Product comparison · 2 laptops

Lenovo E520 TS vs Lenovo L420 + Kit

134specifications compared
31differ
103identical
30known for one product only

Key differences

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

Side by side

Differences highlightedShow differences only

Comparison of E520 TS, L420 + Kit
164 specifications	A Lenovo E520 TS View product	B Lenovo L420 + Kit View product
Design1 differ
Product typeKnown for one	Laptop	Unknown — not stated by the source
Product colourDiffers	Black, Red	Black
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
Memory2 differ
Memory slotsDiffers	1x SO-DIMM	2x SO-DIMM
Memory slots (available)Differs	2	1
Storage1 differ
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Optical drive typeDiffers	DVD±RW	DVD Super Multi DL
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
Discrete graphics cardKnown for one	No	Unknown — not stated by the source
Discrete graphics card modelKnown for one	Not available	Unknown — not stated by the source
On-board graphics card dynamic frequency (max)Differs	1150 MHz	1300 MHz
Audioidentical
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Cameraidentical
Front cameraKnown for one	Yes	Unknown — not stated by the source
Network1 differ
Ethernet LAN data ratesDiffers	1000 Mbit/s	10,100,1000 Mbit/s
Networking featuresKnown for one	Unknown — not stated by the source	Gigabit Ethernet
Wireless technologyKnown for one	Unknown — not stated by the source	Wi-Fi
Ports & interfaces2 differ
HDMI ports quantityDiffers	1	0
DisplayPorts quantityDiffers	0	1
Combo headphone/mic portKnown for one	Yes	Unknown — not stated by the source
Docking connectorKnown for one	No	Unknown — not stated by the source
SmartCard slotKnown for one	No	Unknown — not stated by the source
CardBus PCMCIA slots quantityKnown for one	Unknown — not stated by the source	0
Performance1 differ
Motherboard chipsetDiffers	Intel QM65	Intel® HM65 Express
Keyboard1 differ
Numeric keypadDiffers	Yes	No
Full-size keyboardKnown 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
Battery technologyDiffers	Lithium-Ion (Li-Ion)	Lithium Polymer (LiPo)
Battery capacityKnown for one	57 Wh	Unknown — not stated by the source
Battery life (max)Known for one	6 h	Unknown — not stated by the source
Poweridentical
AC adapter powerKnown for one	65 W	Unknown — not stated by the source
Security1 differ
Cable lock slotDiffers	No	Yes
Weight & dimensions5 differ
WeightDiffers	2.5 kg	2.3 kg
WidthDiffers	375 mm	343.9 mm
DepthDiffers	245 mm	232.9 mm
Height (front)Differs	2.8 cm	3.2 cm
Height (rear)Known for one	3.3 cm	Unknown — not stated by the source
Width (imperial)Differs	37.5 cm (14.8")	91.4 cm (36")
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
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	EPEAT Gold, ENERGY STAR

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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