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Product comparison · 2 pcs/workstations

Lenovo ThinkCentre M55 Ultra Small Desktop (8795-B4G), ES vs Lenovo ThinkCentre M57 Small Desktop (6087-A2G), NL

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  • 83specifications compared
  • 25differ
  • 58identical
  • 15known for one product only

Key differences

  • Processor family
    • Intel® Pentium® D
    • Intel® Core™2 Duo
  • Processor model
    • 925
    • E6550
  • Processor frequency
    • 3 GHz
    • 2.33 GHz
  • Processor front side bus
    • 800 MHz
    • 1333 MHz
  • Processor codename
    • Presler
    • Conroe
  • Thermal Design Power (TDP)
    • 95 W
    • 65 W
  • Tcase
    • 63.4 °C
    • 72 °C
  • Number of Processing Die Transistors
    • 376 M
    • 291 M

Side by side

Differences highlightedShow differences only
98 specifications
A

Lenovo

ThinkCentre M55 Ultra Small Desktop (8795-B4G), ESView product
B

Lenovo

ThinkCentre M57 Small Desktop (6087-A2G), NLView product
Processor11 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Pentium® DIntel® Core™2 Duo
Processor modelDiffers925E6550
Processor cores22
Processor threads22
Processor frequencyDiffers3 GHz2.33 GHz
Processor cache4 MB4 MB
Processor cache typeL2L2
Processor front side busDiffers800 MHz1333 MHz
Bus typeFSBFSB
FSB ParityNoNo
Processor lithography65 nm65 nm
Processor operating modes64-bit64-bit
Processor seriesDiffersIntel Pentium D 900 SeriesIntel Core 2 Duo E6000 Series
Processor codenameDiffersPreslerConroe
Thermal Design Power (TDP)Differs95 W65 W
TcaseDiffers63.4 °C72 °C
Number of processors installed11
Processor socketLGA 775 (Socket T)LGA 775 (Socket T)
Number of Processing Die TransistorsDiffers376 M291 M
Processing Die sizeDiffers162 mm²143 mm²
CPU multiplier (bus/core ratio)Differs157
SteppingKnown for oneG0
ECC supported by processorNoNo
Memory1 differ
Internal memory1 GB1 GB
Maximum internal memoryDiffers4 GB8 GB
Internal memory typeDDR2-SDRAMDDR2-SDRAM
Memory layout (slots x size)1 x 1 GB1 x 1 GB
Memory slotsKnown for one4x DIMM
Storage2 differ
Total storage capacityDiffers160 GB80 GB
Optical drive typeDiffersDVD-RWDVD-ROM
HDD interfaceSATASATA
HDD speed7200 RPM7200 RPM
Graphics1 differ
Discrete graphics card modelDiffersIntel® GMA 3000Intel® GMA X3100
Performanceidentical
Product typePCPC
Networkidentical
Networking featuresGigabit EthernetGigabit Ethernet
Ports & interfacesidentical
USB 2.0 ports quantity88
Ethernet LAN (RJ-45) ports11
Headphone outputs11
Line-outKnown for oneYes
Line-inKnown for oneYes
Microphone inYesYes
VGA (D-Sub) ports quantity11
PS/2 ports quantityKnown for one1
eSATA ports quantityKnown for one1
Serial ports quantityKnown for one1
Parallel ports quantity11
Expansion slotsidentical
Expansion slotsKnown for one1x PCI Express 16X LP 1x PCI LP
Power1 differ
Power requirementsKnown for one115-230V, 50/60Hz
Power availabilityDiffers225 W280 W
Designidentical
Chassis typeKnown for oneSmall Desktop
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneKensington
Softwareidentical
Operating system installedWindows Vista BusinessWindows Vista Business
Bundled softwareYesYes
Displayidentical
Display includedNoNo
Processor special features4 differ
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyNoNo
Intel Demand Based SwitchingNoNo
Intel Dual Display Capable TechnologyNoNo
Intel Enhanced Halt StateYesYes
Intel FDI TechnologyNoNo
Intel Fast Memory AccessNoNo
Intel Flex Memory AccessNoNo
Intel Rapid Storage TechnologyNoNo
Intel Trusted Execution TechnologyDiffersNoYes
Intel VT-x with Extended Page Tables (EPT)NoNo
Intel Virtualization Technology (VT-x)DiffersNoYes
Intel Virtualization Technology for Directed I/O (VT-d)NoNo
Intel® AES New Instructions (Intel® AES-NI)NoNo
Intel® Clear Video HD Technology (Intel® CVT HD)NoNo
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
Processor ARK IDDiffers2751730783
Processor codeKnown for oneSLA9X
Processor package size37.5 x 37.5 mm37.5 x 37.5 mm
Thermal Monitoring TechnologiesDiffersNoYes
Intel® Turbo Boost TechnologyNoNo
Intel® Hyper Threading Technology (Intel® HT Technology)NoNo
Intel® Quick Sync Video TechnologyNoNo
Intel® My WiFi Technology (Intel® MWT)NoNo
Intel® Anti-Theft Technology (Intel® AT)NoNo
Conflict-Free processorNoNo
Physical Address Extension (PAE)Known for oneYes
Audio1 differ
Audio systemDiffersADI 1983 HDAD1882
Weight & dimensions4 differ
WidthDiffers275 mm310 mm
DepthDiffers87.5 mm358 mm
HeightDiffers275 mm875 mm
WeightDiffers6.4 kg7.42 kg
Packaging contentidentical
Mouse includedYesYes
Other featuresidentical
Intel segment taggingEnterprise, ProfessionalEnterprise, Professional
HDD user passwordKnown 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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