Product comparison · 2 gpus

Lenovo 45K1671 graphics card GDDR3 vs Lenovo 45K1672 graphics card GDDR3

9specifications compared
3differ
6identical
12known for one product only

Key differences

Memory bus
- 45K1671 graphics card GDDR3:128 bit
- 45K1672 graphics card GDDR3:192 bit
Memory bandwidth (max)
- 45K1671 graphics card GDDR3:25.6 GB/s
- 45K1672 graphics card GDDR3:38.4 GB/s
Interface type
- 45K1671 graphics card GDDR3:PCI Express 2.0
- 45K1672 graphics card GDDR3:PCI Express x16

Side by side

Differences highlightedShow differences only

Comparison of 45K1671, 45K1672
21 specifications	A Lenovo 45K1671 graphics card GDDR3 Model 45K1671 View product	B Lenovo 45K1672 graphics card GDDR3 Model 45K1672 View product
Processoridentical
Maximum resolution	2560 x 1600 pixels	2560 x 1600 pixels
Graphics card RAMDACKnown for one	Unknown — not stated by the source	400 MHz
CUDAKnown for one	Yes	Unknown — not stated by the source
Memory2 differ
Graphics card memory type	GDDR3	GDDR3
Memory busDiffers	128 bit	192 bit
Memory bandwidth (max)Differs	25.6 GB/s	38.4 GB/s
Ports & interfaces1 differ
Interface typeDiffers	PCI Express 2.0	PCI Express x16
DVI-I ports quantityKnown for one	Unknown — not stated by the source	1
I/O portsKnown for one	Unknown — not stated by the source	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)
Performanceidentical
DirectX version	10	10
OpenGL version	3.0	3.0
Shader model versionKnown for one	4.0	Unknown — not stated by the source
Dual Link DVIKnown for one	Yes	Unknown — not stated by the source
Designidentical
Cooling type	Active	Active
Bracket heightKnown for one	Unknown — not stated by the source	Full-Height (FH)
Form factorKnown for one	Unknown — not stated by the source	Full-Height/Full-Length (FH/FL)
CertificationKnown for one	EnergyStar	Unknown — not stated by the source
Weight & dimensionsidentical
LengthKnown for one	Unknown — not stated by the source	198.1 mm
HeightKnown for one	Unknown — not stated by the source	111.2 mm
Other featuresidentical
Mac compatibility	No	No
Compatible productsKnown for one	ThinkStation S20, D20	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.

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