Product comparison · 2 laptops

Lenovo IdeaPad 520S Intel® Core™ i7 i7-7500U Laptop vs Lenovo E570 + Warranty 3Y Onsite NBD

148specifications compared
26differ
122identical
42known for one product only

Key differences

Product colour
- IdeaPad 520S Intel® Core™ i7 i7-7500U Laptop:Grey
- E570 + Warranty 3Y Onsite NBD:Black, Silver
Display diagonal
- IdeaPad 520S Intel® Core™ i7 i7-7500U Laptop:35.6 cm (14")
- E570 + Warranty 3Y Onsite NBD:39.6 cm (15.6")
Memory slots
- IdeaPad 520S Intel® Core™ i7 i7-7500U Laptop:1x SO-DIMM
- E570 + Warranty 3Y Onsite NBD:2x SO-DIMM
Maximum internal memory
- IdeaPad 520S Intel® Core™ i7 i7-7500U Laptop:8 GB
- E570 + Warranty 3Y Onsite NBD:32 GB
Total storage capacity
- IdeaPad 520S Intel® Core™ i7 i7-7500U Laptop:256 GB
- E570 + Warranty 3Y Onsite NBD:1 TB
Storage media
- IdeaPad 520S Intel® Core™ i7 i7-7500U Laptop:SSD
- E570 + Warranty 3Y Onsite NBD:HDD
Optical drive type
- IdeaPad 520S Intel® Core™ i7 i7-7500U Laptop:No
- E570 + Warranty 3Y Onsite NBD:DVD±RW
Speakers manufacturer
- IdeaPad 520S Intel® Core™ i7 i7-7500U Laptop:Harman Kardon
- E570 + Warranty 3Y Onsite NBD:Conexant

Side by side

Differences highlightedShow differences only

Comparison of 520S, E570 + Warranty 3Y Onsite NBD
190 specifications	A Lenovo IdeaPad 520S Intel® Core™ i7 i7-7500U Laptop Model 520S View product	B Lenovo E570 + Warranty 3Y Onsite NBD View product
Design1 differ
Product type	Laptop	Laptop
Product colourDiffers	Grey	Black, Silver
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	Business
Display1 differ
Display diagonalDiffers	35.6 cm (14")	39.6 cm (15.6")
Display resolution	1920 x 1080 pixels	1920 x 1080 pixels
Touchscreen	No	No
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 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	600:1
Dual-screenKnown for one	No	Unknown — not stated by the source
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	i7-7500U	i7-7500U
Processor cores	2	2
Processor threads	4	4
Processor boost frequency	3.5 GHz	3.5 GHz
Processor frequency	2.7 GHz	2.7 GHz
System bus rate	4 GT/s	4 GT/s
Processor cache	4 MB	4 MB
Processor cache type	Smart Cache	Smart Cache
Processor socket	BGA 1356	BGA 1356
Processor lithography	14 nm	14 nm
Processor operating modes	64-bit	64-bit
Processor codename	Kaby Lake	Kaby Lake
Bus type	OPI	OPI
Stepping	H0	H0
Thermal Design Power (TDP)	15 W	15 W
Configurable TDP-up frequency	2.9 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 configurations	1x2+2x1, 1x4, 2x2, 4x1	1x2+2x1, 1x4, 2x2, 4x1
PCI Express slots version	3.0	3.0
ECC supported by processor	No	No
Memory2 differ
Internal memory	8 GB	8 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	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
Storage3 differ
Total storage capacityDiffers	256 GB	1 TB
Storage mediaDiffers	SSD	HDD
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD capacityKnown for one	Unknown — not stated by the source	1 TB
HDD interfaceKnown for one	Unknown — not stated by the source	SATA III
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
Optical drive typeDiffers	No	DVD±RW
Card reader integrated	Yes	Yes
Compatible memory cardsKnown for one	Unknown — not stated by the source	MMC, SD, SDHC, SDXC
Number of SSDs installedKnown for one	1	Unknown — not stated by the source
SSD capacityKnown for one	256 GB	Unknown — not stated by the source
Graphicsidentical
On-board graphics card	Yes	Yes
Discrete graphics cardKnown for one	Unknown — not stated by the source	Yes
Discrete graphics card modelKnown for one	Unknown — not stated by the source	NVIDIA® GeForce® GTX 950M
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	2 GB
On-board graphics card familyKnown for one	Unknown — not stated by the source	Intel® HD Graphics
On-board graphics card model	Intel® HD Graphics 620	Intel® HD Graphics 620
Maximum on-board graphics card memory	32 GB	32 GB
On-board graphics card base frequency	300 MHz	300 MHz
On-board graphics card dynamic frequency (max)	1050 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 ID	0x5916	0x5916
Audio1 differ
Audio chipKnown for one	Unknown — not stated by the source	Conexant CX11852
Number of built-in speakers	2	2
Speakers manufacturerDiffers	Harman Kardon	Conexant
Speaker power	2 W	2 W
Built-in microphone	Yes	Yes
Audio systemKnown for one	Dolby Audio	Unknown — not stated by the source
Cameraidentical
Front camera	Yes	Yes
Front camera resolution (numeric)Known for one	Unknown — not stated by the source	1 MP
Front camera HD typeKnown for one	Unknown — not stated by the source	HD
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
LightScribe	No	No
Network1 differ
Wi-Fi	Yes	Yes
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 LANDiffers	No	Yes
Ethernet LAN data ratesKnown for one	Unknown — not stated by the source	10,100,1000 Mbit/s
Bluetooth	Yes	Yes
Bluetooth version	4.1	4.1
Top Wi-Fi standardKnown for one	Wi-Fi 5 (802.11ac)	Unknown — not stated by the source
Ports & interfaces4 differ
USB 2.0 ports quantity	1	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	1	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 quantity	0	0
Ethernet LAN (RJ-45) portsDiffers	0	1
HDMI ports quantity	1	1
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantityDiffers	0	1
Thunderbolt ports quantity	0	0
Thunderbolt 3 ports quantity	0	0
Headphone outputs	0	0
S/PDIF out portKnown for one	Unknown — not stated by the source	No
Combo headphone/mic port	Yes	Yes
Microphone in	No	No
Docking connectorKnown for one	Unknown — not stated by the source	No
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
Keyboard2 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Keyboard backlitKnown for one	Unknown — not stated by the source	No
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	Windows 10 Home	Windows 10 Pro
Operating system architecture	64-bit	64-bit
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 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™	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 ID	95451	95451
Processor code	SR2ZV	SR2ZV
Processor package size	42 x 24 mm	42 x 24 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
Battery4 differ
Battery technologyDiffers	Lithium Polymer (LiPo)	Lithium-Ion (Li-Ion)
Number of battery cellsDiffers	2	4
Battery capacityDiffers	30 Wh	41 Wh
Battery life (max)Differs	12 h	7 h
Power1 differ
AC adapter powerDiffers	45 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
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 protection	Yes	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 certificates	RoHS	RoHS
Sustainability1 differ
Sustainability certificatesDiffers	ENERGY STAR	EPEAT Gold, ENERGY STAR
Weight & dimensions4 differ
WeightDiffers	1.7 kg	2.3 kg
WidthDiffers	327.4 mm	379 mm
DepthDiffers	236.5 mm	261 mm
HeightDiffers	19.3 mm	25.4 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
Performanceidentical
Motherboard chipsetKnown for one	Intel SoC	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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