Product comparison · 2 gpus

MSI V809-421R graphics card NVIDIA GeForce GT 640 vs MSI V809-440R graphics card NVIDIA GeForce GT 640

25specifications compared
2differ
23identical
22known for one product only

Key differences

Discrete graphics card memory
- V809-421R graphics card NVIDIA GeForce GT 640:1 GB
- V809-440R graphics card NVIDIA GeForce GT 640:4 GB
DirectX version
- V809-421R graphics card NVIDIA GeForce GT 640:11.1
- V809-440R graphics card NVIDIA GeForce GT 640:11

Side by side

Differences highlightedShow differences only

Comparison of V809-421R, V809-440R
47 specifications	A MSI V809-421R graphics card NVIDIA GeForce GT 640 Model V809-421R View product	B MSI V809-440R graphics card NVIDIA GeForce GT 640 Model V809-440R View product
Processoridentical
Graphics processor family	NVIDIA	NVIDIA
Graphics processor	GeForce GT 640	GeForce GT 640
Maximum resolutionKnown for one	Unknown — not stated by the source	2560 x 1600 pixels
CUDAKnown for one	Unknown — not stated by the source	Yes
CUDA coresKnown for one	Unknown — not stated by the source	384
Processor frequency	902 MHz	902 MHz
Graphics card RAMDACKnown for one	Unknown — not stated by the source	400 MHz
Maximum analog resolutionKnown for one	Unknown — not stated by the source	2048 x 1536 pixels
Maximum digital resolutionKnown for one	Unknown — not stated by the source	2560 x 1600 pixels
Maximum displays per videocardKnown for one	Unknown — not stated by the source	3
Parallel processing technology supportKnown for one	Unknown — not stated by the source	Not supported
FireStreamKnown for one	No	Unknown — not stated by the source
Memory1 differ
Discrete graphics card memoryDiffers	1 GB	4 GB
Graphics card memory type	GDDR3	GDDR3
Memory bus	128 bit	128 bit
Memory clock speed	1782 MHz	1782 MHz
Ports & interfacesidentical
Interface type	PCI Express 3.0	PCI Express 3.0
HDMI ports quantity	1	1
DVI-D ports quantity	1	1
DVI-I ports quantity	0	0
DisplayPorts quantity	0	0
HDMI version	1.4a	1.4a
DVI ports quantityKnown for one	Unknown — not stated by the source	1
VGA (D-Sub) ports quantity	1	1
Performance1 differ
PhysX	Yes	Yes
TV tuner integrated	No	No
DirectX versionDiffers	11.1	11
OpenGL version	4.2	4.2
HDCP	Yes	Yes
Dual Link DVI	Yes	Yes
NVIDIA 3D Vision	Yes	Yes
Full HDKnown for one	Unknown — not stated by the source	Yes
Designidentical
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 slotsKnown for one	Unknown — not stated by the source	2
Product colourKnown for one	Unknown — not stated by the source	Black, Blue
Poweridentical
Minimum system power supplyKnown for one	Unknown — not stated by the source	350 W
System requirementsidentical
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Mac operating systems supportedKnown for one	Unknown — not stated by the source	No
Weight & dimensionsidentical
Length	154 mm	154 mm
Depth	34 mm	34 mm
Height	110 mm	110 mm
Packaging contentidentical
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
Bundled softwareKnown for one	Unknown — not stated by the source	Driver disk Afterburner utility
Other featuresidentical
Mac compatibilityKnown for one	Unknown — not stated by the source	No

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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