Product comparison · 2 laptops

Lenovo ThinkPad T420i Intel® Core™ i3 i3-2310M vs Lenovo ThinkPad T520i Intel® Core™ i3 i3-2310M

125specifications compared
11differ
114identical
13known for one product only

Key differences

Display diagonal
- ThinkPad T420i Intel® Core™ i3 i3-2310M:35.6 cm (14")
- ThinkPad T520i Intel® Core™ i3 i3-2310M:39.6 cm (15.6")
Display brightness
- ThinkPad T420i Intel® Core™ i3 i3-2310M:200 cd/m²
- ThinkPad T520i Intel® Core™ i3 i3-2310M:230 cd/m²
Discrete graphics card model
- ThinkPad T420i Intel® Core™ i3 i3-2310M:Intel® HD Graphics
- ThinkPad T520i Intel® Core™ i3 i3-2310M:Intel® HD Graphics 3000
Bluetooth
- ThinkPad T420i Intel® Core™ i3 i3-2310M:No
- ThinkPad T520i Intel® Core™ i3 i3-2310M:Yes
Pointing device
- ThinkPad T420i Intel® Core™ i3 i3-2310M:Touchpad
- ThinkPad T520i Intel® Core™ i3 i3-2310M:ThinkPad UltraNav
Weight
- ThinkPad T420i Intel® Core™ i3 i3-2310M:2.24 kg
- ThinkPad T520i Intel® Core™ i3 i3-2310M:2.52 kg
Width
- ThinkPad T420i Intel® Core™ i3 i3-2310M:340 mm
- ThinkPad T520i Intel® Core™ i3 i3-2310M:373 mm
Depth
- ThinkPad T420i Intel® Core™ i3 i3-2310M:229.8 mm
- ThinkPad T520i Intel® Core™ i3 i3-2310M:245 mm

Side by side

Differences highlightedShow differences only

Comparison of T420i, T520i
138 specifications	A Lenovo ThinkPad T420i Intel® Core™ i3 i3-2310M Model T420i View product	B Lenovo ThinkPad T520i Intel® Core™ i3 i3-2310M Model T520i View product
Designidentical
Product colourKnown for one	Unknown — not stated by the source	Black
Display2 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
Display brightnessDiffers	200 cd/m²	230 cd/m²
LED backlightKnown for one	Yes	Unknown — not stated by the source
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i3	Intel® Core™ i3
Processor generation	2nd gen Intel® Core™ i3	2nd gen Intel® Core™ i3
Processor model	i3-2310M	i3-2310M
Processor cores	2	2
Processor threads	4	4
Processor frequency	2.1 GHz	2.1 GHz
System bus rate	5 GT/s	5 GT/s
Processor cache	3 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor socket	BGA 1023	BGA 1023
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Core i3-2300 Mobile Series	Intel Core i3-2300 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)	21	21
ECC supported by processor	No	No
Memoryidentical
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1333 MHz	1333 MHz
Memory layout (slots x size)Known for one	Unknown — not stated by the source	2 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 interfaceKnown for one	Unknown — not stated by the source	SATA
Optical drive type	DVD-RW	DVD-RW
Graphics1 differ
On-board graphics card	Yes	Yes
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	Intel® HD Graphics	Intel® HD Graphics 3000
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)	1100 MHz	1100 MHz
On-board graphics card ID	0x116	0x116
Audioidentical
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Network1 differ
Wi-Fi	Yes	Yes
Networking features	Gigabit Ethernet	Gigabit Ethernet
Ethernet LAN	Yes	Yes
BluetoothDiffers	No	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	3.0+HS
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 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
Thunderbolt ports quantity	0	0
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connector	No	No
ExpressCard slotKnown for one	Unknown — not stated by the source	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
TV-out	No	No
eSATA/USB 2.0 ports quantityKnown for one	1	Unknown — not stated by the source
Performanceidentical
Motherboard chipset	Intel® QM67 Express	Intel® QM67 Express
Keyboard1 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Full-size keyboard	No	No
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architecture	64-bit	64-bit
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	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)	No	No
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® Turbo Boost Technology	No	No
Processor ARK ID	52220	52220
Processor code	SR04S	SR04S
Processor package size	37.5 x 37.5 xrPGA988B); 31 x 24 (BGA1023)	37.5 x 37.5 xrPGA988B); 31 x 24 (BGA1023)
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Poweridentical
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	No	No
Fingerprint reader	Yes	Yes
Trusted Platform Module (TPM)Known for one	Unknown — not stated by the source	Yes
Weight & dimensions5 differ
WeightDiffers	2.24 kg	2.52 kg
WidthDiffers	340 mm	373 mm
DepthDiffers	229.8 mm	245 mm
Height (front)Differs	2.99 cm	3.18 cm
Height (rear)Differs	3.04 cm	3.56 cm
Packaging contentidentical
AC adapter included	Yes	Yes
Other features1 differ
Infrared data port	No	No
Compliance industry standardsDiffers	IEEE 802.3/802.3u/802.3ab	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Power requirementsKnown for one	Unknown — not stated by the source	100-240V
Intel segment tagging	Home office, Small Business	Home office, Small Business
Supplied AC adapter type	AC	AC
Batteryidentical
Number of battery cellsKnown for one	6	Unknown — not stated by the source
Certificatesidentical
Wi-Fi certifiedKnown for one	Yes	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	ENERGY STAR	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.

More laptop comparisons

All laptop comparisons