Product comparison · 2 laptops

Lenovo E31-80 + Optical Mouse + Backpack vs Lenovo ThinkPad P51s

146specifications compared
46differ
100identical
41known for one product only

Key differences

Product type
- E31-80 + Optical Mouse + Backpack:Laptop
- ThinkPad P51s:Mobile workstation
Display diagonal
- E31-80 + Optical Mouse + Backpack:33.8 cm (13.3")
- ThinkPad P51s:39.6 cm (15.6")
Display resolution
- E31-80 + Optical Mouse + Backpack:1366 x 768 pixels
- ThinkPad P51s:1920 x 1080 pixels
HD type
- E31-80 + Optical Mouse + Backpack:HD
- ThinkPad P51s:Full HD
Processor family
- E31-80 + Optical Mouse + Backpack:Intel® Core™ i5
- ThinkPad P51s:Intel® Core™ i7
Processor generation
- E31-80 + Optical Mouse + Backpack:6th gen Intel® Core™ i5
- ThinkPad P51s:7th gen Intel® Core™ i7
Processor model
- E31-80 + Optical Mouse + Backpack:i5-6200U
- ThinkPad P51s:i7-7500U
Processor boost frequency
- E31-80 + Optical Mouse + Backpack:2.8 GHz
- ThinkPad P51s:3.5 GHz

