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Product comparison · 2 all-in-one pcs/workstations

Lenovo ThinkCentre Edge 91z Intel® Core™ i5 i5-2400S vs Lenovo IdeaCentre B520

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  • 118specifications compared
  • 35differ
  • 83identical
  • 40known for one product only

Key differences

  • Display diagonal
    • 54.6 cm (21.5")
    • 58.4 cm (23")
  • Display brightness
    • 250 cd/m²
    • 300 cd/m²
  • Processor family
    • Intel® Core™ i5
    • Intel® Core™ i7
  • Processor generation
    • 2nd gen Intel® Core™ i5
    • 2nd gen Intel® Core™ i7
  • Processor model
    • i5-2400S
    • i7-2600
  • Processor threads
    • 4
    • 8
  • Processor boost frequency
    • 3.3 GHz
    • 3.8 GHz
  • Processor frequency
    • 2.5 GHz
    • 3.4 GHz

Side by side

Differences highlightedShow differences only
158 specifications
A

Lenovo

ThinkCentre Edge 91z Intel® Core™ i5 i5-2400S

Model 91z

View product
B

Lenovo

IdeaCentre B520View product
Display2 differ
Display diagonalDiffers54.6 cm (21.5")58.4 cm (23")
Display brightnessDiffers250 cd/m²300 cd/m²
Contrast ratio (typical)Known for one1000:1
TouchscreenKnown for oneYes
Full HDKnown for oneYes
Touch technologyKnown for oneMulti-touch
Processor11 differ
Processor familyDiffersIntel® Core™ i5Intel® Core™ i7
Processor generationDiffers2nd gen Intel® Core™ i52nd gen Intel® Core™ i7
Processor modelDiffersi5-2400Si7-2600
Processor threadsDiffers48
Processor boost frequencyDiffers3.3 GHz3.8 GHz
Processor frequencyDiffers2.5 GHz3.4 GHz
Processor cacheDiffers6 MB8 MB
Thermal Design Power (TDP)Differs65 W95 W
CPU multiplier (bus/core ratio)Differs3134
Processor seriesDiffersIntel Core i5-2400 Desktop SeriesIntel Core i7-2600 Desktop Series
TcaseDiffers69.1 °C72.6 °C
64-bit computingKnown for oneYes
Processor codeKnown for oneSR00B
Memory2 differ
Internal memoryDiffers4 GB8 GB
Maximum internal memoryDiffers8 GB16 GB
Memory layout (slots x size)Known for one1 x 4 GB
Memory slotsKnown for one4
Memory slots typeKnown for oneSO-DIMM
Storage3 differ
Total storage capacityDiffers500 GB2 TB
HDD capacityKnown for one500 GB
HDD interfaceDiffersSATA IIISATA
Optical drive typeDiffersDVD-RWBlu-Ray ROM
Storage mediaKnown for oneHDD
Number of storage drives installedKnown for one1
Compatible memory cardsKnown for oneMemory Stick (MS), MMC, MS PRO, SD, SDHC, SDXC
Graphics2 differ
Discrete graphics card modelDiffersNot availableNVIDIA® GeForce® GT 555M
On-board graphics card dynamic frequency (max)Differs1100 MHz1350 MHz
Discrete graphics card memoryKnown for one1 GB
Audio1 differ
Audio systemDiffersHDSRS Premium Sound
Built-in speaker(s)Known for oneYes
RMS rated powerKnown for one15 W
Cameraidentical
Total megapixelsKnown for one0.3 MP
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers64
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers02
HDMI ports quantityDiffers12
VGA (D-Sub) ports quantityDiffers10
DisplayPorts quantityKnown for one0
DVI portKnown for oneNo
Firewire (IEEE 1394) portsKnown for one0
PS/2 ports quantityKnown for one0
Serial ports quantityKnown for one0
Design1 differ
Product colourDiffersBlackBlack, Silver
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneKensington
Performanceidentical
Motherboard chipsetKnown for oneIntel® B65 Express
Software1 differ
Operating system installedDiffersWindows 7 ProfessionalWindows 7 Home Premium
Processor special features3 differ
Embedded options availableDiffersNoYes
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersNoYes
Processor ARK IDDiffers5220852213
Weight & dimensions3 differ
Width (with stand)Differs545 mm567.8 mm
Depth (with stand)Differs81 mm76.5 mm
Height (with stand)Differs414 mm426.7 mm
Weight (with stand)Known for one10.1 kg
Packaging contentidentical
Quick start guideKnown for oneYes
Other features2 differ
Graphics card familyDiffersIntelIntel, NVIDIA
BD interface typeKnown for oneSATA
Cabling technologyKnown for one10/100/1000Base-T(X)
Chassis typeKnown for oneAll-in-One
DisplayKnown for oneLCD
Display includedKnown for oneYes
Megapixel (approx.)Known for one2 MP
Modem (RJ-11) portsKnown for one0
Number of processors installedKnown for one1
Parallel ports quantityKnown for one0
Power supplyDiffers150 W250 W
SpeakersKnown for oneYes
Compliance industry standardsKnown for oneIEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Networking featuresKnown for oneGigabit Ethernet
Storage drive interfaceKnown for oneSerial ATA

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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