Product comparison · 2 laptops

Dynabook Tecra Z40-C-136 vs Lenovo Flex 4

142specifications compared
54differ
88identical
63known for one product only

Key differences

Product type
- Tecra Z40-C-136:Laptop
- Flex 4:Hybrid (2-in-1)
Product colour
- Tecra Z40-C-136:Black, Grey, Metallic
- Flex 4:Black
Form factor
- Tecra Z40-C-136:Clamshell
- Flex 4:Convertible (Folder)
Display diagonal
- Tecra Z40-C-136:35.6 cm (14")
- Flex 4:39.6 cm (15.6")
Touchscreen
- Tecra Z40-C-136:No
- Flex 4:Yes
Panel type
- Tecra Z40-C-136:TFT
- Flex 4:IPS
Processor family
- Tecra Z40-C-136:Intel® Core™ i7
- Flex 4:Intel® Core™ i5
Processor generation
- Tecra Z40-C-136:6th gen Intel® Core™ i7
- Flex 4:7th gen Intel® Core™ i5

Side by side

Differences highlightedShow differences only

Comparison of Z40-C-136, Flex 4
205 specifications	A Dynabook Tecra Z40-C-136 Model Z40-C-136 View product	B Lenovo Flex 4 View product
Design4 differ
Product typeDiffers	Laptop	Hybrid (2-in-1)
Product colourDiffers	Black, Grey, Metallic	Black
Form factorDiffers	Clamshell	Convertible (Folder)
Housing materialDiffers	Magnesium	Acrylonitrile butadiene styrene (ABS), Plastic, Polycarbonate (PC)
Colour nameKnown for one	Steel grey metallic, magnesium chassis, matt black keyboard	Unknown — not stated by the source
Display3 differ
Display diagonalDiffers	35.6 cm (14")	39.6 cm (15.6")
TouchscreenDiffers	No	Yes
Touchscreen typeKnown for one	Unknown — not stated by the source	Capacitive
Touch technologyKnown for one	Unknown — not stated by the source	Multi-touch
Panel typeDiffers	TFT	IPS
Display brightnessKnown for one	Unknown — not stated by the source	250 cd/m²
Dual-screenKnown for one	Unknown — not stated by the source	No
Display surfaceKnown for one	Matt	Unknown — not stated by the source
Display diagonal (metric)Known for one	35.6 cm	Unknown — not stated by the source
Display response rise/fallKnown for one	25 ms	Unknown — not stated by the source
Processor11 differ
Processor familyDiffers	Intel® Core™ i7	Intel® Core™ i5
Processor generationDiffers	6th gen Intel® Core™ i7	7th gen Intel® Core™ i5
Processor modelDiffers	i7-6600U	i5-7200U
Processor boost frequencyDiffers	3.4 GHz	3.1 GHz
Processor frequencyDiffers	2.6 GHz	2.5 GHz
Processor cacheDiffers	4 MB	3 MB
Processor socketDiffers	LGA 1356 (Socket B2)	BGA 1356
Processor codenameDiffers	Skylake	Kaby Lake
SteppingDiffers	D1	H0
Configurable TDP-up frequencyDiffers	2.8 GHz	2.7 GHz
PCI Express configurationsDiffers	1x4, 4x1	1x2+2x1, 1x4, 2x2, 4x1
Processor seriesKnown for one	Intel Core i7-6600 Mobile Series	Unknown — not stated by the source
Memory3 differ
Internal memory typeDiffers	DDR3L-SDRAM	DDR4-SDRAM
Memory clock speedDiffers	1600 MHz	2133 MHz
Memory form factorKnown for one	Unknown — not stated by the source	SO-DIMM
Memory slotsDiffers	2x SO-DIMM	1x SO-DIMM
Storage3 differ
Total storage capacityDiffers	256 GB	1 TB
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	1 TB
HDD interfaceKnown for one	Unknown — not stated by the source	SATA III
Compatible memory cardsDiffers	SD, SDHC, SDXC	MMC, SD, SDHC, SDXC
Number of SSDs installedKnown for one	1	Unknown — not stated by the source
SSD capacityKnown for one	256 GB	Unknown — not stated by the source
Graphics3 differ
On-board GPU manufacturerKnown for one	Unknown — not stated by the source	Intel
On-board graphics card modelDiffers	Intel® HD Graphics 520	Intel® HD Graphics 620
On-board graphics card dynamic frequency (max)Differs	1050 MHz	1000 MHz
On-board graphics card IDDiffers	1916	0x5916
Graphics card Open GL supportKnown for one	Yes	Unknown — not stated by the source
Audioidentical
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Audio decodersKnown for one	DTS Studio Sound	Unknown — not stated by the source
Camera1 differ
Front camera resolutionDiffers	1920 x 1080 pixels	1280 x 720 pixels
Front camera resolution (numeric)Known for one	2 MP	Unknown — not stated by the source
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	No
Network1 differ
