Product comparison · 2 gpus

MSI Radeon HD 3870X2 1GB GDDR3 vs MSI RADEON™ X1550 256MB DDR2

Key differences

Processor frequency
- Radeon HD 3870X2 1GB GDDR3:825 MHz
- RADEON™ X1550 256MB DDR2:550 MHz
Graphics card memory type
- Radeon HD 3870X2 1GB GDDR3:GDDR3
- RADEON™ X1550 256MB DDR2:GDDR2
Memory bus
- Radeon HD 3870X2 1GB GDDR3:256 bit
- RADEON™ X1550 256MB DDR2:128 bit
Memory clock speed
- Radeon HD 3870X2 1GB GDDR3:1800 MHz
- RADEON™ X1550 256MB DDR2:800 MHz
DVI ports quantity
- Radeon HD 3870X2 1GB GDDR3:2
- RADEON™ X1550 256MB DDR2:1
DirectX version
- Radeon HD 3870X2 1GB GDDR3:10.1
- RADEON™ X1550 256MB DDR2:9.0
Shader model version
- Radeon HD 3870X2 1GB GDDR3:4.1
- RADEON™ X1550 256MB DDR2:3.0
OpenGL version
- Radeon HD 3870X2 1GB GDDR3:2.1
- RADEON™ X1550 256MB DDR2:2.0

Differences highlightedShow differences only

Comparison of Radeon HD 3870X2 1GB GDDR3, RADEON™ X1550 256MB DDR2
24 specifications	A MSI Radeon HD 3870X2 1GB GDDR3 View product	B MSI RADEON™ X1550 256MB DDR2 View product
Processor1 differ
Maximum resolution	2560 x 1600 pixels	2560 x 1600 pixels
Processor frequencyDiffers	825 MHz	550 MHz
Graphics card RAMDAC	400 MHz	400 MHz
Graphics processorKnown for one	Unknown — not stated by the source	Radeon X1550
Memory3 differ
Discrete graphics card memoryKnown for one	1 GB	Unknown — not stated by the source
Graphics card memory typeDiffers	GDDR3	GDDR2
Memory busDiffers	256 bit	128 bit
Memory clock speedDiffers	1800 MHz	800 MHz
Ports & interfaces1 differ
Interface type	PCI Express 2.0	PCI Express 2.0
HDMI ports quantityKnown for one	1	Unknown — not stated by the source
DVI ports quantityDiffers	2	1
Dual VGAKnown for one	Yes	Unknown — not stated by the source
TV-outKnown for one	Unknown — not stated by the source	Yes
VGA (D-Sub) ports quantityKnown for one	Unknown — not stated by the source	1
Performance3 differ
DirectX versionDiffers	10.1	9.0
Shader model versionDiffers	4.1	3.0
OpenGL versionDiffers	2.1	2.0
HDCPKnown for one	Yes	Unknown — not stated by the source
Dual Link DVIKnown for one	Yes	Unknown — not stated by the source
Full HD	Yes	Yes
Video formats supportedKnown for one	H.264, VC-1	Unknown — not stated by the source
Designidentical
Cooling type	Active	Active
Other featuresidentical
Mac compatibility	No	No
HDMIKnown for one	Yes	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.