Product comparison · 2 pcs/workstations

Acer eMachines ET1840 vs Lenovo ThinkCentre M90 +L2230x

Add a product
  • 96specifications compared
  • 43differ
  • 53identical
  • 41known for one product only

Key differences

The Lenovo ThinkCentre M90 +L2230x has 2 more processor threads than the Acer eMachines ET1840 (4 vs 2). The Lenovo ThinkCentre M90 +L2230x has 0.2 GHz more processor frequency than the Acer eMachines ET1840 (3.2 GHz vs 3 GHz). The Lenovo ThinkCentre M90 +L2230x has 2 MB more processor cache than the Acer eMachines ET1840 (4 MB vs 2 MB). Only the Acer eMachines ET1840 has card reader integrated. Only the Lenovo ThinkCentre M90 +L2230x has display included.

  • Processor family
    • eMachines ET1840:Intel® Pentium®
    • ThinkCentre M90 +L2230x:Intel® Core™ i5
  • Processor model
    • eMachines ET1840:E5700
    • ThinkCentre M90 +L2230x:i5-650
  • Processor threads
    • eMachines ET1840:2
    • ThinkCentre M90 +L2230x:4
  • Processor frequency
    • eMachines ET1840:3 GHz
    • ThinkCentre M90 +L2230x:3.2 GHz
  • Processor cache
    • eMachines ET1840:2 MB
    • ThinkCentre M90 +L2230x:4 MB
  • Bus type
    • eMachines ET1840:FSB
    • ThinkCentre M90 +L2230x:DMI
  • Processor lithography
    • eMachines ET1840:45 nm
    • ThinkCentre M90 +L2230x:32 nm
  • Processor codename
    • eMachines ET1840:Wolfdale
    • ThinkCentre M90 +L2230x:Clarkdale

