Product comparison · 2 laptops

Lenovo X1 Carbon + OneLink Pro Dock vs Lenovo IdeaPad Z40 Intel® Core™ i5 i5-4210U Laptop

144specifications compared
34differ
110identical
51known for one product only

Key differences

Product type
- X1 Carbon + OneLink Pro Dock:Ultrabook
- IdeaPad Z40 Intel® Core™ i5 i5-4210U Laptop:Laptop
Display resolution
- X1 Carbon + OneLink Pro Dock:1600 x 900 pixels
- IdeaPad Z40 Intel® Core™ i5 i5-4210U Laptop:1366 x 768 pixels
Processor model
- X1 Carbon + OneLink Pro Dock:i5-4300U
- IdeaPad Z40 Intel® Core™ i5 i5-4210U Laptop:i5-4210U
Processor boost frequency
- X1 Carbon + OneLink Pro Dock:2.9 GHz
- IdeaPad Z40 Intel® Core™ i5 i5-4210U Laptop:2.7 GHz
Processor frequency
- X1 Carbon + OneLink Pro Dock:1.9 GHz
- IdeaPad Z40 Intel® Core™ i5 i5-4210U Laptop:1.7 GHz
Memory form factor
- X1 Carbon + OneLink Pro Dock:On-board
- IdeaPad Z40 Intel® Core™ i5 i5-4210U Laptop:SO-DIMM
Maximum internal memory
- X1 Carbon + OneLink Pro Dock:8 GB
- IdeaPad Z40 Intel® Core™ i5 i5-4210U Laptop:16 GB
Total storage capacity
- X1 Carbon + OneLink Pro Dock:128 GB
- IdeaPad Z40 Intel® Core™ i5 i5-4210U Laptop:1 TB

Side by side

Differences highlightedShow differences only

Comparison of X1 Carbon + OneLink Pro Dock, Z40
195 specifications	A Lenovo X1 Carbon + OneLink Pro Dock View product	B Lenovo IdeaPad Z40 Intel® Core™ i5 i5-4210U Laptop Model Z40 View product
Design1 differ
Product typeDiffers	Ultrabook	Laptop
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Housing materialKnown for one	Aluminium, Carbon fibre, Glass fibre, Magnesium, Plastic	Unknown — not stated by the source
Market positioningKnown for one	Premium	Unknown — not stated by the source
Display1 differ
Display diagonal	35.6 cm (14")	35.6 cm (14")
Display resolutionDiffers	1600 x 900 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
Contrast ratio (typical)Known for one	400:1	Unknown — not stated by the source
Processor4 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i5	Intel® Core™ i5
Processor generation	4th gen Intel® Core™ i5	4th gen Intel® Core™ i5
Processor modelDiffers	i5-4300U	i5-4210U
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyDiffers	2.9 GHz	2.7 GHz
Processor frequencyDiffers	1.9 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 socket	BGA 1168	BGA 1168
Processor lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i5-4300 Mobile series	Intel Core i5-4200 Mobile series
Processor codename	Haswell	Haswell
Bus type	DMI2	DMI2
FSB Parity	No	No
Stepping	D0	D0
Thermal Design Power (TDP)	15 W	15 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanes	12	12
PCI Express configurations	4x1, 2x4	4x1, 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	DDR3L-SDRAM	DDR3L-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory form factorDiffers	On-board	SO-DIMM
Maximum internal memoryDiffers	8 GB	16 GB
Memory slotsKnown for one	Unknown — not stated by the source	2x SO-DIMM
Storage4 differ
Total storage capacityDiffers	128 GB	1 TB
Storage mediaDiffers	SSD	HDD
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
Optical drive typeDiffers	No	DVD Super Multi DL
Card reader integratedDiffers	No	Yes
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD capacityKnown for one	Unknown — not stated by the source	1 TB
HDD interfaceKnown for one	Unknown — not stated by the source	SATA III
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
Compatible memory cardsKnown for one	Unknown — not stated by the source	MMC, SD
Graphics1 differ
On-board graphics card	Yes	Yes
Discrete graphics card	No	No
Discrete graphics card model	Not available	Not available
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)Differs	1100 MHz	1000 MHz
On-board graphics card DirectX version	12	12
On-board graphics card ID	0xA16	0xA16
Audio1 differ
Audio systemDiffers	Dolby Home Theater v4	Dolby Home Theater
Number of built-in speakers	2	2
Speaker powerKnown for one	1 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 & interfaces3 differ
USB 2.0 ports quantityDiffers	0	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	1
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
Ethernet LAN (RJ-45) portsDiffers	0	1
HDMI ports quantity	1	1
DisplayPorts quantity	0	0
Mini DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
DVI port	No	No
VGA (D-Sub) ports quantity	0	0
Firewire (IEEE 1394) portsKnown for one	0	Unknown — not stated by the source
Thunderbolt ports quantity	0	0
Headphone outputs	0	0
S/PDIF out port	No	No
Combo headphone/mic port	Yes	Yes
Microphone in	No	No
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Total number of SATA connectors	4	4
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
Docking connectorKnown for one	Unknown — not stated by the source	No
Keyboardidentical
Keyboard backlitKnown for one	Yes	Unknown — not stated by the source
Numeric keypad	No	No
Spill-resistant keyboardKnown for one	Yes	Unknown — not stated by the source
Windows keysKnown for one	Yes	Unknown — not stated by the source
Pointing deviceKnown for one	Unknown — not stated by the source	Touchpad
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	Unknown — not stated by the source	Microsoft Office Home Premium, McAfee Internet Security
Bundled softwareKnown for one	Unknown — not stated by the source	VeriFace Pro Lenovo Companion Lenovo Support Zinio Online Newsstand Amazon Kindle for PC Evernote
Processor special features7 differ
Intel® Wireless Display (Intel® WiDi)	Yes	Yes
CPU configuration (max)	1	1
Embedded options availableDiffers	Yes	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	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 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® 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)	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® Small Business Advantage (Intel® SBA)Differs	Yes	No
Intel® Smart Cache	Yes	Yes
Intel® Smart Response TechnologyDiffers	Yes	No
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK IDDiffers	76308	81016
Processor codeDiffers	SR1ED	SR1EF
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
UART	Yes	Yes
Conflict-Free processor	Yes	Yes
Intel® Active Management Technology (Intel® AMT)Known for one	Unknown — not stated by the source	No
Intel® Rapid Start TechnologyKnown for one	Unknown — not stated by the source	No
Battery3 differ
Battery technologyDiffers	Lithium Polymer (LiPo)	Lithium-Ion (Li-Ion)
Number of battery cellsDiffers	8	4
Battery capacityKnown for one	45 Wh	Unknown — not stated by the source
Battery life (max)Differs	9 h	5 h
Poweridentical
AC adapter powerKnown for one	45 W	Unknown — not stated by the source
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Fingerprint readerKnown for one	Yes	Unknown — not stated by the source
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
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Docking stationidentical
Docking station connecting interfaceKnown for one	Lenovo OneLink	Unknown — not stated by the source
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	4	Unknown — not stated by the source
Docking station DVI portKnown for one	Yes	Unknown — not stated by the source
Docking station DisplayPortKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions4 differ
WeightDiffers	1.34 kg	2.1 kg
WidthDiffers	331 mm	348.9 mm
DepthDiffers	226.8 mm	243.8 mm
HeightDiffers	18.2 mm	24.6 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Docking station includedKnown for one	Yes	Unknown — not stated by the source
Manual	Yes	Yes
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Intel segment taggingKnown for one	Enterprise, 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.

More laptop comparisons

All laptop comparisons