Product comparison · 2 laptops

Lenovo ThinkPad E540 vs Lenovo Yoga 2 13

124specifications compared
53differ
71identical
63known for one product only

Key differences

Product type
- ThinkPad E540:Laptop
- Yoga 2 13:Hybrid (2-in-1)
Product colour
- ThinkPad E540:Black
- Yoga 2 13:Orange
Form factor
- ThinkPad E540:Clamshell
- Yoga 2 13:Convertible (Folder)
Display diagonal
- ThinkPad E540:39.6 cm (15.6")
- Yoga 2 13:33.8 cm (13.3")
Display resolution
- ThinkPad E540:1366 x 768 pixels
- Yoga 2 13:1920 x 1080 pixels
HD type
- ThinkPad E540:HD
- Yoga 2 13:Full HD
Processor family
- ThinkPad E540:Intel® Core™ i5
- Yoga 2 13:Intel® Core™ i3
Processor generation
- ThinkPad E540:4th gen Intel® Core™ i5
- Yoga 2 13:4th gen Intel® Core™ i3

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad E540, Yoga 2 13
187 specifications	A Lenovo ThinkPad E540 View product	B Lenovo Yoga 2 13 View product
Design3 differ
Product typeDiffers	Laptop	Hybrid (2-in-1)
Product colourDiffers	Black	Orange
Form factorDiffers	Clamshell	Convertible (Folder)
Display3 differ
Display diagonalDiffers	39.6 cm (15.6")	33.8 cm (13.3")
Display resolutionDiffers	1366 x 768 pixels	1920 x 1080 pixels
Touchscreen	Yes	Yes
Touchscreen typeKnown for one	Unknown — not stated by the source	Capacitive
HD typeDiffers	HD	Full HD
Touch technologyKnown for one	Unknown — not stated by the source	Multi-touch
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Processor11 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i5	Intel® Core™ i3
Processor generationDiffers	4th gen Intel® Core™ i5	4th gen Intel® Core™ i3
Processor modelDiffers	i5-4200M	i3-4010U
Processor cores	2	2
Processor threads	4	4
Processor frequencyDiffers	2.5 GHz	1.7 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	PGA946	BGA 1168
Processor lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i5-4200 Mobile series	Intel® Core™ i3-4000 Mobile Series
Processor codename	Haswell	Haswell
Bus typeDiffers	DMI	DMI2
FSB Parity	No	No
Stepping	C0	C0
Thermal Design Power (TDP)Differs	37 W	15 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanesDiffers	16	12
PCI Express configurationsDiffers	1x16, 2x8, 1x8+2x4	2x4, 4x1
PCI Express slots versionDiffers	3.0	2.0
ECC supported by processor	No	No
Processor boost frequencyKnown for one	3.1 GHz	Unknown — not stated by the source
Memory1 differ
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speedKnown for one	Unknown — not stated by the source	1600 MHz
Maximum internal memoryDiffers	16 GB	8 GB
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Storage3 differ
Total storage capacityDiffers	128 GB	500 GB
Storage mediaDiffers	SSD	HDD
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD capacityKnown for one	Unknown — not stated by the source	500 GB
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
Optical drive typeDiffers	DVD±RW	No
Card reader integrated	Yes	Yes
Compatible memory cardsKnown for one	Unknown — not stated by the source	MMC, SD
Number of SSDs installedKnown for one	1	Unknown — not stated by the source
SSD capacityKnown for one	128 GB	Unknown — not stated by the source
Graphics6 differ
On-board graphics card	Yes	Yes
Discrete graphics cardKnown for one	Unknown — not stated by the source	No
Discrete graphics card modelKnown for one	Unknown — not stated by the source	Not available
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 4600	Intel® HD Graphics 4400
Maximum on-board graphics card memoryDiffers	1.74 GB	2 GB
On-board graphics card base frequencyDiffers	400 MHz	200 MHz
On-board graphics card dynamic frequency (max)Differs	1150 MHz	1000 MHz
On-board graphics card DirectX versionDiffers	11.1	11.2/12
On-board graphics card OpenGL versionKnown for one	Unknown — not stated by the source	4.3
On-board graphics card IDDiffers	0x416	0xA16
Audio1 differ
Audio systemDiffers	Dolby Advanced 2.0	Dolby Home Theater v4
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Speaker powerKnown for one	Unknown — not stated by the source	1.5 W
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Front camera resolutionKnown for one	Unknown — not stated by the source	1280 x 720 pixels
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	No
Network2 differ
Wi-Fi	Yes	Yes
Wi-Fi standardsDiffers	802.11a, 802.11b, 802.11g	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANDiffers	Yes	No
Bluetooth	Yes	Yes
Bluetooth version	4.0	4.0
Ethernet LAN data ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
Ports & interfaces6 differ
USB 2.0 ports quantity	1	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	1
Ethernet LAN (RJ-45) portsDiffers	1	0
HDMI ports quantityDiffers	1	0
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantityDiffers	1	0
Thunderbolt ports quantity	0	0
Micro HDMI ports quantityDiffers	0	1
Headphone outputsDiffers	1	0
S/PDIF out port	No	No
Combo headphone/mic port	Yes	Yes
Microphone in	No	No
Docking connectorKnown for one	Unknown — not stated by the source	No
