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Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A51p, DK vs Lenovo ThinkCentre M55 Tower (881192G), BE

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  • 27specifications compared
  • 13differ
  • 14identical
  • 72known for one product only

Key differences

  • Processor family
    • Intel® Pentium® 4
    • Intel® Core™2 Duo
  • Processor frequency
    • 3.2 GHz
    • 1.86 GHz
  • Processor front side bus
    • 800 MHz
    • 1066 MHz
  • Internal memory
    • 0.5 GB
    • 1 GB
  • Maximum internal memory
    • 4 GB
    • 8 GB
  • Total storage capacity
    • 160 GB
    • 250 GB
  • USB 2.0 ports quantity
    • 8
    • 10
  • Audio system
    • SoundMAX Cadenza
    • ADI 1983 HD

Side by side

Differences highlightedShow differences only
99 specifications
A

Lenovo

ThinkCentre A51p, DKView product
B

Lenovo

ThinkCentre M55 Tower (881192G), BEView product
Processor3 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Pentium® 4Intel® Core™2 Duo
Processor modelKnown for oneE6300
Processor coresKnown for one2
Processor threadsKnown for one2
Processor frequencyDiffers3.2 GHz1.86 GHz
Processor cacheKnown for one2 MB
Processor cache typeKnown for oneL2
Processor front side busDiffers800 MHz1066 MHz
Bus typeKnown for oneFSB
FSB ParityKnown for oneNo
Processor lithographyKnown for one65 nm
Processor operating modesKnown for one64-bit
Processor codenameKnown for oneConroe
Thermal Design Power (TDP)Known for one65 W
TcaseKnown for one61.4 °C
Number of processors installedKnown for one1
Processor socketKnown for oneLGA 775 (Socket T)
Number of Processing Die TransistorsKnown for one167 M
Processing Die sizeKnown for one111 mm²
CPU multiplier (bus/core ratio)Known for one7
SteppingKnown for oneR0
ECC supported by processorKnown for oneNo
Memory2 differ
Internal memoryDiffers0.5 GB1 GB
Maximum internal memoryDiffers4 GB8 GB
Internal memory typeDDR2-SDRAMDDR2-SDRAM
Memory layout (slots x size)Known for one1 x 1 GB
Memory slotsKnown for one4x DIMM
Storage1 differ
Total storage capacityDiffers160 GB250 GB
Optical drive typeDVD-RWDVD-RW
HDD interfaceKnown for oneSATA
HDD speedKnown for one7200 RPM
Storage drive typeKnown for oneSATA
Diskette drive memoryKnown for one1.44 MB
Performanceidentical
Product typePCPC
Network1 differ
Networking featuresDiffersEthernet/Fast Ethernet/Gigabit EthernetGigabit Ethernet
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers810
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
Expansion slotsidentical
Expansion slotsKnown for one2x PCI 1x PCI Express 1X 1x PCI Express 16X
Poweridentical
Power supply310 W310 W
Power supply typeKnown for one110~220V
Designidentical
Chassis typeTowerTower
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneKensington
Software1 differ
Operating system installedWindows XP ProfessionalWindows XP Professional
Bundled softwareDiffersLotus Notes Stand-alone Client (license), Lotus SmartSuite Millennium (license), Lotus SmartSuite Millennium, Access program, IBM Director Agent (web deliverable), ThinkVantage Client Security Software (web-downloadable), Norton AntiVirus 2004 OEM Version, PC Doctor diagnostics, ThinkVantage RescueAdobe Acrobat Reader PC Doctor Diskeeper Lite Google ThinkVantage
Displayidentical
Display includedNoNo
Processor special featuresidentical
CPU configuration (max)Known for one1
Embedded options availableKnown for oneNo
Enhanced Intel SpeedStep TechnologyKnown for oneYes
Execute Disable BitKnown for oneYes
Idle StatesKnown for oneYes
Intel 64Known for oneYes
Intel Clear Video TechnologyKnown for oneNo
Intel Demand Based SwitchingKnown for oneNo
Intel Dual Display Capable TechnologyKnown for oneNo
Intel Enhanced Halt StateKnown for oneYes
Intel FDI TechnologyKnown for oneNo
Intel Fast Memory AccessKnown for oneNo
Intel Flex Memory AccessKnown for oneNo
Intel Rapid Storage TechnologyKnown for oneNo
Intel Trusted Execution TechnologyKnown for oneNo
Intel VT-x with Extended Page Tables (EPT)Known for oneNo
Intel Virtualization Technology (VT-x)Known for oneYes
Intel Virtualization Technology for Directed I/O (VT-d)Known for oneNo
Intel® AES New Instructions (Intel® AES-NI)Known for oneNo
Intel® Clear Video HD Technology (Intel® CVT HD)Known for oneNo
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for oneNo
Intel® InTru™ 3D TechnologyKnown for oneNo
Intel® Insider™Known for oneNo
Intel® Wireless Display (Intel® WiDi)Known for oneNo
Processor ARK IDKnown for one27248
Processor codeKnown for oneSLGW2
Processor package sizeKnown for one37.5 x 37.5 mm
Thermal Monitoring TechnologiesKnown for oneYes
Intel® Turbo Boost TechnologyKnown for oneNo
Intel® Hyper Threading Technology (Intel® HT Technology)Known for oneNo
Intel® Quick Sync Video TechnologyKnown for oneNo
Intel® My WiFi Technology (Intel® MWT)Known for oneNo
Intel® Anti-Theft Technology (Intel® AT)Known for oneNo
Conflict-Free processorKnown for oneNo
Audio1 differ
Audio systemDiffersSoundMAX CadenzaADI 1983 HD
Weight & dimensions3 differ
WidthDiffers175 mm178 mm
Depth450 mm450 mm
HeightDiffers492 mm432 mm
WeightDiffers13.5 kg12.5 kg
Packaging contentidentical
Mouse includedKnown for oneYes
Other featuresidentical
HDD user passwordKnown for oneYes
Intel segment taggingKnown for oneEnterprise, Professional
Security featuresKnown for one-Parallel port I/O control -Power on password -Hard disk drive password -Diskette I/O control -Embedded Security Subsystem standard -Boot sequence control -Boot without keyboard or mouse -Configuration password -Diskette boot inhibit -Serial port I/O control -Secure Data Disposal -Hardfile I/O contr
Graphicsidentical
Discrete graphics card modelKnown for oneIntel® GMA 900
Video adapter, busKnown for onePCI Express

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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