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

Lenovo IdeaCentre B520 - VBT2BUK vs Lenovo IdeaCentre B540

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  • 7specifications compared
  • 2differ
  • 5identical
  • 140known for one product only

Key differences

  • Processor frequency
    • IdeaCentre B520 - VBT2BUK:3 GHz
    • IdeaCentre B540:2.8 GHz
  • Memory clock speed
    • IdeaCentre B520 - VBT2BUK:1333 MHz
    • IdeaCentre B540:1600 MHz

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Differences highlightedShow differences only (off)
Comparison of IdeaCentre B520 - VBT2BUK, IdeaCentre B540
147 specifications
Displayidentical
Display diagonal58.4 cm (23")58.4 cm (23")
Display resolution1920 x 1080 pixels1920 x 1080 pixels
TouchscreenKnown for oneUnknown — not stated by the sourceYes
HD typeFull HDFull HD
Full HDKnown for oneUnknown — not stated by the sourceYes
LED backlightKnown for oneUnknown — not stated by the sourceYes
Touch technologyKnown for oneUnknown — not stated by the sourceMulti-touch
Native aspect ratioKnown for oneUnknown — not stated by the source16:9
Processor1 differ
Processor manufacturerKnown for oneUnknown — not stated by the sourceIntel
Processor familyKnown for oneUnknown — not stated by the sourceIntel® Core™ i5
Processor generationKnown for oneUnknown — not stated by the source3rd gen Intel® Core™ i5
Processor modelKnown for oneUnknown — not stated by the sourcei5-3450S
Processor coresKnown for oneUnknown — not stated by the source4
Processor threadsKnown for oneUnknown — not stated by the source4
Processor boost frequencyKnown for oneUnknown — not stated by the source3.5 GHz
Processor frequencyDiffers3 GHz2.8 GHz
Processor cache6 MB6 MB
Processor cache typeKnown for oneUnknown — not stated by the sourceSmart Cache
Processor socketKnown for oneUnknown — not stated by the sourceLGA 1155 (Socket H2)
System bus rateKnown for oneUnknown — not stated by the source5 GT/s
Thermal Design Power (TDP)Known for oneUnknown — not stated by the source65 W
Bus typeKnown for oneUnknown — not stated by the sourceDMI
CPU multiplier (bus/core ratio)Known for oneUnknown — not stated by the source28
FSB ParityKnown for oneUnknown — not stated by the sourceNo
PCI Express configurationsKnown for oneUnknown — not stated by the source1x8, 1x16, 2x4, 2x8
PCI Express slots versionKnown for oneUnknown — not stated by the source3.0
Processor codenameKnown for oneUnknown — not stated by the sourceIvy Bridge
Processor lithographyKnown for oneUnknown — not stated by the source22 nm
Processor operating modesKnown for oneUnknown — not stated by the source64-bit
Processor seriesKnown for oneUnknown — not stated by the sourceIntel Core i5-3400 Desktop series
SteppingKnown for oneUnknown — not stated by the sourceE1
TcaseKnown for oneUnknown — not stated by the source69.1 °C
Conflict-Free processorKnown for oneUnknown — not stated by the sourceYes
Maximum internal memory supported by processorKnown for oneUnknown — not stated by the source32 GB
Memory types supported by processorKnown for oneUnknown — not stated by the sourceDDR3-SDRAM
Memory clock speeds supported by processorKnown for oneUnknown — not stated by the source1333,1600 MHz
Memory bandwidth supported by processor (max)Known for oneUnknown — not stated by the source25.6 GB/s
Memory channels supported by processorKnown for oneUnknown — not stated by the sourceDual
ECC supported by processorKnown for oneUnknown — not stated by the sourceNo
Memory1 differ
Internal memoryKnown for oneUnknown — not stated by the source8 GB
Internal memory typeKnown for oneUnknown — not stated by the sourceDDR3-SDRAM
Memory slotsKnown for oneUnknown — not stated by the source2
Memory slots typeKnown for oneUnknown — not stated by the sourceSO-DIMM
Memory clock speedDiffers1333 MHz1600 MHz
Memory layout (slots x size)Known for oneUnknown — not stated by the source2 x 4 GB
Storageidentical
Total storage capacityKnown for oneUnknown — not stated by the source1 TB
Storage mediaKnown for oneUnknown — not stated by the sourceHDD
