Product comparison · 2 laptops

Lenovo N42-20 Intel® Celeron® N3160 Chromebook vs Lenovo ThinkPad P51 Intel® Core™ i7 i7-7700HQ Mobile workstation

115specifications compared
54differ
61identical
84known for one product only

Key differences

Product type
- N42-20 Intel® Celeron® N3160 Chromebook:Chromebook
- ThinkPad P51 Intel® Core™ i7 i7-7700HQ Mobile workstation:Mobile workstation
Display diagonal
- N42-20 Intel® Celeron® N3160 Chromebook:35.6 cm (14")
- ThinkPad P51 Intel® Core™ i7 i7-7700HQ Mobile workstation:39.6 cm (15.6")
Display resolution
- N42-20 Intel® Celeron® N3160 Chromebook:1366 x 768 pixels
- ThinkPad P51 Intel® Core™ i7 i7-7700HQ Mobile workstation:1920 x 1080 pixels
HD type
- N42-20 Intel® Celeron® N3160 Chromebook:HD
- ThinkPad P51 Intel® Core™ i7 i7-7700HQ Mobile workstation:Full HD
Processor family
- N42-20 Intel® Celeron® N3160 Chromebook:Intel® Celeron®
- ThinkPad P51 Intel® Core™ i7 i7-7700HQ Mobile workstation:Intel® Core™ i7
Processor model
- N42-20 Intel® Celeron® N3160 Chromebook:N3160
- ThinkPad P51 Intel® Core™ i7 i7-7700HQ Mobile workstation:i7-7700HQ
Processor threads
- N42-20 Intel® Celeron® N3160 Chromebook:4
- ThinkPad P51 Intel® Core™ i7 i7-7700HQ Mobile workstation:8
Processor boost frequency
- N42-20 Intel® Celeron® N3160 Chromebook:2.24 GHz
- ThinkPad P51 Intel® Core™ i7 i7-7700HQ Mobile workstation:3.8 GHz

