Matrox M9138-E1024LAF graphics card vs Matrox M9148 LP PCIe x16

Comparison of M9138-E1024LAF, M9148 LP PCIe x16

23 specifications	A Matrox M9138-E1024LAF graphics card Model M9138-E1024LAF View product	B Matrox M9148 LP PCIe x16View product
Processor1 differ
Graphics processor familyKnown for one	—Unknown — not stated by the source	Matrox
Graphics processorKnown for one	—Unknown — not stated by the source	M9148
Maximum resolution	2560 x 1600 pixels	2560 x 1600 pixels
Maximum displays per videocardDiffers	3	4
Memoryidentical
Discrete graphics card memory	1 GB	1 GB
Graphics card memory type	GDDR2	GDDR2
Memory bus	128 bit	128 bit
Ports & interfaces1 differ
Interface type	PCI Express x16	PCI Express x16
I/O portsDiffers	On-board Connectors: 3 x Mini DisplayPort Adapters (included): 3 x Mini DisplayPort to DisplayPort	On-board Connectors: 4 x Mini DisplayPort Adapters (included): 4 x Mini DisplayPort to DisplayPort 4 x DisplayPort to DVI
DVI ports quantityKnown for one	0	—Unknown — not stated by the source
Performanceidentical
TV tuner integratedKnown for one	—Unknown — not stated by the source	No
DirectX version	No	No
OpenGL version	2.0	2.0
Designidentical
Cooling type	Passive	Passive
Form factor	Half-Height/Half-Length (HH/HL)	Half-Height/Half-Length (HH/HL)
Certification	EMC Certifications: Class B ROHS & WEEE compliant	EMC Certifications: Class B ROHS & WEEE compliant
Weight & dimensionsidentical
Length	168 mm	168 mm
Depth	19 mm	19 mm
Height	69 mm	69 mm
Other featuresidentical
Mac compatibility	No	No
Compatible operating systems	Microsoft Windows 7 (32/64bit)*, Microsoft Windows XP (32/64bit), Microsoft Windows Vista (32/64bit)*, Microsoft Windows Server 2003/2008 (32/64bit), Linux see Website for details	Microsoft Windows 7 (32/64bit)*, Microsoft Windows XP (32/64bit), Microsoft Windows Vista (32/64bit)*, Microsoft Windows Server 2003/2008 (32/64bit), Linux see Website for details
Number of processors installed	1	1
Logistics dataidentical
Harmonized System (HS) code	84733020	84733020

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.