Number of storage drives installedKnown for oneUnknown — not stated by the source1
Number of HDDs installedKnown for oneUnknown — not stated by the source1
HDD speed7200 RPM7200 RPM
HDD interfaceKnown for oneUnknown — not stated by the sourceSATA
Optical drive typeKnown for oneUnknown — not stated by the sourceDVD±RW
Card reader integratedKnown for oneUnknown — not stated by the sourceYes
Compatible memory cardsKnown for oneUnknown — not stated by the sourceMemory Stick (MS), MMC, MS PRO, SD, SDHC, SDXC
HDD capacityKnown for one2 GBUnknown — not stated by the source
Graphicsidentical
Discrete graphics card memoryKnown for oneUnknown — not stated by the source2 GB
On-board graphics cardKnown for oneUnknown — not stated by the sourceYes
On-board graphics card familyKnown for oneUnknown — not stated by the sourceIntel® HD Graphics
On-board graphics card modelKnown for oneUnknown — not stated by the sourceIntel® HD Graphics 2500
Number of displays supported (on-board graphics)Known for oneUnknown — not stated by the source3
On-board graphics card base frequencyKnown for oneUnknown — not stated by the source650 MHz
On-board graphics card dynamic frequency (max)Known for oneUnknown — not stated by the source1100 MHz
On-board graphics card IDKnown for oneUnknown — not stated by the source0x152
Audioidentical
Built-in speaker(s)Known for oneUnknown — not stated by the sourceYes
Built-in microphoneKnown for oneUnknown — not stated by the sourceYes
Audio systemKnown for oneUnknown — not stated by the sourceHD
Cameraidentical
Built-in cameraKnown for oneUnknown — not stated by the sourceYes
Networkidentical
Wi-FiKnown for oneUnknown — not stated by the sourceYes
Wi-Fi standardsKnown for oneUnknown — not stated by the source802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANKnown for oneUnknown — not stated by the sourceYes
Ethernet LAN data ratesKnown for oneUnknown — not stated by the source10,100,1000 Mbit/s
BluetoothKnown for oneUnknown — not stated by the sourceNo
Ports & interfacesidentical
Ethernet LAN (RJ-45) portsKnown for oneUnknown — not stated by the source1
USB 2.0 ports quantityKnown for oneUnknown — not stated by the source4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for oneUnknown — not stated by the source0
HDMI ports quantityKnown for oneUnknown — not stated by the source1
VGA (D-Sub) ports quantityKnown for oneUnknown — not stated by the source0
Headphone outputsKnown for oneUnknown — not stated by the source1
Microphone inKnown for oneUnknown — not stated by the sourceYes
DC-in jackKnown for oneUnknown — not stated by the sourceYes
Designidentical
Product colourKnown for oneUnknown — not stated by the sourceBlack
Softwareidentical
Operating system installedKnown for oneUnknown — not stated by the sourceWindows 7 Home Premium
Operating system architectureKnown for oneUnknown — not stated by the source64-bit
Processor special featuresidentical
CPU configuration (max)Known for oneUnknown — not stated by the source1
Embedded options availableKnown for oneUnknown — not stated by the sourceNo
Enhanced Intel SpeedStep TechnologyKnown for oneUnknown — not stated by the sourceYes
Execute Disable BitKnown for oneUnknown — not stated by the sourceYes
Graphics & IMC lithographyKnown for oneUnknown — not stated by the source22 nm
Idle StatesKnown for oneUnknown — not stated by the sourceYes
Intel 64Known for oneUnknown — not stated by the sourceYes
Intel Clear Video TechnologyKnown for oneUnknown — not stated by the sourceNo
Intel Demand Based SwitchingKnown for oneUnknown — not stated by the sourceNo
Intel Dual Display Capable TechnologyKnown for oneUnknown — not stated by the sourceNo
Intel Enhanced Halt StateKnown for oneUnknown — not stated by the sourceYes
Intel FDI TechnologyKnown for oneUnknown — not stated by the sourceYes
Intel Fast Memory AccessKnown for oneUnknown — not stated by the sourceYes
Intel Flex Memory AccessKnown for oneUnknown — not stated by the sourceYes
Intel Identity Protection Technology versionKnown for oneUnknown — not stated by the source1.00
Intel Rapid Storage TechnologyKnown for oneUnknown — not stated by the sourceNo
