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Product comparison · 2 pcs/workstations

Lenovo Edge 71 + ThinkVision LS1951 vs Lenovo M91p + LS2251

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  • 102specifications compared
  • 43differ
  • 59identical
  • 40known 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
142 specifications
A

Lenovo

Edge 71 + ThinkVision LS1951View 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
SteppingKnown for oneQ0
Memory3 differ
Internal memoryDiffers2 GB4 GB
Maximum internal memoryDiffers8 GB16 GB
Memory slotsDiffers2x DIMM4x DIMM
Memory layout (slots x size)Known for one1 x 2 GB
Storage4 differ
Total storage capacityDiffers250 GB500 GB
Optical drive typeDiffersDVD±RWDVD-RW
HDD capacityDiffers250 GB500 GB
Card reader integratedDiffersYesNo
RAID levelsKnown for one0, 1
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® H61 ExpressIntel® Q67 Express
Networkidentical
Wake-on-LAN readyKnown for oneYes
Networking featuresKnown for oneGigabit Ethernet
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers68
DisplayPorts quantityKnown for one1
HDMI ports quantityKnown for one0
Line-outKnown for oneYes
Line-inKnown for oneYes
DVI portDiffersYesNo
Firewire (IEEE 1394) portsKnown for one0
DC-in jackKnown for oneYes
Expansion slotsidentical
Number of 3.5" baysKnown for one2
PCI Express x1 slotsKnown for one1
PCI Express x16 slotsKnown for one1
PCI slotsKnown for one2
Power1 differ
Power supplyDiffers180 W240 W
Designidentical
Number of 5.25" baysKnown for one1
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneKensington
Software2 differ
Operating system installedDiffersWindows 7 Home PremiumWindows 7 Professional
Operating system architectureDiffers32-bit64-bit
Display2 differ
Display diagonalDiffers48.3 cm (19")55.9 cm (22")
Display resolutionDiffers1440 x 900 pixels1680 x 1050 pixels
Display number of coloursKnown for one16.78 million colours
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 systemDiffersHigh Definition AudioHD
Weight & dimensions4 differ
WidthDiffers333 mm337 mm
DepthDiffers368 mm369 mm
HeightDiffers97 mm99.7 mm
WeightDiffers6.5 kg7.5 kg
Certificatesidentical
Compliance industry standardsKnown for oneIEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Sustainabilityidentical
Sustainability certificatesKnown for oneENERGY STAR
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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