Product comparison · 2 gpus

Lenovo 45K1672 graphics card GDDR3 vs Lenovo 51J0511 graphics card

Key differences

Memory bus
- 45K1672 graphics card GDDR3:192 bit
- 51J0511 graphics card:128 bit
Interface type
- 45K1672 graphics card GDDR3:PCI Express x16
- 51J0511 graphics card:PCI Express 2.0
DirectX version
- 45K1672 graphics card GDDR3:10
- 51J0511 graphics card:10.1
OpenGL version
- 45K1672 graphics card GDDR3:3.0
- 51J0511 graphics card:2.1
Length
- 45K1672 graphics card GDDR3:198.1 mm
- 51J0511 graphics card:234 mm

Differences highlightedShow differences only

Comparison of 45K1672, 51J0511
19 specifications	A Lenovo 45K1672 graphics card GDDR3 Model 45K1672 View product	B Lenovo 51J0511 graphics card Model 51J0511 View product
Processoridentical
Maximum resolution	2560 x 1600 pixels	2560 x 1600 pixels
Graphics card RAMDACKnown for one	400 MHz	Unknown — not stated by the source
Memory1 differ
Graphics card memory type	GDDR3	GDDR3
Memory busDiffers	192 bit	128 bit
Memory bandwidth (max)Known for one	38.4 GB/s	Unknown — not stated by the source
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	1 GB
Ports & interfaces1 differ
Interface typeDiffers	PCI Express x16	PCI Express 2.0
DVI-I ports quantity	1	1
I/O portsKnown for one	1 DVI-I (dual-link); 2 DisplayPort One DisplayPort to DVI-D and one DVI to VGA adapter included ('DisplayPort to VGA' and 'DisplayPort to Dual Link DVI' adapters available as an accessory)	Unknown — not stated by the source
Performance2 differ
DirectX versionDiffers	10	10.1
OpenGL versionDiffers	3.0	2.1
Shader model versionKnown for one	Unknown — not stated by the source	4.0
Designidentical
Cooling type	Active	Active
Bracket heightKnown for one	Full-Height (FH)	Unknown — not stated by the source
Form factorKnown for one	Full-Height/Full-Length (FH/FL)	Unknown — not stated by the source
Weight & dimensions1 differ
LengthDiffers	198.1 mm	234 mm
Height	111.2 mm	111.2 mm
WeightKnown for one	Unknown — not stated by the source	780 g
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.