Product comparison · 2 gpus

ASUS EAH4870/HTDI/1G graphics card vs Lenovo 45J7917 graphics card GDDR2

Key differences

Graphics card memory type
- EAH4870/HTDI/1G graphics card:GDDR5
- 45J7917 graphics card GDDR2:GDDR2
Memory bus
- EAH4870/HTDI/1G graphics card:256 bit
- 45J7917 graphics card GDDR2:128 bit
Interface type
- EAH4870/HTDI/1G graphics card:PCI Express 2.0
- 45J7917 graphics card GDDR2:PCI Express x16
VGA (D-Sub) ports quantity
- EAH4870/HTDI/1G graphics card:1
- 45J7917 graphics card GDDR2:2
DirectX version
- EAH4870/HTDI/1G graphics card:10.1
- 45J7917 graphics card GDDR2:10.0
Shader model version
- EAH4870/HTDI/1G graphics card:4.1
- 45J7917 graphics card GDDR2:4.0

Differences highlightedShow differences only

Comparison of EAH4870/HTDI/1G, 45J7917
24 specifications	A ASUS EAH4870/HTDI/1G graphics card Model EAH4870/HTDI/1G View product	B Lenovo 45J7917 graphics card GDDR2 Model 45J7917 View product
Processoridentical
Maximum resolution	2560 x 1600 pixels	2560 x 1600 pixels
Processor frequencyKnown for one	750 MHz	Unknown — not stated by the source
Graphics card RAMDACKnown for one	400 MHz	Unknown — not stated by the source
Memory2 differ
Discrete graphics card memoryKnown for one	1 GB	Unknown — not stated by the source
Graphics card memory typeDiffers	GDDR5	GDDR2
Memory busDiffers	256 bit	128 bit
Memory clock speedKnown for one	3600 MHz	Unknown — not stated by the source
Data transfer rateKnown for one	Unknown — not stated by the source	12.8 Gbit/s
Ports & interfaces2 differ
Interface typeDiffers	PCI Express 2.0	PCI Express x16
DVI-I ports quantityKnown for one	2	Unknown — not stated by the source
HDMI versionKnown for one	1.3	Unknown — not stated by the source
DVI ports quantity	2	2
TV-outKnown for one	Yes	Unknown — not stated by the source
VGA (D-Sub) ports quantityDiffers	1	2
I/O portsKnown for one	HDTV Output (YPbPr)	Unknown — not stated by the source
Dual VGAKnown for one	Unknown — not stated by the source	Yes
Performance2 differ
DirectX versionDiffers	10.1	10.0
Shader model versionDiffers	4.1	4.0
OpenGL version	2.1	2.1
HDCPKnown for one	Yes	Unknown — not stated by the source
Dual Link DVI	Yes	Yes
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.