Product comparison · 2 laptops

Lenovo ideapad 720S (13") vs Lenovo ideapad 720S (15")

139specifications compared
41differ
98identical
39known for one product only

Key differences

Product colour
- ideapad 720S (13"):Champagne
- ideapad 720S (15"):Grey
Display diagonal
- ideapad 720S (13"):33.8 cm (13.3")
- ideapad 720S (15"):39.6 cm (15.6")
Processor generation
- ideapad 720S (13"):8th gen Intel® Core™ i7
- ideapad 720S (15"):7th gen Intel® Core™ i7
Processor model
- ideapad 720S (13"):i7-8550U
- ideapad 720S (15"):i7-7700HQ
Processor boost frequency
- ideapad 720S (13"):4 GHz
- ideapad 720S (15"):3.8 GHz
Processor frequency
- ideapad 720S (13"):1.8 GHz
- ideapad 720S (15"):2.8 GHz
System bus rate
- ideapad 720S (13"):4 GT/s
- ideapad 720S (15"):8 GT/s
Processor cache
- ideapad 720S (13"):8 MB
- ideapad 720S (15"):6 MB

Side by side

Differences highlightedShow differences only

Comparison of ideapad 720S (13"), ideapad 720S (15")
178 specifications	A Lenovo ideapad 720S (13")View product	B Lenovo ideapad 720S (15")View product
Design1 differ
Product type	Laptop	Laptop
Product colourDiffers	Champagne	Grey
Form factor	Clamshell	Clamshell
Housing material	Aluminium	Aluminium
Display1 differ
Display diagonalDiffers	33.8 cm (13.3")	39.6 cm (15.6")
Display resolution	1920 x 1080 pixels	1920 x 1080 pixels
HD type	Full HD	Full HD
Panel type	IPS	IPS
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display surfaceKnown for one	Unknown — not stated by the source	Matt
Screen shapeKnown for one	Unknown — not stated by the source	Flat
Display brightness	300 cd/m²	300 cd/m²
TouchscreenKnown for one	No	Unknown — not stated by the source
Processor13 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i7	Intel® Core™ i7
Processor generationDiffers	8th gen Intel® Core™ i7	7th gen Intel® Core™ i7
Processor modelDiffers	i7-8550U	i7-7700HQ
Processor cores	4	4
Processor threads	8	8
Processor boost frequencyDiffers	4 GHz	3.8 GHz
Processor frequencyDiffers	1.8 GHz	2.8 GHz
System bus rateDiffers	4 GT/s	8 GT/s
Processor cacheDiffers	8 MB	6 MB
Processor cache typeKnown for one	Unknown — not stated by the source	Smart Cache
Processor socketDiffers	BGA 1356	BGA 1440
Processor lithography	14 nm	14 nm
Processor operating modes	64-bit	64-bit
Processor seriesKnown for one	Unknown — not stated by the source	Intel Core i7-7700 Mobile Series
Processor codenameDiffers	Kaby Lake R	Kaby Lake
Bus typeDiffers	OPI	DMI3
Thermal Design Power (TDP)Differs	15 W	45 W
Configurable TDP-downDiffers	10 W	35 W
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
SteppingKnown for one	Y0	Unknown — not stated by the source
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-down frequencyKnown for one	0.8 GHz	Unknown — not stated by the source
Memory4 differ
Internal memoryDiffers	8 GB	16 GB
Internal memory type	DDR4-SDRAM	DDR4-SDRAM
Memory clock speedDiffers	2400 MHz	2133 MHz
Memory form factorDiffers	On-board	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
Storage1 differ
Total storage capacity	512 GB	512 GB
Storage media	SSD	SSD
Number of SSDs installed	1	1
SSD capacity	512 GB	512 GB
Optical drive type	No	No
Card reader integratedDiffers	No	Yes
Compatible memory cardsKnown for one	Unknown — not stated by the source	MMC, SD, SDHC, SDXC
SSD form factorKnown for one	M.2	Unknown — not stated by the source
Graphics8 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	No	Yes
Discrete graphics card modelDiffers	Not available	NVIDIA® GeForce® GTX 1050 Ti
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	4 GB
Discrete graphics memory typeKnown for one	Unknown — not stated by the source	GDDR5
On-board graphics card familyDiffers	Intel® UHD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® UHD 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	1150 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	0x5917	0x591B
Audio1 differ
Audio systemKnown for one	Unknown — not stated by the source	Dolby Audio Premium
