Product comparison · 2 gpus

GIGABYTE GV-N640D3-2GI graphics card NVIDIA GeForce GT 640 vs GIGABYTE GV-R775OC-2GI graphics card AMD Radeon HD7750

35specifications compared
12differ
23identical
9known for one product only

Key differences

Graphics processor family
- GV-N640D3-2GI graphics card NVIDIA GeForce GT 640:NVIDIA
- GV-R775OC-2GI graphics card AMD Radeon HD7750:AMD
Graphics processor
- GV-N640D3-2GI graphics card NVIDIA GeForce GT 640:GeForce GT 640
- GV-R775OC-2GI graphics card AMD Radeon HD7750:Radeon HD7750
Processor frequency
- GV-N640D3-2GI graphics card NVIDIA GeForce GT 640:900 MHz
- GV-R775OC-2GI graphics card AMD Radeon HD7750:850 MHz
Maximum displays per videocard
- GV-N640D3-2GI graphics card NVIDIA GeForce GT 640:4
- GV-R775OC-2GI graphics card AMD Radeon HD7750:2
Memory clock speed
- GV-N640D3-2GI graphics card NVIDIA GeForce GT 640:1800 MHz
- GV-R775OC-2GI graphics card AMD Radeon HD7750:1600 MHz
PhysX
- GV-N640D3-2GI graphics card NVIDIA GeForce GT 640:Yes
- GV-R775OC-2GI graphics card AMD Radeon HD7750:No
DirectX version
- GV-N640D3-2GI graphics card NVIDIA GeForce GT 640:11
- GV-R775OC-2GI graphics card AMD Radeon HD7750:11.1
OpenGL version
- GV-N640D3-2GI graphics card NVIDIA GeForce GT 640:4.2
- GV-R775OC-2GI graphics card AMD Radeon HD7750:4.1

Side by side

Differences highlightedShow differences only

Comparison of GV-N640D3-2GI, GV-R775OC-2GI
44 specifications	A GIGABYTE GV-N640D3-2GI graphics card NVIDIA GeForce GT 640 Model GV-N640D3-2GI View product	B GIGABYTE GV-R775OC-2GI graphics card AMD Radeon HD7750 Model GV-R775OC-2GI View product
Processor4 differ
Graphics processor familyDiffers	NVIDIA	AMD
Graphics processorDiffers	GeForce GT 640	Radeon HD7750
Maximum resolution	2560 x 1600 pixels	2560 x 1600 pixels
CUDAKnown for one	Yes	Unknown — not stated by the source
CUDA coresKnown for one	384	Unknown — not stated by the source
Processor frequencyDiffers	900 MHz	850 MHz
FireStreamKnown for one	No	Unknown — not stated by the source
Maximum analog resolution	2048 x 1536 pixels	2048 x 1536 pixels
Maximum digital resolution	2560 x 1600 pixels	2560 x 1600 pixels
Maximum displays per videocardDiffers	4	2
Parallel processing technology supportKnown for one	Not supported	Unknown — not stated by the source
Memory1 differ
Discrete graphics card memory	2 GB	2 GB
Graphics card memory type	GDDR3	GDDR3
Memory bus	128 bit	128 bit
Memory clock speedDiffers	1800 MHz	1600 MHz
Ports & interfacesidentical
Interface type	PCI Express 3.0	PCI Express 3.0
HDMI ports quantity	1	1
DVI-D ports quantity	2	2
DVI-I ports quantityKnown for one	0	Unknown — not stated by the source
DisplayPorts quantity	0	0
DVI ports quantity	2	2
VGA (D-Sub) ports quantity	1	1
Performance3 differ
PhysXDiffers	Yes	No
TV tuner integrated	No	No
DirectX versionDiffers	11	11.1
OpenGL versionDiffers	4.2	4.1
Dual Link DVI	Yes	Yes
NVIDIA 3D VisionKnown for one	Yes	Unknown — not stated by the source
Full HD	Yes	Yes
Shader model versionKnown for one	Unknown — not stated by the source	5.0
Designidentical
Cooling type	Active	Active
Bracket height	Full-Height (FH)	Full-Height (FH)
Form factor	Full-Height/Half-Length (FH/HL)	Full-Height/Half-Length (FH/HL)
Number of slots	2	2
Product colourKnown for one	Black, Blue	Unknown — not stated by the source
Power1 differ
Minimum system power supplyDiffers	350 W	400 W
System requirementsidentical
Windows operating systems supported	Yes	Yes
Weight & dimensions3 differ
LengthDiffers	190 mm	195 mm
DepthDiffers	42 mm	40 mm
HeightDiffers	136.8 mm	136.5 mm
Other featuresidentical
Mac compatibility	No	No
HDMI	Yes	Yes
Number of processors installed	1	1
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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