Intel Secure Key Technology versionKnown for oneUnknown — not stated by the source1.00
Intel TSX-NIKnown for oneUnknown — not stated by the sourceNo
Intel TSX-NI versionKnown for oneUnknown — not stated by the source0.00
Intel Trusted Execution TechnologyKnown for oneUnknown — not stated by the sourceNo
Intel VT-x with Extended Page Tables (EPT)Known for oneUnknown — not stated by the sourceYes
Intel Virtualization Technology (VT-x)Known for oneUnknown — not stated by the sourceYes
Intel Virtualization Technology for Directed I/O (VT-d)Known for oneUnknown — not stated by the sourceNo
Intel® AES New Instructions (Intel® AES-NI)Known for oneUnknown — not stated by the sourceYes
Intel® Anti-Theft Technology (Intel® AT)Known for oneUnknown — not stated by the sourceYes
Intel® Clear Video HD Technology (Intel® CVT HD)Known for oneUnknown — not stated by the sourceYes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for oneUnknown — not stated by the sourceNo
Intel® Hyper Threading Technology (Intel® HT Technology)Known for oneUnknown — not stated by the sourceNo
Intel® Identity Protection Technology (Intel® IPT)Known for oneUnknown — not stated by the sourceYes
Intel® InTru™ 3D TechnologyKnown for oneUnknown — not stated by the sourceYes
Intel® Insider™Known for oneUnknown — not stated by the sourceYes
Intel® My WiFi Technology (Intel® MWT)Known for oneUnknown — not stated by the sourceNo
Intel® Quick Sync Video TechnologyKnown for oneUnknown — not stated by the sourceYes
Intel® Secure KeyKnown for oneUnknown — not stated by the sourceYes
Intel® Turbo Boost TechnologyKnown for oneUnknown — not stated by the source2.0
Intel® Wireless Display (Intel® WiDi)Known for oneUnknown — not stated by the sourceYes
Processor ARK IDKnown for oneUnknown — not stated by the source65512
Processor package sizeKnown for oneUnknown — not stated by the source37.5 x 37.5 mm
Supported instruction setsKnown for oneUnknown — not stated by the sourceAVX, SSE4.1, SSE4.2
Thermal Monitoring TechnologiesKnown for oneUnknown — not stated by the sourceYes
Thermal solution specificationKnown for oneUnknown — not stated by the sourcePCG 2011C
Poweridentical
AC adapter powerKnown for oneUnknown — not stated by the source200 W
AC adapter frequencyKnown for oneUnknown — not stated by the source50/60 Hz
AC adapter input voltageKnown for oneUnknown — not stated by the source100 - 240 V
Weight & dimensionsidentical
Width (with stand)Known for oneUnknown — not stated by the source412 mm
Depth (with stand)Known for oneUnknown — not stated by the source110 mm
Height (with stand)Known for oneUnknown — not stated by the source576.6 mm
Weight (with stand)Known for oneUnknown — not stated by the source9.18 kg
Sustainabilityidentical
Sustainability certificatesKnown for oneUnknown — not stated by the sourceENERGY STAR
Packaging contentidentical
Mouse includedKnown for oneUnknown — not stated by the sourceYes
Keyboard includedKnown for oneUnknown — not stated by the sourceYes
Warranty cardKnown for oneUnknown — not stated by the sourceYes
AC adapter includedKnown for oneUnknown — not stated by the sourceYes
Cables includedKnown for oneUnknown — not stated by the sourceAC
Quick start guideKnown for oneUnknown — not stated by the sourceYes
Other featuresidentical
Graphics card familyKnown for oneUnknown — not stated by the sourceNVIDIA
Chassis typeKnown for oneUnknown — not stated by the sourceAll-in-One
Display includedKnown for oneUnknown — not stated by the sourceYes
Headphone connectivityKnown for oneUnknown — not stated by the source3.5 mm
Microphone connectivityKnown for oneUnknown — not stated by the source3.5 mm
Storage drive interfaceKnown for oneUnknown — not stated by the sourceSerial ATA
Data transfer rateKnown for one1000 Mbit/sUnknown — not stated by the source
Maximum graphics card memoryKnown for one1000 MBUnknown — not stated by the source
Power supplyKnown for one250 WUnknown — not stated by the source

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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