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Product comparison · 2 pcs/workstations

Acer eMachines ET1840 vs Lenovo ThinkCentre M90 + L197w

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  • 91specifications compared
  • 34differ
  • 57identical
  • 51known for one product only

Key differences

The Lenovo ThinkCentre M90 + L197w has 2 more processor threads than the Acer eMachines ET1840 (4 vs 2). The Acer eMachines ET1840 has 0.07 GHz more processor frequency than the Lenovo ThinkCentre M90 + L197w (3 GHz vs 2.93 GHz). The Lenovo ThinkCentre M90 + L197w 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 + L197w has DVI port.

  • Processor family
    • Intel® Pentium®
    • Intel® Core™ i3
  • Processor model
    • E5700
    • i3-530
  • Processor threads
    • 2
    • 4
  • Processor frequency
    • 3 GHz
    • 2.93 GHz
  • Processor cache
    • 2 MB
    • 4 MB
  • Bus type
    • FSB
    • DMI
  • Processor lithography
    • 45 nm
    • 32 nm
  • Processor codename
    • Wolfdale
    • Clarkdale

Side by side

Differences highlightedShow differences only
142 specifications
A

Acer

eMachines ET1840View product
B

Lenovo

ThinkCentre M90 + L197wView product
Processor16 differ
Processor familyDiffersIntel® Pentium®Intel® Core™ i3
Processor generationKnown for oneIntel® Core™ i3
Processor modelDiffersE5700i3-530
Processor threadsDiffers24
Processor frequencyDiffers3 GHz2.93 GHz
Processor cacheDiffers2 MB4 MB
Bus typeDiffersFSBDMI
System bus rateKnown for one2.5 GT/s
Processor lithographyDiffers45 nm32 nm
Processor seriesDiffersIntel Pentium E5000 Series for DesktopIntel Core i3-500 Desktop Series
Processor codenameDiffersWolfdaleClarkdale
Thermal Design Power (TDP)Differs65 W73 W
TcaseDiffers74.1 °C72.6 °C
Maximum number of PCI Express lanesKnown for one16
PCI Express configurationsKnown for one1x16, 2x8
PCI Express slots versionKnown for one2.0
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)Differs1522
PlatformKnown for onePC
SteppingDiffersR0C2
Maximum internal memory supported by processorKnown for one16 GB
Memory types supported by processorKnown for oneDDR3 1066/1333
Memory bandwidth supported by processor (max)Known for one21 GB/s
Processor front side busKnown for one800 MHz
Maximum number of SMP processorsKnown for one1
Memory2 differ
Internal memory typeDiffersDDR2-SDRAMDDR3-SDRAM
Memory slotsDiffers2x DIMM2x SO-DIMM
Memory clock speedKnown for one1333 MHz
Memory channelsKnown for oneDual-channel
Storage1 differ
Card reader integratedDiffersYesNo
Total storage capacityKnown for one500 GB
Optical drive typeKnown for oneDVD Super Multi DL
HDD interfaceKnown for oneSATA
Graphicsidentical
On-board graphics card familyKnown for oneIntel® HD Graphics
On-board graphics card modelKnown for oneIntel® HD Graphics
Number of displays supported (on-board graphics)Known for one2
On-board graphics card base frequencyKnown for one733 MHz
Discrete graphics card modelKnown for oneIntel® GMA 3100
Graphics card familyKnown for oneIntel
Performanceidentical
Audio output channelsKnown for one7.1 channels
Networkidentical
Wake-on-LAN readyKnown for oneYes
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers610
DisplayPorts quantityKnown for one1
DVI portDiffersNoYes
PS/2 ports quantityDiffers20
Expansion slotsidentical
PCI slotsKnown for one1
PCI Express x1 slotsKnown for one1
PCI Express x16 slotsKnown for one1
Power1 differ
Power supplyDiffers220 W130 W
Power requirementsKnown for one100 - 240 V
Designidentical
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneKensington
External drive baysKnown for one1 x 5.25''
Internal drive baysKnown for one1 x 3.5''
Chassis typeKnown for oneMicro Tower
Softwareidentical
Compatible operating systemsKnown for oneWindows 7 Professional (32-bit) Windows 7 Professional (64-bit) Windows 7 Home Premium (32-bit) Windows 7 Home Basic (32-bit) Windows Vista Business (32-bit) Windows Vista Home Basic (32-bit)
Mac compatibilityKnown for oneNo
Operating system installedKnown for oneWindows 7 Home Premium
Display1 differ
Display includedDiffersNoYes
Display diagonalKnown for one48.3 cm (19")
Display resolutionKnown for one1440 x 900 pixels
Native aspect ratioKnown for one16:10
Contrast ratio (typical)Known for one1000:1
TouchscreenKnown for oneNo
Display brightnessKnown for one250 cd/m²
DisplayKnown for oneLCD
Processor special features7 differ
Graphics & IMC lithographyKnown for one45 nm
Intel Dual Display Capable TechnologyDiffersNoYes
Intel FDI TechnologyDiffersNoYes
Intel VT-x with Extended Page Tables (EPT)DiffersNoYes
Intel® Clear Video HD Technology (Intel® CVT HD)DiffersNoYes
Physical Address Extension (PAE)Known for one36 bit
Processor ARK IDDiffers4280146472
Supported instruction setsKnown for oneSSE4.2
Thermal Monitoring TechnologiesDiffersYesNo
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersNoYes
Weight & dimensions3 differ
WidthDiffers180 mm79 mm
DepthDiffers441 mm238 mm
HeightDiffers361 mm275 mm
WeightKnown for one13 kg
Certificatesidentical
CertificationKnown for oneCE, CB, FCC
Other featuresidentical
Intel segment taggingKnown for oneEnterprise, Professional
Audioidentical
Audio systemKnown for oneHigh Definition Audio

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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