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Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A51 Desktop Cel D335 (2.80GHz) 256MB 40GB CD LAN WXP Pro T vs Lenovo THINKCENTRE A51P DT P4-3.0 (530) 512M/80G/DVD/WXP/3YR TS(+++)

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  • 27specifications compared
  • 13differ
  • 14identical
  • 58known for one product only

Key differences

  • Processor family
    • Intel® Celeron®
    • Intel® Pentium® 4
  • Processor frequency
    • 2.8 GHz
    • 1.73 GHz
  • Internal memory
    • 0.25 GB
    • 0.5 GB
  • Total storage capacity
    • 40 GB
    • 80 GB
  • Optical drive type
    • CD-ROM
    • DVD-ROM
  • Power supply type
    • 110/220V
    • 110~220V
  • Width
    • 442 mm
    • 175 mm
  • Depth
    • 401 mm
    • 450 mm

Side by side

Differences highlightedShow differences only
85 specifications
A

Lenovo

ThinkCentre A51 Desktop Cel D335 (2.80GHz) 256MB 40GB CD LAN WXP Pro TView product
B

Lenovo

THINKCENTRE A51P DT P4-3.0 (530) 512M/80G/DVD/WXP/3YR TS(+++)View product
Processor2 differ
Processor familyDiffersIntel® Celeron®Intel® Pentium® 4
Processor modelKnown for one530
Processor coresKnown for one1
Processor threadsKnown for one1
Processor frequencyDiffers2.8 GHz1.73 GHz
Processor cacheKnown for one1 MB
Processor cache typeKnown for oneL2
Bus typeKnown for oneFSB
FSB ParityKnown for oneNo
Processor lithographyKnown for one65 nm
Processor operating modesKnown for one64-bit
Processor codenameKnown for oneMerom
Thermal Design Power (TDP)Known for one27 W
TcaseKnown for one67.7 °C
TjunctionKnown for one100 °C
Processor socketKnown for oneSocket AM2
Number of Processing Die TransistorsKnown for one291 M
Processing Die sizeKnown for one143 mm²
CPU multiplier (bus/core ratio)Known for one14
Processor core voltage (AC)Known for one0.95 - 1.30 V
SteppingKnown for oneA1
ECC supported by processorKnown for oneNo
Memory1 differ
Internal memoryDiffers0.25 GB0.5 GB
Cache internalKnown for one1.024 MB
Storage2 differ
Total storage capacityDiffers40 GB80 GB
Optical drive typeDiffersCD-ROMDVD-ROM
HDD speedKnown for one7200 RPM
Optical driveidentical
DVD read speedKnown for one16x
CD read speedKnown for one48x
Network1 differ
Networking featuresDiffersEthernet/Fast EthernetEthernet/Fast Ethernet/Gigabit Ethernet
Ports & interfaces1 differ
I/O portsDiffers-External Display (VGA) -External Microphone / Line in (back) -External Microphone / Line in (front) -Headphone / Line out (back) -Headphone / Line out (front) -Keyboard (PS/2) -Mouse (PS/2) -Parallel -RJ-45 -Serial -6 USB 2.0 (2 front, 4 back)-1 Parallel -External microphone (front) -External Display -Headphone/line out (front) -RJ-45 -8 USB 2.0 (2 front, 6 back) -Keyboard (PS/2) -Mouse (PS/2)
Power1 differ
Power supply typeDiffers110/220V110~220V
Softwareidentical
Bundled softwareKnown for oneAccess Program, ThinkVantage Rescue and Recovery with Rapid Restore, Norton AntiVirus 2005 with 90 days of virus definition upgrades, PC Doctor diagnostics
Processor special featuresidentical
Embedded options availableKnown for oneYes
Enhanced Intel SpeedStep TechnologyKnown for oneNo
Execute Disable BitKnown for oneYes
Idle StatesKnown for oneNo
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 oneNo
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 oneNo
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 one29733
Processor codeKnown for oneSLA2G
Processor package sizeKnown for one35 mm
Thermal Monitoring TechnologiesKnown for oneNo
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
Weight & dimensions4 differ
WidthDiffers442 mm175 mm
DepthDiffers401 mm450 mm
HeightDiffers146 mm492 mm
WeightDiffers14 kg13.5 kg
Other features1 differ
Security featuresDiffers-Security slot (for attachment of optional cable lock) -Serial port I/O control -U-Bolt anchoring feature -Boot without keyboard or mouse -Boot sequence control -Power on password -Diskette I/O control -Diskette boot inhibit -Configuration password -Hardfile I/O control -Parallel port I/O control-Serial port I/O control -Secure Data Disposal -Parallel port I/O control -Power on password -Kensington Lock Standard Enabled -Hard disk drive password -Hardfile I/O control -Embedded Security Subsystem standard -Diskette I/O control -Diskette boot inhibit -Configuration password -Boot sequence con

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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