Lenovo L540 + Thinkpad Basic Dock 65W vs Lenovo L540 + ThinkPad Pro Dock

Comparison of L540 + Thinkpad Basic Dock 65W, L540 + ThinkPad Pro Dock

189 specifications	A Lenovo L540 + Thinkpad Basic Dock 65WView product	B Lenovo L540 + ThinkPad Pro DockView product
Designidentical
Product type	Laptop	Laptop
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Market positioningKnown for one	—Unknown — not stated by the source	Business
Displayidentical
Display diagonal	39.6 cm (15.6")	39.6 cm (15.6")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
Touchscreen	No	No
HD typeKnown for one	—Unknown — not stated by the source	HD
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display surfaceKnown for one	—Unknown — not stated by the source	Matt
Display brightnessKnown for one	—Unknown — not stated by the source	220 cd/m²
Contrast ratio (typical)Known for one	—Unknown — not stated by the source	500:1
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i3	Intel® Core™ i3
Processor generation	4th gen Intel® Core™ i3	4th gen Intel® Core™ i3
Processor model	i3-4100M	i3-4100M
Processor cores	2	2
Processor threads	4	4
Processor frequency	2.5 GHz	2.5 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	PGA946	PGA946
Processor lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Core i3-4100 Mobile Series	Intel Core i3-4100 Mobile Series
Processor codename	Haswell	Haswell
Bus type	DMI2	DMI2
FSB Parity	No	No
Stepping	C0	C0
Thermal Design Power (TDP)	37 W	37 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurations	1x16, 1x8+2x4, 2x8	1x16, 1x8+2x4, 2x8
PCI Express slots version	2.0	2.0
ECC supported by processor	No	No
Memoryidentical
Internal memory	4 GB	4 GB
Internal memory type	DDR3L-SDRAM	DDR3L-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory form factor	SO-DIMM	SO-DIMM
Memory layout (slots x size)	1 x 4 GB	1 x 4 GB
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memory	16 GB	16 GB
Maximum internal memory (64-bit)	16 GB	16 GB
Storage1 differ
Total storage capacity	500 GB	500 GB
Storage media	HDD	HDD
Number of HDDs installed	1	1
HDD capacity	500 GB	500 GB
HDD interfaceDiffers	SATA	SATA III
HDD size	2.5"	2.5"
Optical drive type	DVD±RW	DVD±RW
Card reader integrated	Yes	Yes
Compatible memory cards	MMC, SD, SDHC, SDXC	MMC, SD, SDHC, SDXC
HDD speedKnown for one	7200 RPM	—Unknown — not stated by the source
Graphicsidentical
On-board graphics card	Yes	Yes
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card model	Intel® HD Graphics 4600	Intel® HD Graphics 4600
Maximum on-board graphics card memory	2 GB	2 GB
On-board graphics card base frequency	400 MHz	400 MHz
On-board graphics card dynamic frequency (max)	1100 MHz	1100 MHz
On-board graphics card DirectX version	11.2/12	11.2/12
On-board graphics card OpenGL version	4.3	4.3
On-board graphics card ID	0x416	0x416
Audioidentical
Audio chipKnown for one	—Unknown — not stated by the source	Realtek ALC3232
Audio system	Dolby Advanced	Dolby Advanced
Number of built-in speakers	2	2
Speaker powerKnown for one	—Unknown — not stated by the source	2 W
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Front camera resolution (numeric)Known for one	—Unknown — not stated by the source	1 MP
Front camera resolution	1280 x 720 pixels	1280 x 720 pixels
Front camera signal formatKnown for one	—Unknown — not stated by the source	720p
Networkidentical
Wi-Fi	Yes	Yes
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Bluetooth	Yes	Yes
Bluetooth versionKnown for one	—Unknown — not stated by the source	4.0
Mobile network connectionKnown for one	Yes	—Unknown — not stated by the source
Mobile network generationKnown for one	3G	—Unknown — not stated by the source
Ports & interfacesidentical
USB 2.0 ports quantity	3	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	1	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityKnown for one	—Unknown — not stated by the source	0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityKnown for one	—Unknown — not stated by the source	0
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityKnown for one	—Unknown — not stated by the source	0
