Product comparison · 2 gpus

Lenovo 45K1673 graphics card vs Lenovo 55Y9275 graphics card GDDR2

Key differences

Maximum resolution
- 45K1673 graphics card:2560 x 1600 pixels
- 55Y9275 graphics card GDDR2:1920 x 1200 pixels
Graphics card memory type
- 45K1673 graphics card:GDDR3
- 55Y9275 graphics card GDDR2:GDDR2
Memory bus
- 45K1673 graphics card:256 bit
- 55Y9275 graphics card GDDR2:64 bit
Memory bandwidth (max)
- 45K1673 graphics card:51.2 GB/s
- 55Y9275 graphics card GDDR2:8 GB/s
OpenGL version
- 45K1673 graphics card:3.0
- 55Y9275 graphics card GDDR2:2.1

Differences highlightedShow differences only

Comparison of 45K1673, 55Y9275
18 specifications	A Lenovo 45K1673 graphics card Model 45K1673 View product	B Lenovo 55Y9275 graphics card GDDR2 Model 55Y9275 View product
Processor1 differ
Maximum resolutionDiffers	2560 x 1600 pixels	1920 x 1200 pixels
Graphics card RAMDACKnown for one	400 MHz	Unknown — not stated by the source
Memory3 differ
Graphics card memory typeDiffers	GDDR3	GDDR2
Memory busDiffers	256 bit	64 bit
Memory bandwidth (max)Differs	51.2 GB/s	8 GB/s
Discrete graphics card memoryKnown for one	1 GB	Unknown — not stated by the source
Ports & interfacesidentical
Interface type	PCI Express x16	PCI Express x16
I/O portsKnown for one	Unknown — not stated by the source	DMS59
DVI-I ports quantityKnown for one	1	Unknown — not stated by the source
Performance1 differ
DirectX version	10.0	10.0
Shader model version	4.0	4.0
OpenGL versionDiffers	3.0	2.1
Designidentical
Cooling type	Active	Active
Weight & dimensionsidentical
WeightKnown for one	Unknown — not stated by the source	430 g
LengthKnown for one	Unknown — not stated by the source	167 mm
DepthKnown for one	Unknown — not stated by the source	21 mm
HeightKnown for one	Unknown — not stated by the source	69 mm
Other featuresidentical
Mac compatibility	No	No

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.