Product comparison · 2 laptops

Lenovo Essential B570e2 Intel® Core™ i3 i3-2350M vs Lenovo T520 + 55Y3711

129specifications compared
35differ
94identical
55known for one product only

Key differences

Display resolution
- Essential B570e2 Intel® Core™ i3 i3-2350M:1366 x 768 pixels
- T520 + 55Y3711:1600 x 900 pixels
HD type
- Essential B570e2 Intel® Core™ i3 i3-2350M:HD
- T520 + 55Y3711:HD+
Display brightness
- Essential B570e2 Intel® Core™ i3 i3-2350M:200 cd/m²
- T520 + 55Y3711:220 cd/m²
Processor family
- Essential B570e2 Intel® Core™ i3 i3-2350M:Intel® Core™ i3
- T520 + 55Y3711:Intel® Core™ i5
Processor generation
- Essential B570e2 Intel® Core™ i3 i3-2350M:2nd gen Intel® Core™ i3
- T520 + 55Y3711:2nd gen Intel® Core™ i5
Processor model
- Essential B570e2 Intel® Core™ i3 i3-2350M:i3-2350M
- T520 + 55Y3711:i5-2450M
Processor frequency
- Essential B570e2 Intel® Core™ i3 i3-2350M:2.3 GHz
- T520 + 55Y3711:2.5 GHz
Tjunction
- Essential B570e2 Intel® Core™ i3 i3-2350M:85 °C
- T520 + 55Y3711:100 °C

