Product comparison · 2 gpus

GIGABYTE GV-R645SL-1GI graphics card AMD Radeon HD6450 vs GIGABYTE GV-R687UD-1GD graphics card AMD Radeon HD6870

30specifications compared
12differ
18identical
9known for one product only

Key differences

Graphics processor
- GV-R645SL-1GI graphics card AMD Radeon HD6450:Radeon HD6450
- GV-R687UD-1GD graphics card AMD Radeon HD6870:Radeon HD6870
Processor frequency
- GV-R645SL-1GI graphics card AMD Radeon HD6450:625 MHz
- GV-R687UD-1GD graphics card AMD Radeon HD6870:900 MHz
Graphics card memory type
- GV-R645SL-1GI graphics card AMD Radeon HD6450:GDDR3
- GV-R687UD-1GD graphics card AMD Radeon HD6870:GDDR5
Memory bus
- GV-R645SL-1GI graphics card AMD Radeon HD6450:64 bit
- GV-R687UD-1GD graphics card AMD Radeon HD6870:256 bit
Memory clock speed
- GV-R645SL-1GI graphics card AMD Radeon HD6450:1333 MHz
- GV-R687UD-1GD graphics card AMD Radeon HD6870:4200 MHz
HDMI ports quantity
- GV-R645SL-1GI graphics card AMD Radeon HD6450:0
- GV-R687UD-1GD graphics card AMD Radeon HD6870:1
VGA (D-Sub) ports quantity
- GV-R645SL-1GI graphics card AMD Radeon HD6450:1
- GV-R687UD-1GD graphics card AMD Radeon HD6870:0
HDCP
- GV-R645SL-1GI graphics card AMD Radeon HD6450:No
- GV-R687UD-1GD graphics card AMD Radeon HD6870:Yes

Side by side

Differences highlightedShow differences only

Comparison of GV-R645SL-1GI, GV-R687UD-1GD
39 specifications	A GIGABYTE GV-R645SL-1GI graphics card AMD Radeon HD6450 Model GV-R645SL-1GI View product	B GIGABYTE GV-R687UD-1GD graphics card AMD Radeon HD6870 Model GV-R687UD-1GD View product
Processor2 differ
Graphics processor family	AMD	AMD
Graphics processorDiffers	Radeon HD6450	Radeon HD6870
Maximum resolution	2560 x 1600 pixels	2560 x 1600 pixels
CUDA	No	No
Processor frequencyDiffers	625 MHz	900 MHz
Maximum analog resolution	2048 x 1536 pixels	2048 x 1536 pixels
Maximum digital resolution	2560 x 1600 pixels	2560 x 1600 pixels
Parallel processing technology supportKnown for one	2-Way SLI	Unknown — not stated by the source
Memory3 differ
Discrete graphics card memory	1 GB	1 GB
Graphics card memory typeDiffers	GDDR3	GDDR5
Memory busDiffers	64 bit	256 bit
Memory clock speedDiffers	1333 MHz	4200 MHz
Ports & interfaces2 differ
Interface type	PCI Express 2.1	PCI Express 2.1
HDMI ports quantityDiffers	0	1
DVI-D ports quantity	1	1
DVI-I ports quantity	1	1
DisplayPorts quantity	0	0
Mini DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
VGA (D-Sub) ports quantityDiffers	1	0
Performance1 differ
PhysX	No	No
TV tuner integrated	No	No
DirectX version	11	11
OpenGL version	4.1	4.1
HDCPDiffers	No	Yes
Dual Link DVIKnown for one	Unknown — not stated by the source	Yes
Full HD	Yes	Yes
Design2 differ
Cooling typeDiffers	Passive	Active
Bracket height	Full-Height (FH)	Full-Height (FH)
Form factorDiffers	Half-Height/Half-Length (HH/HL)	Full-Height/Full-Length (FH/FL)
Number of slotsKnown for one	Unknown — not stated by the source	2
CertificationKnown for one	Unknown — not stated by the source	RoHS
Poweridentical
Minimum system power supplyKnown for one	Unknown — not stated by the source	500 W
Power consumption (typical)Known for one	400 W	Unknown — not stated by the source
System requirementsidentical
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64
Weight & dimensions2 differ
LengthDiffers	179 mm	290 mm
DepthDiffers	21 mm	38 mm
Height	126 mm	126 mm
Other featuresidentical
Mac compatibilityKnown for one	Unknown — not stated by the source	No
HDMI	Yes	Yes

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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