Product comparison · 2 gpus

CLUB3D GeForce GT 640 1024MB DDR3 vs CLUB3D GeForce GT 640 2048MB DDR3

45specifications compared
9differ
36identical
0known for one product only

Key differences

The CLUB3D GeForce GT 640 2048MB DDR3 has 1 GB more discrete graphics card memory than the CLUB3D GeForce GT 640 1024MB DDR3 (2 GB vs 1 GB). The CLUB3D GeForce GT 640 2048MB DDR3 has 48 g more weight than the CLUB3D GeForce GT 640 1024MB DDR3 (201 g vs 153 g). The CLUB3D GeForce GT 640 1024MB DDR3 has 10 mm more length than the CLUB3D GeForce GT 640 2048MB DDR3 (155 mm vs 145 mm). Dimensions (WxDxH): 155 x 65 x 16 mm on the CLUB3D GeForce GT 640 1024MB DDR3, 145 x 111 x 18 mm on the CLUB3D GeForce GT 640 2048MB DDR3.

Discrete graphics card memory
- GeForce GT 640 1024MB DDR3:1 GB
- GeForce GT 640 2048MB DDR3:2 GB
Weight
- GeForce GT 640 1024MB DDR3:153 g
- GeForce GT 640 2048MB DDR3:201 g
Length
- GeForce GT 640 1024MB DDR3:155 mm
- GeForce GT 640 2048MB DDR3:145 mm
Depth
- GeForce GT 640 1024MB DDR3:16 mm
- GeForce GT 640 2048MB DDR3:18 mm
Height
- GeForce GT 640 1024MB DDR3:65 mm
- GeForce GT 640 2048MB DDR3:111 mm
Package depth
- GeForce GT 640 1024MB DDR3:139 mm
- GeForce GT 640 2048MB DDR3:75 mm
Package height
- GeForce GT 640 1024MB DDR3:75 mm
- GeForce GT 640 2048MB DDR3:139 mm
Dimensions (WxDxH)
- GeForce GT 640 1024MB DDR3:155 x 65 x 16 mm
- GeForce GT 640 2048MB DDR3:145 x 111 x 18 mm

Side by side

Differences highlightedShow differences only

Comparison of GeForce GT 640 1024MB DDR3, GeForce GT 640 2048MB DDR3
45 specifications	A CLUB3D GeForce GT 640 1024MB DDR3 View product	B CLUB3D GeForce GT 640 2048MB DDR3 View product
Processoridentical
Graphics processor family	NVIDIA	NVIDIA
Graphics processor	GeForce GT 640	GeForce GT 640
Maximum resolution	2560 x 1600 pixels	2560 x 1600 pixels
CUDA	Yes	Yes
CUDA cores	384	384
Processor frequency	900 MHz	900 MHz
Processor boost clock speed	955 MHz	955 MHz
Graphics card RAMDAC	400 MHz	400 MHz
Maximum displays per videocard	2	2
Parallel processing technology support	Not supported	Not supported
Memory1 differ
Discrete graphics card memoryDiffers	1 GB	2 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
HDMI version	1.4a	1.4a
VGA (D-Sub) ports quantity	1	1
Performanceidentical
PhysX	Yes	Yes
TV tuner integrated	No	No
DirectX version	11.1	11.1
Shader model version	5.0	5.0
OpenGL version	4.2	4.2
HDCP	Yes	Yes
Dual Link DVI	Yes	Yes
NVIDIA 3D Vision	Yes	Yes
Designidentical
Cooling type	Active	Active
Form factor	Half-Height/Half-Length (HH/HL)	Half-Height/Half-Length (HH/HL)
Number of slots	1	1
Poweridentical
Minimum system power supply	350 W	350 W
Power consumption (typical)	50 W	50 W
System requirements1 differ
Windows operating systems supportedDiffers	Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows Vista Business, Windows Vista Business x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Windows Vista Home Premium, Windows Vista Ul	Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows Vista Business, Windows Vista Business x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Windows Vista Home Premium, Windows Vista Ho
Minimum RAM	2048 MB	2048 MB
Minimum storage drive space	300 MB	300 MB
Weight & dimensions4 differ
WeightDiffers	153 g	201 g
LengthDiffers	155 mm	145 mm
DepthDiffers	16 mm	18 mm
HeightDiffers	65 mm	111 mm
Packaging data2 differ
Package width	225 mm	225 mm
Package depthDiffers	139 mm	75 mm
Package heightDiffers	75 mm	139 mm
Packaging contentidentical
User guide	Yes	Yes
Other features1 differ
HDMI	Yes	Yes
Dimensions (WxDxH)Differs	155 x 65 x 16 mm	145 x 111 x 18 mm

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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