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Product comparison · 2 pcs/workstations

Lenovo E20 + 23" vs Lenovo ThinkCentre A70z

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  • 78specifications compared
  • 37differ
  • 41identical
  • 44known for one product only

Key differences

The Lenovo E20 + 23" has 2 more processor cores than the Lenovo ThinkCentre A70z (4 vs 2). The Lenovo E20 + 23" has 6 more processor threads than the Lenovo ThinkCentre A70z (8 vs 2). The Lenovo ThinkCentre A70z has 0.53 GHz more processor frequency than the Lenovo E20 + 23" (3.06 GHz vs 2.53 GHz). Only the Lenovo E20 + 23" has ECC supported by processor. Only the Lenovo E20 + 23" has Intel Demand Based Switching.

  • Processor family
    • Intel® Xeon® 3000 Sequence
    • Intel® Core™2 Duo
  • Processor model
    • X3440
    • E7600
  • Processor cores
    • 4
    • 2
  • Processor threads
    • 8
    • 2
  • Processor frequency
    • 2.53 GHz
    • 3.06 GHz
  • Processor cache
    • 8 MB
    • 3 MB
  • Processor cache type
    • Smart Cache
    • L2
  • Bus type
    • DMI
    • FSB

Side by side

Differences highlightedShow differences only
122 specifications
A

Lenovo

E20 + 23"View product
B

Lenovo

ThinkCentre A70zView product
Processor18 differ
Processor familyDiffersIntel® Xeon® 3000 SequenceIntel® Core™2 Duo
Processor modelDiffersX3440E7600
Processor coresDiffers42
Processor threadsDiffers82
Processor boost frequencyKnown for one2.93 GHz
Processor frequencyDiffers2.53 GHz3.06 GHz
Processor cacheDiffers8 MB3 MB
Processor cache typeDiffersSmart CacheL2
Bus typeDiffersDMIFSB
System bus rateKnown for one2.5 GT/s
Processor seriesDiffersIntel Xeon 3400 SeriesIntel Core 2 Duo E7000 Series
Processor codenameDiffersLynnfieldWolfdale
Processor system typeKnown for oneUp
Thermal Design Power (TDP)Differs95 W65 W
TcaseDiffers72.7 °C74.1 °C
Maximum number of PCI Express lanesKnown for one16
PCI Express configurationsKnown for one1x16, 2x8, 4x4
PCI Express slots versionKnown for one2.0
Number of processors installedKnown for one1
Processor socketDiffersLGA 1156 (Socket H)LGA 775 (Socket T)
Number of Processing Die TransistorsDiffers774 M228 M
Processing Die sizeDiffers296 mm²82 mm²
CPU multiplier (bus/core ratio)Differs1911.5
SteppingDiffersB1R0
Maximum internal memory supported by processorKnown for one32 GB
Memory types supported by processorKnown for oneDDR3 800/1066/1333
Memory bandwidth supported by processor (max)Known for one21 GB/s
ECC supported by processorDiffersYesNo
Processor front side busKnown for one1066 MHz
Memory1 differ
Maximum internal memoryDiffers16 GB4 GB
Memory clock speedKnown for one1333 MHz
Memory channelsKnown for oneDual-channel
Memory slotsKnown for one2x DIMM
Storageidentical
Number of HDDs installedKnown for one1
HDD capacityKnown for one500 GB
Total storage capacityKnown for one320 GB
Optical drive typeKnown for oneDVD-RW
Floppy drive installedKnown for oneNo
Performance1 differ
Product typeDiffersWorkstationPC
Motherboard chipsetKnown for oneIntel® 3450
Network1 differ
Networking featuresDiffersGigabit Ethernet (10/100/1000)Gigabit Ethernet
Ethernet LANKnown for oneYes
Wi-FiKnown for oneYes
Wireless technologyKnown for oneIEEE 802.11b/g/n
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers106
Firewire (IEEE 1394) portsKnown for one2
eSATA ports quantityKnown for one1
Serial ports quantityKnown for one1
VGA (D-Sub) ports quantityKnown for one1
DVI portKnown for oneNo
Power1 differ
Power supply typeKnown for one100 - 240 VAC, 50/60 Hz
Power supplyDiffers280 W130 W
Designidentical
Product colourKnown for oneBlack
Softwareidentical
Operating system architectureKnown for one64-bit
Display1 differ
Display diagonalDiffers58.4 cm (23")48.3 cm (19")
Display resolutionKnown for one1440 x 900 pixels
Contrast ratio (typical)Known for one1000:1
Display brightnessKnown for one300 cd/m²
Processor special features8 differ
CPU configuration (max)Known for one1
Intel Demand Based SwitchingDiffersYesNo
Intel Trusted Execution TechnologyDiffersYesNo
Intel VT-x with Extended Page Tables (EPT)DiffersYesNo
Intel Virtualization Technology for Directed I/O (VT-d)DiffersYesNo
Physical Address Extension (PAE)Known for one36 bit
Processor ARK IDDiffers4292841495
Processor codeKnown for oneSLBLF
Supported instruction setsKnown for oneSSE4.2
Thermal Monitoring TechnologiesDiffersNoYes
Intel® Turbo Boost TechnologyDiffers1.0No
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersYesNo
Audio1 differ
Audio systemDiffersRealtek ALC662CX20582-11Z
Weight & dimensions4 differ
WidthDiffers175 mm472 mm
DepthDiffers430.8 mm73 mm
HeightDiffers425.2 mm356.1 mm
WeightDiffers11.2 kg8 kg
Graphicsidentical
On-board graphics cardKnown for oneYes
Discrete graphics card modelKnown for oneIntel® GMA X4500
Graphics card familyKnown for oneIntel
Packaging contentidentical
Remote control includedKnown for oneNo
Multimediaidentical
Built-in cameraKnown for oneYes
Other featuresidentical
TV tuner integratedKnown for oneNo

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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