Product comparison · 2 pcs/workstations

Lenovo ThinkCentre M81 Intel® Core™ i3 i3-2100 vs Lenovo M91p + ThinkVision L2251p

92specifications compared
18differ
74identical
34known for one product only

Key differences

Processor family
- ThinkCentre M81 Intel® Core™ i3 i3-2100:Intel® Core™ i3
- M91p + ThinkVision L2251p:Intel® Core™ i5
Processor generation
- ThinkCentre M81 Intel® Core™ i3 i3-2100:2nd gen Intel® Core™ i3
- M91p + ThinkVision L2251p:2nd gen Intel® Core™ i5
Processor model
- ThinkCentre M81 Intel® Core™ i3 i3-2100:i3-2100
- M91p + ThinkVision L2251p:i5-2400
Processor cores
- ThinkCentre M81 Intel® Core™ i3 i3-2100:2
- M91p + ThinkVision L2251p:4
Processor cache
- ThinkCentre M81 Intel® Core™ i3 i3-2100:3 MB
- M91p + ThinkVision L2251p:6 MB
Thermal Design Power (TDP)
- ThinkCentre M81 Intel® Core™ i3 i3-2100:35, 65
- M91p + ThinkVision L2251p:95 W
Tcase
- ThinkCentre M81 Intel® Core™ i3 i3-2100:69.1 °C
- M91p + ThinkVision L2251p:72.6 °C
Internal memory
- ThinkCentre M81 Intel® Core™ i3 i3-2100:2 GB
- M91p + ThinkVision L2251p:4 GB

Side by side

Differences highlightedShow differences only

Comparison of M81, M91p + ThinkVision L2251p
126 specifications	A Lenovo ThinkCentre M81 Intel® Core™ i3 i3-2100 Model M81 View product	B Lenovo M91p + ThinkVision L2251p View product
Processor8 differ
Processor familyDiffers	Intel® Core™ i3	Intel® Core™ i5
Processor generationDiffers	2nd gen Intel® Core™ i3	2nd gen Intel® Core™ i5
Processor modelDiffers	i3-2100	i5-2400
Processor coresDiffers	2	4
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.4 GHz
Processor cacheDiffers	3 MB	6 MB
Processor seriesDiffers	Intel Core i3-2100 Desktop Series	Intel Core i5-2400 Desktop Series
Thermal Design Power (TDP)Differs	35, 65	95 W
TcaseDiffers	69.1 °C	72.6 °C
L2 cacheKnown for one	3 MB	Unknown — not stated by the source
L3 cacheKnown for one	3 MB	Unknown — not stated by the source
Number of processors installedKnown for one	1	Unknown — not stated by the source
SteppingKnown for one	Q0	Unknown — not stated by the source
Memory1 differ
Internal memoryDiffers	2 GB	4 GB
Maximum internal memoryKnown for one	Unknown — not stated by the source	16 GB
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 4 GB
Memory slotsKnown for one	Unknown — not stated by the source	4x DIMM
Storage1 differ
Total storage capacityDiffers	320 GB	500 GB
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
Card reader integratedKnown for one	Unknown — not stated by the source	No
HDD capacityKnown for one	320 GB	Unknown — not stated by the source
Graphicsidentical
Discrete graphics memory typeKnown for one	GDDR3	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® Q67 Express
Networkidentical
Wi-FiKnown for one	Unknown — not stated by the source	No
Networking featuresKnown for one	Unknown — not stated by the source	Gigabit Ethernet
Modem typeKnown for one	No	Unknown — not stated by the source
Ports & interfacesidentical
DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
DVI portKnown for one	Unknown — not stated by the source	No
Serial ports quantityKnown for one	Unknown — not stated by the source	1
PS/2 ports quantityKnown for one	0	Unknown — not stated by the source
DC-in jackKnown for one	Yes	Unknown — not stated by the source
Poweridentical
Power supplyKnown for one	Unknown — not stated by the source	280 W
Designidentical
Form factorKnown for one	Tower	Unknown — not stated by the source
Display1 differ
Display includedDiffers	No	Yes
Display diagonalKnown for one	Unknown — not stated by the source	55.9 cm (22")
Display resolutionKnown for one	Unknown — not stated by the source	1680 x 1050 pixels
Contrast ratio (typical)Known for one	Unknown — not stated by the source	1000:1
Display brightnessKnown for one	Unknown — not stated by the source	250 cd/m²
Viewing angle, horizontalKnown for one	Unknown — not stated by the source	170°
Viewing angle, verticalKnown for one	Unknown — not stated by the source	160°
Processor special features7 differ
Embedded options availableDiffers	No	Yes
Intel Trusted Execution TechnologyDiffers	No	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Differs	No	Yes
Intel® AES New Instructions (Intel® AES-NI)Differs	No	Yes
Processor ARK IDDiffers	53422	52207
Intel® Turbo Boost TechnologyDiffers	No	2.0
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	High Definition Audio
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	175 mm
DepthKnown for one	Unknown — not stated by the source	442 mm
HeightKnown for one	Unknown — not stated by the source	414 mm
WeightKnown for one	Unknown — not stated by the source	11 kg

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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