Product comparison · 2 laptops

Lenovo ThinkPad L520 Intel® Core™ i5 i5-2520M vs Lenovo X61 Tablet

96specifications compared
57differ
39identical
85known for one product only

Key differences

Display diagonal
- ThinkPad L520 Intel® Core™ i5 i5-2520M:39.6 cm (15.6")
- X61 Tablet:30.7 cm (12.1")
Display resolution
- ThinkPad L520 Intel® Core™ i5 i5-2520M:1366 x 768 pixels
- X61 Tablet:1024 x 768 pixels
Native aspect ratio
- ThinkPad L520 Intel® Core™ i5 i5-2520M:16:9
- X61 Tablet:4:3
Processor family
- ThinkPad L520 Intel® Core™ i5 i5-2520M:Intel® Core™ i5
- X61 Tablet:Intel® Core™2 Duo
Processor model
- ThinkPad L520 Intel® Core™ i5 i5-2520M:i5-2520M
- X61 Tablet:L7500
Processor threads
- ThinkPad L520 Intel® Core™ i5 i5-2520M:4
- X61 Tablet:2
Processor frequency
- ThinkPad L520 Intel® Core™ i5 i5-2520M:2.5 GHz
- X61 Tablet:1.6 GHz
Processor cache
- ThinkPad L520 Intel® Core™ i5 i5-2520M:3 MB
- X61 Tablet:4 MB

