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Product comparison · 2 pcs/workstations

HP Pavilion a6721nl vs Lenovo ThinkCentre A57e

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  • 78specifications compared
  • 35differ
  • 43identical
  • 17known for one product only

Key differences

The HP Pavilion a6721nl has 1 more processor cores than the Lenovo ThinkCentre A57e (2 vs 1). The HP Pavilion a6721nl has 0.8 GHz more processor frequency than the Lenovo ThinkCentre A57e (2.4 GHz vs 1.6 GHz). The HP Pavilion a6721nl has 0.488 MB more processor cache than the Lenovo ThinkCentre A57e (1 MB vs 0.512 MB). Only the HP Pavilion a6721nl has card reader integrated. Only the HP Pavilion a6721nl has enhanced Intel SpeedStep Technology.

  • Processor family
    • Intel® Pentium®
    • Intel Atom®
  • Processor model
    • E2220
    • 230
  • Processor cores
    • 2
    • 1
  • Processor frequency
    • 2.4 GHz
    • 1.6 GHz
  • Processor cache
    • 1 MB
    • 0.512 MB
  • Processor front side bus
    • 800 MHz
    • 533 MHz
  • Processor lithography
    • 65 nm
    • 45 nm
  • Processor codename
    • Conroe
    • Diamondville

Side by side

Differences highlightedShow differences only
95 specifications
A

HP

Pavilion a6721nlView product
B

Lenovo

ThinkCentre A57eView product
Processor15 differ
Processor familyDiffersIntel® Pentium®Intel Atom®
Processor modelDiffersE2220230
Processor coresDiffers21
Processor frequencyDiffers2.4 GHz1.6 GHz
Processor cacheDiffers1 MB0.512 MB
Processor front side busDiffers800 MHz533 MHz
Processor lithographyDiffers65 nm45 nm
Processor seriesDiffersIntel Pentium E2000 Series for DesktopIntel Atom 200 Series
Processor codenameDiffersConroeDiamondville
Thermal Design Power (TDP)Differs65 W4 W
TcaseDiffers73.3 °C85.2 °C
Processor socketDiffersLGA 775 (Socket T)BGA 437
Number of Processing Die TransistorsDiffers105 M47 M
Processing Die sizeDiffers77 mm²26 mm²
SteppingDiffersM0C0
Memory1 differ
Internal memoryDiffers3 GB1 GB
Maximum internal memoryKnown for one2 GB
Memory clock speedKnown for one667 MHz
Storage3 differ
Total storage capacityDiffers320 GB160 GB
HDD interfaceDiffersSATA IISATA
Card reader integratedDiffersYesNo
Compatible memory cardsKnown for oneMMC, MS Duo, MS Pro, MS Pro Duo, SD, xD
Optical drive typeKnown for oneDVD±RW
Number of HDDs installedKnown for one1
Graphics1 differ
Discrete graphics card modelDiffersNVIDIA GeForce 100Intel® GMA 950
Optical driveidentical
LightScribeKnown for oneYes
Network1 differ
Networking featuresDiffersEthernet/Fast EthernetGigabit Ethernet
Ports & interfaces3 differ
HDMI ports quantityKnown for one1
VGA (D-Sub) ports quantityDiffers01
DVI portKnown for oneYes
Serial ports quantityDiffers01
Parallel ports quantityDiffers01
Power1 differ
Power supplyDiffers300 W280 W
Power supply input voltageKnown for one110 - 220 V
Power supply input frequencyKnown for one50 - 60 Hz
Designidentical
Country of originKnown for oneChina
Software1 differ
Operating system installedDiffersWindows Vista Home PremiumWindows XP Professional
Bundled softwareKnown for oneMediaSmart DVD; Windows Movie Maker & Windows DVD Maker; CyberLink DVD Suite 6; HP MediaSmart Software Suite; Muvee Reveal Basic; Microsoft Works 9; HP Recovery Manager
Processor special features8 differ
Enhanced Intel SpeedStep TechnologyDiffersYesNo
Idle StatesDiffersYesNo
Intel Enhanced Halt StateDiffersYesNo
Processor ARK IDDiffers3243035635
Processor codeDiffersSLA8WSLB6Z
Processor package sizeDiffers37.5 x 37.5 mm22 x 22 mm
Thermal Monitoring TechnologiesDiffersYesNo
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersNoYes
Supported instruction setsKnown for oneSSE2, SSE3, SSSE3
Audio1 differ
Audio systemDiffersHigh Definition Audio 5.1Realtek ALC662
Weight & dimensionsidentical
WidthKnown for one175 mm
DepthKnown for one414 mm
HeightKnown for one387 mm
WeightKnown for one9.6 kg

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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