Product comparison · 2 laptops

Lenovo ThinkPad T520i Intel® Core™ i3 i3-2310M vs Lenovo ThinkPad X220

94specifications compared
22differ
72identical
66known for one product only

Key differences

Display diagonal
- ThinkPad T520i Intel® Core™ i3 i3-2310M:39.6 cm (15.6")
- ThinkPad X220:31.8 cm (12.5")
Processor family
- ThinkPad T520i Intel® Core™ i3 i3-2310M:Intel® Core™ i3
- ThinkPad X220:Intel® Core™ i5
Processor generation
- ThinkPad T520i Intel® Core™ i3 i3-2310M:2nd gen Intel® Core™ i3
- ThinkPad X220:2nd gen Intel® Core™ i5
Processor model
- ThinkPad T520i Intel® Core™ i3 i3-2310M:i3-2310M
- ThinkPad X220:i5-2520M
Processor frequency
- ThinkPad T520i Intel® Core™ i3 i3-2310M:2.1 GHz
- ThinkPad X220:2.5 GHz
Processor socket
- ThinkPad T520i Intel® Core™ i3 i3-2310M:BGA 1023
- ThinkPad X220:Socket 988
CPU multiplier (bus/core ratio)
- ThinkPad T520i Intel® Core™ i3 i3-2310M:21
- ThinkPad X220:25
Optical drive type
- ThinkPad T520i Intel® Core™ i3 i3-2310M:DVD-RW
- ThinkPad X220:No