Side by side

Differences highlightedShow differences only (on)
Comparison of eMachines ET1840, ThinkCentre M90 +L2230x
137 specifications
Processor16 differ
Processor familyDiffersIntel® Pentium®Intel® Core™ i5
Processor generationKnown for oneUnknown — not stated by the sourceIntel® Core™ i5
Processor modelDiffersE5700i5-650
Processor threadsDiffers24
Processor boost frequencyKnown for oneUnknown — not stated by the source3.46 GHz
Processor frequencyDiffers3 GHz3.2 GHz
Processor cacheDiffers2 MB4 MB
Bus typeDiffersFSBDMI
System bus rateKnown for oneUnknown — not stated by the source2.5 GT/s
Processor lithographyDiffers45 nm32 nm
Processor seriesDiffersIntel Pentium E5000 Series for DesktopIntel Core i5-600 Desktop Series
Processor codenameDiffersWolfdaleClarkdale
Thermal Design Power (TDP)Differs65 W73 W
TcaseDiffers74.1 °C72.6 °C
Maximum number of PCI Express lanesKnown for oneUnknown — not stated by the source16
PCI Express configurationsKnown for oneUnknown — not stated by the source1x16, 2x8
PCI Express slots versionKnown for oneUnknown — not stated by the source2.0
Processor socketDiffersLGA 775 (Socket T)LGA 1156 (Socket H)
Number of Processing Die TransistorsDiffers228 M382 M
Processing Die sizeDiffers82 mm²81 mm²
CPU multiplier (bus/core ratio)Differs1524
SteppingDiffersR0C2
Maximum internal memory supported by processorKnown for oneUnknown — not stated by the source16 GB
Memory types supported by processorKnown for oneUnknown — not stated by the sourceDDR3 1066/1333
Memory bandwidth supported by processor (max)Known for oneUnknown — not stated by the source21 GB/s
Processor front side busKnown for one800 MHzUnknown — not stated by the source
Maximum number of SMP processorsKnown for one1Unknown — not stated by the source
Memory3 differ
Internal memoryDiffers2 GB4 GB
Internal memory typeDiffersDDR2-SDRAMDDR3-SDRAM
Memory slotsDiffers2x DIMM4x DIMM
Memory clock speedKnown for oneUnknown — not stated by the source1333 MHz
Memory channelsKnown for oneUnknown — not stated by the sourceDual-channel
Maximum internal memoryKnown for one4 GBUnknown — not stated by the source
Storage2 differ
Optical drive typeDiffersDVD Super Multi DLDVD-RW
HDD speedKnown for oneUnknown — not stated by the source7200 RPM
Card reader integratedDiffersYesNo
RAID levelsKnown for oneUnknown — not stated by the source0, 1
Graphics1 differ
Discrete graphics card modelDiffersIntel® GMA 3100Intel HD
On-board graphics card familyKnown for oneUnknown — not stated by the sourceIntel® HD Graphics
On-board graphics card modelKnown for oneUnknown — not stated by the sourceIntel® HD Graphics
Number of displays supported (on-board graphics)Known for oneUnknown — not stated by the source2
On-board graphics card base frequencyKnown for oneUnknown — not stated by the source733 MHz
Performanceidentical
Audio output channelsKnown for one7.1 channelsUnknown — not stated by the source
Networkidentical
Cabling technologyKnown for one10/100/1000Base-T(X)Unknown — not stated by the source
Wake-on-LAN readyKnown for oneYesUnknown — not stated by the source
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers610
DC-in jackKnown for oneUnknown — not stated by the sourceYes
Serial ports quantityKnown for one0Unknown — not stated by the source
Parallel ports quantityKnown for one0Unknown — not stated by the source
Expansion slotsidentical
PCI slotsKnown for oneUnknown — not stated by the source2
Power1 differ
Power supplyDiffers220 W320 W
Power supply typeKnown for oneACUnknown — not stated by the source
Power requirementsKnown for one100 - 240 VUnknown — not stated by the source
Design1 differ
Chassis typeDiffersMicro TowerTower
Cable lock slotKnown for oneUnknown — not stated by the sourceYes
Cable lock slot typeKnown for oneUnknown — not stated by the sourceKensington
External drive baysKnown for oneUnknown — not stated by the source1x 3.5", 2x 5.25"
Internal drive baysKnown for oneUnknown — not stated by the source2x 3.5"
Software1 differ
Operating system installedDiffersWindows 7 Home PremiumWindows 7 Professional
Display1 differ
Display includedDiffersNoYes
Display diagonalKnown for oneUnknown — not stated by the source54.6 cm (21.5")
DisplayKnown for oneUnknown — not stated by the sourceLCD
Processor special features11 differ
Graphics & IMC lithographyKnown for oneUnknown — not stated by the source45 nm
Intel Dual Display Capable TechnologyDiffersNoYes
Intel FDI TechnologyDiffersNoYes
Intel Trusted Execution TechnologyDiffersNoYes
Intel VT-x with Extended Page Tables (EPT)DiffersNoYes
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
Physical Address Extension (PAE)Known for oneUnknown — not stated by the source36 bit
Processor ARK IDDiffers4280143546
Supported instruction setsKnown for oneUnknown — not stated by the sourceSSE4.2
Thermal Monitoring TechnologiesDiffersYesNo
Intel® Turbo Boost TechnologyDiffersNo1.0
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersNoYes
Audio1 differ
Audio systemDiffersHigh Definition AudioHD
Built-in microphoneKnown for oneUnknown — not stated by the sourceYes
Weight & dimensions3 differ
WidthDiffers180 mm175 mm
DepthDiffers441 mm442 mm
HeightDiffers361 mm414 mm
WeightKnown for one13 kgUnknown — not stated by the source
Certificates1 differ
Compliance industry standardsDiffersIEEE802.3, IEEE802.3u, IEEE802.3abIEEE 802.3/802.3u/802.3ab
CertificationKnown for oneCE, CB, FCCUnknown — not stated by the source

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.

More pcs/workstations comparisons

All pcs/workstations comparisons