Product comparison · 2 laptops

Lenovo ideapad 520S (14") vs Lenovo ideapad 720S (15")

157specifications compared
24differ
133identical
21known for one product only

Key differences

Display diagonal
- ideapad 520S (14"):35.6 cm (14")
- ideapad 720S (15"):39.6 cm (15.6")
Display brightness
- ideapad 520S (14"):220 cd/m²
- ideapad 720S (15"):300 cd/m²
Internal memory
- ideapad 520S (14"):8 GB
- ideapad 720S (15"):16 GB
Maximum internal memory
- ideapad 520S (14"):8 GB
- ideapad 720S (15"):32 GB
Maximum internal memory (64-bit)
- ideapad 520S (14"):8 GB
- ideapad 720S (15"):32 GB
Total storage capacity
- ideapad 520S (14"):256 GB
- ideapad 720S (15"):512 GB
SSD capacity
- ideapad 520S (14"):256 GB
- ideapad 720S (15"):512 GB
Discrete graphics card model
- ideapad 520S (14"):NVIDIA® GeForce® 940MX
- ideapad 720S (15"):NVIDIA® GeForce® GTX 1050 Ti

Side by side

Differences highlightedShow differences only

Comparison of ideapad 520S (14"), ideapad 720S (15")
178 specifications	A Lenovo ideapad 520S (14")View product	B Lenovo ideapad 720S (15")View product
Design1 differ
Product type	Laptop	Laptop
Product colour	Grey	Grey
Colour nameKnown for one	Mineral Grey	Unknown — not stated by the source
Form factor	Clamshell	Clamshell
Housing materialDiffers	Acrylonitrile butadiene styrene (ABS), Aluminium, Polycarbonate (PC)	Aluminium
Display2 differ
Display diagonalDiffers	35.6 cm (14")	39.6 cm (15.6")
Display resolution	1920 x 1080 pixels	1920 x 1080 pixels
TouchscreenKnown for one	No	Unknown — not stated by the source
HD type	Full HD	Full HD
Panel type	IPS	IPS
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display surface	Matt	Matt
Screen shape	Flat	Flat
Display brightnessDiffers	220 cd/m²	300 cd/m²
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i7	Intel® Core™ i7
Processor generation	7th gen Intel® Core™ i7	7th gen Intel® Core™ i7
Processor model	i7-7700HQ	i7-7700HQ
Processor cores	4	4
Processor threads	8	8
Processor boost frequency	3.8 GHz	3.8 GHz
Processor frequency	2.8 GHz	2.8 GHz
System bus rate	8 GT/s	8 GT/s
Processor cache	6 MB	6 MB
Processor cache type	Smart Cache	Smart Cache
Processor socket	BGA 1440	BGA 1440
Processor lithography	14 nm	14 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Core i7-7700 Mobile Series	Intel Core i7-7700 Mobile Series
Processor codename	Kaby Lake	Kaby Lake
Bus type	DMI3	DMI3
Thermal Design Power (TDP)	45 W	45 W
Configurable TDP-down	35 W	35 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurations	1x16, 1x8, 2x4, 2x8	1x16, 1x8, 2x4, 2x8
PCI Express slots version	3.0	3.0
ECC supported by processor	No	No
Memory3 differ
Internal memoryDiffers	8 GB	16 GB
Internal memory type	DDR4-SDRAM	DDR4-SDRAM
Memory clock speed	2133 MHz	2133 MHz
Memory form factor	SO-DIMM	SO-DIMM
Memory layout (slots x size)Known for one	1 x 8 GB	Unknown — not stated by the source
Memory slotsKnown for one	1x SO-DIMM	Unknown — not stated by the source
Maximum internal memoryDiffers	8 GB	32 GB
Maximum internal memory (64-bit)Differs	8 GB	32 GB
Storage2 differ
Total storage capacityDiffers	256 GB	512 GB
Storage media	SSD	SSD
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
Number of SSDs installed	1	1
SSD capacityDiffers	256 GB	512 GB
SSD interfaceKnown for one	SATA III	Unknown — not stated by the source
Optical drive type	No	No
Card reader integrated	Yes	Yes
Compatible memory cards	MMC, SD, SDHC, SDXC	MMC, SD, SDHC, SDXC
Graphics2 differ
On-board graphics card	Yes	Yes
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	NVIDIA® GeForce® 940MX	NVIDIA® GeForce® GTX 1050 Ti
Discrete graphics card memoryDiffers	2 GB	4 GB
Discrete graphics memory type	GDDR5	GDDR5
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card model	Intel® HD Graphics 630	Intel® HD Graphics 630
