Product comparison · 2 gpus

Lenovo 45K1670 graphics card NVIDIA GDDR3 vs Lenovo 45K1674 graphics card NVIDIA GDDR3

Key differences

DVI ports quantity
- 45K1670 graphics card NVIDIA GDDR3:2
- 45K1674 graphics card NVIDIA GDDR3:1
Weight
- 45K1670 graphics card NVIDIA GDDR3:190 g
- 45K1674 graphics card NVIDIA GDDR3:780 g
Length
- 45K1670 graphics card NVIDIA GDDR3:168 mm
- 45K1674 graphics card NVIDIA GDDR3:266.7 mm
Depth
- 45K1670 graphics card NVIDIA GDDR3:19 mm
- 45K1674 graphics card NVIDIA GDDR3:38 mm

Differences highlightedShow differences only

Comparison of 45K1670, 45K1674
22 specifications	A Lenovo 45K1670 graphics card NVIDIA GDDR3 Model 45K1670 View product	B Lenovo 45K1674 graphics card NVIDIA GDDR3 Model 45K1674 View product
Processoridentical
Graphics processor family	NVIDIA	NVIDIA
Maximum resolution	2560 x 1600 pixels	2560 x 1600 pixels
Memoryidentical
Graphics card memory type	GDDR3	GDDR3
Memory bus	128 bit	128 bit
Memory bandwidth (max)Known for one	22.4 GB/s	Unknown — not stated by the source
Ports & interfaces1 differ
Interface type	PCI Express 2.0	PCI Express 2.0
DVI ports quantityDiffers	2	1
I/O portsKnown for one	DVI	Unknown — not stated by the source
DVI-I ports quantityKnown for one	Unknown — not stated by the source	1
Performanceidentical
DirectX version	10	10
Shader model version	4.0	4.0
OpenGL versionKnown for one	3.0	Unknown — not stated by the source
Dual Link DVIKnown for one	Unknown — not stated by the source	Yes
Designidentical
Cooling type	Active	Active
CertificationKnown for one	EnergyStar	Unknown — not stated by the source
Weight & dimensions3 differ
WeightDiffers	190 g	780 g
LengthDiffers	168 mm	266.7 mm
DepthDiffers	19 mm	38 mm
Height	111.2 mm	111.2 mm
Other featuresidentical
Mac compatibility	No	No
Compatible productsKnown for one	ThinkStation S20, D20	Unknown — not stated by the source
Poweridentical
Minimum system power supplyKnown for one	Unknown — not stated by the source	120.1 W

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.