Product comparison · 2 gpus

ASUS HD7770-DC-1GD5-V2 graphics card AMD Radeon HD7770 vs GIGABYTE GV-R645-1GI graphics card AMD Radeon HD6450

27specifications compared
14differ
13identical
20known for one product only

Key differences

Graphics processor
- HD7770-DC-1GD5-V2 graphics card AMD Radeon HD7770:Radeon HD7770
- GV-R645-1GI graphics card AMD Radeon HD6450:Radeon HD6450
Processor frequency
- HD7770-DC-1GD5-V2 graphics card AMD Radeon HD7770:1020 MHz
- GV-R645-1GI graphics card AMD Radeon HD6450:625 MHz
Graphics card memory type
- HD7770-DC-1GD5-V2 graphics card AMD Radeon HD7770:GDDR5
- GV-R645-1GI graphics card AMD Radeon HD6450:GDDR3
Memory bus
- HD7770-DC-1GD5-V2 graphics card AMD Radeon HD7770:128 bit
- GV-R645-1GI graphics card AMD Radeon HD6450:64 bit
Memory clock speed
- HD7770-DC-1GD5-V2 graphics card AMD Radeon HD7770:4600 MHz
- GV-R645-1GI graphics card AMD Radeon HD6450:1100 MHz
Interface type
- HD7770-DC-1GD5-V2 graphics card AMD Radeon HD7770:PCI Express 3.0
- GV-R645-1GI graphics card AMD Radeon HD6450:PCI Express 2.1
DisplayPorts quantity
- HD7770-DC-1GD5-V2 graphics card AMD Radeon HD7770:1
- GV-R645-1GI graphics card AMD Radeon HD6450:0
DVI ports quantity
- HD7770-DC-1GD5-V2 graphics card AMD Radeon HD7770:2
- GV-R645-1GI graphics card AMD Radeon HD6450:1

Side by side

Differences highlightedShow differences only

Comparison of HD7770-DC-1GD5-V2, GV-R645-1GI
47 specifications	A ASUS HD7770-DC-1GD5-V2 graphics card AMD Radeon HD7770 Model HD7770-DC-1GD5-V2 View product	B GIGABYTE GV-R645-1GI graphics card AMD Radeon HD6450 Model GV-R645-1GI View product
Processor2 differ
Graphics processorDiffers	Radeon HD7770	Radeon HD6450
CUDAKnown for one	No	Unknown — not stated by the source
Processor frequencyDiffers	1020 MHz	625 MHz
FireStreamKnown for one	No	Unknown — not stated by the source
Graphics card RAMDACKnown for one	400 MHz	Unknown — not stated by the source
Maximum displays per videocardKnown for one	3	Unknown — not stated by the source
Processor coresKnown for one	1	Unknown — not stated by the source
Memory3 differ
Graphics card memory typeDiffers	GDDR5	GDDR3
Memory busDiffers	128 bit	64 bit
Memory clock speedDiffers	4600 MHz	1100 MHz
Ports & interfaces4 differ
Interface typeDiffers	PCI Express 3.0	PCI Express 2.1
DVI-I ports quantityKnown for one	1	Unknown — not stated by the source
DisplayPorts quantityDiffers	1	0
HDMI versionKnown for one	1.4a	Unknown — not stated by the source
DVI ports quantityDiffers	2	1
VGA (D-Sub) ports quantityDiffers	0	1
Performance1 differ
Shader model versionKnown for one	5.0	Unknown — not stated by the source
OpenGL versionDiffers	4.2	4.1
HDCPKnown for one	Yes	Unknown — not stated by the source
NVIDIA 3D VisionKnown for one	Yes	Unknown — not stated by the source
Design1 differ
Bracket heightKnown for one	Full-Height (FH)	Unknown — not stated by the source
Form factorDiffers	Full-Height/Half-Length (FH/HL)	Half-Height/Half-Length (HH/HL)
Number of slotsKnown for one	2	Unknown — not stated by the source
CertificationKnown for one	Unknown — not stated by the source	RoHS
Power1 differ
Minimum system power supplyDiffers	450 W	400 W
Supplementary power connectorsKnown for one	1x 6-pin	Unknown — not stated by the source
System requirementsidentical
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions2 differ
LengthKnown for one	236.2 mm	Unknown — not stated by the source
DepthDiffers	43.2 mm	22 mm
HeightDiffers	139.7 mm	122 mm
Packaging contentidentical
Interface adapters includedKnown for one	DVI-I - VGA	Unknown — not stated by the source
ManualKnown for one	Yes	Unknown — not stated by the source
User guideKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Mac compatibilityKnown for one	No	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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