Maximum on-board graphics card memory	64 GB	64 GB
On-board graphics card base frequency	350 MHz	350 MHz
On-board graphics card dynamic frequency (max)	1100 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 ID	0x591B	0x591B
Audio2 differ
Audio systemDiffers	Dolby Audio	Dolby Audio Premium
Number of built-in speakers	2	2
Speakers manufacturerDiffers	Harman Kardon	JBL
Speaker power	2 W	2 W
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Front camera resolution (numeric)Known for one	Unknown — not stated by the source	1 MP
Front camera resolutionKnown for one	Unknown — not stated by the source	1280 x 720 pixels
Front camera signal formatKnown for one	Unknown — not stated by the source	720p
Optical driveidentical
LightScribeKnown for one	No	Unknown — not stated by the source
Networkidentical
Wi-Fi	Yes	Yes
Top Wi-Fi standard	Wi-Fi 5 (802.11ac)	Wi-Fi 5 (802.11ac)
Wi-Fi standards	802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LAN	No	No
Bluetooth	Yes	Yes
Bluetooth version	4.1	4.1
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	1	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	1	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity	1	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 quantityDiffers	0	1
Ethernet LAN (RJ-45) portsKnown for one	0	Unknown — not stated by the source
HDMI ports quantityDiffers	1	0
HDMI versionDiffers	1.4	1.4b
DisplayPorts quantity	0	0
DVI portKnown for one	No	Unknown — not stated by the source
VGA (D-Sub) ports quantity	0	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
USB Sleep-and-Charge	Yes	Yes
USB Sleep-and-Charge ports	1	1
Performanceidentical
Motherboard chipset	Intel SoC	Intel SoC
Keyboard1 differ
Pointing device	Touchpad	Touchpad
Numeric keypadDiffers	No	Yes
Windows keys	Yes	Yes
Keyboard backlitKnown for one	Unknown — not stated by the source	Yes
Full-size keyboardKnown 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
Trial softwareKnown for one	Unknown — not stated by the source	McAfee LiveSafe
Processor special featuresidentical
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 Small Business Advantage (SBA) 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® 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® Smart Cache	Yes	Yes
Intel® Smart Response Technology	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK ID	97185	97185
Processor package size	42 x 28 mm	42 x 28 mm
Supported instruction sets	AVX 2.0, SSE4.1, SSE4.2	AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Battery2 differ
Battery technology	Lithium Polymer (LiPo)	Lithium Polymer (LiPo)
Number of battery cellsDiffers	3	4
Battery capacityDiffers	52.5 Wh	79 Wh
Battery life (max)Known for one	12 h	Unknown — not stated by the source
Power1 differ
AC adapter powerDiffers	65 W	90 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
Security1 differ
Cable lock slot	Yes	Yes
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Fingerprint readerKnown for one	Yes	Unknown — not stated by the source
Password protection	Yes	Yes
Password protection typeDiffers	HDD, Power on, Supervisor	Power on, Supervisor
Trusted Platform Module (TPM)Known for one	Unknown — not stated by the source	No
Certificatesidentical
Compliance certificates	RoHS	RoHS
Sustainabilityidentical
Sustainability certificates	EPEAT Silver, ENERGY STAR	EPEAT Silver, ENERGY STAR
Weight & dimensions3 differ
WeightKnown for one	1.7 kg	Unknown — not stated by the source
WidthDiffers	327.4 mm	358.8 mm
DepthDiffers	236.5 mm	243.5 mm
HeightDiffers	19.3 mm	17.9 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

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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