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Product comparison · 2 pcs/workstations

Lenovo ThinkCentre E71 Intel Pentium G G630 vs Lenovo M81 + ThinkVision LS2251

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  • 93specifications compared
  • 31differ
  • 62identical
  • 58known for one product only

Key differences

  • Processor family
    • Intel Pentium G
    • Intel® Core™ i3
  • Processor model
    • G630
    • i3-2100
  • Processor threads
    • 2
    • 4
  • Processor frequency
    • 2.7 GHz
    • 3.1 GHz
  • Thermal Design Power (TDP)
    • 65 W
    • 35, 65
  • CPU multiplier (bus/core ratio)
    • 27
    • 31
  • Memory clock speeds supported by processor
    • 1066 MHz
    • 1066,1333 MHz
  • Memory bandwidth supported by processor (max)
    • 17 GB/s
    • 21 GB/s

Side by side

Differences highlightedShow differences only
151 specifications
A

Lenovo

ThinkCentre E71 Intel Pentium G G630

Model E71

View product
B

Lenovo

M81 + ThinkVision LS2251View product
Processor9 differ
Processor familyDiffersIntel Pentium GIntel® Core™ i3
Processor modelDiffersG630i3-2100
Processor threadsDiffers24
Processor frequencyDiffers2.7 GHz3.1 GHz
Processor seriesDiffersIntel Pentium G600 Series for DesktopIntel Core i3-2100 Desktop Series
Thermal Design Power (TDP)Differs65 W35, 65
CPU multiplier (bus/core ratio)Differs2731
Maximum number of SMP processorsKnown for one1
PlatformKnown for onePC
Memory clock speeds supported by processorDiffers1066 MHz1066,1333 MHz
Memory bandwidth supported by processor (max)Differs17 GB/s21 GB/s
Processor generationKnown for one2nd gen Intel® Core™ i3
FSB ParityKnown for oneNo
Maximum number of PCI Express lanesKnown for one16
ECC supported by processorKnown for oneNo
Memory1 differ
Maximum internal memoryDiffers8 GB16 GB
Memory clock speedKnown for one1333 MHz
Storage2 differ
Total storage capacityDiffers500 GB320 GB
HDD capacityDiffers500 GB320 GB
HDD sizeKnown for one3.5"
Floppy drive installedKnown for oneNo
Graphics1 differ
On-board graphics card modelDiffersIntel® HD GraphicsIntel® HD Graphics 2000
On-board graphics card IDKnown for one0x102
Performance1 differ
Motherboard chipsetDiffersIntel® H61Intel® Q65 Express
Optical driveidentical
LightScribeKnown for oneNo
Networkidentical
Cabling technologyKnown for one10/100/1000Base-T(X)
Wake-on-LAN readyKnown for oneYes
Copper ethernet cabling technologyKnown for one1000BASE-T, 1000BASE-TX, 100BASE-T, 100BASE-TX, 10BASE-T
Ethernet interface typeKnown for oneGigabit Ethernet
Networking featuresKnown for oneGigabit Ethernet
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers68
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one0
HDMI ports quantityKnown for one0
Line-outKnown for oneYes
Line-inKnown for oneYes
DVI portDiffersYesNo
PS/2 ports quantityKnown for one0
Firewire (IEEE 1394) portsKnown for one0
Serial ports quantityDiffers01
Parallel ports quantityKnown for one0
Headphone connectivityKnown for one3.5 mm
Microphone connectivityKnown for one3.5 mm
USB connector typeKnown for oneUSB Type-A
DisplayPorts quantityKnown for one1
Expansion slotsidentical
Number of 3.5" baysKnown for one1
PCI Express x1 slotsKnown for one1
PCI Express x16 slotsKnown for one1
Power1 differ
Power supply typeKnown for oneAC/DC
Power supplyDiffers180 W280 W
Design1 differ
Chassis typeDiffersSFFTower
Number of 5.25" baysKnown for one1
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneKensington
External drive baysKnown for one1 x 5.25"
Internal drive baysKnown for one1 x 3.5"
Softwareidentical
Mac compatibilityKnown for oneNo
Operating system architectureKnown for one64-bit
Display1 differ
Display includedDiffersNoYes
Display diagonalKnown for one55.9 cm (22")
Display resolutionKnown for one1680 x 1050 pixels
Contrast ratio (typical)Known for one1000:1
Display brightnessKnown for one250 cd/m²
Viewing angle, horizontalKnown for one170°
Viewing angle, verticalKnown for one160°
Processor special features6 differ
Intel® Clear Video HD Technology (Intel® CVT HD)DiffersNoYes
Intel® InTru™ 3D TechnologyDiffersNoYes
Intel® Insider™DiffersNoYes
Processor ARK IDDiffers5348353422
Processor codeKnown for oneSR05S
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersNoYes
Intel® Quick Sync Video TechnologyDiffersNoYes
Intel Clear Video TechnologyKnown for oneNo
Intel Demand Based SwitchingKnown for oneNo
Intel Identity Protection Technology versionKnown for one1.00
Intel Rapid Storage TechnologyKnown for oneNo
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for oneNo
Supported instruction setsKnown for oneAVX
Intel® My WiFi Technology (Intel® MWT)Known for oneNo
Intel® Identity Protection Technology (Intel® IPT)Known for oneYes
Intel® Anti-Theft Technology (Intel® AT)Known for oneNo
Conflict-Free processorKnown for oneNo
Audio1 differ
Audio systemDiffersRealtek ALC662High Definition Audio
Ergonomicsidentical
Plug and PlayKnown for oneYes
Weight & dimensions4 differ
WidthDiffers333 mm175 mm
DepthDiffers368 mm442 mm
HeightDiffers99 mm414 mm
WeightDiffers6 kg11 kg
Certificatesidentical
Compliance industry standardsKnown for oneIEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Other featuresidentical
Intel segment taggingKnown for oneEnterprise, Professional

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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