ExpressCard slotKnown for one	Unknown — not stated by the source	No
CardBus PCMCIA slots quantityKnown for one	Unknown — not stated by the source	0
CardBus PCMCIA slot typeKnown for one	Unknown — not stated by the source	No
SmartCard slotKnown for one	Unknown — not stated by the source	No
Total number of SATA connectorsKnown for one	Unknown — not stated by the source	4
Number of SATA III connectorsKnown for one	Unknown — not stated by the source	4
eSATA/USB 2.0 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
Mini DisplayPorts quantityKnown for one	0	Unknown — not stated by the source
Mini DisplayPort/Thunderbolt combo portKnown for one	No	Unknown — not stated by the source
Firewire (IEEE 1394) portsKnown for one	0	Unknown — not stated by the source
Thunderbolt 2 ports quantityKnown for one	0	Unknown — not stated by the source
Mini HDMI ports quantityKnown for one	0	Unknown — not stated by the source
LAN/VGA combo portKnown for one	No	Unknown — not stated by the source
Mini VGA ports quantityKnown for one	0	Unknown — not stated by the source
USB Sleep-and-ChargeKnown for one	Yes	Unknown — not stated by the source
USB Sleep-and-Charge portsKnown for one	1	Unknown — not stated by the source
Keyboard2 differ
Pointing deviceDiffers	ThinkPad UltraNav	Touchpad
Numeric keypadDiffers	Yes	No
Windows keysKnown for one	Unknown — not stated by the source	Yes
Softwareidentical
Operating system installed	Windows 8.1	Windows 8.1
Operating system architecture	64-bit	64-bit
Processor special features9 differ
Intel® Wireless Display (Intel® WiDi)	Yes	Yes
CPU configuration (max)	1	1
Embedded options availableDiffers	No	Yes
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
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	No	No
Intel Enhanced Halt StateDiffers	No	Yes
Intel FDI Technology	No	No
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Identity Protection Technology version	1.00	1.00
Intel ME Firmware VersionKnown for one	Unknown — not stated by the source	9.5
Intel Rapid Storage TechnologyDiffers	No	Yes
Intel Secure Key Technology version	1.00	1.00
Intel Small Business Advantage (SBA) versionKnown for one	Unknown — not stated by the source	1.00
Intel Smart Connect TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel Smart Connect Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Smart Response Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel TSX-NI	No	No
Intel TSX-NI version	0.00	0.00
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)Differs	No	Yes
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Active Management Technology (Intel® AMT)Known for one	Unknown — not stated by the source	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® High Definition Audio (Intel® HD Audio)Known for one	Unknown — not stated by the source	Yes
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® Matrix Storage Technology (Intel® MST)Known for one	Unknown — not stated by the source	No
Intel® My WiFi Technology (Intel® MWT)Differs	No	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Rapid Start TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Secure Key	Yes	Yes
Intel® Small Business Advantage (Intel® SBA)Known for one	Unknown — not stated by the source	No
Intel® Smart Response TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost TechnologyDiffers	2.0	No
Processor ARK IDDiffers	76348	75107
Processor codeDiffers	SR1HA	SSSR16Q
Processor package sizeDiffers	37.5 x 37.5 x 4.7 mm	40 x 24 x 1.5 mm
Supported instruction sets	AVX 2.0, SSE4.1, SSE4.2	AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
UARTKnown for one	Unknown — not stated by the source	Yes
Conflict-Free processor	Yes	Yes
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Battery1 differ
Battery technologyDiffers	Lithium-Ion (Li-Ion)	Lithium Polymer (LiPo)
Number of battery cells	6	6
Battery life (max)Known for one	Unknown — not stated by the source	8 h
Poweridentical
DC-in jack	Yes	Yes
AC adapter frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
AC adapter input voltageKnown for one	100 - 240 V	Unknown — not stated by the source
Security1 differ
Cable lock slot	No	No
Fingerprint readerDiffers	Yes	No
Weight & dimensions4 differ
WeightDiffers	2.44 kg	1.56 kg
WidthDiffers	377 mm	330 mm
DepthDiffers	250 mm	221.2 mm
HeightDiffers	26.6 mm	17 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Cables includedKnown for one	Unknown — not stated by the source	AC
ManualKnown for one	Unknown — not stated by the source	Yes
Power cord includedKnown for one	Unknown — not stated by the source	Yes
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
3DKnown for one	Unknown — not stated by the source	No
TV tuner integratedKnown for one	No	Unknown — not stated by the source
Intel segment taggingKnown for one	Home office, Small Business	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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