Side by side

Differences highlightedShow differences only

Comparison of N42-20, P51
199 specifications	A Lenovo N42-20 Intel® Celeron® N3160 Chromebook Model N42-20 View product	B Lenovo ThinkPad P51 Intel® Core™ i7 i7-7700HQ Mobile workstation Model P51 View product
Design1 differ
Product typeDiffers	Chromebook	Mobile workstation
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Housing materialKnown for one	Unknown — not stated by the source	Aluminium, Glass-reinforced plastic (GRP), Magnesium
Market positioningKnown for one	Unknown — not stated by the source	High performance
Display3 differ
Display diagonalDiffers	35.6 cm (14")	39.6 cm (15.6")
Display resolutionDiffers	1366 x 768 pixels	1920 x 1080 pixels
Touchscreen	No	No
HD typeDiffers	HD	Full HD
Panel typeKnown for one	Unknown — not stated by the source	IPS
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display surfaceKnown for one	Unknown — not stated by the source	Matt
Screen shape	Flat	Flat
Processor14 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Celeron®	Intel® Core™ i7
Processor generationKnown for one	Unknown — not stated by the source	7th gen Intel® Core™ i7
Processor modelDiffers	N3160	i7-7700HQ
Processor cores	4	4
Processor threadsDiffers	4	8
Processor boost frequencyDiffers	2.24 GHz	3.8 GHz
Processor frequencyDiffers	1.6 GHz	2.8 GHz
System bus rateKnown for one	Unknown — not stated by the source	8 GT/s
Processor cacheDiffers	2 MB	6 MB
Processor cache typeDiffers	L2	Smart Cache
Processor lithography	14 nm	14 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Celeron N3000 series	Intel Core i7-7700 Mobile Series
Processor codenameDiffers	Braswell	Kaby Lake
Bus typeKnown for one	Unknown — not stated by the source	DMI3
Thermal Design Power (TDP)Differs	6 W	45 W
Configurable TDP-downKnown for one	Unknown — not stated by the source	35 W
TjunctionDiffers	90 °C	100 °C
Maximum number of PCI Express lanesDiffers	4	16
PCI Express configurationsDiffers	1x2+2x1, 1x4, 2x2, 4x1	1x16, 1x8, 2x4, 2x8
PCI Express slots versionDiffers	2.0	3.0
ECC supported by processor	No	No
Processor socketKnown for one	BGA 1170	Unknown — not stated by the source
SteppingKnown for one	D1	Unknown — not stated by the source
Scenario Design Power (SDP)Known for one	4 W	Unknown — not stated by the source
Memory4 differ
Internal memoryDiffers	4 GB	8 GB
Internal memory typeDiffers	LPDDR3-SDRAM	DDR4-SDRAM
Memory clock speedDiffers	1600 MHz	2400 MHz
Memory form factorKnown for one	Unknown — not stated by the source	SO-DIMM
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 8 GB
Memory slotsKnown for one	Unknown — not stated by the source	4x SO-DIMM
Maximum internal memoryDiffers	4 GB	64 GB
Maximum internal memory (64-bit)Known for one	Unknown — not stated by the source	64 GB
Storage3 differ
Total storage capacityDiffers	16 GB	256 GB
Storage mediaDiffers	eMMC	SSD
Number of SSDs installedKnown for one	Unknown — not stated by the source	1
SSD capacityKnown for one	Unknown — not stated by the source	256 GB
NVMeKnown for one	Unknown — not stated by the source	Yes
SSD interfaceKnown for one	Unknown — not stated by the source	NVMe 3.0, PCI Express
SSD form factorKnown for one	Unknown — not stated by the source	M.2
Optical drive type	No	No
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	MMC, SD	MMC, SD, SDHC, SDXC
Flash memoryKnown for one	16 GB	Unknown — not stated by the source
Flash drive interfaceKnown for one	Flash	Unknown — not stated by the source
Graphics5 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	No	Yes
Discrete graphics card modelDiffers	Not available	NVIDIA® Quadro® M1200
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	4 GB
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 400	Intel® HD Graphics 630
Maximum on-board graphics card memoryDiffers	8 GB	64 GB
On-board graphics card base frequencyDiffers	320 MHz	350 MHz
On-board graphics card dynamic frequency (max)Known for one	Unknown — not stated by the source	1100 MHz
On-board graphics card DirectX version	12.0	12.0
On-board graphics card OpenGL versionKnown for one	Unknown — not stated by the source	4.4
On-board graphics card IDKnown for one	Unknown — not stated by the source	0x591B
Number of execution unitsKnown for one	12	Unknown — not stated by the source
On-board graphics card burst frequencyKnown for one	640 MHz	Unknown — not stated by the source
Audioidentical
Audio chipKnown for one	Unknown — not stated by the source	Realtek ALC3268
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	1280 x 720 pixels	1280 x 720 pixels
Front camera signal format	720p	720p
Front camera resolution (numeric)Known for one	1 MP	Unknown — not stated by the source
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	No
Network1 differ
Wi-Fi	Yes	Yes
Top Wi-Fi standardKnown for one	Unknown — not stated by the source	Wi-Fi 5 (802.11ac)
Wi-Fi standardsKnown for one	Unknown — not stated by the source	802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANDiffers	No	Yes
Ethernet LAN data ratesKnown for one	Unknown — not stated by the source	10,100,1000 Mbit/s
Bluetooth	Yes	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	4.1
Integrated 4G WiMAXKnown for one	No	Unknown — not stated by the source
