Product comparison · 2 laptops

Lenovo T570 + ThinkPad USB Dock vs Lenovo IdeaPad Legion Y Y920 Intel® Core™ i7 i7-7820HK Laptop

159specifications compared
56differ
103identical
38known for one product only

Key differences

Housing material
- T570 + ThinkPad USB Dock:Glass fibre
- IdeaPad Legion Y Y920 Intel® Core™ i7 i7-7820HK Laptop:Aluminium
Market positioning
- T570 + ThinkPad USB Dock:Business
- IdeaPad Legion Y Y920 Intel® Core™ i7 i7-7820HK Laptop:Gaming
Display diagonal
- T570 + ThinkPad USB Dock:39.6 cm (15.6")
- IdeaPad Legion Y Y920 Intel® Core™ i7 i7-7820HK Laptop:43.9 cm (17.3")
Display brightness
- T570 + ThinkPad USB Dock:250 cd/m²
- IdeaPad Legion Y Y920 Intel® Core™ i7 i7-7820HK Laptop:300 cd/m²
Processor family
- T570 + ThinkPad USB Dock:Intel® Core™ i5
- IdeaPad Legion Y Y920 Intel® Core™ i7 i7-7820HK Laptop:Intel® Core™ i7
Processor generation
- T570 + ThinkPad USB Dock:7th gen Intel® Core™ i5
- IdeaPad Legion Y Y920 Intel® Core™ i7 i7-7820HK Laptop:7th gen Intel® Core™ i7
Processor model
- T570 + ThinkPad USB Dock:i5-7200U
- IdeaPad Legion Y Y920 Intel® Core™ i7 i7-7820HK Laptop:i7-7820HK
Processor cores
- T570 + ThinkPad USB Dock:2
- IdeaPad Legion Y Y920 Intel® Core™ i7 i7-7820HK Laptop:4

