Product comparison · 2 laptops

Lenovo E520 TS vs Lenovo L520 + ThinkPad Port Replicator Series 3

130specifications compared
32differ
98identical
35known for one product only

Key differences

Display resolution
- E520 TS:1366 x 768 pixels
- L520 + ThinkPad Port Replicator Series 3:1600 x 900 pixels
HD type
- E520 TS:HD
- L520 + ThinkPad Port Replicator Series 3:HD+
Processor family
- E520 TS:Intel® Core™ i3
- L520 + ThinkPad Port Replicator Series 3:Intel® Core™ i5
Processor generation
- E520 TS:2nd gen Intel® Core™ i3
- L520 + ThinkPad Port Replicator Series 3:2nd gen Intel® Core™ i5
Processor model
- E520 TS:i3-2350M
- L520 + ThinkPad Port Replicator Series 3:i5-2450M
Processor frequency
- E520 TS:2.3 GHz
- L520 + ThinkPad Port Replicator Series 3:2.5 GHz
Tjunction
- E520 TS:85 °C
- L520 + ThinkPad Port Replicator Series 3:100 °C
CPU multiplier (bus/core ratio)
- E520 TS:23
- L520 + ThinkPad Port Replicator Series 3:25

Side by side

Differences highlightedShow differences only

Comparison of E520 TS, L520 + ThinkPad Port Replicator Series 3
165 specifications	A Lenovo E520 TS View product	B Lenovo L520 + ThinkPad Port Replicator Series 3 View product
Designidentical
Product typeKnown for one	Laptop	Unknown — not stated by the source
Product colourKnown for one	Black, Red	Unknown — not stated by the source
Form factorKnown for one	Clamshell	Unknown — not stated by the source
Display2 differ
Display resolutionDiffers	1366 x 768 pixels	1600 x 900 pixels
TouchscreenKnown for one	No	Unknown — not stated by the source
HD typeDiffers	HD	HD+
Display brightnessKnown for one	Unknown — not stated by the source	220 cd/m²
Contrast ratio (typical)Known for one	Unknown — not stated by the source	500:1
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 sizeKnown for one	2.5"	Unknown — not stated by the source
Compatible memory cardsDiffers	Memory Stick (MS), MMC, MS PRO, SD, SDHC, xD	MMC, SD, SDHC, SDXC
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
Audio1 differ
Audio systemDiffers	HD	High Definition Audio
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Speaker powerKnown for one	Unknown — not stated by the source	1.5 W
Cameraidentical
Front cameraKnown for one	Yes	Unknown — not stated by the source
Network2 differ
Ethernet LAN data ratesDiffers	1000 Mbit/s	10,100,1000 Mbit/s
BluetoothDiffers	No	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	3.0+HS
Ports & interfaces2 differ
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	0	Unknown — not stated by the source
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	0	Unknown — not stated by the source
eSATA ports quantityKnown for one	0	Unknown — not stated by the source
HDMI ports quantityKnown for one	1	Unknown — not stated by the source
DisplayPorts quantityDiffers	0	1
Firewire (IEEE 1394) portsKnown for one	0	Unknown — not stated by the source
Thunderbolt ports quantityKnown for one	0	Unknown — not stated by the source
Combo headphone/mic portKnown for one	Yes	Unknown — not stated by the source
Docking connectorDiffers	No	Yes
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
Windows keysKnown for one	Yes	Unknown — not stated by the source
Keyboard layoutKnown for one	Unknown — not stated by the source	QWERTY
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 capacityKnown for one	57 Wh	Unknown — not stated by the source
Battery life (max)Differs	6 h	6.6 h
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	2.61 kg
WidthDiffers	375 mm	380 mm
DepthDiffers	245 mm	247 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
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Cables includedKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
3DKnown for one	No	Unknown — 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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