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Product comparison · 2 pcs/workstations

Lenovo M71e + ThinkVision LS2221 vs Lenovo M91p + L1900p

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  • 115specifications compared
  • 41differ
  • 74identical
  • 25known for one product only

Key differences

The Lenovo M91p + L1900p has 2 more processor cores than the Lenovo M71e + ThinkVision LS2221 (4 vs 2). The Lenovo M91p + L1900p has 2 more processor threads than the Lenovo M71e + ThinkVision LS2221 (4 vs 2). The Lenovo M91p + L1900p has 0.2 GHz more processor frequency than the Lenovo M71e + ThinkVision LS2221 (3.1 GHz vs 2.9 GHz). Only the Lenovo M71e + ThinkVision LS2221 has card reader integrated. Only the Lenovo M71e + ThinkVision LS2221 has DVI port.

  • Processor family
    • Intel® Pentium®
    • Intel® Core™ i5
  • Processor model
    • G850
    • i5-2400
  • Processor cores
    • 2
    • 4
  • Processor threads
    • 2
    • 4
  • Processor frequency
    • 2.9 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
140 specifications
A

Lenovo

M71e + ThinkVision LS2221View product
B

Lenovo

M91p + L1900pView product
Processor10 differ
Processor familyDiffersIntel® Pentium®Intel® Core™ i5
Processor generationKnown for one2nd gen Intel® Core™ i5
Processor modelDiffersG850i5-2400
Processor coresDiffers24
Processor threadsDiffers24
Processor boost frequencyKnown for one3.4 GHz
Processor frequencyDiffers2.9 GHz3.1 GHz
Processor cacheDiffers3 MB6 MB
Processor seriesDiffersIntel Pentium G800 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)Differs2931
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
Storage2 differ
Optical drive typeDiffersDVD Super MultiDVD-RW
Card reader integratedDiffersYesNo
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
Networking featuresKnown for oneGigabit Ethernet
Ports & interfaces3 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
PS/2 ports quantityDiffers20
Firewire (IEEE 1394) portsKnown for one0
DC-in jackKnown for oneYes
Expansion slots1 differ
Number of 3.5" baysDiffers12
PCI Express x1 slotsKnown for one1
PCI Express x16 slotsKnown for one1
PCI slotsKnown for one2
Display4 differ
Display diagonalDiffers54.6 cm (21.5")48.3 cm (19")
Display resolutionDiffers1920 x 1080 pixels1280 x 1024 pixels
Contrast ratio (typical)Differs1000:1800:1
Display number of coloursKnown for one16.78 million colours
Viewing angle, horizontalDiffers170°160°
Native aspect ratioKnown for one16:9
Processor special features11 differ
Intel Identity Protection Technology versionKnown for one1.00
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® InTru™ 3D TechnologyDiffersNoYes
Intel® Insider™DiffersNoYes
Processor ARK IDDiffers5349152207
Supported instruction setsDiffersSSE4.1, SSE4.2AVX
Intel® Turbo Boost TechnologyDiffersNo2.0
Intel® Quick Sync Video TechnologyDiffersNoYes
Intel® Identity Protection Technology (Intel® IPT)Known for oneYes
Conflict-Free processorDiffersYesNo
Processor codeKnown for oneSR05Q
Audio1 differ
Audio systemDiffersHigh Definition AudioHD
Number of speakersKnown for one1
Weight & dimensions4 differ
WidthDiffers335 mm337 mm
DepthDiffers382 mm369 mm
HeightDiffers99 mm99.7 mm
WeightDiffers6.6 kg7.5 kg
Certificatesidentical
Compliance industry standardsKnown for oneIEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Sustainabilityidentical
Sustainability certificatesKnown for oneENERGY STAR

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