Product comparison · 2 gpus

ASUS GT640-1GD3-L graphics card NVIDIA GeForce GT 640 vs GIGABYTE GV-R777OC-1GD REV2.0

31specifications compared
14differ
17identical
16known for one product only

Key differences

Graphics processor family
- GT640-1GD3-L graphics card NVIDIA GeForce GT 640:NVIDIA
- GV-R777OC-1GD REV2.0:AMD
Graphics processor
- GT640-1GD3-L graphics card NVIDIA GeForce GT 640:GeForce GT 640
- GV-R777OC-1GD REV2.0:Radeon HD7770
CUDA
- GT640-1GD3-L graphics card NVIDIA GeForce GT 640:Yes
- GV-R777OC-1GD REV2.0:No
Processor frequency
- GT640-1GD3-L graphics card NVIDIA GeForce GT 640:901 MHz
- GV-R777OC-1GD REV2.0:1050 MHz
Parallel processing technology support
- GT640-1GD3-L graphics card NVIDIA GeForce GT 640:Not supported
- GV-R777OC-1GD REV2.0:2-Way CrossFireX
Graphics card memory type
- GT640-1GD3-L graphics card NVIDIA GeForce GT 640:GDDR3
- GV-R777OC-1GD REV2.0:GDDR5
Memory clock speed
- GT640-1GD3-L graphics card NVIDIA GeForce GT 640:1782 MHz
- GV-R777OC-1GD REV2.0:4500 MHz
DVI-D ports quantity
- GT640-1GD3-L graphics card NVIDIA GeForce GT 640:1
- GV-R777OC-1GD REV2.0:0

Side by side

Differences highlightedShow differences only

Comparison of GT640-1GD3-L, GV-R777OC-1GD REV2.0
47 specifications	A ASUS GT640-1GD3-L graphics card NVIDIA GeForce GT 640 Model GT640-1GD3-L View product	B GIGABYTE GV-R777OC-1GD REV2.0 View product
Processor5 differ
Graphics processor familyDiffers	NVIDIA	AMD
Graphics processorDiffers	GeForce GT 640	Radeon HD7770
Maximum resolution	2560 x 1600 pixels	2560 x 1600 pixels
CUDADiffers	Yes	No
Processor frequencyDiffers	901 MHz	1050 MHz
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 videocardKnown for one	Unknown — not stated by the source	4
Parallel processing technology supportDiffers	Not supported	2-Way CrossFireX
CUDA coresKnown for one	384	Unknown — not stated by the source
Memory2 differ
Discrete graphics card memory	1 GB	1 GB
Graphics card memory typeDiffers	GDDR3	GDDR5
Memory bus	128 bit	128 bit
Memory clock speedDiffers	1782 MHz	4500 MHz
Ports & interfaces3 differ
Interface type	PCI Express 3.0	PCI Express 3.0
HDMI ports quantity	1	1
DVI-D ports quantityDiffers	1	0
DVI-I ports quantityDiffers	0	1
DisplayPorts quantity	0	0
HDMI versionKnown for one	Unknown — not stated by the source	1.4a
DVI ports quantityKnown for one	Unknown — not stated by the source	1
Mini DisplayPorts quantityKnown for one	Unknown — not stated by the source	2
VGA (D-Sub) ports quantityDiffers	1	0
Performance1 differ
PhysXDiffers	Yes	No
TV tuner integrated	No	No
DirectX version	11	11
Shader model versionKnown for one	Unknown — not stated by the source	5.0
OpenGL version	4.2	4.2
Dual Link DVIKnown for one	Unknown — not stated by the source	Yes
NVIDIA 3D Vision	Yes	Yes
Full HD	Yes	Yes
HDCPKnown for one	Yes	Unknown — not stated by the source
Design1 differ
Cooling type	Active	Active
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/Half-Length (FH/HL)
Number of slotsDiffers	1	2
Power1 differ
Minimum system power supplyDiffers	350 W	450 W
Power consumption (typical)Known for one	65 W	Unknown — not stated by the source
System requirementsidentical
Windows operating systems supported	Yes	Yes
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions1 differ
LengthKnown for one	Unknown — not stated by the source	212 mm
DepthKnown for one	Unknown — not stated by the source	41.5 mm
HeightDiffers	121.4 mm	136.5 mm
Packaging contentidentical
Bundled softwareKnown for one	Unknown — not stated by the source	Driver CD
Other featuresidentical
Mac compatibility	No	No
HDMI	Yes	Yes
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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