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	0	0
DisplayPorts quantity	0	0
Mini DisplayPorts quantity	1	1
Thunderbolt ports quantity	0	0
Combo headphone/mic port	Yes	Yes
Docking connector	Yes	Yes
ExpressCard slot	Yes	Yes
DVI portKnown for one	No	—Unknown — not stated by the source
VGA (D-Sub) ports quantityKnown for one	0	—Unknown — not stated by the source
Headphone outputsKnown for one	0	—Unknown — not stated by the source
S/PDIF out portKnown for one	No	—Unknown — not stated by the source
Microphone inKnown for one	No	—Unknown — not stated by the source
CardBus PCMCIA slots quantityKnown for one	0	—Unknown — not stated by the source
CardBus PCMCIA slot typeKnown for one	No	—Unknown — not stated by the source
Keyboardidentical
Pointing device	Trackpad	Trackpad
Numeric keypad	Yes	Yes
Spill-resistant keyboardKnown for one	—Unknown — not stated by the source	Yes
Full-size keyboard	Yes	Yes
Windows keys	Yes	Yes
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Recovery operating system	Windows 8.1 Pro	Windows 8.1 Pro
Trial softwareKnown for one	—Unknown — not stated by the source	Microsoft Office
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
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	No	No
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 Rapid Storage Technology	No	No
Intel Secure Key Technology version	1.00	1.00
Intel Smart Connect Technology	No	No
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)	No	No
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Active Management Technology (Intel® AMT)	No	No
Intel® Anti-Theft Technology (Intel® AT)	Yes	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)	No	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® High Definition Audio (Intel® HD Audio)	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® Matrix Storage Technology (Intel® MST)	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Rapid Start Technology	No	No
Intel® Secure Key	Yes	Yes
Intel® Smart Cache	Yes	Yes
Intel® Smart Response Technology	No	No
Intel® Turbo Boost Technology	No	No
Intel® Virtualization Technology (Intel® VT)	VT-x	VT-x
Processor ARK ID	76346	76346
Processor code	SR1HB	SR1HB
Processor package size	37.5 x 37.5 x 4.7 mm	37.5 x 37.5 x 4.7 mm
Supported instruction sets	AVX 2.0	AVX 2.0
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Batteryidentical
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cellsKnown for one	6	—Unknown — not stated by the source
Battery capacityKnown for one	56 Wh	—Unknown — not stated by the source
Battery life (max)Known for one	7 h	—Unknown — not stated by the source
Poweridentical
AC adapter powerKnown for one	—Unknown — not stated by the source	65 W
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
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Trusted Platform Module (TPM)	Yes	Yes
Password protectionKnown for one	—Unknown — not stated by the source	Yes
Password protection typeKnown for one	—Unknown — not stated by the source	HDD, Power on, Supervisor
Fingerprint readerKnown for one	Yes	—Unknown — not stated by the source
Docking stationidentical
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	1
Docking station VGA (D-Sub) portKnown for one	—Unknown — not stated by the source	Yes
Docking station DisplayPortKnown for one	—Unknown — not stated by the source	Yes
Certificatesidentical
Compliance certificatesKnown for one	—Unknown — not stated by the source	RoHS
CertificationKnown for one	—Unknown — not stated by the source	MIL-STD-810G
Sustainabilityidentical
Sustainability certificatesKnown for one	—Unknown — not stated by the source	EPEAT Gold, ENERGY STAR
Weight & dimensionsidentical
Width	377 mm	377 mm
Depth	247 mm	247 mm
WeightKnown for one	2.58 kg	—Unknown — not stated by the source
HeightKnown for one	31 mm	—Unknown — not stated by the source
Packaging contentidentical
AC adapter included	Yes	Yes
Docking station includedKnown for one	—Unknown — not stated by the source	Yes
Manual	Yes	Yes
Power cord included	Yes	Yes
Other featuresidentical
Intel segment tagging	Home office, Small Business	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.