Side by side

Differences highlightedShow differences only

Comparison of T520i, ThinkPad X220
160 specifications	A Lenovo ThinkPad T520i Intel® Core™ i3 i3-2310M Model T520i View product	B Lenovo ThinkPad X220 View product
Designidentical
Product colour	Black	Black
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)
Display1 differ
Display diagonalDiffers	39.6 cm (15.6")	31.8 cm (12.5")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
Native aspect ratio	16:9	16:9
Display brightnessKnown for one	230 cd/m²	Unknown — not stated by the source
TouchscreenKnown for one	Unknown — not stated by the source	Yes
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	i3-2310M	i5-2520M
Processor cores	2	2
Processor threads	4	4
Processor frequencyDiffers	2.1 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 socketDiffers	BGA 1023	Socket 988
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i3-2300 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)Differs	21	25
ECC supported by processor	No	No
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.2 GHz
Memoryidentical
Internal memory	4 GB	4 GB
Internal memory typeKnown for one	DDR3-SDRAM	Unknown — not stated by the source
Memory clock speed	1333 MHz	1333 MHz
Memory layout (slots x size)Known for one	2 x 2 GB	Unknown — not stated by the source
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memory	8 GB	8 GB
Storage1 differ
Total storage capacityKnown for one	320 GB	Unknown — not stated by the source
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD interface	SATA	SATA
Optical drive typeDiffers	DVD-RW	No
HDD capacityKnown for one	Unknown — not stated by the source	160 GB
SSD capacityKnown for one	Unknown — not stated by the source	160 GB
Card reader integratedKnown for one	Unknown — not stated by the source	Yes
Compatible memory cardsKnown for one	Unknown — not stated by the source	SD
Graphics1 differ
On-board graphics card	Yes	Yes
Discrete graphics cardKnown for one	Yes	Unknown — not stated by the source
Discrete graphics card modelKnown for one	Intel® HD Graphics 3000	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	1100 MHz	1300 MHz
On-board graphics card ID	0x116	0x116
Maximum resolutionKnown for one	Unknown — not stated by the source	1366 x 768 pixels
Graphics cardKnown for one	Unknown — not stated by the source	HD Graphics
Audioidentical
Number of built-in speakersKnown for one	2	Unknown — not stated by the source
Speaker powerKnown for one	Unknown — not stated by the source	2 W
Built-in microphoneKnown for one	Unknown — not stated by the source	Yes
Audio includedKnown for one	Unknown — not stated by the source	Mute Button, Speakers (integrated)
Network1 differ
Wi-FiKnown for one	Yes	Unknown — not stated by the source
Networking featuresKnown for one	Gigabit Ethernet	Unknown — not stated by the source
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
BluetoothDiffers	Yes	No
Bluetooth versionKnown for one	3.0+HS	Unknown — not stated by the source
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Integrated 4G WiMAX	Yes	Yes
Mobile network connectionKnown for one	Unknown — not stated by the source	Yes
Mobile network generationKnown for one	Unknown — not stated by the source	3G
Wireless technologyKnown for one	Unknown — not stated by the source	WWAN; LAN
Ports & interfacesidentical
USB 2.0 ports quantity	3	3
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
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantityKnown for one	0	Unknown — not stated by the source
DisplayPorts quantity	1	1
DVI portKnown for one	No	Unknown — not stated by the source
VGA (D-Sub) ports quantity	1	1
Thunderbolt ports quantityKnown for one	0	Unknown — not stated by the source
Headphone outputs	1	1
S/PDIF out portKnown for one	No	Unknown — not stated by the source
Microphone in	Yes	Yes
Docking connector	No	No
ExpressCard slotKnown for one	Yes	Unknown — not stated by the source
CardBus PCMCIA slots quantityKnown for one	0	Unknown — not stated by the source
CardBus PCMCIA slot typeKnown for one	No	Unknown — not stated by the source
TV-outKnown for one	No	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	Intel® QM67 Express	Unknown — not stated by the source
GPS (satellite)Known for one	Unknown — not stated by the source	No
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
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architectureKnown for one	64-bit	Unknown — not stated by the source
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows 7 Home Basic Windows 7 Home Premium Windows 7 Professional
Processor special features8 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 TechnologyDiffers	No	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)Differs	No	Yes
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™Differs	Yes	No
Intel® My WiFi Technology (Intel® MWT)	Yes	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Turbo Boost TechnologyDiffers	No	2.0
Processor ARK IDDiffers	52220	52229
Processor codeDiffers	SR04S	SR048
Processor package sizeDiffers	37.5 x 37.5 xrPGA988B); 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
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Poweridentical
DC-in jack	Yes	Yes
AC adapter powerKnown for one	Unknown — not stated by the source	65 W
Securityidentical
Cable lock slotKnown for one	No	Unknown — not stated by the source
Fingerprint readerKnown for one	Yes	Unknown — not stated by the source
Trusted Platform Module (TPM)Known for one	Yes	Unknown — not stated by the source
Weight & dimensions3 differ
WeightDiffers	2.52 kg	1.76 kg
WidthDiffers	373 mm	305 mm
DepthDiffers	245 mm	228.7 mm
Height (front)Known for one	3.18 cm	Unknown — not stated by the source
Height (rear)Known for one	3.56 cm	Unknown — not stated by the source
HeightKnown for one	Unknown — not stated by the source	31.3 mm
Packaging contentidentical
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Infrared data portKnown for one	No	Unknown — not stated by the source
Compliance industry standardsKnown for one	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab	Unknown — not stated by the source
Power requirementsKnown for one	100-240V	Unknown — not stated by the source
Intel segment taggingKnown for one	Home office, Small Business	Unknown — not stated by the source
Supplied AC adapter typeKnown for one	AC	Unknown — not stated by the source
Security featuresKnown for one	Unknown — not stated by the source	Hard disk drive password, Norton Internet Security, Power on password, Security Slot Fingerprint Reader
Battery typeKnown for one	Unknown — not stated by the source	6 Cell Lithium-Ion
Power supply typeKnown for one	Unknown — not stated by the source	AC/DC
Modem typeKnown for one	Unknown — not stated by the source	No
Manageability featuresKnown for one	Unknown — not stated by the source	1-Button system recovery, Automatic software and driver updates, Help, Lenovo Care, Password management, Simple network connectivity
Batteryidentical
Battery technologyKnown for one	Unknown — not stated by the source	Lithium-Ion (Li-Ion)

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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