Product comparison · 2 gpus

GIGABYTE GV-N640D3-2GI graphics card NVIDIA GeForce GT 640 vs GIGABYTE GV-N650OC-1GI graphics card NVIDIA GeForce GTX 650

37specifications compared
8differ
29identical
19known for one product only

Key differences

Graphics processor
- GV-N640D3-2GI graphics card NVIDIA GeForce GT 640:GeForce GT 640
- GV-N650OC-1GI graphics card NVIDIA GeForce GTX 650:GeForce GTX 650
Processor frequency
- GV-N640D3-2GI graphics card NVIDIA GeForce GT 640:900 MHz
- GV-N650OC-1GI graphics card NVIDIA GeForce GTX 650:1058 MHz
Discrete graphics card memory
- GV-N640D3-2GI graphics card NVIDIA GeForce GT 640:2 GB
- GV-N650OC-1GI graphics card NVIDIA GeForce GTX 650:1 GB
Graphics card memory type
- GV-N640D3-2GI graphics card NVIDIA GeForce GT 640:GDDR3
- GV-N650OC-1GI graphics card NVIDIA GeForce GTX 650:GDDR5
Memory clock speed
- GV-N640D3-2GI graphics card NVIDIA GeForce GT 640:1800 MHz
- GV-N650OC-1GI graphics card NVIDIA GeForce GTX 650:5000 MHz
Minimum system power supply
- GV-N640D3-2GI graphics card NVIDIA GeForce GT 640:350 W
- GV-N650OC-1GI graphics card NVIDIA GeForce GTX 650:400 W
Length
- GV-N640D3-2GI graphics card NVIDIA GeForce GT 640:190 mm
- GV-N650OC-1GI graphics card NVIDIA GeForce GTX 650:188 mm
Height
- GV-N640D3-2GI graphics card NVIDIA GeForce GT 640:136.8 mm
- GV-N650OC-1GI graphics card NVIDIA GeForce GTX 650:131 mm

Side by side

Differences highlightedShow differences only

Comparison of GV-N640D3-2GI, GV-N650OC-1GI
56 specifications	A GIGABYTE GV-N640D3-2GI graphics card NVIDIA GeForce GT 640 Model GV-N640D3-2GI View product	B GIGABYTE GV-N650OC-1GI graphics card NVIDIA GeForce GTX 650 Model GV-N650OC-1GI View product
Processor2 differ
Graphics processorDiffers	GeForce GT 640	GeForce GTX 650
Processor frequencyDiffers	900 MHz	1058 MHz
Processor boost clock speedKnown for one	Unknown — not stated by the source	1110 MHz
Graphics card RAMDACKnown for one	Unknown — not stated by the source	400 MHz
Stream processorsKnown for one	Unknown — not stated by the source	384
Maximum resolutionKnown for one	2560 x 1600 pixels	Unknown — not stated by the source
FireStreamKnown for one	No	Unknown — not stated by the source
Memory3 differ
Discrete graphics card memoryDiffers	2 GB	1 GB
Graphics card memory typeDiffers	GDDR3	GDDR5
Memory clock speedDiffers	1800 MHz	5000 MHz
Memory bandwidth (max)Known for one	Unknown — not stated by the source	80 GB/s
Ports & interfacesidentical
HDMI versionKnown for one	Unknown — not stated by the source	1.4a
Performanceidentical
Shader model versionKnown for one	Unknown — not stated by the source	5.0
HDCPKnown for one	Unknown — not stated by the source	Yes
NVIDIA GameWorks VRKnown for one	Unknown — not stated by the source	No
NVIDIA G-SYNCKnown for one	Unknown — not stated by the source	No
Designidentical
Product colourKnown for one	Black, Blue	Unknown — not stated by the source
Power1 differ
Minimum system power supplyDiffers	350 W	400 W
Power consumption (typical)Known for one	Unknown — not stated by the source	64 W
Supplementary power connectorsKnown for one	Unknown — not stated by the source	1x 6-pin
Weight & dimensions2 differ
LengthDiffers	190 mm	188 mm
HeightDiffers	136.8 mm	131 mm
Packaging contentidentical
User guideKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Graphics card familyKnown for one	Unknown — not stated by the source	NVIDIA
Maximum operating temperatureKnown for one	Unknown — not stated by the source	98 °C
Mac compatibilityKnown for one	No	Unknown — not stated by the source
System requirementsidentical
Windows operating systems supportedKnown for one	Yes	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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