1

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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