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

Add a product
  • 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 (on)
Comparison of GV-N420-2GI, GV-R799D5-6GD-B
43 specifications
Processor4 differ
Graphics processor familyDiffersNVIDIAAMD
Graphics processorDiffersGeForce GT 420Radeon HD7990
CUDAKnown for oneYesUnknown — not stated by the source
Processor frequencyDiffers700 MHz950 MHz
Shader clockKnown for one1400 MHzUnknown — not stated by the source
FireStreamKnown for oneNoUnknown — not stated by the source
Maximum displays per videocardDiffers25
Processor boost clock speedKnown for oneUnknown — not stated by the source1000 MHz
Memory4 differ
Discrete graphics card memoryDiffers2 GB6 GB
Graphics card memory typeDiffersGDDR3GDDR5
Memory busDiffers128 bit768 bit
Memory clock speedDiffers1600 MHz6000 MHz
Ports & interfaces3 differ
Interface typeDiffersPCI Express 2.0PCI Express 3.0
HDMI ports quantityDiffers10
DisplayPorts quantityKnown for one0Unknown — not stated by the source
DVI ports quantityKnown for one1Unknown — not stated by the source
VGA (D-Sub) ports quantityDiffers10
Mini DisplayPorts quantityKnown for oneUnknown — not stated by the source4
Performance2 differ
PhysXDiffersYesNo
DirectX versionDiffers1111.1
HDCPKnown for oneYesUnknown — not stated by the source
NVIDIA 3D VisionKnown for oneYesUnknown — not stated by the source
Design1 differ
Form factorDiffersFull-Height/Half-Length (FH/HL)Full-Height/Full-Length (FH/FL)
Number of slotsKnown for one1Unknown — not stated by the source
Product colourKnown for oneBlack, BlueUnknown — not stated by the source
Poweridentical
Minimum system power supplyKnown for one350 WUnknown — not stated by the source
Power consumption (typical)Known for oneUnknown — not stated by the source750 W
Supplementary power connectorsKnown for oneUnknown — not stated by the source2x 8-pin
Weight & dimensions3 differ
LengthDiffers187 mm320 mm
DepthDiffers36 mm40 mm
HeightDiffers127 mm126 mm
Technical detailsidentical
Compliance certificatesKnown for oneRoHSUnknown — 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.

More gpu comparisons

All gpu comparisons