Product comparison · 2 laptops

Lenovo L540 + ThinkPad Pro Dock vs Lenovo IdeaPad Z40-70 Intel® Core™ i5 i5-4210U Laptop

140specifications compared
44differ
96identical
51known for one product only

Key differences

Display diagonal
- L540 + ThinkPad Pro Dock:39.6 cm (15.6")
- IdeaPad Z40-70 Intel® Core™ i5 i5-4210U Laptop:35.6 cm (14")
Processor family
- L540 + ThinkPad Pro Dock:Intel® Core™ i3
- IdeaPad Z40-70 Intel® Core™ i5 i5-4210U Laptop:Intel® Core™ i5
Processor generation
- L540 + ThinkPad Pro Dock:4th gen Intel® Core™ i3
- IdeaPad Z40-70 Intel® Core™ i5 i5-4210U Laptop:4th gen Intel® Core™ i5
Processor model
- L540 + ThinkPad Pro Dock:i3-4100M
- IdeaPad Z40-70 Intel® Core™ i5 i5-4210U Laptop:i5-4210U
Processor frequency
- L540 + ThinkPad Pro Dock:2.5 GHz
- IdeaPad Z40-70 Intel® Core™ i5 i5-4210U Laptop:1.7 GHz
Processor socket
- L540 + ThinkPad Pro Dock:PGA946
- IdeaPad Z40-70 Intel® Core™ i5 i5-4210U Laptop:BGA 1168
Stepping
- L540 + ThinkPad Pro Dock:C0
- IdeaPad Z40-70 Intel® Core™ i5 i5-4210U Laptop:D0
Thermal Design Power (TDP)
- L540 + ThinkPad Pro Dock:37 W
- IdeaPad Z40-70 Intel® Core™ i5 i5-4210U Laptop:15 W

