Product comparison · 2 laptops

Dell Inspiron 5566 Intel® Core™ i3 i3-7100U Laptop vs Lenovo Legion Y520 Intel® Core™ i7 i7-7700HQ Laptop

146specifications compared
46differ
100identical
63known for one product only

Key differences

Display resolution
- Inspiron 5566 Intel® Core™ i3 i3-7100U Laptop:1366 x 768 pixels
- Legion Y520 Intel® Core™ i7 i7-7700HQ Laptop:1920 x 1080 pixels
HD type
- Inspiron 5566 Intel® Core™ i3 i3-7100U Laptop:HD
- Legion Y520 Intel® Core™ i7 i7-7700HQ Laptop:Full HD
Processor family
- Inspiron 5566 Intel® Core™ i3 i3-7100U Laptop:Intel® Core™ i3
- Legion Y520 Intel® Core™ i7 i7-7700HQ Laptop:Intel® Core™ i7
Processor generation
- Inspiron 5566 Intel® Core™ i3 i3-7100U Laptop:7th gen Intel® Core™ i3
- Legion Y520 Intel® Core™ i7 i7-7700HQ Laptop:7th gen Intel® Core™ i7
Processor model
- Inspiron 5566 Intel® Core™ i3 i3-7100U Laptop:i3-7100U
- Legion Y520 Intel® Core™ i7 i7-7700HQ Laptop:i7-7700HQ
Processor cores
- Inspiron 5566 Intel® Core™ i3 i3-7100U Laptop:2
- Legion Y520 Intel® Core™ i7 i7-7700HQ Laptop:4
Processor threads
- Inspiron 5566 Intel® Core™ i3 i3-7100U Laptop:4
- Legion Y520 Intel® Core™ i7 i7-7700HQ Laptop:8
Processor frequency
- Inspiron 5566 Intel® Core™ i3 i3-7100U Laptop:2.4 GHz
- Legion Y520 Intel® Core™ i7 i7-7700HQ Laptop:2.8 GHz

