Product comparison · 2 laptops

Lenovo S1 Yoga vs Lenovo S540 + ThinkPad OneLink Dock

142specifications compared
34differ
108identical
65known for one product only

Key differences

Form factor
- S1 Yoga:Convertible (Folder)
- S540 + ThinkPad OneLink Dock:Clamshell
Display diagonal
- S1 Yoga:31.8 cm (12.5")
- S540 + ThinkPad OneLink Dock:39.6 cm (15.6")
Processor model
- S1 Yoga:i7-4600U
- S540 + ThinkPad OneLink Dock:i7-4500U
Processor boost frequency
- S1 Yoga:3.3 GHz
- S540 + ThinkPad OneLink Dock:3 GHz
Processor frequency
- S1 Yoga:2.1 GHz
- S540 + ThinkPad OneLink Dock:1.8 GHz
Stepping
- S1 Yoga:D0
- S540 + ThinkPad OneLink Dock:C0
PCI Express configurations
- S1 Yoga:4x1, 2x4
- S540 + ThinkPad OneLink Dock:2x4
Maximum internal memory
- S1 Yoga:8 GB
- S540 + ThinkPad OneLink Dock:16 GB

Side by side

Differences highlightedShow differences only

Comparison of S1 Yoga, S540 + ThinkPad OneLink Dock
207 specifications	A Lenovo S1 Yoga View product	B Lenovo S540 + ThinkPad OneLink Dock View product
Design1 differ
Product type	Laptop	Laptop
Product colour	Black	Black
Form factorDiffers	Convertible (Folder)	Clamshell
Housing materialKnown for one	Aluminium, Magnesium	Unknown — not stated by the source
Display1 differ
Display diagonalDiffers	31.8 cm (12.5")	39.6 cm (15.6")
Display resolution	1920 x 1080 pixels	1920 x 1080 pixels
Touchscreen	Yes	Yes
Touchscreen typeKnown for one	Capacitive	Unknown — not stated by the source
HD type	Full HD	Full HD
Touch technologyKnown for one	Multi-touch	Unknown — not stated by the source
Panel typeKnown for one	IPS	Unknown — not stated by the source
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display brightnessKnown for one	400 cd/m²	Unknown — not stated by the source
Processor6 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i7	Intel® Core™ i7
Processor generation	4th gen Intel® Core™ i7	4th gen Intel® Core™ i7
Processor modelDiffers	i7-4600U	i7-4500U
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyDiffers	3.3 GHz	3 GHz
Processor frequencyDiffers	2.1 GHz	1.8 GHz
System bus rateKnown for one	5 GT/s	Unknown — not stated by the source
Processor cache	4 MB	4 MB
Processor cache type	Smart Cache	Smart Cache
Processor socket	BGA 1168	BGA 1168
Processor lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i7-4600 Mobile series	Intel Core i7-4500 Mobile series
Processor codename	Haswell	Haswell
Bus type	DMI2	DMI2
FSB Parity	No	No
SteppingDiffers	D0	C0
Thermal Design Power (TDP)	15 W	15 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanes	12	12
PCI Express configurationsDiffers	4x1, 2x4	2x4
PCI Express slots version	2.0	2.0
ECC supported by processor	No	No
Memory2 differ
Internal memory	8 GB	8 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory form factorKnown for one	On-board	Unknown — not stated by the source
Maximum internal memoryDiffers	8 GB	16 GB
Maximum internal memory (64-bit)Differs	8 GB	16 GB
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 8 GB
Memory slotsKnown for one	Unknown — not stated by the source	2x SO-DIMM
Storage1 differ
Total storage capacityDiffers	180 GB	256 GB
Optical drive type	No	No
Card reader integrated	Yes	Yes
Compatible memory cards	MMC, SD, SDHC, SDXC	MMC, SD, SDHC, SDXC
Storage mediaKnown for one	Unknown — not stated by the source	SSD
Number of SSDs installedKnown for one	Unknown — not stated by the source	1
SSD capacityKnown for one	Unknown — not stated by the source	256 GB
Graphics3 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	No	Yes
Discrete graphics card modelDiffers	Not available	AMD Radeon HD 8670M
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card model	Intel® HD Graphics 4400	Intel® HD Graphics 4400
Maximum on-board graphics card memory	1.74 GB	1.74 GB
On-board graphics card base frequency	200 MHz	200 MHz
On-board graphics card dynamic frequency (max)	1100 MHz	1100 MHz
On-board graphics card DirectX versionDiffers	11.2/12	12
On-board graphics card OpenGL versionKnown for one	4.3	Unknown — not stated by the source
On-board graphics card ID	0xA16	0xA16
Maximum resolutionKnown for one	1920 x 1200 pixels	Unknown — not stated by the source
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	2 GB
Number of discrete graphics cards installedKnown for one	Unknown — not stated by the source	1
Audio1 differ
Audio systemDiffers	Dolby Home Theater	Dolby Home Theater v4
Number of built-in speakers	2	2
Speaker powerKnown for one	2 W	Unknown — not stated by the source
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
LightScribe	No	No
Network2 differ
Wi-Fi	Yes	Yes
Wi-Fi standardsDiffers	802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANDiffers	No	Yes
Bluetooth	Yes	Yes
Bluetooth version	4.0	4.0
Ethernet LAN data ratesKnown for one	Unknown — not stated by the source	10,100,1000 Mbit/s
Ports & interfaces2 differ
USB 2.0 ports quantity	0	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2	2
eSATA/USB 2.0 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) portsDiffers	0	1
HDMI ports quantityDiffers	0	1
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantity	0	0
Firewire (IEEE 1394) ports	0	0
Thunderbolt ports quantity	0	0
Mini HDMI ports quantityKnown for one	1	Unknown — not stated by the source
S/PDIF out port	No	No
