All categories
Phones & WearablesView all 31

Departments

Phones & WearablesComputers & TabletsComponents & StorageNetworkingPrinting & OfficePower & ChargingTV, Audio & VideoGaming, Toys & RobotsKitchen AppliancesHome AppliancesPersonal Care & HealthSmart Home & SecurityCar & MobilityTools & GardenCameras & Photo

Shopping country

Browse

All categoriesCompare products

Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A51p - Pentium 4 550, 512MB, 160GB, Win XP Home vs NEC PowerMate ML450 MicroTower - Intel Pentium D 820, 1024MB, 80GB, DVD-ROM, Win XP Pro

Add a product
  • 63specifications compared
  • 21differ
  • 42identical
  • 41known for one product only

Key differences

  • Processor family
    • Intel® Pentium® 4
    • Intel® Pentium® D
  • Processor model
    • 550
    • 820
  • Processor cores
    • 1
    • 2
  • Processor frequency
    • 3.4 GHz
    • 2.8 GHz
  • Processor cache
    • 1 MB
    • 2 MB
  • Tcase
    • 72.8 °C
    • 64.1 °C
  • Internal memory
    • 0.5 GB
    • 1 GB
  • Total storage capacity
    • 160 GB
    • 80 GB

Side by side

Differences highlightedShow differences only
104 specifications
A

Lenovo

ThinkCentre A51p - Pentium 4 550, 512MB, 160GB, Win XP HomeView product
B

NEC

PowerMate ML450 MicroTower - Intel Pentium D 820, 1024MB, 80GB, DVD-ROM, Win XP ProView product
Processor6 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Pentium® 4Intel® Pentium® D
Processor modelDiffers550820
Processor coresDiffers12
Processor threadsKnown for one2
Processor frequencyDiffers3.4 GHz2.8 GHz
Processor cacheDiffers1 MB2 MB
Processor cache typeL2L2
Processor front side bus800 MHz800 MHz
Bus typeFSBFSB
FSB ParityNoNo
Processor lithographyKnown for one90 nm
Processor operating modesKnown for one64-bit
Processor seriesKnown for oneIntel Pentium D 800 Series
Processor codenameKnown for oneSmithfield
Thermal Design Power (TDP)Known for one95 W
TcaseDiffers72.8 °C64.1 °C
Number of processors installedKnown for one1
Processor socketKnown for oneLGA 775 (Socket T)
Number of Processing Die TransistorsKnown for one230 M
Processing Die sizeKnown for one206 mm²
CPU multiplier (bus/core ratio)Known for one14
Processor core voltage (AC)Known for one1.25 - 1.40 V
ECC supported by processorNoNo
TjunctionKnown for one100 °C
Memory1 differ
Internal memoryDiffers0.5 GB1 GB
Maximum internal memory4 GB4 GB
Internal memory typeDDR2-SDRAMDDR2-SDRAM
Memory slotsKnown for one4x DIMM
Storage2 differ
Total storage capacityDiffers160 GB80 GB
Optical drive typeDiffersDVD-RWDVD-ROM
HDD speed7200 RPM7200 RPM
HDD interfaceKnown for oneSATA
Diskette drive memoryKnown for one1.44 MB
Graphics1 differ
Discrete graphics card modelDiffersAMD Radeon X600 ProIntel® GMA 950
Maximum graphics card memoryKnown for one0.224 GB
Video adapter resolutionKnown for one2048x1536 pixels
Video adapter, busKnown for onePCI Express
Performanceidentical
Product typePCPC
Networkidentical
Networking featuresGigabit EthernetGigabit Ethernet
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers86
Ethernet LAN (RJ-45) ports11
Headphone outputs11
Microphone inYesYes
VGA (D-Sub) ports quantity11
PS/2 ports quantity22
Serial ports quantityDiffers01
Parallel ports quantity11
DVI portKnown for oneNo
Firewire (IEEE 1394) portsKnown for one2
S/PDIF out portKnown for oneNo
SmartCard slotKnown for oneNo
TV-outKnown for oneNo
Modem (RJ-11) portsKnown for one1
USB 1.1 ports quantityKnown for one0
Expansion slotsidentical
Expansion slotsKnown for one1x PCI Express 16X 1x PCI Express 1X 2x PCI
Power1 differ
Power supplyDiffers310 W250 W
Power supply input voltageKnown for one110/220 V
Power supply input frequencyKnown for one50 - 60 Hz
Design1 differ
Chassis typeDiffersTowerMicro Tower
External drive baysKnown for one2x 5.25"; 2x 3.5"
Internal drive baysKnown for one2x 3.5"
Software1 differ
Operating system installedDiffersWindows XP Home EditionWindows XP Professional
Bundled softwareKnown for oneLotus SmartSuite Millennium ThinkVantage Client PC Doctor diagnostics ThinkVantage Rescue & Recovery
Displayidentical
Display includedNoNo
Processor special features2 differ
Embedded options availableKnown for oneNo
Enhanced Intel SpeedStep TechnologyNoNo
Execute Disable BitKnown for oneYes
Idle StatesDiffersNoYes
Intel 64Known for oneYes
Intel Clear Video TechnologyNoNo
Intel Demand Based SwitchingNoNo
Intel Dual Display Capable TechnologyNoNo
Intel Enhanced Halt StateDiffersNoYes
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)NoNo
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
Physical Address Extension (PAE)Known for one32 bit
Processor ARK IDKnown for one27512
Processor package sizeKnown for one37.5 x 37.5 mm
Thermal Monitoring TechnologiesNoNo
Intel® Turbo Boost TechnologyNoNo
Intel® Hyper Threading Technology (Intel® HT Technology)Known for oneNo
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 systemDiffersSoundMAX CadenzaAC'97
Weight & dimensions3 differ
WidthDiffers175 mm181 mm
DepthDiffers450 mm402 mm
HeightDiffers492 mm384 mm
WeightKnown for one13.5 kg
Certificatesidentical
SafetyKnown for oneCE Mark, EN 55022 B, EN50082-1, EN 60950

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.

More pcs/workstations comparisons

All pcs/workstations comparisons