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Product comparison · 2 pcs/workstations

Lenovo Edge E71 + L2440p vs Lenovo M91p + L2440p

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  • 108specifications compared
  • 35differ
  • 73identical
  • 39known for one product only

Key differences

The Lenovo M91p + L2440p has 2 more processor cores than the Lenovo Edge E71 + L2440p (4 vs 2). The Lenovo M91p + L2440p has 2 more processor threads than the Lenovo Edge E71 + L2440p (4 vs 2). The Lenovo M91p + L2440p has 0.3 GHz more processor frequency than the Lenovo Edge E71 + L2440p (3.1 GHz vs 2.8 GHz). Only the Lenovo Edge E71 + L2440p has DVI port. Only the Lenovo M91p + L2440p has embedded options available.

  • Processor family
    • Intel® Pentium®
    • Intel® Core™ i5
  • Processor model
    • G840
    • i5-2400
  • Processor cores
    • 2
    • 4
  • Processor threads
    • 2
    • 4
  • Processor frequency
    • 2.8 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
147 specifications
A

Lenovo

Edge E71 + L2440pView product
B

Lenovo

M91p + L2440pView product
Processor9 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Pentium®Intel® Core™ i5
Processor generationKnown for one2nd gen Intel® Core™ i5
Processor modelDiffersG840i5-2400
Processor coresDiffers24
Processor threadsDiffers24
Processor boost frequencyKnown for one3.4 GHz
Processor frequencyDiffers2.8 GHz3.1 GHz
Processor cacheDiffers3 MB6 MB
Processor cache typeSmart CacheSmart Cache
Bus typeDMIDMI
FSB ParityKnown for oneNo
System bus rate5 GT/s5 GT/s
Processor lithography32 nm32 nm
Processor operating modes64-bit64-bit
Processor seriesKnown for oneIntel Core i5-2400 Desktop Series
Processor codenameSandy BridgeSandy Bridge
Thermal Design Power (TDP)Differs65 W95 W
TcaseDiffers69.1 °C72.6 °C
Maximum number of PCI Express lanesKnown for one16
PCI Express slots version2.02.0
Number of processors installed11
Processor socketLGA 1155 (Socket H2)LGA 1155 (Socket H2)
CPU multiplier (bus/core ratio)Differs2831
Maximum internal memory supported by processor32 GB32 GB
Memory types supported by processorDDR3-SDRAMDDR3-SDRAM
Memory clock speeds supported by processor1066,1333 MHz1066,1333 MHz
Memory bandwidth supported by processor (max)21 GB/s21 GB/s
ECC supported by processorKnown for oneNo
SteppingKnown for oneQ0
Memory2 differ
Internal memoryDiffers2 GB4 GB
Maximum internal memoryDiffers8 GB16 GB
Internal memory typeDDR3-SDRAMDDR3-SDRAM
Memory slotsKnown for one4x DIMM
Memory clock speedKnown for one1333 MHz
Memory channelsDual-channelDual-channel
Memory layout (slots x size)Known for one1 x 2 GB
Storage2 differ
Total storage capacityDiffers320 GB500 GB
Optical drive typeDVD-RWDVD-RW
Number of HDDs installed11
HDD capacityDiffers320 GB500 GB
HDD interfaceSATASATA
HDD speed7200 RPM7200 RPM
Card reader integratedKnown for oneNo
RAID levelsKnown for one0, 1
Graphics1 differ
On-board graphics cardYesYes
On-board graphics card familyIntel® HD GraphicsIntel® HD Graphics
On-board graphics card modelDiffersIntel® HD GraphicsIntel® HD Graphics 2000
Number of displays supported (on-board graphics)22
On-board graphics card base frequency850 MHz850 MHz
On-board graphics card dynamic frequency (max)1100 MHz1100 MHz
On-board graphics card IDKnown for one0x102
Graphics card familyIntelIntel
Performance1 differ
Product typePCPC
Motherboard chipsetDiffersIntel® H61Intel® Q67 Express
Compatible processor seriesKnown for oneIntel® Pentium® Dual-Core
Networkidentical
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
Cabling technology10/100/1000Base-T(X)10/100/1000Base-T(X)
Wi-FiNoNo
Wake-on-LAN readyKnown for oneYes
Networking featuresGigabit EthernetGigabit Ethernet
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers68
DisplayPorts quantityKnown for one1
HDMI ports quantity00
Ethernet LAN (RJ-45) ports11
Headphone outputs11
Line-outYesYes
Line-inYesYes
Microphone inYesYes
VGA (D-Sub) ports quantity11
DVI portDiffersYesNo
PS/2 ports quantity00
Firewire (IEEE 1394) ports00
DC-in jackKnown for oneYes
Serial ports quantityKnown for one1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one0
Expansion slots1 differ
Number of 3.5" bays22
PCI Express x1 slotsDiffers21
PCI Express x16 slots11
PCI slotsKnown for one2
Power1 differ
Power supplyDiffers280 W240 W
Design1 differ
Chassis typeDiffersTowerSFF
Number of 5.25" bays11
Cable lock slotYesYes
Cable lock slot typeKensingtonKensington
Product colourBlackBlack
Softwareidentical
Operating system installedWindows 7 ProfessionalWindows 7 Professional
Operating system architecture64-bit64-bit
Displayidentical
Display includedYesYes
Display diagonal61 cm (24")61 cm (24")
Display resolutionKnown for one1920 x 1200 pixels
Native aspect ratio16:1016:10
Contrast ratio (typical)1000:11000:1
Display number of coloursKnown for one16.78 million colours
Display brightness300 cd/m²300 cd/m²
Viewing angle, horizontal170°170°
Viewing angle, vertical160°160°
DisplayKnown for oneLCD TFT
Processor special features11 differ
CPU configuration (max)11
Embedded options availableDiffersNoYes
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyKnown for oneNo
Intel Demand Based SwitchingKnown for oneNo
Intel Dual Display Capable TechnologyYesYes
Intel Enhanced Halt StateYesYes
Intel FDI TechnologyYesYes
Intel Fast Memory AccessYesYes
Intel Flex Memory AccessYesYes
Intel Identity Protection Technology versionKnown for one1.00
Intel Rapid Storage TechnologyKnown for oneNo
Intel Trusted Execution TechnologyDiffersNoYes
Intel VT-x with Extended Page Tables (EPT)YesYes
Intel Virtualization Technology (VT-x)YesYes
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
Intel® Wireless Display (Intel® WiDi)NoNo
Processor ARK IDDiffers5349052207
Processor package size37.5 x 37.5 mm37.5 x 37.5 mm
Supported instruction setsDiffersSSE4.1, SSE4.2AVX
Thermal Monitoring TechnologiesYesYes
Intel® Turbo Boost TechnologyDiffersNo2.0
Intel® Hyper Threading Technology (Intel® HT Technology)NoNo
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 oneSR05P
Audioidentical
Audio systemKnown for oneHD
Built-in microphoneKnown for oneYes
Weight & dimensions4 differ
WidthDiffers160 mm337 mm
DepthDiffers355 mm369 mm
HeightDiffers392 mm99.7 mm
WeightDiffers6.5 kg7.5 kg
Certificatesidentical
Compliance certificatesKnown for oneRoHS
Compliance industry standardsIEEE 802.3, IEEE 802.3u, IEEE 802.3abIEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Sustainabilityidentical
Sustainability certificatesKnown for oneENERGY STAR
Other featuresidentical
Intel segment taggingKnown for oneEnterprise, Professional
Packaging contentidentical
Mouse includedKnown 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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