Combo headphone/mic port	Yes	Yes
Docking connector	No	No
ExpressCard slot	No	No
Number of SATA III connectors	4	4
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
Headphone outputsKnown for one	Unknown — not stated by the source	0
Microphone inKnown 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
Performanceidentical
Ambient light sensorKnown for one	Yes	Unknown — not stated by the source
Keyboard1 differ
Pointing device	ThinkPad UltraNav	ThinkPad UltraNav
Keyboard backlitKnown for one	Yes	Unknown — not stated by the source
Numeric keypadDiffers	No	Yes
Island-style keyboardKnown for one	Yes	Unknown — not stated by the source
Spill-resistant keyboard	Yes	Yes
Keyboard number of keysKnown for one	83	Unknown — not stated by the source
Windows keys	Yes	Yes
Full-size keyboardKnown for one	Unknown — not stated by the source	Yes
Software1 differ
Operating system installedDiffers	Windows 8.1 Pro	Windows 8 Pro
Operating system architectureKnown for one	64-bit	Unknown — not stated by the source
Trial softwareKnown for one	Norton Internet Security, Microsoft Office	Unknown — not stated by the source
Bundled softwareKnown for one	Lenovo Support, Lenovo Companion, Lenovo Cloud Storage, Password Manager, ThinkVantage System Update, Skype	Unknown — not stated by the source
Processor special features6 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
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 State	Yes	Yes
Intel FDI Technology	Yes	Yes
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Identity Protection Technology version	1.00	1.00
Intel ME Firmware Version	9.5	9.5
Intel Rapid Storage Technology	Yes	Yes
Intel Secure Key Technology version	1.00	1.00
Intel Small Business Advantage (SBA) versionKnown for one	1.00	Unknown — not stated by the source
Intel Smart Connect Technology	Yes	Yes
Intel Smart Connect Technology version	1.00	1.00
Intel Smart Response Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel Stable Image Platform Program (SIPP)Known for one	Yes	Unknown — not stated by the source
Intel Stable Image Platform Program (SIPP) versionKnown for one	1.00	Unknown — not stated by the source
Intel TSX-NI	No	No
Intel TSX-NI version	0.00	0.00
Intel Trusted Execution TechnologyDiffers	Yes	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	Yes	No
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Active Management Technology (Intel® AMT)Known for one	Yes	Unknown — not stated by the source
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)	Yes	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)Differs	No	Yes
Intel® My WiFi Technology (Intel® MWT)Differs	No	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Rapid Start TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel® Secure Key	Yes	Yes
Intel® Small Business Advantage (Intel® SBA)Known for one	Yes	Unknown — not stated by the source
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Smart Response TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK IDDiffers	76616	75460
Processor codeDiffers	SR1EA	SR16Z
Processor package size	40 x 24 x 1.5 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
Conflict-Free processor	Yes	Yes
Intel® Virtualization Technology (Intel® VT)Known for one	Unknown — not stated by the source	VT-x
Battery3 differ
Battery technology	Lithium Polymer (LiPo)	Lithium Polymer (LiPo)
Number of battery cellsDiffers	8	4
Battery capacityDiffers	47 Wh	62.8 Wh
Battery life (max)Differs	7 h	9 h
Poweridentical
AC adapter powerKnown for one	45 W	Unknown — not stated by the source
DC-in jack	Yes	Yes
AC adapter frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
AC adapter input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
Securityidentical
Cable lock slot	Yes	Yes
Trusted Platform Module (TPM)Known for one	Yes	Unknown — not stated by the source
Password protectionKnown for one	Yes	Unknown — not stated by the source
Password protection typeKnown for one	HDD, Power on, Supervisor	Unknown — not stated by the source
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	ENERGY STAR	Unknown — not stated by the source
Weight & dimensions4 differ
WeightDiffers	1.57 kg	2.1 kg
WidthDiffers	316 mm	379 mm
DepthDiffers	221 mm	253 mm
HeightDiffers	18.8 mm	20.7 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Power cord included	Yes	Yes
Docking station includedKnown for one	Unknown — not stated by the source	Yes
ManualKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
3DKnown for one	No	Unknown — not stated by the source
Docking stationidentical
Docking station connecting interfaceKnown for one	Unknown — not stated by the source	Lenovo OneLink
Docking station Ethernet LANKnown for one	Unknown — not stated by the source	Yes
Docking station USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	Unknown — not stated by the source	2
Docking station HDMI portKnown for one	Unknown — not stated by the source	Yes
Docking station headphone outKnown for one	Unknown — not stated by the source	Yes
Docking station microphone inKnown for one	Unknown — not stated by the source	Yes
Docking station LAN controllerKnown for one	Unknown — not stated by the source	1

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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