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Product comparison · 2 pcs/workstations

Lenovo M81 + LT2252p vs Lenovo M91p + L2251x

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  • 128specifications compared
  • 31differ
  • 97identical
  • 34known for one product only

Key differences

The Lenovo M91p + L2251x has 2 more processor cores than the Lenovo M81 + LT2252p (4 vs 2). The Lenovo M81 + LT2252p has 0.2 GHz more processor frequency than the Lenovo M91p + L2251x (3.3 GHz vs 3.1 GHz). The Lenovo M91p + L2251x has 3 MB more processor cache than the Lenovo M81 + LT2252p (6 MB vs 3 MB). Only the Lenovo M81 + LT2252p has DVI port. Only the Lenovo M91p + L2251x has Intel Trusted Execution Technology.

  • Processor family
    • Intel® Core™ i3
    • Intel® Core™ i5
  • Processor generation
    • 2nd gen Intel® Core™ i3
    • 2nd gen Intel® Core™ i5
  • Processor model
    • i3-2120
    • i5-2400
  • Processor cores
    • 2
    • 4
  • Processor frequency
    • 3.3 GHz
    • 3.1 GHz
  • Processor cache
    • 3 MB
    • 6 MB
  • Thermal Design Power (TDP)
    • 65 W
    • 95 W
  • Tcase
    • 69.1 °C
    • 72.6 °C

Side by side

Differences highlightedShow differences only
162 specifications
A

Lenovo

M81 + LT2252pView product
B

Lenovo

M91p + L2251xView product
Processor11 differ
Processor familyDiffersIntel® Core™ i3Intel® Core™ i5
Processor generationDiffers2nd gen Intel® Core™ i32nd gen Intel® Core™ i5
Processor modelDiffersi3-2120i5-2400
Processor coresDiffers24
Processor frequencyDiffers3.3 GHz3.1 GHz
Processor cacheDiffers3 MB6 MB
Processor seriesDiffersIntel Core i3-2100 Desktop SeriesIntel Core i5-2400 Desktop Series
Thermal Design Power (TDP)Differs65 W95 W
TcaseDiffers69.1 °C72.6 °C
CPU multiplier (bus/core ratio)Differs3331
Maximum number of SMP processorsKnown for one1
PlatformKnown for onePC
Memory types supported by processorDiffersDDR3 1066/1333DDR3-SDRAM
Processor boost frequencyKnown for one3.4 GHz
Memory clock speeds supported by processorKnown for one1066,1333 MHz
Memory1 differ
Internal memoryDiffers2 GB4 GB
Memory layout (slots x size)Known for one1 x 2 GB
Memory slotsKnown for one4x DIMM
Storage3 differ
Total storage capacityDiffers320 GB500 GB
Optical drive typeDiffersDVD Super MultiDVD-RW
HDD capacityDiffers320 GB500 GB
HDD sizeKnown for one3.5"
Floppy drive installedKnown for oneNo
RAID levelsKnown for one0, 1
Graphics1 differ
Discrete graphics card modelKnown for oneAMD Radeon HD 5450
Graphics card familyDiffersATI, IntelIntel
Performance1 differ
Motherboard chipsetDiffersIntel® Q65 ExpressIntel® Q67 Express
Optical driveidentical
LightScribeKnown for oneNo
Networkidentical
Copper ethernet cabling technologyKnown for one1000BASE-T, 1000BASE-TX, 100BASE-T, 100BASE-TX, 10BASE-T
Ethernet interface typeKnown for oneGigabit Ethernet
Ports & interfaces1 differ
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one0
DVI portDiffersYesNo
Parallel ports quantityKnown for one0
HDMIKnown for oneNo
Headphone connectivityKnown for one3.5 mm
Microphone connectivityKnown for one3.5 mm
USB connector typeKnown for oneUSB Type-A
DC-in jackKnown for oneYes
Expansion slots1 differ
Number of 3.5" baysDiffers32
Power1 differ
Power supply typeKnown for oneAC/DC
Power supplyDiffers280 W240 W
Design1 differ
Chassis typeDiffersTowerSFF
External drive baysKnown for one1 x 5.25", 1 x 3.5"
Internal drive baysKnown for one2 x 3.5"
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneKensington
Softwareidentical
Mac compatibilityKnown for oneNo
Operating system architectureKnown for one64-bit
Displayidentical
Display typeKnown for oneLED
TouchscreenKnown for oneNo
DisplayKnown for oneLED
Processor special features6 differ
Intel Trusted Execution TechnologyDiffersNoYes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersNoYes
Intel® AES New Instructions (Intel® AES-NI)DiffersNoYes
Processor ARK IDDiffers5342652207
Intel® Turbo Boost TechnologyDiffersNo2.0
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersYesNo
Weight & dimensions3 differ
WidthDiffers175 mm337 mm
DepthDiffers442 mm369 mm
HeightDiffers414 mm99.7 mm
WeightKnown for one7.5 kg
Packaging contentidentical
Mouse includedKnown for oneYes
Keyboard includedKnown for oneYes
Certificatesidentical
Compliance certificatesKnown for oneRoHS
Sustainability1 differ
Sustainability certificatesDiffersEPEAT Gold, ENERGY STARENERGY STAR

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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