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
Form factor	Clamshell	Clamshell
Display1 differ
Display diagonalDiffers	39.6 cm (15.6")	35.6 cm (14")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
TouchscreenKnown for one	No	Unknown — not stated by the source
HD typeKnown for one	HD	Unknown — not stated by the source
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Processor7 differ
Processor manufacturer	Intel	Intel
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 cores	2	2
Processor threads	4	4
Processor frequencyDiffers	2.3 GHz	2.5 GHz
System bus rate	5 GT/s	5 GT/s
Processor cache	3 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketKnown for one	Socket 988	Unknown — not stated by the source
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i3-2300 Mobile Series	Intel Core i5-2400 Mobile Series
Processor codename	Sandy Bridge	Sandy Bridge
Bus type	DMI	DMI
FSB Parity	No	No
Stepping	J1	J1
Thermal Design Power (TDP)	35 W	35 W
TjunctionDiffers	85 °C	100 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurations	1x16, 2x8, 1x8+2x4	1x16, 2x8, 1x8+2x4
PCI Express slots version	2.0	2.0
CPU multiplier (bus/core ratio)Differs	23	25
ECC supported by processor	No	No
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.1 GHz
Memory2 differ
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1333 MHz	1333 MHz
Memory slotsDiffers	1x SO-DIMM	2x SO-DIMM
Memory slots (available)Differs	2	1
Maximum internal memory	8 GB	8 GB
Storage1 differ
Total storage capacity	500 GB	500 GB
Storage media	HDD	HDD
HDD capacity	500 GB	500 GB
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Optical drive typeDiffers	DVD±RW	DVD Super Multi DL
Card reader integrated	Yes	Yes
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	Yes	Yes
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
Graphics card family	Intel	Intel
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card model	Intel® HD Graphics 3000	Intel® HD Graphics 3000
On-board graphics card base frequency	650 MHz	650 MHz
On-board graphics card dynamic frequency (max)Differs	1150 MHz	1300 MHz
On-board graphics card ID	0x116	0x116
Audioidentical
Audio system	HD	HD
Built-in microphone	Yes	Yes
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
Wi-Fi	Yes	Yes
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LAN	Yes	Yes
Ethernet LAN data ratesDiffers	1000 Mbit/s	10,100,1000 Mbit/s
Bluetooth	No	No
Integrated 4G WiMAX	Yes	Yes
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
USB 2.0 ports quantity	3	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0	0
eSATA/USB 2.0 ports quantity	1	1
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantity	0	0
eSATA ports quantity	0	0
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantityDiffers	1	0
DisplayPorts quantityDiffers	0	1
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	0	0
Thunderbolt ports quantity	0	0
Headphone outputs	1	1
S/PDIF out port	No	No
Combo headphone/mic portKnown for one	Yes	Unknown — not stated by the source
Microphone in	Yes	Yes
Docking connectorKnown for one	No	Unknown — not stated by the source
ExpressCard slot	Yes	Yes
CardBus PCMCIA slot type	No	No
SmartCard slotKnown for one	No	Unknown — not stated by the source
TV-out	No	No
CardBus PCMCIA slots quantityKnown for one	Unknown — not stated by the source	0
Performance1 differ
Motherboard chipsetDiffers	Intel QM65	Intel® HM65 Express
Keyboard1 differ
Pointing device	ThinkPad UltraNav	ThinkPad UltraNav
Numeric keypadDiffers	Yes	No
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Windows keys	Yes	Yes
Software1 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Processor special features5 differ
Intel® Wireless Display (Intel® WiDi)	Yes	Yes
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithography	32 nm	32 nm
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	Yes	Yes
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	Yes	Yes
Intel Fast Memory Access	Yes	Yes
Intel Flex Memory Access	Yes	Yes
Intel Identity Protection Technology version	1.00	1.00
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	No	No
Intel VT-x with Extended Page Tables (EPT)	Yes	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	No	No
Intel® AES New Instructions (Intel® AES-NI)Differs	No	Yes
Intel® Anti-Theft Technology (Intel® AT)	Yes	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Identity Protection Technology (Intel® IPT)	Yes	Yes
Intel® InTru™ 3D Technology	Yes	Yes
Intel® Insider™	Yes	Yes
Intel® My WiFi Technology (Intel® MWT)	Yes	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Smart Cache	Yes	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)
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Battery1 differ
Battery technologyDiffers	Lithium-Ion (Li-Ion)	Lithium Polymer (LiPo)
Number of battery cells	6	6
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
DC-in jack	Yes	Yes
Security1 differ
Cable lock slotDiffers	No	Yes
Fingerprint reader	Yes	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
AC adapter included	Yes	Yes
Cables includedKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Infrared data port	No	No
3DKnown for one	No	Unknown — not stated by the source
Intel segment tagging	Home office, Small Business	Home office, Small Business
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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