Product comparison · 2 gpus

GIGABYTE GV-N420-2GI graphics card NVIDIA GeForce GT 420 vs GIGABYTE GV-R799D5-6GD-B graphics card AMD Radeon HD7990

28specifications compared
17differ
11identical
15known for one product only

Key differences

Graphics processor family
- GV-N420-2GI graphics card NVIDIA GeForce GT 420:NVIDIA
- GV-R799D5-6GD-B graphics card AMD Radeon HD7990:AMD
Graphics processor
- GV-N420-2GI graphics card NVIDIA GeForce GT 420:GeForce GT 420
- GV-R799D5-6GD-B graphics card AMD Radeon HD7990:Radeon HD7990
Processor frequency
- GV-N420-2GI graphics card NVIDIA GeForce GT 420:700 MHz
- GV-R799D5-6GD-B graphics card AMD Radeon HD7990:950 MHz
Maximum displays per videocard
- GV-N420-2GI graphics card NVIDIA GeForce GT 420:2
- GV-R799D5-6GD-B graphics card AMD Radeon HD7990:5
Discrete graphics card memory
- GV-N420-2GI graphics card NVIDIA GeForce GT 420:2 GB
- GV-R799D5-6GD-B graphics card AMD Radeon HD7990:6 GB
Graphics card memory type
- GV-N420-2GI graphics card NVIDIA GeForce GT 420:GDDR3
- GV-R799D5-6GD-B graphics card AMD Radeon HD7990:GDDR5
Memory bus
- GV-N420-2GI graphics card NVIDIA GeForce GT 420:128 bit
- GV-R799D5-6GD-B graphics card AMD Radeon HD7990:768 bit
Memory clock speed
- GV-N420-2GI graphics card NVIDIA GeForce GT 420:1600 MHz
- GV-R799D5-6GD-B graphics card AMD Radeon HD7990:6000 MHz

Side by side

Differences highlightedShow differences only

Comparison of GV-N420-2GI, GV-R799D5-6GD-B
43 specifications	A GIGABYTE GV-N420-2GI graphics card NVIDIA GeForce GT 420 Model GV-N420-2GI View product	B GIGABYTE GV-R799D5-6GD-B graphics card AMD Radeon HD7990 Model GV-R799D5-6GD-B View product
Processor4 differ
Graphics processor familyDiffers	NVIDIA	AMD
Graphics processorDiffers	GeForce GT 420	Radeon HD7990
Maximum resolution	2560 x 1600 pixels	2560 x 1600 pixels
CUDAKnown for one	Yes	Unknown — not stated by the source
Processor frequencyDiffers	700 MHz	950 MHz
Shader clockKnown for one	1400 MHz	Unknown — not stated by the source
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	2	5
Processor boost clock speedKnown for one	Unknown — not stated by the source	1000 MHz
Memory4 differ
Discrete graphics card memoryDiffers	2 GB	6 GB
Graphics card memory typeDiffers	GDDR3	GDDR5
Memory busDiffers	128 bit	768 bit
Memory clock speedDiffers	1600 MHz	6000 MHz
Ports & interfaces3 differ
Interface typeDiffers	PCI Express 2.0	PCI Express 3.0
HDMI ports quantityDiffers	1	0
DVI-D ports quantity	0	0
DVI-I ports quantity	1	1
DisplayPorts quantityKnown for one	0	Unknown — not stated by the source
DVI ports quantityKnown for one	1	Unknown — not stated by the source
VGA (D-Sub) ports quantityDiffers	1	0
Mini DisplayPorts quantityKnown for one	Unknown — not stated by the source	4
Performance2 differ
PhysXDiffers	Yes	No
TV tuner integrated	No	No
DirectX versionDiffers	11	11.1
OpenGL version	4.2	4.2
HDCPKnown for one	Yes	Unknown — not stated by the source
Dual Link DVI	Yes	Yes
NVIDIA 3D VisionKnown for one	Yes	Unknown — not stated by the source
Full HD	Yes	Yes
Design1 differ
Cooling type	Active	Active
Bracket height	Full-Height (FH)	Full-Height (FH)
Form factorDiffers	Full-Height/Half-Length (FH/HL)	Full-Height/Full-Length (FH/FL)
Number of slotsKnown for one	1	Unknown — not stated by the source
Product colourKnown for one	Black, Blue	Unknown — not stated by the source
Poweridentical
Minimum system power supplyKnown for one	350 W	Unknown — not stated by the source
Power consumption (typical)Known for one	Unknown — not stated by the source	750 W
Supplementary power connectorsKnown for one	Unknown — not stated by the source	2x 8-pin
Weight & dimensions3 differ
LengthDiffers	187 mm	320 mm
DepthDiffers	36 mm	40 mm
HeightDiffers	127 mm	126 mm
Technical detailsidentical
Compliance certificatesKnown for one	RoHS	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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