Product comparison · 2 gpus

Lenovo 45K1673 graphics card vs Lenovo 45K1674 graphics card NVIDIA GDDR3

Key differences

Memory bus
- 45K1673 graphics card:256 bit
- 45K1674 graphics card NVIDIA GDDR3:128 bit
Interface type
- 45K1673 graphics card:PCI Express x16
- 45K1674 graphics card NVIDIA GDDR3:PCI Express 2.0
DirectX version
- 45K1673 graphics card:10.0
- 45K1674 graphics card NVIDIA GDDR3:10

Differences highlightedShow differences only

Comparison of 45K1673, 45K1674
21 specifications	A Lenovo 45K1673 graphics card Model 45K1673 View product	B Lenovo 45K1674 graphics card NVIDIA GDDR3 Model 45K1674 View product
Processoridentical
Graphics processor familyKnown for one	Unknown — not stated by the source	NVIDIA
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	256 bit	128 bit
Discrete graphics card memoryKnown for one	1 GB	Unknown — not stated by the source
Memory bandwidth (max)Known for one	51.2 GB/s	Unknown — not stated by the source
Ports & interfaces1 differ
Interface typeDiffers	PCI Express x16	PCI Express 2.0
DVI-I ports quantity	1	1
DVI ports quantityKnown for one	Unknown — not stated by the source	1
Performance1 differ
DirectX versionDiffers	10.0	10
Shader model version	4.0	4.0
Dual Link DVIKnown for one	Unknown — not stated by the source	Yes
OpenGL versionKnown for one	3.0	Unknown — not stated by the source
Designidentical
Cooling type	Active	Active
Poweridentical
Minimum system power supplyKnown for one	Unknown — not stated by the source	120.1 W
Weight & dimensionsidentical
WeightKnown for one	Unknown — not stated by the source	780 g
LengthKnown for one	Unknown — not stated by the source	266.7 mm
DepthKnown for one	Unknown — not stated by the source	38 mm
HeightKnown for one	Unknown — not stated by the source	111.2 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.