Product comparison · 2 laptops

Lenovo E570 + Warranty 3Y Onsite NBD vs Lenovo P51 + Dock Station

164specifications compared
55differ
109identical
36known for one product only

Key differences

Product type
- E570 + Warranty 3Y Onsite NBD:Laptop
- P51 + Dock Station:Mobile workstation
Product colour
- E570 + Warranty 3Y Onsite NBD:Black, Silver
- P51 + Dock Station:Black
Market positioning
- E570 + Warranty 3Y Onsite NBD:Business
- P51 + Dock Station:High performance
Contrast ratio (typical)
- E570 + Warranty 3Y Onsite NBD:600:1
- P51 + Dock Station:700:1
Processor model
- E570 + Warranty 3Y Onsite NBD:i7-7500U
- P51 + Dock Station:i7-7820HQ
Processor cores
- E570 + Warranty 3Y Onsite NBD:2
- P51 + Dock Station:4
Processor threads
- E570 + Warranty 3Y Onsite NBD:4
- P51 + Dock Station:8
Processor boost frequency
- E570 + Warranty 3Y Onsite NBD:3.5 GHz
- P51 + Dock Station:3.9 GHz

Side by side

Differences highlightedShow differences only

Comparison of E570 + Warranty 3Y Onsite NBD, P51 + Dock Station
200 specifications	A Lenovo E570 + Warranty 3Y Onsite NBD View product	B Lenovo P51 + Dock Station View product
Design4 differ
Product typeDiffers	Laptop	Mobile workstation
Product colourDiffers	Black, Silver	Black
Form factor	Clamshell	Clamshell
Housing materialDiffers	Acrylonitrile butadiene styrene (ABS)	Aluminium, Glass-reinforced plastic (GRP), Magnesium
Market positioningDiffers	Business	High performance
Display1 differ
Display diagonal	39.6 cm (15.6")	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 surface	Matt	Matt
Screen shape	Flat	Flat
Display brightness	250 cd/m²	250 cd/m²
Contrast ratio (typical)Differs	600:1	700:1
Processor11 differ
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 modelDiffers	i7-7500U	i7-7820HQ
Processor coresDiffers	2	4
Processor threadsDiffers	4	8
Processor boost frequencyDiffers	3.5 GHz	3.9 GHz
Processor frequencyDiffers	2.7 GHz	2.9 GHz
System bus rateKnown for one	4 GT/s	Unknown — not stated by the source
Processor cacheDiffers	4 MB	8 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-up frequencyKnown for one	2.9 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
Memory6 differ
Internal memoryDiffers	8 GB	16 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)Differs	1 x 8 GB	2 x 8 GB
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	1 TB	512 GB
Storage mediaDiffers	HDD	SSD
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD capacityKnown for one	1 TB	Unknown — not stated by the source
HDD interfaceKnown for one	SATA III	Unknown — not stated by the source
HDD speedKnown for one	5400 RPM	Unknown — not stated by the source
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Optical drive typeDiffers	DVD±RW	No
Card reader integrated	Yes	Yes
Compatible memory cards	MMC, SD, SDHC, SDXC	MMC, SD, SDHC, SDXC
Number of SSDs installedKnown for one	Unknown — not stated by the source	1
SSD capacityKnown for one	Unknown — not stated by the source	512 GB
SSD interfaceKnown for one	Unknown — not stated by the source	PCI Express
SSD form factorKnown for one	Unknown — not stated by the source	M.2
Graphics7 differ
On-board graphics card	Yes	Yes
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	NVIDIA® GeForce® GTX 950M	NVIDIA® Quadro® M2200M
Discrete graphics card memoryDiffers	2 GB	4 GB
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	1050 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
Audio1 differ
Audio chipDiffers	Conexant CX11852	Realtek ALC3268
Number of built-in speakers	2	2
Speakers manufacturerKnown for one	Conexant	Unknown — not stated by the source
Speaker power	2 W	2 W
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Front camera resolution (numeric)	1 MP	1 MP
Front camera HD typeKnown for one	HD	Unknown — not stated by the source
Front camera resolution	1280 x 720 pixels	1280 x 720 pixels
Front camera signal format	720p	720p
Optical driveidentical
LightScribe	No	No
Networkidentical
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 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 & interfaces5 differ
USB 2.0 ports quantityDiffers	1	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	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 quantity	0	0
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	1	1
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantityDiffers	1	0
Thunderbolt ports quantity	0	0
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 connectorDiffers	No	Yes
USB Sleep-and-Charge	Yes	Yes
USB Sleep-and-Charge ports	1	1
HDMI versionKnown for one	Unknown — not stated by the source	1.4b
Mini DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
ExpressCard slotKnown for one	Unknown — not stated by the source	Yes
SmartCard slotKnown for one	Unknown — not stated by the source	Yes
Keyboard1 differ
Pointing device	ThinkPad UltraNav	ThinkPad UltraNav
Keyboard backlitDiffers	No	Yes
Numeric keypad	Yes	Yes
Spill-resistant keyboard	Yes	Yes
Full-size keyboard	Yes	Yes
Windows keys	Yes	Yes
Softwareidentical
Operating system installed	Windows 10 Pro	Windows 10 Pro
Operating system architecture	64-bit	64-bit
Processor special features7 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)Differs	No	Yes
Intel Stable Image Platform Program (SIPP) versionDiffers	0.00	1.00
Intel TSX-NIDiffers	No	Yes
Intel TSX-NI versionDiffers	0.00	1.00
Intel Trusted Execution TechnologyDiffers	No	Yes
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	95451	97496
Processor codeKnown for one	SR2ZV	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
Battery4 differ
Battery technologyDiffers	Lithium-Ion (Li-Ion)	Lithium Polymer (LiPo)
Number of battery cellsDiffers	4	6
Battery capacityDiffers	41 Wh	90 Wh
Battery life (max)Differs	7 h	6.1 h
Power1 differ
AC adapter powerDiffers	90 W	170 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 slot	Yes	Yes
Fingerprint reader	Yes	Yes
Trusted Platform Module (TPM)	Yes	Yes
Password protection	Yes	Yes
Password protection type	HDD, Power on, Supervisor	HDD, Power on, Supervisor
Certificatesidentical
Compliance certificates	RoHS	RoHS
CertificationKnown for one	Unknown — not stated by the source	MIL-STD-810G
Sustainability1 differ
Sustainability certificatesDiffers	EPEAT Gold, ENERGY STAR	ENERGY STAR
Weight & dimensions3 differ
WeightDiffers	2.3 kg	2.67 kg
WidthDiffers	379 mm	377.4 mm
DepthDiffers	261 mm	252.3 mm
HeightKnown for one	25.4 mm	Unknown — not stated by the source
Height (front)Known for one	Unknown — not stated by the source	2.45 cm
Height (rear)Known for one	Unknown — not stated by the source	2.94 cm
Packaging contentidentical
AC adapter included	Yes	Yes
Manual	Yes	Yes
Power cord included	Yes	Yes
Docking station includedKnown for one	Unknown — not stated by the source	Yes
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® CM238

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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