Product comparison · 2 gpus

GIGABYTE GV-N640D5-1GL graphics card NVIDIA GeForce GT 640 vs GIGABYTE GV-N640OC-2GI REV. 2.0

26specifications compared
11differ
15identical
27known for one product only

Key differences

Processor frequency
- GV-N640D5-1GL graphics card NVIDIA GeForce GT 640:1046 MHz
- GV-N640OC-2GI REV. 2.0:900 MHz
Discrete graphics card memory
- GV-N640D5-1GL graphics card NVIDIA GeForce GT 640:1 GB
- GV-N640OC-2GI REV. 2.0:2 GB
Graphics card memory type
- GV-N640D5-1GL graphics card NVIDIA GeForce GT 640:GDDR5
- GV-N640OC-2GI REV. 2.0:GDDR3
Memory bus
- GV-N640D5-1GL graphics card NVIDIA GeForce GT 640:64 bit
- GV-N640OC-2GI REV. 2.0:128 bit
Memory clock speed
- GV-N640D5-1GL graphics card NVIDIA GeForce GT 640:5000 MHz
- GV-N640OC-2GI REV. 2.0:1800 MHz
Interface type
- GV-N640D5-1GL graphics card NVIDIA GeForce GT 640:PCI Express 2.0
- GV-N640OC-2GI REV. 2.0:PCI Express 3.0
DVI-D ports quantity
- GV-N640D5-1GL graphics card NVIDIA GeForce GT 640:1
- GV-N640OC-2GI REV. 2.0:2
DirectX version
- GV-N640D5-1GL graphics card NVIDIA GeForce GT 640:11
- GV-N640OC-2GI REV. 2.0:11.1

Side by side

Differences highlightedShow differences only

Comparison of GV-N640D5-1GL, GV-N640OC-2GI REV. 2.0
53 specifications	A GIGABYTE GV-N640D5-1GL graphics card NVIDIA GeForce GT 640 Model GV-N640D5-1GL View product	B GIGABYTE GV-N640OC-2GI REV. 2.0 View product
Processor1 differ
CUDAKnown for one	Yes	Unknown — not stated by the source
CUDA coresKnown for one	384	Unknown — not stated by the source
Processor frequencyDiffers	1046 MHz	900 MHz
FireStreamKnown for one	No	Unknown — not stated by the source
Graphics card RAMDACKnown for one	400 MHz	Unknown — not stated by the source
Parallel processing technology supportKnown for one	Not supported	Unknown — not stated by the source
Processor boost clock speedKnown for one	Unknown — not stated by the source	941 MHz
Memory4 differ
Discrete graphics card memoryDiffers	1 GB	2 GB
Graphics card memory typeDiffers	GDDR5	GDDR3
Memory busDiffers	64 bit	128 bit
Memory clock speedDiffers	5000 MHz	1800 MHz
Memory bandwidth (max)Known for one	40 GB/s	Unknown — not stated by the source
Ports & interfaces2 differ
Interface typeDiffers	PCI Express 2.0	PCI Express 3.0
DVI-D ports quantityDiffers	1	2
HDMI versionKnown for one	1.4a	Unknown — not stated by the source
DVI ports quantityKnown for one	1	Unknown — not stated by the source
TV-outKnown for one	No	Unknown — not stated by the source
Performance1 differ
DirectX versionDiffers	11	11.1
HDCPKnown for one	Yes	Unknown — not stated by the source
NVIDIA 3D VisionKnown for one	Yes	Unknown — not stated by the source
NVIDIA GameWorks VRKnown for one	No	Unknown — not stated by the source
NVIDIA G-SYNCKnown for one	No	Unknown — not stated by the source
Full HDKnown for one	Yes	Unknown — not stated by the source
Texture Fill Rate (TFR)Known for one	16.7 GTexel/s	Unknown — not stated by the source
Design1 differ
Form factorDiffers	Half-Height/Half-Length (HH/HL)	Full-Height/Half-Length (FH/HL)
Product colourKnown for one	Black, Blue	Unknown — not stated by the source
Bracket heightKnown for one	Unknown — not stated by the source	Full-Height (FH)
Poweridentical
Minimum system power supplyKnown for one	300 W	Unknown — not stated by the source
Power consumption (typical)Known for one	Unknown — not stated by the source	350 W
System requirementsidentical
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Mac operating systems supportedKnown for one	No	Unknown — not stated by the source
Weight & dimensions2 differ
LengthKnown for one	157 mm	Unknown — not stated by the source
DepthDiffers	22 mm	42 mm
HeightDiffers	120 mm	136.8 mm
Packaging contentidentical
Bundled softwareKnown for one	OC Guru II Drivers CD	Unknown — not stated by the source
Other featuresidentical
Mac compatibilityKnown for one	No	Unknown — not stated by the source
Number of processors installedKnown for one	1	Unknown — not stated by the source
Technical detailsidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS

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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