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Product comparison · 2 pcs/workstations

Lenovo 3000 J105 vs Lenovo ThinkCentre A51 Intel® Pentium® 4 630

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  • 30specifications compared
  • 15differ
  • 15identical
  • 68known for one product only

Key differences

  • Processor manufacturer
    • AMD
    • Intel
  • Processor family
    • AMD Sempron
    • Intel® Pentium® 4
  • Processor model
    • 3400+
    • 630
  • Processor frequency
    • 2 GHz
    • 3 GHz
  • Internal memory
    • 0.5 GB
    • 0.25 GB
  • Maximum internal memory
    • 2 GB
    • 4 GB
  • Discrete graphics card model
    • Intel® GMA 950
    • Intel® GMA 900
  • Power supply
    • 250 W
    • 310 W

Side by side

Differences highlightedShow differences only
98 specifications
A

Lenovo

3000 J105View product
B

Lenovo

ThinkCentre A51 Intel® Pentium® 4 630

Model A51

View product
Processor4 differ
Processor manufacturerDiffersAMDIntel
Processor familyDiffersAMD SempronIntel® Pentium® 4
Processor modelDiffers3400+630
Processor coresKnown for one1
Processor threadsKnown for one2
Processor frequencyDiffers2 GHz3 GHz
Processor cacheKnown for one2 MB
Processor cache typeKnown for oneL2
Processor front side busKnown for one800 MHz
Bus typeKnown for oneFSB
FSB ParityKnown for oneNo
Processor lithographyKnown for one90 nm
Processor operating modesKnown for one64-bit
Processor seriesKnown for oneIntel Pentium 4 600 Series supporting Hyper-Threading Technology
Processor codenameKnown for onePrescott
Thermal Design Power (TDP)Known for one84 W
TcaseKnown for one66.6 °C
Processor socketKnown for oneLGA 775 (Socket T)
Number of Processing Die TransistorsKnown for one169 M
Processing Die sizeKnown for one135 mm²
CPU multiplier (bus/core ratio)Known for one15
ECC supported by processorKnown for oneNo
Memory2 differ
Internal memoryDiffers0.5 GB0.25 GB
Maximum internal memoryDiffers2 GB4 GB
Internal memory typeKnown for oneDDR2-SDRAM
Storageidentical
Storage drive typeKnown for oneSATA
Diskette drive memoryKnown for one1.44 MB
HDD interfaceKnown for oneSATA
Graphics1 differ
Discrete graphics card modelDiffersIntel® GMA 950Intel® GMA 900
Video adapter resolutionKnown for one2048x1536 16777216 colors
Video adapter, busKnown for onePCI Express
Performanceidentical
Motherboard chipsetKnown for oneVIA K8M800
Optical driveidentical
CD read speedKnown for one48x
CD write speedKnown for one48x
CD rewrite speedKnown for one32x
Ports & interfacesidentical
Firewire (IEEE 1394) portsKnown for one0
TV-outKnown for oneNo
Modem (RJ-11) portsKnown for one0
USB 1.1 ports quantityKnown for one0
Line-outKnown for oneYes
Line-inKnown for oneYes
Power1 differ
Power supplyDiffers250 W310 W
Design1 differ
Chassis typeDiffersTowerDesktop
Software1 differ
Operating system installedDiffersWindows XP Home EditionWindows XP Professional
Bundled softwareKnown for oneAdobe Acrobat Reader, Diskeeper Lite, Google Desktop, Google Toolbar, Intervideo WinDVD, Lenovo Care, Lenovo Password Manager, Lotus Notes Stand-alone Client, Lotus SmartSuite Millennium, Norton Internet Security (OEM), PC-Doctor, Picasa - Google, Roxio Digital Media LE, ThinkVantage Rescue & Recove
Processor special featuresidentical
Embedded options availableKnown for oneNo
Enhanced Intel SpeedStep TechnologyKnown for oneYes
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 one27478
Processor package sizeKnown for one37.5 x 37.5 mm
Thermal Monitoring TechnologiesKnown for oneNo
Intel® Turbo Boost TechnologyKnown for oneNo
Intel® Hyper Threading Technology (Intel® HT Technology)Known for oneYes
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 systemDiffersAC-97SoundMAX Cadenza
Weight & dimensions4 differ
WidthDiffers180 mm442 mm
DepthDiffers445 mm401 mm
HeightDiffers392 mm146 mm
WeightDiffers9.2 kg14 kg
Other featuresidentical
Security featuresKnown for one-Parallel port I/O control -Configuration password -Diskette boot inhibit -Diskette I/O control -Hardfile I/O control -Boot sequence control -Boot without keyboard or mouse -Power on password -Security slot (for attachment of optional cable lock) -Serial port I/O control -U-Bolt anchoring feature

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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