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Product comparison · 2 pcs/workstations

Lenovo ThinkCentre E71 Intel Pentium G G630 vs Lenovo M91p + LS2251

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  • 104specifications compared
  • 37differ
  • 67identical
  • 56known for one product only

Key differences

  • Processor family
    • Intel Pentium G
    • Intel® Core™ i5
  • Processor model
    • G630
    • i5-2400
  • Processor cores
    • 2
    • 4
  • Processor threads
    • 2
    • 4
  • Processor frequency
    • 2.7 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
160 specifications
A

Lenovo

ThinkCentre E71 Intel Pentium G G630

Model E71

View product
B

Lenovo

M91p + LS2251View product
Processor12 differ
Processor familyDiffersIntel Pentium GIntel® Core™ i5
Processor generationKnown for one2nd gen Intel® Core™ i5
Processor modelDiffersG630i5-2400
Processor coresDiffers24
Processor threadsDiffers24
Processor boost frequencyKnown for one3.4 GHz
Processor frequencyDiffers2.7 GHz3.1 GHz
Processor cacheDiffers3 MB6 MB
FSB ParityKnown for oneNo
Processor seriesDiffersIntel Pentium G600 Series for DesktopIntel Core i5-2400 Desktop Series
Thermal Design Power (TDP)Differs65 W95 W
TcaseDiffers69.1 °C72.6 °C
Maximum number of PCI Express lanesKnown for one16
CPU multiplier (bus/core ratio)Differs2731
Memory clock speeds supported by processorDiffers1066 MHz1066,1333 MHz
Memory bandwidth supported by processor (max)Differs17 GB/s21 GB/s
ECC supported by processorKnown for oneNo
Maximum number of SMP processorsKnown for one1
PlatformKnown for onePC
SteppingKnown for oneQ0
Memory2 differ
Internal memoryDiffers2 GB4 GB
Maximum internal memoryDiffers8 GB16 GB
Memory slotsKnown for one4x DIMM
Memory clock speedKnown for one1333 MHz
Memory layout (slots x size)Known for one1 x 2 GB
Storageidentical
RAID levelsKnown for one0, 1
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
Discrete graphics card modelKnown for oneNot available
Performance1 differ
Motherboard chipsetDiffersIntel® H61Intel® Q67 Express
Networkidentical
Copper ethernet cabling technologyKnown for one1000BASE-T, 1000BASE-TX, 100BASE-T, 100BASE-TX, 10BASE-T
Ethernet interface typeKnown for oneGigabit Ethernet
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers68
DisplayPorts quantityKnown for one1
DVI portDiffersYesNo
DC-in jackKnown for oneYes
Serial ports quantityDiffers01
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one0
PS/2 ports quantityKnown for one0
Parallel ports quantityKnown for one0
Headphone connectivityKnown for one3.5 mm
Microphone connectivityKnown for one3.5 mm
USB connector typeKnown for oneUSB Type-A
Expansion slots1 differ
Number of 3.5" baysDiffers12
PCI slotsKnown for one2
Power1 differ
Power supplyDiffers180 W240 W
Power supply typeKnown for oneAC/DC
Designidentical
External drive baysKnown for one1 x 5.25"
Internal drive baysKnown for one1 x 3.5"
Softwareidentical
Operating system architectureKnown for one64-bit
Mac compatibilityKnown for oneNo
Display1 differ
Display includedDiffersNoYes
Display diagonalKnown for one55.9 cm (22")
Display resolutionKnown for one1680 x 1050 pixels
Native aspect ratioKnown for one16:10
Contrast ratio (typical)Known for one1000:1
Display number of coloursKnown for one16.78 million colours
Display brightnessKnown for one250 cd/m²
Viewing angle, horizontalKnown for one170°
Viewing angle, verticalKnown for one160°
Processor special features10 differ
Embedded options availableDiffersNoYes
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 Trusted Execution TechnologyDiffersNoYes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersNoYes
Intel® AES New Instructions (Intel® AES-NI)DiffersNoYes
Intel® Clear Video HD Technology (Intel® CVT HD)DiffersNoYes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for oneNo
Intel® InTru™ 3D TechnologyDiffersNoYes
Intel® Insider™DiffersNoYes
Processor ARK IDDiffers5348352207
Supported instruction setsKnown for oneAVX
Intel® Turbo Boost TechnologyDiffersNo2.0
Intel® Quick Sync Video TechnologyDiffersNoYes
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
Processor codeKnown for oneSR05S
Audio1 differ
Audio systemDiffersRealtek ALC662HD
Weight & dimensions4 differ
WidthDiffers333 mm337 mm
DepthDiffers368 mm369 mm
HeightDiffers99 mm99.7 mm
WeightDiffers6 kg7.5 kg
Certificatesidentical
Compliance certificatesKnown for oneRoHS
Sustainabilityidentical
Sustainability certificatesKnown for oneENERGY STAR
Other featuresidentical
Intel segment taggingKnown for oneEnterprise, Professional
Optical driveidentical
LightScribeKnown for oneNo
Ergonomicsidentical
Plug and PlayKnown for oneYes

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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