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 brightnessDiffers	200 cd/m²	230 cd/m²
LED backlightKnown for one	Yes	Unknown — not stated by the source
Memoryidentical
Memory layout (slots x size)Known for one	Unknown — not stated by the source	2 x 2 GB
Storageidentical
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
Graphics1 differ
Discrete graphics card modelDiffers	Intel® HD Graphics	Intel® HD Graphics 3000
Audioidentical
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Network1 differ
BluetoothDiffers	No	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	3.0+HS
Ports & interfacesidentical
ExpressCard slotKnown for one	Unknown — not stated by the source	Yes
eSATA/USB 2.0 ports quantityKnown for one	1	Unknown — not stated by the source
Keyboard1 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Securityidentical
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
Other features1 differ
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
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.

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