Product comparison · 2 laptops

Lenovo ThinkPad L420 Intel® Core™ i5 i5-2520M vs Lenovo ThinkPad L520 Intel® Core™ i5 i5-2520M

139specifications compared
4differ
135identical
0known for one product only

Key differences

Display diagonal
- ThinkPad L420 Intel® Core™ i5 i5-2520M:35.6 cm (14")
- ThinkPad L520 Intel® Core™ i5 i5-2520M:39.6 cm (15.6")
Weight
- ThinkPad L420 Intel® Core™ i5 i5-2520M:2.3 kg
- ThinkPad L520 Intel® Core™ i5 i5-2520M:2.6 kg
Width
- ThinkPad L420 Intel® Core™ i5 i5-2520M:343.9 mm
- ThinkPad L520 Intel® Core™ i5 i5-2520M:379.9 mm
Depth
- ThinkPad L420 Intel® Core™ i5 i5-2520M:232.9 mm
- ThinkPad L520 Intel® Core™ i5 i5-2520M:246.8 mm

Side by side

Differences highlightedShow differences only

Comparison of L420, L520
139 specifications	A Lenovo ThinkPad L420 Intel® Core™ i5 i5-2520M Model L420 View product	B Lenovo ThinkPad L520 Intel® Core™ i5 i5-2520M Model L520 View product
Designidentical
Product colour	Black	Black
Display1 differ
Display diagonalDiffers	35.6 cm (14")	39.6 cm (15.6")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
Native aspect ratio	16:9	16:9
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i5	Intel® Core™ i5
Processor generation	2nd gen Intel® Core™ i5	2nd gen Intel® Core™ i5
Processor model	i5-2520M	i5-2520M
Processor cores	2	2
Processor threads	4	4
Processor boost frequency	3.2 GHz	3.2 GHz
Processor frequency	2.5 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
L3 cache	3 MB	3 MB
L2 cache	3 MB	3 MB
Processor socket	Socket 988	Socket 988
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Core i5-2500 Mobile Series	Intel Core i5-2500 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
Tjunction	100 °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)	25	25
ECC supported by processor	No	No
Memoryidentical
Internal memory	3 GB	3 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1333 MHz	1333 MHz
Memory layout (slots x size)	1 x 1 + 1 x 2 GB	1 x 1 + 1 x 2 GB
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memory	8 GB	8 GB
Storageidentical
Total storage capacity	320 GB	320 GB
Number of HDDs installed	1	1
HDD capacity	320 GB	320 GB
HDD interface	SATA	SATA
Optical drive type	DVD-RW	DVD-RW
Card reader integrated	No	No
Graphicsidentical
On-board graphics card	Yes	Yes
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)	1300 MHz	1300 MHz
On-board graphics card ID	0x116	0x116
Maximum resolution	1366 x 768 pixels	1366 x 768 pixels
Audioidentical
Audio system	HD	HD
Number of built-in speakers	2	2
Speaker power	1.5 W	1.5 W
Networkidentical
Wi-Fi	Yes	Yes
Networking features	Gigabit Ethernet	Gigabit Ethernet
Ethernet LAN	Yes	Yes
Bluetooth	No	No
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Integrated 4G WiMAX	Yes	Yes
Ports & interfacesidentical
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 quantity	0	0
DisplayPorts quantity	1	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
Microphone in	Yes	Yes
Docking connector	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
TV-out	No	No
Keyboardidentical
Pointing device	ThinkPad UltraNav	ThinkPad UltraNav
Full-size keyboard	No	No
Processor special featuresidentical
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	Yes	Yes
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)	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)	Yes	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™	No	No
Intel® My WiFi Technology (Intel® MWT)	Yes	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Smart Cache	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK ID	52229	52229
Processor code	SR048	SR048
Processor package size	37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)	37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Poweridentical
AC adapter power	65 W	65 W
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Fingerprint reader	Yes	Yes
Trusted Platform Module (TPM)	Yes	Yes
Sustainabilityidentical
Sustainability certificates	ENERGY STAR	ENERGY STAR
Weight & dimensions3 differ
WeightDiffers	2.3 kg	2.6 kg
WidthDiffers	343.9 mm	379.9 mm
DepthDiffers	232.9 mm	246.8 mm
Height	32 mm	32 mm
Height (front)	3.2 cm	3.2 cm
Height (rear)	3.6 cm	3.6 cm
Packaging contentidentical
AC adapter included	Yes	Yes
Other featuresidentical
Infrared data port	No	No
Compliance industry standards	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Power requirements	100-240V	100-240V
Modem type	No	No
Supplied AC adapter type	AC	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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