Product comparison · 2 laptops

Lenovo E520 TS vs Lenovo L420 + Mini Dock Series 3 (EMEA)

130specifications compared
31differ
99identical
33known for one product only

Key differences

Product colour
- E520 TS:Black, Red
- L420 + Mini Dock Series 3 (EMEA):Black
Display diagonal
- E520 TS:39.6 cm (15.6")
- L420 + Mini Dock Series 3 (EMEA):35.6 cm (14")
Processor family
- E520 TS:Intel® Core™ i3
- L420 + Mini Dock Series 3 (EMEA):Intel® Core™ i5
Processor generation
- E520 TS:2nd gen Intel® Core™ i3
- L420 + Mini Dock Series 3 (EMEA):2nd gen Intel® Core™ i5
Processor model
- E520 TS:i3-2350M
- L420 + Mini Dock Series 3 (EMEA):i5-2450M
Processor frequency
- E520 TS:2.3 GHz
- L420 + Mini Dock Series 3 (EMEA):2.5 GHz
Tjunction
- E520 TS:85 °C
- L420 + Mini Dock Series 3 (EMEA):100 °C
CPU multiplier (bus/core ratio)
- E520 TS:23
- L420 + Mini Dock Series 3 (EMEA):25

Side by side

Differences highlightedShow differences only

Comparison of E520 TS, L420 + Mini Dock Series 3 (EMEA)
163 specifications	A Lenovo E520 TS View product	B Lenovo L420 + Mini Dock Series 3 (EMEA)View product
Design1 differ
Product typeKnown for one	Laptop	Unknown — not stated by the source
Product colourDiffers	Black, Red	Black
Form factorKnown for one	Clamshell	Unknown — not stated by the source
Display1 differ
Display diagonalDiffers	39.6 cm (15.6")	35.6 cm (14")
TouchscreenKnown for one	No	Unknown — not stated by the source
HD typeKnown for one	HD	Unknown — not stated by the source
Processor7 differ
Processor familyDiffers	Intel® Core™ i3	Intel® Core™ i5
Processor generationDiffers	2nd gen Intel® Core™ i3	2nd gen Intel® Core™ i5
Processor modelDiffers	i3-2350M	i5-2450M
Processor frequencyDiffers	2.3 GHz	2.5 GHz
Processor socketKnown for one	Socket 988	Unknown — not stated by the source
Processor seriesDiffers	Intel Core i3-2300 Mobile Series	Intel Core i5-2400 Mobile Series
TjunctionDiffers	85 °C	100 °C
CPU multiplier (bus/core ratio)Differs	23	25
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.1 GHz
Memory1 differ
Memory slotsDiffers	1x SO-DIMM	2x SO-DIMM
Memory slots (available)Known for one	2	Unknown — not stated by the source
Storage1 differ
HDD capacityKnown for one	500 GB	Unknown — not stated by the source
Optical drive typeDiffers	DVD±RW	DVD-RW
Compatible memory cardsKnown for one	Memory Stick (MS), MMC, MS PRO, SD, SDHC, xD	Unknown — not stated by the source
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
Graphics1 differ
On-board graphics card dynamic frequency (max)Differs	1150 MHz	1300 MHz
Audioidentical
Built-in microphoneKnown for one	Yes	Unknown — not stated by the source
Cameraidentical
Front cameraKnown for one	Yes	Unknown — not stated by the source
Networkidentical
Ethernet LAN data ratesKnown for one	1000 Mbit/s	Unknown — not stated by the source
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Ports & interfaces5 differ
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	0	3
eSATA/USB 2.0 ports quantityDiffers	1	0
eSATA ports quantityDiffers	0	1
HDMI ports quantityDiffers	1	0
DisplayPorts quantityDiffers	0	1
Combo headphone/mic portKnown for one	Yes	Unknown — not stated by the source
CardBus PCMCIA slots quantityKnown for one	Unknown — not stated by the source	0
USB 1.1 ports quantityKnown for one	Unknown — not stated by the source	0
Performanceidentical
Motherboard chipsetKnown for one	Intel QM65	Unknown — not stated by the source
Keyboard1 differ
Pointing deviceKnown for one	ThinkPad UltraNav	Unknown — not stated by the source
Numeric keypadDiffers	Yes	No
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Windows keysKnown for one	Yes	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows 7 Professional
Processor special features5 differ
Intel® AES New Instructions (Intel® AES-NI)Differs	No	Yes
Intel® Turbo Boost TechnologyDiffers	No	2.0
Processor ARK IDDiffers	53438	53452
Processor codeDiffers	SR0DN	SR04Z
Processor package sizeDiffers	37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)	37.5x37.5 (rPGA988B); 31 x 24 (BGA1023)
Battery1 differ
Number of battery cellsKnown for one	6	Unknown — not stated by the source
Battery capacityKnown for one	57 Wh	Unknown — not stated by the source
Battery life (max)Differs	6 h	11.6 h
Poweridentical
AC adapter powerKnown for one	65 W	Unknown — not stated by the source
Security1 differ
Cable lock slotDiffers	No	Yes
Fingerprint readerKnown for one	Yes	Unknown — not stated by the source
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Weight & dimensions5 differ
WeightDiffers	2.5 kg	2.3 kg
WidthDiffers	375 mm	3439 mm
DepthDiffers	245 mm	2329 mm
Height (front)Differs	2.8 cm	3.2 cm
Height (rear)Differs	3.3 cm	3.6 cm
Width (imperial)Known for one	37.5 cm (14.8")	Unknown — not stated by the source
Depth (imperial)Known for one	24.5 cm (9.64")	Unknown — not stated by the source
Height (front) (imperial)Known for one	2.79 cm (1.1")	Unknown — not stated by the source
Height (rear) (imperial)Known for one	3.28 cm (1.29")	Unknown — not stated by the source
Packaging contentidentical
Cables includedKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
3DKnown for one	No	Unknown — not stated by the source
Supplied AC adapter typeKnown for one	Unknown — not stated by the source	AC

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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