Ports & interfaces2 differ
USB 2.0 ports quantity	0	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityKnown for one	Unknown — not stated by the source	1
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) portsDiffers	0	1
HDMI ports quantity	1	1
HDMI versionKnown for one	Unknown — not stated by the source	1.4b
DisplayPorts quantity	0	0
Mini DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
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
Thunderbolt ports quantity	0	0
Thunderbolt 3 ports quantityKnown for one	Unknown — not stated by the source	0
Headphone outputs	0	0
Combo headphone/mic port	Yes	Yes
Microphone in	No	No
Docking connectorKnown for one	Unknown — not stated by the source	Yes
ExpressCard slotKnown for one	Unknown — not stated by the source	Yes
SmartCard slotKnown for one	Unknown — not stated by the source	Yes
USB Sleep-and-ChargeKnown for one	Unknown — not stated by the source	Yes
USB Sleep-and-Charge portsKnown for one	Unknown — not stated by the source	1
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® CM238
Keyboard2 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Numeric keypadDiffers	No	Yes
Spill-resistant keyboardKnown for one	Unknown — not stated by the source	Yes
Full-size keyboardKnown for one	Unknown — not stated by the source	Yes
Windows keys	Yes	Yes
Software1 differ
Operating system installedDiffers	ChromeOS	Windows 10 Pro
Operating system architecture	64-bit	64-bit
Processor special features11 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
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	14 nm
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	Yes	Yes
Intel Enhanced Halt State	Yes	Yes
Intel Flex Memory AccessKnown for one	Unknown — not stated by the source	Yes
Intel Identity Protection Technology version	1.00	1.00
Intel Secure Key Technology version	1.00	1.00
Intel Small Business Advantage (SBA) versionDiffers	0.00	1.00
Intel Smart Response Technology versionDiffers	0.00	1.00
Intel Software Guard Extensions (Intel SGX)Known for one	Unknown — not stated by the source	Yes
Intel Stable Image Platform Program (SIPP)	No	No
Intel Stable Image Platform Program (SIPP) version	0.00	0.00
Intel TSX-NIKnown for one	Unknown — not stated by the source	No
Intel TSX-NI versionKnown for one	Unknown — not stated by the source	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)Differs	No	Yes
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	Yes	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® Identity Protection Technology (Intel® IPT)	Yes	Yes
Intel® InTru™ 3D TechnologyDiffers	No	Yes
Intel® My WiFi Technology (Intel® MWT)Known for one	Unknown — not stated by the source	Yes
Intel® OS GuardDiffers	No	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel® Smart Response TechnologyDiffers	No	Yes
Intel® Turbo Boost TechnologyDiffers	No	2.0
Processor ARK IDDiffers	91831	97185
Processor package sizeDiffers	25 x 27 mm	42 x 28 mm
Supported instruction setsKnown for one	Unknown — not stated by the source	AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Intel Rapid Storage TechnologyKnown for one	No	Unknown — not stated by the source
Intel Secure BootKnown for one	Yes	Unknown — not stated by the source
Intel Secure Boot Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel Smart Connect TechnologyKnown for one	No	Unknown — not stated by the source
Intel Smart Connect Technology versionKnown for one	0.00	Unknown — not stated by the source
Intel® Anti-Theft Technology (Intel® AT)Known for one	No	Unknown — not stated by the source
Intel® High Definition Audio (Intel® HD Audio)Known for one	Yes	Unknown — not stated by the source
Intel® Insider™Known for one	No	Unknown — not stated by the source
Intel® Small Business Advantage (Intel® SBA)Known for one	No	Unknown — not stated by the source
Processor codeKnown for one	SR2KP	Unknown — not stated by the source
UARTKnown for one	Yes	Unknown — not stated by the source
Battery3 differ
Battery technologyDiffers	Lithium-Ion (Li-Ion)	Lithium Polymer (LiPo)
Number of battery cellsDiffers	3	6
Battery capacityDiffers	45 Wh	90 Wh
Battery life (max)Known for one	Unknown — not stated by the source	6.1 h
Power1 differ
AC adapter powerDiffers	45 W	170 W
AC adapter frequency	50 - 60 Hz	50 - 60 Hz
AC adapter input voltage	100 - 240 V	100 - 240 V
DC-in jack	Yes	Yes
Securityidentical
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
Trusted Platform Module (TPM)Known for one	Unknown — not stated by the source	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
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	ENERGY STAR
Weight & dimensions3 differ
WeightDiffers	1.5 kg	2.67 kg
WidthDiffers	331.5 mm	377.4 mm
DepthDiffers	232.1 mm	252.3 mm
Height (front)Known for one	Unknown — not stated by the source	2.45 cm
Height (rear)Known for one	Unknown — not stated by the source	2.94 cm
HeightKnown for one	22.8 mm	Unknown — not stated by the source
Packaging contentidentical
AC adapter included	Yes	Yes
Manual	Yes	Yes
Power cord included	Yes	Yes
Quick start guideKnown for one	Unknown — not stated by the source	Yes

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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