Side by side

Differences highlightedShow differences only

Comparison of E31-80 + Optical Mouse + Backpack, ThinkPad P51s
187 specifications	A Lenovo E31-80 + Optical Mouse + Backpack View product	B Lenovo ThinkPad P51s View product
Design1 differ
Product typeDiffers	Laptop	Mobile workstation
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Housing materialKnown for one	Unknown — not stated by the source	Glass fibre, Plastic
Market positioningKnown for one	Unknown — not stated by the source	High performance
Display3 differ
Display diagonalDiffers	33.8 cm (13.3")	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
Screen shape	Flat	Flat
Display brightnessKnown for one	Unknown — not stated by the source	250 cd/m²
Contrast ratio (typical)Known for one	Unknown — not stated by the source	700:1
Processor12 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i5	Intel® Core™ i7
Processor generationDiffers	6th gen Intel® Core™ i5	7th gen Intel® Core™ i7
Processor modelDiffers	i5-6200U	i7-7500U
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyDiffers	2.8 GHz	3.5 GHz
Processor frequencyDiffers	2.3 GHz	2.7 GHz
System bus rate	4 GT/s	4 GT/s
Processor cacheDiffers	3 MB	4 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketDiffers	LGA 1356 (Socket B2)	BGA 1356
Processor lithography	14 nm	14 nm
Processor operating modes	64-bit	64-bit
Processor codenameDiffers	Skylake	Kaby Lake
Bus typeDiffers	QPI	OPI
SteppingDiffers	D1	H0
Thermal Design Power (TDP)	15 W	15 W
Configurable TDP-up frequencyDiffers	2.4 GHz	2.9 GHz
Configurable TDP-up	25 W	25 W
Configurable TDP-down	7.5 W	7.5 W
Configurable TDP-down frequency	0.8 GHz	0.8 GHz
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanes	12	12
PCI Express configurationsDiffers	1x4, 4x1	1x2+2x1, 1x4, 2x2, 4x1
PCI Express slots version	3.0	3.0
ECC supported by processor	No	No
Processor seriesKnown for one	Intel Core i5-6200 series	Unknown — not stated by the source
Memory5 differ
Internal memoryDiffers	4 GB	8 GB
Internal memory typeDiffers	DDR3L-SDRAM	DDR4-SDRAM
Memory clock speedDiffers	1600 MHz	2133 MHz
Memory form factor	SO-DIMM	SO-DIMM
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 8 GB
Memory slotsDiffers	1x SO-DIMM	2x SO-DIMM
Maximum internal memoryDiffers	8 GB	32 GB
Maximum internal memory (64-bit)Known for one	Unknown — not stated by the source	32 GB
Storage2 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 interface	SATA III	SATA III
HDD speed	5400 RPM	5400 RPM
HDD size	2.5"	2.5"
Optical drive type	No	No
Card reader integrated	Yes	Yes
Compatible memory cards	MMC, SD, SDHC, SDXC	MMC, SD, SDHC, SDXC
Graphics6 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	No	Yes
Discrete graphics card modelDiffers	Not available	NVIDIA® Quadro® M520M
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	2 GB
Discrete graphics memory typeKnown for one	Unknown — not stated by the source	GDDR5
On-board graphics card familyKnown for one	Unknown — not stated by the source	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 520	Intel® HD Graphics 620
Maximum on-board graphics card memoryDiffers	1.74 GB	32 GB
On-board graphics card base frequency	300 MHz	300 MHz
On-board graphics card dynamic frequency (max)Differs	1000 MHz	1050 MHz
On-board graphics card DirectX version	12.0	12.0
On-board graphics card OpenGL version	4.4	4.4
On-board graphics card IDDiffers	1916	0x5916
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 signal formatKnown for one	720p	Unknown — not stated by the source
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	No
Network2 differ
Wi-Fi	Yes	Yes
Wi-Fi standardsDiffers	802.11a, 802.11g, Wi-Fi 5 (802.11ac), 802.11b, Wi-Fi 4 (802.11n)	802.11a, Wi-Fi 5 (802.11ac), 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 versionDiffers	4.0	4.1
Ports & interfaces4 differ
USB 2.0 ports quantity	0	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity	0	0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity	0	0
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityDiffers	0	1
Ethernet LAN (RJ-45) ports	1	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 port	No	No
VGA (D-Sub) ports quantityDiffers	1	0
Thunderbolt ports quantity	0	0
Thunderbolt 3 ports quantity	0	0
Headphone outputs	0	0
Combo headphone/mic port	Yes	Yes
Microphone in	No	No
Docking connectorDiffers	No	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
CardBus PCMCIA slots quantityKnown for one	0	Unknown — not stated by the source
CardBus PCMCIA slot typeKnown for one	No	Unknown — not stated by the source
SmartCard slotKnown for one	No	Unknown — not stated by the source
Keyboard2 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Keyboard backlitKnown for one	Unknown — not stated by the source	Yes
Numeric keypadDiffers	No	Yes
Spill-resistant keyboardKnown for one	Unknown — not stated by the source	Yes
Windows keys	Yes	Yes
Software1 differ
Operating system installedDiffers	Windows 10 Home	Windows 10 Pro
Operating system architecture	64-bit	64-bit
Processor special features4 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
Graphics & IMC lithography	14 nm	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 Access	Yes	Yes
Intel Identity Protection Technology version	1.00	1.00
Intel Secure Key Technology version	1.00	1.00
Intel Smart Response Technology version	1.00	1.00
Intel Software Guard Extensions (Intel SGX)	Yes	Yes
Intel Stable Image Platform Program (SIPP)	No	No
Intel Stable Image Platform Program (SIPP) version	0.00	0.00
Intel TSX-NI	No	No
Intel TSX-NI versionDiffers	1.00	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)	Yes	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)	Yes	Yes
Intel® Identity Protection Technology (Intel® IPT)	Yes	Yes
Intel® InTru™ 3D Technology	Yes	Yes
Intel® Insider™	Yes	Yes
Intel® My WiFi Technology (Intel® MWT)	Yes	Yes
Intel® OS Guard	Yes	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® Small Business Advantage (Intel® SBA)	Yes	Yes
Intel® Smart Response Technology	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK IDDiffers	88193	95451
Processor codeDiffers	SR2EY	SR2ZV
Processor package size	42 X 24 mm	42 x 24 mm
Supported instruction setsDiffers	SSE4.1, SSE4.2, AVX 2.0	AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Intel Small Business Advantage (SBA) versionKnown for one	1.00	Unknown — not stated by the source
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Battery1 differ
Battery technologyKnown for one	Unknown — not stated by the source	Lithium Polymer (LiPo)
Number of battery cellsKnown for one	Unknown — not stated by the source	3+4
Battery life (max)Differs	5 h	13.8 h
Poweridentical
AC adapter powerKnown for one	Unknown — not stated by the source	65 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
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	EPEAT Gold, ENERGY STAR
Weight & dimensions3 differ
WeightDiffers	1.59 kg	1.99 kg
WidthDiffers	323 mm	365.8 mm
DepthDiffers	230 mm	252.8 mm
Height (front)Known for one	Unknown — not stated by the source	2 cm
Height (rear)Known for one	Unknown — not stated by the source	2.02 cm
HeightKnown for one	21.5 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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