Side by side

Differences highlightedShow differences only

Comparison of T570 + ThinkPad USB Dock, Y920
197 specifications	A Lenovo T570 + ThinkPad USB Dock View product	B Lenovo IdeaPad Legion Y Y920 Intel® Core™ i7 i7-7820HK Laptop Model Y920 View product
Design2 differ
Product type	Laptop	Laptop
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Housing materialDiffers	Glass fibre	Aluminium
Market positioningDiffers	Business	Gaming
Display2 differ
Display diagonalDiffers	39.6 cm (15.6")	43.9 cm (17.3")
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 surface	Matt	Matt
Screen shape	Flat	Flat
Display brightnessDiffers	250 cd/m²	300 cd/m²
Contrast ratio (typical)Known for one	700:1	Unknown — not stated by the source
Processor15 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i5	Intel® Core™ i7
Processor generationDiffers	7th gen Intel® Core™ i5	7th gen Intel® Core™ i7
Processor modelDiffers	i5-7200U	i7-7820HK
Processor coresDiffers	2	4
Processor threadsDiffers	4	8
Processor boost frequencyDiffers	3.1 GHz	3.9 GHz
Processor frequencyDiffers	2.5 GHz	2.9 GHz
System bus rateDiffers	4 GT/s	8 GT/s
Processor cacheDiffers	3 MB	8 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketDiffers	BGA 1356	BGA 1440
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-up frequencyKnown for one	2.7 GHz	Unknown — not stated by the source
Configurable TDP-upKnown for one	25 W	Unknown — not stated by the source
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 seriesKnown for one	Unknown — not stated by the source	Intel Core i7-7800 Mobile Series
Memory5 differ
Internal memoryDiffers	8 GB	32 GB
Internal memory type	DDR4-SDRAM	DDR4-SDRAM
Memory clock speedDiffers	2133 MHz	2400 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 slotsDiffers	2x SO-DIMM	4x SO-DIMM
Maximum internal memoryDiffers	32 GB	64 GB
Maximum internal memory (64-bit)Differs	32 GB	64 GB
Storage3 differ
Total storage capacityDiffers	256 GB	2.25 TB
Storage mediaDiffers	SSD	HDD+SSD
Number of SSDs installed	1	1
SSD capacity	256 GB	256 GB
SSD form factorKnown for one	M.2	Unknown — not stated by the source
Optical drive type	No	No
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	MMC, SD, SDHC, SDXC	MMC, MMC+, SD, SDHC, SDIO, SDXC
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD capacityKnown for one	Unknown — not stated by the source	2 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
Graphics6 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	No	Yes
Discrete graphics card modelKnown for one	Not available	Unknown — not stated by the source
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
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
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	8 GB
Audioidentical
Audio chipKnown for one	Realtek ALC3268	Unknown — not stated by the source
Number of built-in speakers	2	2
Speaker power	2 W	2 W
Built-in microphone	Yes	Yes
Speakers manufacturerKnown for one	Unknown — not stated by the source	JBL
Built-in subwooferKnown for one	Unknown — not stated by the source	Yes
Audio decodersKnown for one	Unknown — not stated by the source	Dolby Atmos
Cameraidentical
Front camera	Yes	Yes
Front camera resolution	1280 x 720 pixels	1280 x 720 pixels
Front camera signal format	720p	720p
Front camera resolution (numeric)Known for one	Unknown — not stated by the source	1 MP
Optical driveidentical
LightScribe	No	No
Networkidentical
Wi-Fi	Yes	Yes
Top Wi-Fi standardKnown for one	Wi-Fi 5 (802.11ac)	Unknown — not stated by the source
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	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Bluetooth	Yes	Yes
Bluetooth version	4.1	4.1
Ports & interfaces6 differ
USB 2.0 ports quantity	0	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	3	4
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 quantityDiffers	1	0
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	1	1
HDMI versionDiffers	1.4b	2.0a
DisplayPorts quantityDiffers	0	1
Mini DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
DVI port	No	No
VGA (D-Sub) ports quantity	0	0
Thunderbolt ports quantity	0	0
Thunderbolt 3 ports quantity	0	0
Combo headphone/mic port	Yes	Yes
Docking connectorDiffers	Yes	No
USB Sleep-and-Charge	Yes	Yes
USB Sleep-and-Charge ports	1	1
Headphone outputsKnown for one	Unknown — not stated by the source	0
Microphone inKnown for one	Unknown — not stated by the source	No
Performance1 differ
Motherboard chipsetDiffers	Intel SoC	Intel® CM238
Keyboard1 differ
Pointing deviceDiffers	ThinkPad UltraNav	Touchpad
Keyboard backlit	Yes	Yes
Numeric keypad	Yes	Yes
Spill-resistant keyboardKnown for one	Yes	Unknown — not stated by the source
Full-size keyboard	Yes	Yes
Windows keys	Yes	Yes
Software1 differ
Operating system installedDiffers	Windows 10 Pro	Windows 10 Home
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-NIDiffers	No	Yes
Intel TSX-NI versionDiffers	0.00	1.00
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 Technology	2.0	2.0
Processor ARK IDDiffers	95443	97464
Processor codeKnown for one	SR2ZU	Unknown — not stated by the source
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
Intel HD GraphicsKnown for one	Unknown — not stated by the source	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
Number of battery cellsDiffers	3+4	6
Battery life (max)Differs	13.8 h	3.5 h
Battery technologyKnown for one	Unknown — not stated by the source	Lithium Polymer (LiPo)
Battery capacityKnown for one	Unknown — not stated by the source	90 Wh
Power1 differ
AC adapter powerDiffers	45 W	230 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
Security3 differ
Cable lock slot	Yes	Yes
Fingerprint readerDiffers	Yes	No
Trusted Platform Module (TPM)Differs	Yes	No
Password protection	Yes	Yes
Password protection typeDiffers	HDD, Power on, Supervisor	HDD, Supervisor
Certificatesidentical
Compliance certificates	RoHS	RoHS
Sustainability1 differ
Sustainability certificatesDiffers	ENERGY STAR	EPEAT Silver, ENERGY STAR
Weight & dimensions3 differ
WeightDiffers	1.97 kg	4.3 kg
WidthDiffers	365.8 mm	425 mm
DepthDiffers	252.8 mm	315 mm
Height (front)Known for one	2 cm	Unknown — not stated by the source
Height (rear)Known for one	2.02 cm	Unknown — not stated by the source
HeightKnown for one	Unknown — not stated by the source	36 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
Bag includedKnown for one	Unknown — not stated by the source	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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