Product comparison · 2 gpus

ASUS GT640-1GD3-L graphics card NVIDIA GeForce GT 640 vs ASUS HD7770-1GD5 graphics card AMD Radeon HD7770

32specifications compared
14differ
18identical
16known for one product only

Key differences

Graphics processor family
- GT640-1GD3-L graphics card NVIDIA GeForce GT 640:NVIDIA
- HD7770-1GD5 graphics card AMD Radeon HD7770:AMD
Graphics processor
- GT640-1GD3-L graphics card NVIDIA GeForce GT 640:GeForce GT 640
- HD7770-1GD5 graphics card AMD Radeon HD7770:Radeon HD7770
CUDA
- GT640-1GD3-L graphics card NVIDIA GeForce GT 640:Yes
- HD7770-1GD5 graphics card AMD Radeon HD7770:No
Processor frequency
- GT640-1GD3-L graphics card NVIDIA GeForce GT 640:901 MHz
- HD7770-1GD5 graphics card AMD Radeon HD7770:1000 MHz
Parallel processing technology support
- GT640-1GD3-L graphics card NVIDIA GeForce GT 640:Not supported
- HD7770-1GD5 graphics card AMD Radeon HD7770:2-Way CrossFireX
Graphics card memory type
- GT640-1GD3-L graphics card NVIDIA GeForce GT 640:GDDR3
- HD7770-1GD5 graphics card AMD Radeon HD7770:GDDR5
Memory clock speed
- GT640-1GD3-L graphics card NVIDIA GeForce GT 640:1782 MHz
- HD7770-1GD5 graphics card AMD Radeon HD7770:4500 MHz
DVI-D ports quantity
- GT640-1GD3-L graphics card NVIDIA GeForce GT 640:1
- HD7770-1GD5 graphics card AMD Radeon HD7770:0

Side by side

Differences highlightedShow differences only

Comparison of GT640-1GD3-L, HD7770-1GD5
48 specifications	A ASUS GT640-1GD3-L graphics card NVIDIA GeForce GT 640 Model GT640-1GD3-L View product	B ASUS HD7770-1GD5 graphics card AMD Radeon HD7770 Model HD7770-1GD5 View product
Processor5 differ
Graphics processor familyDiffers	NVIDIA	AMD
Graphics processorDiffers	GeForce GT 640	Radeon HD7770
CUDADiffers	Yes	No
Processor frequencyDiffers	901 MHz	1000 MHz
Graphics card RAMDACKnown for one	Unknown — not stated by the source	400 MHz
Maximum displays per videocardKnown for one	Unknown — not stated by the source	3
Parallel processing technology supportDiffers	Not supported	2-Way CrossFireX
CUDA coresKnown for one	384	Unknown — not stated by the source
Memory2 differ
Graphics card memory typeDiffers	GDDR3	GDDR5
Memory clock speedDiffers	1782 MHz	4500 MHz
Ports & interfaces4 differ
DVI-D ports quantityDiffers	1	0
DVI-I ports quantityDiffers	0	1
DisplayPorts quantityDiffers	0	1
VGA (D-Sub) ports quantityDiffers	1	0
Performance1 differ
PhysXDiffers	Yes	No
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
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/Half-Length (FH/HL)
Number of slotsKnown for one	1	Unknown — not stated by the source
Power1 differ
Power consumption (typical)Differs	65 W	150 W
Supplementary power connectorsKnown for one	Unknown — not stated by the source	1x 6-pin
Minimum system power supplyKnown for one	350 W	Unknown — not stated by the source
Weight & dimensions1 differ
LengthKnown for one	Unknown — not stated by the source	190.5 mm
DepthKnown for one	Unknown — not stated by the source	38.1 mm
HeightDiffers	121.4 mm	134.6 mm
Packaging contentidentical
Cables includedKnown for one	Unknown — not stated by the source	CrossFire
Interface adapters includedKnown for one	Unknown — not stated by the source	DVI-I - VGA
User guideKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
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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