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Product comparison · 2 pcs/workstations

Lenovo ThinkCentre M55 Small Desktop (8804-91G), UK vs Lenovo ThinkCentre M55e Small Desktop (9645-Q1G), DE

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  • 85specifications compared
  • 13differ
  • 72identical
  • 13known for one product only

Key differences

The Lenovo ThinkCentre M55 Small Desktop (8804-91G), UK has 0.06 GHz more processor frequency than the Lenovo ThinkCentre M55e Small Desktop (9645-Q1G), DE (1.86 GHz vs 1.8 GHz). The Lenovo ThinkCentre M55 Small Desktop (8804-91G), UK has 266 MHz more processor front side bus than the Lenovo ThinkCentre M55e Small Desktop (9645-Q1G), DE (1066 MHz vs 800 MHz). The Lenovo ThinkCentre M55e Small Desktop (9645-Q1G), DE has 2 more CPU multiplier (bus/core ratio) than the Lenovo ThinkCentre M55 Small Desktop (8804-91G), UK (9 vs 7). Only the Lenovo ThinkCentre M55e Small Desktop (9645-Q1G), DE has embedded options available. Only the Lenovo ThinkCentre M55 Small Desktop (8804-91G), UK has Intel Virtualization Technology (VT-x).

  • Processor model
    • E6300
    • E4300
  • Processor frequency
    • 1.86 GHz
    • 1.8 GHz
  • Processor front side bus
    • 1066 MHz
    • 800 MHz
  • CPU multiplier (bus/core ratio)
    • 7
    • 9
  • Total storage capacity
    • 250 GB
    • 80 GB
  • Optical drive type
    • DVD-RW
    • DVD-ROM
  • Expansion slots
    • 1x PCI Express 1X 1x PCI
    • 1x PCI 1x PCI Express 1x PCI
  • Chassis type
    • SFF
    • Small Desktop

Side by side

Differences highlightedShow differences only
98 specifications
A

Lenovo

ThinkCentre M55 Small Desktop (8804-91G), UKView product
B

Lenovo

ThinkCentre M55e Small Desktop (9645-Q1G), DEView product
Processor4 differ
Processor manufacturerIntelIntel
Processor familyIntel® Core™2 DuoIntel® Core™2 Duo
Processor modelDiffersE6300E4300
Processor cores22
Processor threads22
Processor frequencyDiffers1.86 GHz1.8 GHz
Processor cache2 MB2 MB
Processor cache typeL2L2
Processor front side busDiffers1066 MHz800 MHz
Bus typeFSBFSB
FSB ParityNoNo
Processor lithography65 nm65 nm
Processor operating modes64-bit64-bit
Processor codenameConroeConroe
Thermal Design Power (TDP)65 W65 W
Tcase61.4 °C61.4 °C
Number of processors installed11
Processor socketLGA 775 (Socket T)LGA 775 (Socket T)
Number of Processing Die Transistors167 M167 M
Processing Die size111 mm²111 mm²
CPU multiplier (bus/core ratio)Differs79
SteppingKnown for oneR0
ECC supported by processorNoNo
Processor seriesKnown for oneIntel Core 2 Duo E4000 Series
Scenario Design Power (SDP)Known for one12 W
Processor core voltage (AC)Known for one1.225 - 1.325 V
Memoryidentical
Internal memory1 GB1 GB
Maximum internal memory4 GB4 GB
Internal memory typeDDR2-SDRAMDDR2-SDRAM
Memory layout (slots x size)Known for one1 x 1 GB
Memory slotsKnown for one2x DIMM
Storage2 differ
Total storage capacityDiffers250 GB80 GB
Optical drive typeDiffersDVD-RWDVD-ROM
HDD interfaceSATASATA
HDD speed7200 RPM7200 RPM
Graphicsidentical
Discrete graphics card modelIntel® GMA 3000Intel® GMA 3000
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
Parallel ports quantity11
PS/2 ports quantityKnown for one2
Serial ports quantityKnown for one1
Expansion slots1 differ
Expansion slotsDiffers1x PCI Express 1X 1x PCI1x PCI 1x PCI Express 1x PCI
Poweridentical
Power supply225 W225 W
Design2 differ
Chassis typeDiffersSFFSmall Desktop
Cable lock slotYesYes
Cable lock slot typeDiffersKensingtonIBM
Softwareidentical
Operating system installedWindows XP ProfessionalWindows XP Professional
Bundled softwareKnown for oneYes
Displayidentical
Display includedNoNo
Processor special features3 differ
CPU configuration (max)Known for one1
Embedded options availableDiffersNoYes
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 TechnologyNoNo
Intel VT-x with Extended Page Tables (EPT)NoNo
Intel Virtualization Technology (VT-x)DiffersYesNo
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 IDDiffers2724828024
Processor codeKnown for oneSLGW2
Processor package size37.5 x 37.5 mm37.5 x 37.5 mm
Thermal Monitoring TechnologiesYesYes
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
Audio1 differ
Audio systemDiffersADI 1983 HDADI 1986 A
Weight & dimensionsidentical
Width310 mm310 mm
Depth358 mm358 mm
Height87.5 mm87.5 mm
Weight8.5 kg8.5 kg
Packaging contentidentical
Mouse includedYesYes
Other featuresidentical
HDD user passwordYesYes
Intel segment taggingEnterprise, ProfessionalEnterprise, Professional

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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