Product comparison · 2 gpus

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

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

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
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
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
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
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
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.