Product comparison · 2 laptops

Lenovo ThinkPad Edge E520 Intel® Core™ i3 i3-2310M vs Lenovo X1 Intel® Core™ i5 i5-2520M

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  • 123specifications compared
  • 35differ
  • 88identical
  • 30known for one product only

Key differences

  • Display diagonal
    • ThinkPad Edge E520 Intel® Core™ i3 i3-2310M:39.6 cm (15.6")
    • X1 Intel® Core™ i5 i5-2520M:33.8 cm (13.3")
  • Processor family
    • ThinkPad Edge E520 Intel® Core™ i3 i3-2310M:Intel® Core™ i3
    • X1 Intel® Core™ i5 i5-2520M:Intel® Core™ i5
  • Processor generation
    • ThinkPad Edge E520 Intel® Core™ i3 i3-2310M:2nd gen Intel® Core™ i3
    • X1 Intel® Core™ i5 i5-2520M:2nd gen Intel® Core™ i5
  • Processor model
    • ThinkPad Edge E520 Intel® Core™ i3 i3-2310M:i3-2310M
    • X1 Intel® Core™ i5 i5-2520M:i5-2520M
  • Processor frequency
    • ThinkPad Edge E520 Intel® Core™ i3 i3-2310M:2.1 GHz
    • X1 Intel® Core™ i5 i5-2520M:2.5 GHz
  • Processor socket
    • ThinkPad Edge E520 Intel® Core™ i3 i3-2310M:BGA 1023
    • X1 Intel® Core™ i5 i5-2520M:Socket 988
  • CPU multiplier (bus/core ratio)
    • ThinkPad Edge E520 Intel® Core™ i3 i3-2310M:21
    • X1 Intel® Core™ i5 i5-2520M:25
  • Internal memory
    • ThinkPad Edge E520 Intel® Core™ i3 i3-2310M:4 GB
    • X1 Intel® Core™ i5 i5-2520M:8 GB

Side by side

Differences highlightedShow differences only (on)
Comparison of E520, X1
153 specifications
Designidentical
Product colourKnown for oneUnknown — not stated by the sourceBlack
Display1 differ
Display diagonalDiffers39.6 cm (15.6")33.8 cm (13.3")
Display brightnessKnown for oneUnknown — not stated by the source350 cd/m²
LED backlightKnown for oneYesUnknown — not stated by the source
Processor7 differ
Processor familyDiffersIntel® Core™ i3Intel® Core™ i5
Processor generationDiffers2nd gen Intel® Core™ i32nd gen Intel® Core™ i5
Processor modelDiffersi3-2310Mi5-2520M
Processor boost frequencyKnown for oneUnknown — not stated by the source3.2 GHz
Processor frequencyDiffers2.1 GHz2.5 GHz
Processor socketDiffersBGA 1023Socket 988
Processor seriesDiffersIntel Core i3-2300 Mobile SeriesIntel Core i5-2500 Mobile Series
CPU multiplier (bus/core ratio)Differs2125
Memory2 differ
Internal memoryDiffers4 GB8 GB
Memory slotsDiffers2x SO-DIMM1x SO-DIMM
Storage3 differ
Total storage capacityDiffers500 GB160 GB
SSD capacityKnown for oneUnknown — not stated by the source160 GB
Optical drive typeDiffersDVD-RWNo
Compatible memory cardsDiffersMemory Stick (MS), MMC, MS PRO, SD, SDHC, xDMMC, SD, SDHC, SDXC
HDD capacityKnown for one500 GBUnknown — not stated by the source
HDD speedKnown for one5400 RPMUnknown — not stated by the source
Graphics1 differ
Discrete graphics cardKnown for oneUnknown — not stated by the sourceYes
Discrete graphics card modelKnown for oneUnknown — not stated by the sourceIntel® HD Graphics
Graphics card familyKnown for oneUnknown — not stated by the sourceIntel
On-board graphics card dynamic frequency (max)Differs1100 MHz1300 MHz
Audioidentical
Audio systemKnown for oneUnknown — not stated by the sourceDolby Home Theater
Cameraidentical
Front camera resolution (numeric)Known for oneUnknown — not stated by the source1.3 MP
Swivel webcamKnown for oneUnknown — not stated by the sourceNo
Network2 differ
Networking featuresDiffersGigabit EthernetGigabit Ethernet, WLAN
BluetoothDiffersNoYes
Bluetooth versionKnown for oneUnknown — not stated by the source3.0+HS
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers31
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers01
HDMI versionKnown for oneUnknown — not stated by the source1.4a
Mini DisplayPorts quantityKnown for oneUnknown — not stated by the source1
ExpressCard slotDiffersYesNo
Keyboard1 differ
Pointing deviceDiffersTouchpadThinkPad UltraNav
Full-size keyboardKnown for oneYesUnknown — not stated by the source
Processor special features8 differ
Intel Trusted Execution TechnologyDiffersNoYes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersNoYes
Intel® AES New Instructions (Intel® AES-NI)DiffersNoYes
Intel® Insider™DiffersYesNo
Intel® Smart CacheKnown for oneUnknown — not stated by the sourceYes
Intel® Turbo Boost TechnologyDiffersNo2.0
Processor ARK IDDiffers5222052229
Processor codeDiffersSR04SSR048
Processor package sizeDiffers37.5 x 37.5 xrPGA988B); 31 x 24 (BGA1023)37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)
Batteryidentical
Battery life (max)Known for oneUnknown — not stated by the source5.2 h
Number of battery cellsKnown for one6Unknown — not stated by the source
Security1 differ
Cable lock slotDiffersYesNo
Fingerprint readerKnown for oneUnknown — not stated by the sourceYes
Cable lock slot typeKnown for oneKensingtonUnknown — not stated by the source
Weight & dimensions5 differ
WeightDiffers2.4 kg1.69 kg
WidthDiffers375 mm337 mm
DepthDiffers245 mm231 mm
Height (front)Differs2.8 cm1.65 cm
Height (rear)Differs3.3 cm2.13 cm
Other features1 differ
Power requirementsKnown for oneUnknown — not stated by the source100 - 240V
Power supply typeDiffersAC/DCAC
TV tuner integratedKnown for oneUnknown — not stated by the sourceNo
Compliance industry standardsKnown for oneIEEE 802.3, IEEE 802.3u, IEEE 802.3abUnknown — not stated by the source
Intel segment taggingKnown for oneHome office, Small BusinessUnknown — not stated by the source
Supplied AC adapter typeKnown for oneACUnknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for oneIntel QM65Unknown — not stated by the source
Certificatesidentical
CertificationKnown for oneEPEAT Gold, RoHSUnknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for oneENERGY STARUnknown — 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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