Side by side

Differences highlightedShow differences only

Comparison of 5566, Y520
209 specifications	A Dell Inspiron 5566 Intel® Core™ i3 i3-7100U Laptop Model 5566 View product	B Lenovo Legion Y520 Intel® Core™ i7 i7-7700HQ Laptop Model Y520 View product
Designidentical
Product type	Laptop	Laptop
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Housing materialKnown for one	Unknown — not stated by the source	Acrylonitrile butadiene styrene (ABS)
Market positioningKnown for one	Unknown — not stated by the source	Gaming
Display2 differ
Display diagonal	39.6 cm (15.6")	39.6 cm (15.6")
Display resolutionDiffers	1366 x 768 pixels	1920 x 1080 pixels
Touchscreen	No	No
HD typeDiffers	HD	Full HD
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Pixel pitchKnown for one	0.252 x 0.252 mm	Unknown — not stated by the source
Dual-screenKnown for one	No	Unknown — not stated by the source
Panel typeKnown for one	Unknown — not stated by the source	IPS
Display surfaceKnown for one	Unknown — not stated by the source	Matt
Screen shapeKnown for one	Unknown — not stated by the source	Flat
Display brightnessKnown for one	Unknown — not stated by the source	250 cd/m²
Processor13 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i3	Intel® Core™ i7
Processor generationDiffers	7th gen Intel® Core™ i3	7th gen Intel® Core™ i7
Processor modelDiffers	i3-7100U	i7-7700HQ
Processor coresDiffers	2	4
Processor threadsDiffers	4	8
Processor frequencyDiffers	2.4 GHz	2.8 GHz
System bus rateDiffers	4 GT/s	8 GT/s
Processor cacheDiffers	3 MB	6 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketKnown for one	BGA 1356	Unknown — not stated by the source
Processor lithography	14 nm	14 nm
Processor operating modes	64-bit	64-bit
Processor codename	Kaby Lake	Kaby Lake
Bus typeDiffers	OPI	DMI3
SteppingKnown for one	H0	Unknown — not stated by the source
Thermal Design Power (TDP)Differs	15 W	45 W
Configurable TDP-downDiffers	7.5 W	35 W
Configurable TDP-down frequencyKnown for one	0.8 GHz	Unknown — not stated by the source
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanesDiffers	12	16
PCI Express configurationsDiffers	1x2+2x1, 1x4, 2x2, 4x1	1x16, 1x8, 2x4, 2x8
PCI Express slots version	3.0	3.0
ECC supported by processor	No	No
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.8 GHz
Processor seriesKnown for one	Unknown — not stated by the source	Intel Core i7-7700 Mobile Series
Memory2 differ
Internal memory	8 GB	8 GB
Internal memory type	DDR4-SDRAM	DDR4-SDRAM
Memory form factor	SO-DIMM	SO-DIMM
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memoryDiffers	16 GB	32 GB
Maximum internal memory (64-bit)Differs	16 GB	32 GB
Memory clock speedKnown for one	Unknown — not stated by the source	2400 MHz
Storage2 differ
Total storage capacity	1 TB	1 TB
Storage media	HDD	HDD
Number of HDDs installed	1	1
HDD capacity	1 TB	1 TB
HDD interface	SATA III	SATA III
HDD size	2.5"	2.5"
Optical drive typeDiffers	DVD±RW	No
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	SD	MMC, SD, SDHC, SDXC
Graphics7 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	No	Yes
Discrete graphics card modelDiffers	Not available	NVIDIA® GeForce® GTX 1050 Ti
On-board graphics card modelDiffers	Intel® HD Graphics 620	Intel® HD 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	1000 MHz	1100 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	0x5916	0x591B
On-board graphics card familyKnown for one	Unknown — not stated by the source	Intel® HD Graphics
Audio2 differ
Audio chipKnown for one	Realtek ALC3246	Unknown — not stated by the source
Audio systemDiffers	MaxxAudio	Dolby Audio
Number of built-in speakers	2	2
Speakers manufacturerDiffers	Waves	Harman Kardon
Speaker power	2 W	2 W
Built-in microphone	Yes	Yes
Audio decodersKnown for one	Unknown — not stated by the source	Dolby Audio Premium
Camera1 differ
Front camera	Yes	Yes
Front camera resolution (numeric)Differs	0.92 MP	1 MP
Front camera resolutionKnown for one	1280 x 720 pixels	Unknown — not stated by the source
Front camera signal format	720p	720p
Video capturing speedKnown for one	30 fps	Unknown — not stated by the source
Network1 differ
Wi-Fi	Yes	Yes
Ethernet LAN	Yes	Yes
Ethernet LAN data ratesDiffers	10,100 Mbit/s	10,100,1000 Mbit/s
Bluetooth	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)
Bluetooth versionKnown for one	Unknown — not stated by the source	4.1
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	2	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	1	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityDiffers	0	1
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 quantity	0	0
Micro-USB 2.0 ports quantityKnown for one	0	Unknown — not stated by the source
Micro-USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	0	Unknown — not stated by the source
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) ports	1	1
HDMI ports quantity	1	1
HDMI versionDiffers	1.4a	1.4
DisplayPorts quantity	0	0
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
Thunderbolt 2 ports quantityKnown for one	0	Unknown — not stated by the source
Thunderbolt 3 ports quantity	0	0
Headphone outputs	0	0
S/PDIF out portKnown for one	No	Unknown — not stated by the source
Combo headphone/mic port	Yes	Yes
Microphone in	No	No
Docking connectorKnown for one	No	Unknown — not stated by the source
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
Performance1 differ
Motherboard chipsetDiffers	Intel SoC	Intel® HM175
Keyboardidentical
Pointing device	Touchpad	Touchpad
Numeric keypad	Yes	Yes
Spill-resistant keyboardKnown for one	Yes	Unknown — not stated by the source
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Windows keys	Yes	Yes
Keyboard backlitKnown for one	Unknown — not stated by the source	Yes
Softwareidentical
Operating system installed	Windows 10 Home	Windows 10 Home
Operating system architecture	64-bit	64-bit
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Processor special features5 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 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 version	0.00	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™Known for one	Yes	Unknown — not stated by the source
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)Known for one	Yes	Unknown — not stated by the source
Intel® Smart Response Technology	Yes	Yes
Intel® Turbo Boost TechnologyDiffers	No	2.0
Processor ARK IDDiffers	95442	97185
Processor codeKnown for one	SR2ZW	Unknown — not stated by the source
Processor package sizeDiffers	42 x 24 mm	42 x 28 mm
Supported instruction setsDiffers	AVX 2.0, SSE4.2	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	Unknown — not stated by the source	1.00
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Battery2 differ
Battery technologyDiffers	Lithium-Ion (Li-Ion)	Lithium Polymer (LiPo)
Number of battery cellsDiffers	4	3
Battery capacityKnown for one	40 Wh	Unknown — not stated by the source
Battery voltageKnown for one	14.8 V	Unknown — not stated by the source
Battery life (max)Known for one	Unknown — not stated by the source	4 h
Power1 differ
AC adapter powerDiffers	45 W	135 W
AC adapter frequency	50 - 60 Hz	50 - 60 Hz
AC adapter input voltage	100 - 240 V	100 - 240 V
AC adapter output currentKnown for one	2.31 A	Unknown — not stated by the source
AC adapter output voltageKnown for one	19.5 V	Unknown — not stated by the source
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Password protection	Yes	Yes
Fingerprint readerKnown for one	Unknown — not stated by the source	No
Trusted Platform Module (TPM)Known for one	Unknown — not stated by the source	No
Password protection typeKnown for one	Unknown — not stated by the source	HDD, Power on, Supervisor
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 35 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 65 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	10 - 90%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	0 - 95%	Unknown — not stated by the source
Operating altitudeKnown for one	-15.2 - 3048 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	-15 - 10668 m	Unknown — not stated by the source
Operating shockKnown for one	110 G	Unknown — not stated by the source
Non-operating shockKnown for one	160 G	Unknown — not stated by the source
Operating vibrationKnown for one	0.66 G	Unknown — not stated by the source
Non-operating vibrationKnown for one	1.3 G	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificates	EPEAT Silver, ENERGY STAR	EPEAT Silver, ENERGY STAR
Weight & dimensions3 differ
WeightDiffers	2.36 kg	2.4 kg
Width	380 mm	380 mm
DepthDiffers	260.4 mm	265 mm
HeightDiffers	23.8 mm	25.8 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Manual	Yes	Yes
Power cord included	Yes	Yes
Quick start guideKnown for one	Yes	Unknown — not stated by the source
Warranty cardKnown for one	Yes	Unknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS

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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