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Product comparison · 2 pcs/workstations

Acer Aspire M1900 Intel® Pentium® E5800 vs Lenovo M81 SFF + ThinkVision LS2251

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  • 91specifications compared
  • 45differ
  • 46identical
  • 46known for one product only

Key differences

  • Processor family
    • Intel® Pentium®
    • Intel® Core™ i3
  • Processor model
    • E5800
    • i3-2100
  • Processor threads
    • 2
    • 4
  • Processor frequency
    • 3.2 GHz
    • 3.1 GHz
  • Processor cache
    • 2 MB
    • 3 MB
  • Bus type
    • FSB
    • DMI
  • Processor lithography
    • 45 nm
    • 32 nm
  • Processor codename
    • Wolfdale
    • Sandy Bridge

Side by side

Differences highlightedShow differences only
137 specifications
A

Acer

Aspire M1900 Intel® Pentium® E5800

Model M1900

View product
B

Lenovo

M81 SFF + ThinkVision LS2251View product
Processor14 differ
Processor familyDiffersIntel® Pentium®Intel® Core™ i3
Processor generationKnown for one2nd gen Intel® Core™ i3
Processor modelDiffersE5800i3-2100
Processor threadsDiffers24
Processor frequencyDiffers3.2 GHz3.1 GHz
Processor cacheDiffers2 MB3 MB
Bus typeDiffersFSBDMI
System bus rateKnown for one5 GT/s
Processor lithographyDiffers45 nm32 nm
Processor seriesDiffersIntel Pentium E5000 Series for DesktopIntel Core i3-2100 Desktop Series
Processor codenameDiffersWolfdaleSandy Bridge
Thermal Design Power (TDP)Differs65 W35, 65
TcaseDiffers74.1 °C69.1 °C
Maximum number of PCI Express lanesKnown for one16
PCI Express slots versionKnown for one2.0
Processor socketDiffersLGA 775 (Socket T)LGA 1155 (Socket H2)
CPU multiplier (bus/core ratio)Differs1631
SteppingDiffersR0Q0
Maximum internal memory supported by processorKnown for one32 GB
Memory types supported by processorKnown for oneDDR3-SDRAM
Memory clock speeds supported by processorKnown for one1066,1333 MHz
Memory bandwidth supported by processor (max)Known for one21 GB/s
Processor front side busKnown for one800 MHz
Number of Processing Die TransistorsKnown for one228 M
Processing Die sizeKnown for one82 mm²
Memory3 differ
Internal memoryDiffers4 GB2 GB
Maximum internal memoryDiffers4 GB16 GB
Memory layout (slots x size)Differs2 x 2 GB1 x 2 GB
Memory slotsKnown for one4x DIMM
Memory channelsKnown for oneDual-channel
Storage4 differ
Total storage capacityDiffers1 TB320 GB
Optical drive typeDiffersDVD Super MultiDVD-RW
HDD capacityKnown for one320 GB
HDD speedDiffers5400 RPM7200 RPM
Card reader integratedDiffersYesNo
Graphics2 differ
Discrete graphics card modelKnown for oneNot available
On-board graphics card familyDiffersIntel® GMAIntel® HD Graphics
On-board graphics card modelDiffersIntel® GMA X4500Intel® HD Graphics 2000
Number of displays supported (on-board graphics)Known for one2
On-board graphics card base frequencyKnown for one850 MHz
On-board graphics card dynamic frequency (max)Known for one1100 MHz
On-board graphics card IDKnown for one0x102
On-board graphics card memoryKnown for one1 GB
Performance1 differ
Motherboard chipsetDiffersIntel® G41Intel® Q65 Express
Networkidentical
Modem typeKnown for oneNo
Cabling technologyKnown for one10/100/1000Base-T(X)
Ethernet interface typeKnown for oneGigabit Ethernet
Networking featuresKnown for oneGigabit Ethernet
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers68
DisplayPorts quantityKnown for one1
Serial ports quantityDiffers01
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one0
HDMI ports quantityKnown for one0
PS/2 ports quantityKnown for one0
Firewire (IEEE 1394) portsKnown for one0
Parallel ports quantityKnown for one0
Power1 differ
Power supplyDiffers250 W240 W
Design1 differ
Chassis typeDiffersTowerSFF
Software1 differ
Operating system installedDiffersWindows 7 Home PremiumWindows 7 Professional
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 brightnessKnown for one250 cd/m²
Viewing angle, horizontalKnown for one170°
Viewing angle, verticalKnown for one160°
Processor special features11 differ
Intel Dual Display Capable TechnologyDiffersNoYes
Intel FDI TechnologyDiffersNoYes
Intel Fast Memory AccessDiffersNoYes
Intel Flex Memory AccessDiffersNoYes
Intel Identity Protection Technology versionKnown for one1.00
Intel VT-x with Extended Page Tables (EPT)DiffersNoYes
Intel® Clear Video HD Technology (Intel® CVT HD)DiffersNoYes
Intel® InTru™ 3D TechnologyDiffersNoYes
Intel® Insider™DiffersNoYes
Processor ARK IDDiffers4280253422
Supported instruction setsKnown for oneAVX
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersNoYes
Intel® Quick Sync Video TechnologyDiffersNoYes
Intel® Identity Protection Technology (Intel® IPT)Known for oneYes
Processor codeKnown for oneSLGTG
Audioidentical
Audio systemKnown for oneHigh Definition Audio
Weight & dimensions4 differ
WidthDiffers180 mm337 mm
DepthDiffers402 mm369 mm
HeightDiffers379 mm99.7 mm
WeightDiffers16 kg7.5 kg
Other featuresidentical
Intel segment taggingKnown for oneEnterprise, Professional
Expansion slotsidentical
PCI Express x1 slotsKnown for one2
Keyboardidentical
Keyboard layoutKnown for oneAZERTY
Windows keysKnown 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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