Side by side

Differences highlightedShow differences only

Comparison of L520, X61 Tablet
181 specifications	A Lenovo ThinkPad L520 Intel® Core™ i5 i5-2520M Model L520 View product	B Lenovo X61 Tablet View product
Designidentical
Product typeKnown for one	Unknown — not stated by the source	Hybrid (2-in-1)
Form factorKnown for one	Unknown — not stated by the source	Convertible (Swivel)
Display3 differ
Display diagonalDiffers	39.6 cm (15.6")	30.7 cm (12.1")
Display resolutionDiffers	1366 x 768 pixels	1024 x 768 pixels
Native aspect ratioDiffers	16:9	4:3
TouchscreenKnown for one	Unknown — not stated by the source	Yes
LED backlightKnown for one	Unknown — not stated by the source	No
Dual-screenKnown for one	Unknown — not stated by the source	No
Processor13 differ
Processor familyDiffers	Intel® Core™ i5	Intel® Core™2 Duo
Processor generationKnown for one	2nd gen Intel® Core™ i5	Unknown — not stated by the source
Processor modelDiffers	i5-2520M	L7500
Processor threadsDiffers	4	2
Processor boost frequencyKnown for one	3.2 GHz	Unknown — not stated by the source
Processor frequencyDiffers	2.5 GHz	1.6 GHz
System bus rateKnown for one	5 GT/s	Unknown — not stated by the source
Processor cacheDiffers	3 MB	4 MB
Processor cache typeDiffers	Smart Cache	L2
L3 cacheKnown for one	3 MB	Unknown — not stated by the source
L2 cacheKnown for one	3 MB	Unknown — not stated by the source
Processor socketDiffers	Socket 988	Socket 479
Processor lithographyDiffers	32 nm	65 nm
Processor seriesDiffers	Intel Core i5-2500 Mobile Series	Intel Core 2 Duo L7000 Series
Processor codenameDiffers	Sandy Bridge	Merom
Bus typeDiffers	DMI	FSB
SteppingKnown for one	J1	Unknown — not stated by the source
Thermal Design Power (TDP)Differs	35 W	17 W
Maximum number of PCI Express lanesKnown for one	16	Unknown — not stated by the source
PCI Express configurationsKnown for one	1x16, 2x8, 1x8+2x4	Unknown — not stated by the source
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Differs	25	8
Processor front side busKnown for one	Unknown — not stated by the source	800 MHz
Number of Processing Die TransistorsKnown for one	Unknown — not stated by the source	291 M
Processing Die sizeKnown for one	Unknown — not stated by the source	143 mm²
Memory4 differ
Internal memoryDiffers	3 GB	1 GB
Internal memory typeKnown for one	DDR3-SDRAM	Unknown — not stated by the source
Memory clock speedDiffers	1333 MHz	667 MHz
Memory layout (slots x size)Differs	1 x 1 + 1 x 2 GB	1 x 1 GB
Maximum internal memoryDiffers	8 GB	4 GB
Storage4 differ
Total storage capacityDiffers	320 GB	80 GB
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD capacityDiffers	320 GB	80 GB
Optical drive typeDiffers	DVD-RW	No
Card reader integratedDiffers	No	Yes
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
Compatible memory cardsKnown for one	Unknown — not stated by the source	SD
Graphicsidentical
On-board graphics cardKnown for one	Yes	Unknown — not stated by the source
On-board graphics card familyKnown for one	Intel® HD Graphics	Unknown — not stated by the source
On-board graphics card modelKnown for one	Intel® HD Graphics 3000	Unknown — not stated by the source
On-board graphics card base frequencyKnown for one	650 MHz	Unknown — not stated by the source
On-board graphics card dynamic frequency (max)Known for one	1300 MHz	Unknown — not stated by the source
On-board graphics card IDKnown for one	0x116	Unknown — not stated by the source
Maximum resolutionKnown for one	1366 x 768 pixels	Unknown — not stated by the source
Graphics card familyKnown for one	Unknown — not stated by the source	Intel
Graphics cardKnown for one	Unknown — not stated by the source	GMA X3100
Audio2 differ
Audio systemDiffers	HD	AD1984 Codec
Number of built-in speakersDiffers	2	1
Speaker powerKnown for one	1.5 W	Unknown — not stated by the source
Built-in microphoneKnown for one	Unknown — not stated by the source	Yes
Network1 differ
Wi-FiKnown for one	Yes	Unknown — not stated by the source
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
BluetoothDiffers	No	Yes
Integrated 4G WiMAXKnown for one	Yes	Unknown — not stated by the source
Ports & interfaces4 differ
eSATA/USB 2.0 ports quantityKnown for one	1	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
DisplayPorts quantityDiffers	1	0
Firewire (IEEE 1394) portsDiffers	0	1
Thunderbolt ports quantityKnown for one	0	Unknown — not stated by the source
S/PDIF out portKnown for one	No	Unknown — not stated by the source
CardBus PCMCIA slots quantityDiffers	0	1
CardBus PCMCIA slot typeDiffers	No	Type II
ExpressCard slotKnown for one	Unknown — not stated by the source	No
SmartCard slotKnown for one	Unknown — not stated by the source	No
Modem (RJ-11) portsKnown for one	Unknown — not stated by the source	1
TV-in portKnown for one	Unknown — not stated by the source	No
PS/2 ports quantityKnown for one	Unknown — not stated by the source	0
Parallel ports quantityKnown for one	Unknown — not stated by the source	0
Serial ports quantityKnown for one	Unknown — not stated by the source	0
USB 1.1 ports quantityKnown for one	Unknown — not stated by the source	0
Keyboardidentical
Pointing deviceKnown for one	ThinkPad UltraNav	Unknown — not stated by the source
Full-size keyboardKnown for one	No	Unknown — not stated by the source
Keyboard number of keysKnown for one	Unknown — not stated by the source	89
Processor special features20 differ
Intel® Wireless Display (Intel® WiDi)Differs	Yes	No
CPU configuration (max)Known for one	1	Unknown — not stated by the source
Embedded options availableDiffers	No	Yes
Graphics & IMC lithographyKnown for one	32 nm	Unknown — not stated by the source
Intel Dual Display Capable TechnologyDiffers	Yes	No
Intel FDI TechnologyDiffers	Yes	No
Intel Fast Memory AccessDiffers	Yes	No
Intel Flex Memory AccessDiffers	Yes	No
Intel Identity Protection Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel Trusted Execution TechnologyDiffers	Yes	No
Intel VT-x with Extended Page Tables (EPT)Differs	Yes	No
Intel Virtualization Technology for Directed I/O (VT-d)Differs	Yes	No
Intel® AES New Instructions (Intel® AES-NI)Differs	Yes	No
Intel® Anti-Theft Technology (Intel® AT)Differs	Yes	No
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	Yes	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® Identity Protection Technology (Intel® IPT)Known for one	Yes	Unknown — not stated by the source
Intel® InTru™ 3D TechnologyDiffers	Yes	No
Intel® My WiFi Technology (Intel® MWT)Differs	Yes	No
Intel® Quick Sync Video TechnologyDiffers	Yes	No
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost TechnologyDiffers	2.0	No
Processor ARK IDDiffers	52229	29757
Processor codeKnown for one	SR048	Unknown — not stated by the source
Processor package sizeDiffers	37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)	35 x 35 mm
Supported instruction setsKnown for one	AVX	Unknown — not stated by the source
Thermal Monitoring TechnologiesDiffers	Yes	No
Poweridentical
AC adapter frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
Security2 differ
Cable lock slotDiffers	Yes	No
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Trusted Platform Module (TPM)Differs	Yes	No
HDD user passwordKnown for one	Unknown — not stated by the source	Yes
Sustainabilityidentical
Sustainability certificatesKnown for one	ENERGY STAR	Unknown — not stated by the source
Weight & dimensions3 differ
WeightDiffers	2.6 kg	1.93 kg
WidthDiffers	379.9 mm	274 mm
DepthDiffers	246.8 mm	266.7 mm
HeightKnown for one	32 mm	Unknown — not stated by the source
Height (front)Known for one	3.2 cm	Unknown — not stated by the source
Height (rear)Known for one	3.6 cm	Unknown — not stated by the source
Packaging contentidentical
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Mouse includedKnown for one	Unknown — not stated by the source	No
Other features1 differ
Compliance industry standardsKnown for one	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab	Unknown — not stated by the source
Power requirementsDiffers	100-240V	230 V
Modem typeKnown for one	No	Unknown — not stated by the source
Internal modemKnown for one	Unknown — not stated by the source	Yes
TV tuner integratedKnown for one	Unknown — not stated by the source	No
Modem speedKnown for one	Unknown — not stated by the source	56 Kbit/s
Cameraidentical
Front cameraKnown for one	Unknown — not stated by the source	No
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® GM965
GPS (satellite)Known for one	Unknown — not stated by the source	No
Softwareidentical
Operating system installedKnown for one	Unknown — not stated by the source	Windows Vista Business
Operating system architectureKnown for one	Unknown — not stated by the source	32-bit
Drivers includedKnown for one	Unknown — not stated by the source	Yes
Batteryidentical
Battery technologyKnown for one	Unknown — not stated by the source	Lithium-Ion (Li-Ion)
Number of battery cellsKnown for one	Unknown — not stated by the source	8
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 35 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	5 - 43 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	8 - 80%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Operating altitudeKnown for one	Unknown — not stated by the source	0 - 2438 m
Certificatesidentical
CertificationKnown for one	Unknown — not stated by the source	FCC, VCCI, CISPR22, UL 60950, CSA, NOM, SASO, IEC 60950, ACA, MPR-II, CE Mark, CCC, BSMI, CER

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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