Number of built-in speakers	2	2
Speakers manufacturer	JBL	JBL
Speaker powerDiffers	1 W	2 W
Built-in microphone	Yes	Yes
Built-in subwooferKnown for one	No	Unknown — not stated by the source
Audio decodersKnown for one	Dolby Atmos	Unknown — not stated by the source
Cameraidentical
Front camera	Yes	Yes
Front camera resolution (numeric)	1 MP	1 MP
Front camera resolutionKnown for one	Unknown — not stated by the source	1280 x 720 pixels
Front camera signal format	720p	720p
Auto focusKnown for one	No	Unknown — not stated by the source
Network1 differ
Wi-Fi	Yes	Yes
Top Wi-Fi standard	Wi-Fi 5 (802.11ac)	Wi-Fi 5 (802.11ac)
Wi-Fi standardsDiffers	Wi-Fi 5 (802.11ac)	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 & interfaces1 differ
USB 2.0 ports quantity	0	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	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 quantity	1	1
HDMI ports quantity	0	0
HDMI versionKnown for one	Unknown — not stated by the source	1.4b
DisplayPorts quantity	0	0
VGA (D-Sub) ports quantityKnown for one	Unknown — not stated by the source	0
Thunderbolt ports quantity	0	0
Thunderbolt 3 ports quantity	0	0
Headphone outputsKnown for one	Unknown — not stated by the source	0
Combo headphone/mic port	Yes	Yes
Microphone inKnown for one	Unknown — not stated by the source	No
USB Sleep-and-Charge	Yes	Yes
USB Sleep-and-Charge ports	1	1
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel SoC
Keyboard1 differ
Pointing device	Touchpad	Touchpad
Keyboard backlit	Yes	Yes
Numeric keypadDiffers	No	Yes
Full-size keyboardKnown for one	Unknown — not stated by the source	Yes
Windows keys	Yes	Yes
Softwareidentical
Operating system installed	Windows 10 Home	Windows 10 Home
Operating system architecture	64-bit	64-bit
Trial software	McAfee LiveSafe	McAfee LiveSafe
Processor special features2 differ
Intel® Wireless Display (Intel® WiDi)Known for one	Unknown — not stated by the source	Yes
CPU configuration (max)	1	1
Embedded options available	No	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 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) versionKnown for one	Unknown — not stated by the source	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)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
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 CacheKnown for one	Unknown — not stated by the source	Yes
Intel® Smart Response Technology	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK IDDiffers	122589	97185
Processor package sizeDiffers	42 x 24 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
Battery1 differ
Battery technology	Lithium Polymer (LiPo)	Lithium Polymer (LiPo)
Number of battery cells	4	4
Battery capacityDiffers	48 Wh	79 Wh
Battery life (max)Known for one	8 h	Unknown — not stated by the source
Power1 differ
AC adapter powerDiffers	45 W	90 W
AC adapter frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
AC adapter input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
DC-in jack	Yes	Yes
AC adapter output voltageKnown for one	20 V	Unknown — not stated by the source
Security1 differ
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Trusted Platform Module (TPM)	No	No
Password protection	Yes	Yes
Password protection typeDiffers	Power on	Power on, Supervisor
Fingerprint readerKnown for one	Yes	Unknown — not stated by the source
Certificatesidentical
Compliance certificates	RoHS	RoHS
Sustainability1 differ
Sustainability certificatesDiffers	ENERGY STAR	EPEAT Silver, ENERGY STAR
Weight & dimensions3 differ
WidthDiffers	305.9 mm	358.8 mm
DepthDiffers	213.8 mm	243.5 mm
HeightDiffers	13.6 mm	17.9 mm
WeightKnown for one	1.14 kg	Unknown — not stated by the source
Packaging contentidentical
AC adapter included	Yes	Yes
Manual	Yes	Yes
Power cord included	Yes	Yes
Other featuresidentical
3DKnown for one	No	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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