Product comparison · 2 laptops

Dynabook Portégé Z30-E-138 vs Lenovo ThinkPad P72 Intel® Core™ i7 i7-8750H Mobile workstation

130specifications compared
51differ
79identical
65known for one product only

Key differences

Product type
- Portégé Z30-E-138:Laptop
- ThinkPad P72 Intel® Core™ i7 i7-8750H Mobile workstation:Mobile workstation
Product colour
- Portégé Z30-E-138:Silver
- ThinkPad P72 Intel® Core™ i7 i7-8750H Mobile workstation:Black
Display diagonal
- Portégé Z30-E-138:33.8 cm (13.3")
- ThinkPad P72 Intel® Core™ i7 i7-8750H Mobile workstation:43.9 cm (17.3")
Panel type
- Portégé Z30-E-138:TFT
- ThinkPad P72 Intel® Core™ i7 i7-8750H Mobile workstation:IPS
Processor model
- Portégé Z30-E-138:i7-8550U
- ThinkPad P72 Intel® Core™ i7 i7-8750H Mobile workstation:i7-8750H
Processor cores
- Portégé Z30-E-138:4
- ThinkPad P72 Intel® Core™ i7 i7-8750H Mobile workstation:6
Processor threads
- Portégé Z30-E-138:8
- ThinkPad P72 Intel® Core™ i7 i7-8750H Mobile workstation:12
Processor boost frequency
- Portégé Z30-E-138:4 GHz
- ThinkPad P72 Intel® Core™ i7 i7-8750H Mobile workstation:4.1 GHz