Side by side

Differences highlightedShow differences only

Comparison of L540 + ThinkPad Pro Dock, Z40-70
191 specifications	A Lenovo L540 + ThinkPad Pro Dock View product	B Lenovo IdeaPad Z40-70 Intel® Core™ i5 i5-4210U Laptop Model Z40-70 View product
Designidentical
Product type	Laptop	Laptop
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Market positioningKnown for one	Business	Unknown — not stated by the source
Display1 differ
Display diagonalDiffers	39.6 cm (15.6")	35.6 cm (14")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
Touchscreen	No	No
HD typeKnown for one	HD	Unknown — not stated by the source
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display surfaceKnown for one	Matt	Unknown — not stated by the source
Display brightnessKnown for one	220 cd/m²	Unknown — not stated by the source
Contrast ratio (typical)Known for one	500:1	Unknown — not stated by the source
Processor10 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i3	Intel® Core™ i5
Processor generationDiffers	4th gen Intel® Core™ i3	4th gen Intel® Core™ i5
Processor modelDiffers	i3-4100M	i5-4210U
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 i3-4100 Mobile Series	Intel Core i5-4200 Mobile series
Processor codename	Haswell	Haswell
Bus type	DMI2	DMI2
FSB Parity	No	No
SteppingDiffers	C0	D0
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, 1x8+2x4, 2x8	4x1, 2x4
PCI Express slots version	2.0	2.0
ECC supported by processor	No	No
Processor boost frequencyKnown for one	Unknown — not stated by the source	2.7 GHz
Memory2 differ
Internal memoryDiffers	4 GB	8 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)Differs	1 x 4 GB	1 x 8 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
Storage5 differ
Total storage capacityDiffers	500 GB	1 TB
Storage media	HDD	HDD
Number of HDDs installed	1	1
HDD capacityDiffers	500 GB	1 TB
HDD interfaceDiffers	SATA III	SATA
HDD size	2.5"	2.5"
Optical drive typeDiffers	DVD±RW	DVD-ROM
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	MMC, SD, SDHC, SDXC	MMC, SD
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
Graphics6 differ
On-board graphics card	Yes	Yes
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	2 GB	1.74 GB
On-board graphics card base frequencyDiffers	400 MHz	200 MHz
On-board graphics card dynamic frequency (max)Differs	1100 MHz	1000 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 IDDiffers	0x416	0xA16
Audio1 differ
Audio chipKnown for one	Realtek ALC3232	Unknown — not stated by the source
Audio systemDiffers	Dolby Advanced	Dolby Home Theater
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 resolution (numeric)	1 MP	1 MP
Front camera resolution	1280 x 720 pixels	1280 x 720 pixels
Front camera signal formatKnown for one	720p	Unknown — not stated by the source
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 version	4.0	4.0
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	3	2
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	0	Unknown — not stated by the source
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityKnown for one	0	Unknown — not stated by the source
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityKnown for one	0	Unknown — not stated by the source
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantityDiffers	0	1
DisplayPorts quantity	0	0
Mini DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
Thunderbolt ports quantity	0	0
Combo headphone/mic port	Yes	Yes
Docking connectorDiffers	Yes	No
ExpressCard slotDiffers	Yes	No
DVI portKnown for one	Unknown — not stated by the source	No
VGA (D-Sub) ports quantityKnown for one	Unknown — not stated by the source	0
Headphone outputsKnown for one	Unknown — not stated by the source	0
S/PDIF out portKnown for one	Unknown — not stated by the source	No
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
Number of SATA III connectorsKnown for one	Unknown — not stated by the source	4
Keyboard2 differ
Pointing deviceDiffers	Trackpad	Touchpad
Numeric keypadDiffers	Yes	No
Spill-resistant keyboardKnown for one	Yes	Unknown — not stated by the source
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Windows keys	Yes	Yes
Software1 differ
Operating system installedDiffers	Windows 7 Professional	Windows 8.1
Operating system architecture	64-bit	64-bit
Recovery operating systemKnown for one	Windows 8.1 Pro	Unknown — not stated by the source
Trial softwareKnown for one	Microsoft Office	Unknown — not stated by the source
Processor special features10 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 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 Rapid Storage TechnologyDiffers	No	Yes
Intel Secure Key Technology version	1.00	1.00
Intel Smart Connect TechnologyDiffers	No	Yes
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)Differs	No	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® High Definition Audio (Intel® HD Audio)Differs	No	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)	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 TechnologyDiffers	No	2.0
Intel® Virtualization Technology (Intel® VT)	VT-x	VT-x
Processor ARK IDDiffers	76346	81016
Processor codeDiffers	SR1HB	SR1EF
Processor package sizeDiffers	37.5 x 37.5 x 4.7 mm	40 x 24 x 1.5 mm
Supported instruction setsDiffers	AVX 2.0	AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Intel ME Firmware VersionKnown for one	Unknown — not stated by the source	9.5
Intel Smart Connect Technology versionKnown for one	Unknown — not stated by the source	1.00
UARTKnown for one	Unknown — not stated by the source	Yes
Batteryidentical
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Battery life (max)Known for one	Unknown — not stated by the source	5 h
Poweridentical
AC adapter powerKnown for one	65 W	Unknown — not stated by the source
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
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
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
Docking stationidentical
Docking station Ethernet LANKnown for one	Yes	Unknown — not stated by the source
Docking station USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	1	Unknown — not stated by the source
Docking station VGA (D-Sub) portKnown for one	Yes	Unknown — not stated by the source
Docking station DisplayPortKnown for one	Yes	Unknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
CertificationKnown for one	MIL-STD-810G	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	EPEAT Gold, ENERGY STAR	Unknown — not stated by the source
Weight & dimensions2 differ
WidthDiffers	377 mm	349 mm
DepthDiffers	247 mm	245 mm
WeightKnown for one	Unknown — not stated by the source	2.1 kg
HeightKnown for one	Unknown — not stated by the source	24.8 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Docking station includedKnown for one	Yes	Unknown — not stated by the source
Manual	Yes	Yes
Power cord included	Yes	Yes
Other featuresidentical
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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