Wi-Fi standardsDiffers	802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)	Wi-Fi 5 (802.11ac)
Top Wi-Fi standardKnown for one	Wi-Fi 5 (802.11ac)	Unknown — not stated by the source
Bluetooth Low Energy (BLE)Known for one	Yes	Unknown — not stated by the source
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	0	1
eSATA/USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	Unknown — not stated by the source	0
Mini DisplayPort/Thunderbolt combo portKnown for one	Unknown — not stated by the source	No
VGA (D-Sub) ports quantityDiffers	1	0
Thunderbolt 2 ports quantityKnown for one	Unknown — not stated by the source	0
Thunderbolt 3 ports quantityKnown for one	Unknown — not stated by the source	0
LAN/VGA combo portKnown for one	Unknown — not stated by the source	No
Headphone outputsDiffers	0	1
Microphone inDiffers	No	Yes
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
TV-outKnown for one	Unknown — not stated by the source	No
Docking connectorKnown for one	No	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	Clickpad	Touchpad
Numeric keypadDiffers	No	Yes
Keyboard backlitKnown for one	Yes	Unknown — not stated by the source
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Keyboard number of keysKnown for one	87	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows 10 Pro	Windows 10 Home
Processor special features9 differ
Embedded options availableDiffers	Yes	No
Intel Stable Image Platform Program (SIPP)Differs	Yes	No
Intel Stable Image Platform Program (SIPP) versionDiffers	1.00	0.00
Intel TSX-NIDiffers	Yes	No
Intel TSX-NI versionDiffers	1.00	0.00
Intel Trusted Execution TechnologyDiffers	Yes	No
Processor ARK IDDiffers	88192	95443
Processor codeDiffers	SR2F1	SR2ZU
Supported instruction setsDiffers	SSE4.1, SSE4.2, AVX 2.0	AVX 2.0, SSE4.1, SSE4.2
Intel Small Business Advantage (SBA) versionKnown for one	1.00	Unknown — not stated by the source
Intel Smart Connect TechnologyKnown for one	Yes	Unknown — not stated by the source
Battery3 differ
Battery technologyDiffers	Lithium-Ion (Li-Ion)	Lithium Polymer (LiPo)
Number of battery cellsDiffers	4	3
Battery capacityKnown for one	Unknown — not stated by the source	52.5 Wh
Battery life (max)Differs	8 h	9 h
Poweridentical
AC adapter powerKnown for one	Unknown — not stated by the source	65 W
AC adapter output currentKnown for one	3.42 A	Unknown — not stated by the source
AC adapter output voltageKnown for one	19 V	Unknown — not stated by the source
DC-in jackKnown for one	Yes	Unknown — not stated by the source
Security1 differ
Password protection typeDiffers	HDD, Supervisor, User	HDD, Power on, Supervisor
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
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
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 35 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	5 - 43 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	8 - 95%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Operating altitudeKnown for one	Unknown — not stated by the source	0 - 2438 m
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
CertificationKnown for one	The manufacturer declares that this product complies with the following directives and regulations for the CE-marking. Responsible for CE marking is Dynabook Europe GmbH, Stresemannallee 4b, 41460 Neuss, Germany.	Unknown — not stated by the source
Sustainability1 differ
Sustainability certificatesDiffers	ENERGY STAR	EPEAT Silver, ENERGY STAR
Weight & dimensions4 differ
WeightDiffers	1.47 kg	2.08 kg
WidthDiffers	338 mm	378 mm
DepthDiffers	236 mm	253 mm
HeightDiffers	20.4 mm	21.4 mm
Packaging contentidentical
Mouse includedKnown for one	Unknown — not stated by the source	No
Power cord includedKnown for one	Unknown — not stated by the source	Yes
Remote control includedKnown for one	Unknown — not stated by the source	No
Other featuresidentical
3DKnown for one	Unknown — not stated by the source	No
Performanceidentical
AccelerometerKnown for one	Yes	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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