Side by side

Differences highlightedShow differences only

Comparison of B570e2, T520 + 55Y3711
184 specifications	A Lenovo Essential B570e2 Intel® Core™ i3 i3-2350M Model B570e2 View product	B Lenovo T520 + 55Y3711 View product
Designidentical
Product colourKnown for one	Black	Unknown — not stated by the source
Form factorKnown for one	Clamshell	Unknown — not stated by the source
Housing materialKnown for one	Polycarbonate (PC)	Unknown — not stated by the source
Display3 differ
Display resolutionDiffers	1366 x 768 pixels	1600 x 900 pixels
TouchscreenKnown for one	No	Unknown — not stated by the source
HD typeDiffers	HD	HD+
Display brightnessDiffers	200 cd/m²	220 cd/m²
Contrast ratio (typical)Known for one	Unknown — not stated by the source	500:1
Processor7 differ
Processor familyDiffers	Intel® Core™ i3	Intel® Core™ i5
Processor generationDiffers	2nd gen Intel® Core™ i3	2nd gen Intel® Core™ i5
Processor modelDiffers	i3-2350M	i5-2450M
Processor frequencyDiffers	2.3 GHz	2.5 GHz
Processor socketKnown for one	Socket 988	Unknown — not stated by the source
Processor seriesDiffers	Intel Core i3-2300 Mobile Series	Intel Core i5-2400 Mobile Series
TjunctionDiffers	85 °C	100 °C
CPU multiplier (bus/core ratio)Differs	23	25
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.1 GHz
Storage3 differ
HDD speedDiffers	5400 RPM	7200 RPM
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Optical drive typeDiffers	DVD Super Multi DL	DVD±RW
Compatible memory cardsDiffers	Memory Stick (MS), MMC, MS PRO, SD, SDHC, xD	MMC, SD, SDHC, SDXC
Graphics2 differ
Discrete graphics cardKnown for one	No	Unknown — not stated by the source
Discrete graphics card modelKnown for one	Not available	Unknown — not stated by the source
Graphics card familyDiffers	Intel	Intel, NVIDIA
On-board graphics card dynamic frequency (max)Differs	1150 MHz	1300 MHz
Audio2 differ
Audio systemDiffers	HD	High Definition Audio
Built-in speaker(s)Known for one	Yes	Unknown — not stated by the source
Speaker powerDiffers	1.5 W	1 W
Cameraidentical
Front camera resolution (numeric)Known for one	0.3 MP	Unknown — not stated by the source
Swivel webcamKnown for one	No	Unknown — not stated by the source
Optical driveidentical
LightScribeKnown for one	No	Unknown — not stated by the source
Optical drive interfaceKnown for one	SATA	Unknown — not stated by the source
Network1 differ
Top Wi-Fi standardKnown for one	Wi-Fi 4 (802.11n)	Unknown — not stated by the source
Wi-Fi data rate (max)Known for one	150 Mbit/s	Unknown — not stated by the source
BluetoothDiffers	No	Yes
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Network connection typeKnown for one	RJ-45	Unknown — not stated by the source
Networking standardsKnown for one	IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.3, IEEE 802.3ab, IEEE 802.3u	Unknown — not stated by the source
Mobile network connectionKnown for one	Unknown — not stated by the source	Yes
Mobile network generationKnown for one	Unknown — not stated by the source	3G
Bluetooth versionKnown for one	Unknown — not stated by the source	3.0+HS
Ports & interfaces3 differ
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
HDMI ports quantityKnown for one	1	Unknown — not stated by the source
DisplayPorts quantityDiffers	0	1
Firewire (IEEE 1394) portsDiffers	0	1
Thunderbolt ports quantityKnown for one	0	Unknown — not stated by the source
ExpressCard slotDiffers	No	Yes
Headphone connectivityKnown for one	3.5 mm	Unknown — not stated by the source
Microphone connectivityKnown for one	3.5 mm	Unknown — not stated by the source
Docking connectorKnown for one	Unknown — not stated by the source	Yes
Performance1 differ
Motherboard chipsetDiffers	Intel® HM65 Express	Intel® QM67 Express
Keyboard2 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Numeric keypadDiffers	Yes	No
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Windows keysKnown for one	Yes	Unknown — not stated by the source
Keyboard layoutKnown for one	Unknown — not stated by the source	QWERTY
Software1 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows 7 Professional
Processor special features5 differ
Intel® AES New Instructions (Intel® AES-NI)Differs	No	Yes
Intel® Turbo Boost TechnologyDiffers	No	2.0
Processor ARK IDDiffers	53438	53452
Processor codeDiffers	SR0DN	SR04Z
Processor package sizeDiffers	37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)	37.5x37.5 (rPGA988B); 31 x 24 (BGA1023)
Battery1 differ
Battery life (max)Differs	5.8 h	8.4 h
Poweridentical
AC adapter powerKnown for one	65 W	Unknown — not stated by the source
Power auto-sensingKnown for one	Yes	Unknown — not stated by the source
Security1 differ
Cable lock slotDiffers	No	Yes
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
Certificatesidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	EPEAT Silver, ENERGY STAR	Unknown — not stated by the source
Weight & dimensions3 differ
WeightDiffers	2.35 kg	2.57 kg
WidthDiffers	378 mm	372.8 mm
DepthDiffers	252 mm	245.1 mm
HeightKnown for one	33.1 mm	Unknown — not stated by the source
Width (imperial)Known for one	37.9 cm (14.9")	Unknown — not stated by the source
Depth (imperial)Known for one	25.1 cm (9.9")	Unknown — not stated by the source
Height (imperial)Known for one	3.3 cm (1.3")	Unknown — not stated by the source
Height (front)Known for one	Unknown — not stated by the source	3.18 cm
Height (rear)Known for one	Unknown — not stated by the source	3.56 cm
Videoidentical
HD-ReadyKnown for one	Yes	Unknown — not stated by the source
Packaging contentidentical
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Cables includedKnown for one	AC	Unknown — not stated by the source
ManualKnown for one	Yes	Unknown — not stated by the source
Quick start guideKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Power supply typeKnown for one	AC/DC	Unknown — not stated by the source
Volume controlKnown for one	Digital	Unknown — not stated by the source
Wake-on-LAN readyKnown for one	Yes	Unknown — not stated by the source
Supplied AC adapter typeKnown for one	AC	Unknown — not stated by the source
Intel segment taggingKnown for one	Unknown — not stated by the source	Home office, Small Business

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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