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Product comparison · 2 pcs/workstations

Acer eMachines ET1840 vs Lenovo ThinkCentre M90 +L2230x

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  • 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
    • Intel® Pentium®
    • Intel® Core™ i5
  • Processor model
    • E5700
    • i5-650
  • Processor threads
    • 2
    • 4
  • Processor frequency
    • 3 GHz
    • 3.2 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
137 specifications
A

Acer

eMachines ET1840View product
B

Lenovo

ThinkCentre M90 +L2230xView product
Processor16 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Pentium®Intel® Core™ i5
Processor generationKnown for oneIntel® Core™ i5
Processor modelDiffersE5700i5-650
Processor cores22
Processor threadsDiffers24
Processor boost frequencyKnown for one3.46 GHz
Processor frequencyDiffers3 GHz3.2 GHz
Processor cacheDiffers2 MB4 MB
Processor cache typeSmart CacheSmart Cache
Bus typeDiffersFSBDMI
FSB ParityNoNo
System bus rateKnown for one2.5 GT/s
Processor lithographyDiffers45 nm32 nm
Processor operating modes64-bit64-bit
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 one16
PCI Express configurationsKnown for one1x16, 2x8
PCI Express slots versionKnown for one2.0
Number of processors installed11
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 one16 GB
Memory types supported by processorKnown for oneDDR3 1066/1333
Memory bandwidth supported by processor (max)Known for one21 GB/s
ECC supported by processorNoNo
Processor front side busKnown for one800 MHz
Maximum number of SMP processorsKnown for one1
Memory3 differ
Internal memoryDiffers2 GB4 GB
Internal memory typeDiffersDDR2-SDRAMDDR3-SDRAM
Memory slotsDiffers2x DIMM4x DIMM
Memory clock speedKnown for one1333 MHz
Memory channelsKnown for oneDual-channel
Maximum internal memoryKnown for one4 GB
Storage2 differ
Total storage capacity500 GB500 GB
Optical drive typeDiffersDVD Super Multi DLDVD-RW
HDD interfaceSATASATA
HDD speedKnown for one7200 RPM
Card reader integratedDiffersYesNo
Floppy drive installedNoNo
RAID levelsKnown for one0, 1
Graphics1 differ
On-board graphics cardYesYes
Discrete graphics card modelDiffersIntel® GMA 3100Intel HD
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
Graphics card familyIntelIntel
Performanceidentical
Product typePCPC
Audio output channelsKnown for one7.1 channels
Networkidentical
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
Wi-FiNoNo
Networking featuresGigabit EthernetGigabit Ethernet
Cabling technologyKnown for one10/100/1000Base-T(X)
Wake-on-LAN readyKnown for oneYes
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers610
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity00
HDMI ports quantity00
Ethernet LAN (RJ-45) ports11
Headphone outputs11
Microphone inYesYes
VGA (D-Sub) ports quantity11
DVI portNoNo
PS/2 ports quantity22
Firewire (IEEE 1394) ports00
DC-in jackKnown for oneYes
Serial ports quantityKnown for one0
Parallel ports quantityKnown for one0
Expansion slotsidentical
PCI Express x1 slots11
PCI Express x16 slots11
PCI slotsKnown for one2
Power1 differ
Power supplyDiffers220 W320 W
Power supply typeKnown for oneAC
Power requirementsKnown for one100 - 240 V
Design1 differ
Chassis typeDiffersMicro TowerTower
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneKensington
Product colourBlackBlack
External drive baysKnown for one1x 3.5", 2x 5.25"
Internal drive baysKnown for one2x 3.5"
Software1 differ
Operating system installedDiffersWindows 7 Home PremiumWindows 7 Professional
Display1 differ
Display includedDiffersNoYes
Display diagonalKnown for one54.6 cm (21.5")
DisplayKnown for oneLCD
Processor special features11 differ
CPU configuration (max)11
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Graphics & IMC lithographyKnown for one45 nm
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyNoNo
Intel Demand Based SwitchingNoNo
Intel Dual Display Capable TechnologyDiffersNoYes
Intel Enhanced Halt StateYesYes
Intel FDI TechnologyDiffersNoYes
Intel Fast Memory AccessNoNo
Intel Flex Memory AccessNoNo
Intel Rapid Storage TechnologyNoNo
Intel Trusted Execution TechnologyDiffersNoYes
Intel VT-x with Extended Page Tables (EPT)DiffersNoYes
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)NoNo
Intel® InTru™ 3D TechnologyNoNo
Intel® Insider™NoNo
Intel® Wireless Display (Intel® WiDi)NoNo
Physical Address Extension (PAE)Known for one36 bit
Processor ARK IDDiffers4280143546
Processor package size37.5 x 37.5 mm37.5 x 37.5 mm
Supported instruction setsKnown for oneSSE4.2
Thermal Monitoring TechnologiesDiffersYesNo
Intel® Turbo Boost TechnologyDiffersNo1.0
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersNoYes
Intel® Quick Sync Video TechnologyNoNo
Intel® My WiFi Technology (Intel® MWT)NoNo
Intel® Anti-Theft Technology (Intel® AT)NoNo
Conflict-Free processorNoNo
Audio1 differ
Audio systemDiffersHigh Definition AudioHD
Built-in microphoneKnown for oneYes
Weight & dimensions3 differ
WidthDiffers180 mm175 mm
DepthDiffers441 mm442 mm
HeightDiffers361 mm414 mm
WeightKnown for one13 kg
Packaging contentidentical
Remote control includedNoNo
Certificates1 differ
Compliance industry standardsDiffersIEEE802.3, IEEE802.3u, IEEE802.3abIEEE 802.3/802.3u/802.3ab
CertificationKnown for oneCE, CB, FCC
Other featuresidentical
TV tuner integratedNoNo

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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