Side by side

Differences highlightedShow differences only

Comparison of Z30-E-138, P72
195 specifications	A Dynabook Portégé Z30-E-138 Model Z30-E-138 View product	B Lenovo ThinkPad P72 Intel® Core™ i7 i7-8750H Mobile workstation Model P72 View product
Design2 differ
Product typeDiffers	Laptop	Mobile workstation
Product colourDiffers	Silver	Black
Colour nameKnown for one	Cosmo Silver	Unknown — not stated by the source
Display2 differ
Display diagonalDiffers	33.8 cm (13.3")	43.9 cm (17.3")
Display resolutionKnown for one	1920 x 1080 pixels	Unknown — not stated by the source
HD typeKnown for one	Full HD	Unknown — not stated by the source
Panel typeDiffers	TFT	IPS
Display surfaceKnown for one	Matt	Unknown — not stated by the source
Display diagonal (metric)Known for one	33.8 cm	Unknown — not stated by the source
Dual-screenKnown for one	Unknown — not stated by the source	No
Processor16 differ
Processor modelDiffers	i7-8550U	i7-8750H
Processor coresDiffers	4	6
Processor threadsDiffers	8	12
Processor boost frequencyDiffers	4 GHz	4.1 GHz
Processor frequencyDiffers	1.8 GHz	2.2 GHz
System bus rateDiffers	4 GT/s	8 GT/s
Processor cacheDiffers	8 MB	9 MB
Processor socketDiffers	BGA 1356	BGA 1440
Processor codenameDiffers	Kaby Lake R	Coffee Lake
Bus typeDiffers	OPI	DMI
SteppingDiffers	Y0	U0
Thermal Design Power (TDP)Differs	15 W	45 W
Configurable TDP-up frequencyKnown for one	2 GHz	Unknown — not stated by the source
Configurable TDP-upKnown for one	25 W	Unknown — not stated by the source
Configurable TDP-downDiffers	10 W	35 W
Configurable TDP-down frequencyDiffers	0.8 GHz	1.7 GHz
Maximum number of PCI Express lanesDiffers	12	16
PCI Express configurationsDiffers	1x2+2x1, 1x4, 2x2, 4x1	1x16, 1x8+2x4, 2x8
Processor cache typeKnown for one	Unknown — not stated by the source	Smart Cache
Memory3 differ
Internal memoryDiffers	8 GB	16 GB
Memory slotsDiffers	2x SO-DIMM	4x SO-DIMM
Maximum internal memoryDiffers	32 GB	128 GB
ECCKnown for one	Unknown — not stated by the source	No
Storage2 differ
Total storage capacityDiffers	256 GB	500 GB
Storage mediaDiffers	SSD	HDD
Total SSDs capacityKnown for one	256 GB	Unknown — not stated by the source
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
SSD interfaceKnown for one	M.2, SATA	Unknown — not stated by the source
SSD form factorKnown for one	M.2	Unknown — not stated by the source
Total HDDs capacityKnown for one	Unknown — not stated by the source	500 GB
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD capacityKnown for one	Unknown — not stated by the source	500 GB
HDD interfaceKnown for one	Unknown — not stated by the source	SATA III
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
Graphics6 differ
Discrete graphics cardKnown for one	No	Unknown — not stated by the source
Discrete graphics card modelKnown for one	Not available	Unknown — not stated by the source
On-board graphics card modelDiffers	Intel® UHD Graphics 620	Intel® UHD Graphics 630
Maximum on-board graphics card memoryDiffers	32 GB	64 GB
On-board graphics card base frequencyDiffers	300 MHz	350 MHz
On-board graphics card dynamic frequency (max)Differs	1150 MHz	1100 MHz
On-board graphics card OpenGL versionDiffers	4.4	4.5
On-board graphics card IDDiffers	0x5917	0x3E9B
On-board graphics card familyKnown for one	Unknown — not stated by the source	Intel® UHD Graphics
Audio1 differ
Audio systemDiffers	DTS Studio Sound	Dolby Audio Premium
Number of microphonesKnown for one	2	Unknown — not stated by the source
Audio qualityKnown for one	24 bit	Unknown — not stated by the source
Audio chipKnown for one	Unknown — not stated by the source	Realtek ALC3286
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Speaker powerKnown for one	Unknown — not stated by the source	2 W
Camera2 differ
Front camera resolution (numeric)Known for one	2 MP	Unknown — not stated by the source
Front camera HD typeDiffers	Full HD	HD
Front camera resolutionDiffers	1920 x 1080 pixels	1280 x 720 pixels
Front camera signal formatKnown for one	Unknown — not stated by the source	720p
Network2 differ
Wi-Fi standardsDiffers	802.11a, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)	802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
WLAN controller manufacturerKnown for one	Intel	Unknown — not stated by the source
WLAN controller modelKnown for one	Intel Dual Band Wireless-AC 8265	Unknown — not stated by the source
Bluetooth versionDiffers	4.2	5.0
Antenna typeKnown for one	Unknown — not stated by the source	2x2
Ports & interfaces1 differ
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	3	4
VGA (D-Sub) ports quantityKnown for one	1	Unknown — not stated by the source
Thunderbolt 3 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	Unknown — not stated by the source	2
HDMI versionKnown for one	Unknown — not stated by the source	2.0
Mini DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
Microphone inKnown for one	Unknown — not stated by the source	No
Keyboard1 differ
Numeric keypadDiffers	No	Yes
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
Pointing deviceKnown for one	Unknown — not stated by the source	ThinkPad UltraNav
Spill-resistant keyboardKnown for one	Unknown — not stated by the source	Yes
Software1 differ
Operating system installedDiffers	Windows 10 Pro	Windows 10 Home
Trial softwareKnown for one	Microsoft Office 365	Unknown — not stated by the source
Bundled softwareKnown for one	TOSHIBA PC Health Monitor DTS Studio Sound TOSHIBA Eco Utility	Unknown — not stated by the source
Processor special features2 differ
Intel Smart Response Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel® Smart Response TechnologyKnown for one	Yes	Unknown — not stated by the source
Processor ARK IDDiffers	122589	134906
Processor package sizeDiffers	42 x 24 mm	42 x 28 mm
Conflict-Free processorKnown for one	Yes	Unknown — not stated by the source
Intel Stable Image Platform Program (SIPP)Known for one	Unknown — not stated by the source	No
Intel Stable Image Platform Program (SIPP) versionKnown for one	Unknown — not stated by the source	0.00
Processor codeKnown for one	Unknown — not stated by the source	SR3YY
Battery2 differ
Number of battery cellsDiffers	4	6
Battery life (max)Differs	13.1 h	18 h
Battery capacityKnown for one	Unknown — not stated by the source	99 Wh
Fast chargingKnown for one	Unknown — not stated by the source	Yes
Poweridentical
AC adapter input voltageKnown for one	100 - 240 V	Unknown — not stated by the source
AC adapter output currentKnown for one	2.37 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
AC adapter powerKnown for one	Unknown — not stated by the source	230 W
Security1 differ
Smart card readerKnown for one	Yes	Unknown — not stated by the source
Password protection typeDiffers	HDD, Supervisor, User	HDD, Power on, Supervisor
Certificates1 differ
Wi-Fi certifiedKnown for one	Yes	Unknown — not stated by the source
CertificationDiffers	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.	MIL-STD-810G
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Sustainability1 differ
Sustainability certificatesDiffers	ENERGY STAR	EPEAT Gold, ENERGY STAR
Weight & dimensions5 differ
WeightDiffers	1.2 kg	3.4 kg
WidthDiffers	316 mm	416 mm
DepthDiffers	316 mm	281 mm
Height (front)Differs	1.39 cm	2.45 cm
Height (rear)Differs	1.79 cm	2.94 cm
Packaging contentidentical
Power cord includedKnown for one	Unknown — not stated by the source	Yes
Warranty cardKnown for one	Unknown — not stated by the source	Yes
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® CM246
Other featuresidentical
3DKnown for one	Unknown — not stated by the source	No

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