Product comparison · 2 laptops

Lenovo P51 + Dock Station vs Lenovo T570 + ThinkPad USB Dock

167specifications compared
50differ
117identical
26known for one product only

Key differences

Product type
- P51 + Dock Station:Mobile workstation
- T570 + ThinkPad USB Dock:Laptop
Market positioning
- P51 + Dock Station:High performance
- T570 + ThinkPad USB Dock:Business
Processor family
- P51 + Dock Station:Intel® Core™ i7
- T570 + ThinkPad USB Dock:Intel® Core™ i5
Processor generation
- P51 + Dock Station:7th gen Intel® Core™ i7
- T570 + ThinkPad USB Dock:7th gen Intel® Core™ i5
Processor model
- P51 + Dock Station:i7-7820HQ
- T570 + ThinkPad USB Dock:i5-7200U
Processor cores
- P51 + Dock Station:4
- T570 + ThinkPad USB Dock:2
Processor threads
- P51 + Dock Station:8
- T570 + ThinkPad USB Dock:4
Processor boost frequency
- P51 + Dock Station:3.9 GHz
- T570 + ThinkPad USB Dock:3.1 GHz

Side by side

Differences highlightedShow differences only

Comparison of P51 + Dock Station, T570 + ThinkPad USB Dock
193 specifications	A Lenovo P51 + Dock Station View product	B Lenovo T570 + ThinkPad USB Dock View product
Design3 differ
Product typeDiffers	Mobile workstation	Laptop
Housing materialDiffers	Aluminium, Glass-reinforced plastic (GRP), Magnesium	Glass fibre
Market positioningDiffers	High performance	Business
Processor13 differ
Processor familyDiffers	Intel® Core™ i7	Intel® Core™ i5
Processor generationDiffers	7th gen Intel® Core™ i7	7th gen Intel® Core™ i5
Processor modelDiffers	i7-7820HQ	i5-7200U
Processor coresDiffers	4	2
Processor threadsDiffers	8	4
Processor boost frequencyDiffers	3.9 GHz	3.1 GHz
Processor frequencyDiffers	2.9 GHz	2.5 GHz
Processor cacheDiffers	8 MB	3 MB
Processor seriesKnown for one	Intel Core i7-7800 Mobile Series	Unknown — not stated by the source
Bus typeDiffers	DMI3	OPI
Thermal Design Power (TDP)Differs	45 W	15 W
Configurable TDP-downDiffers	35 W	7.5 W
Maximum number of PCI Express lanesDiffers	16	12
PCI Express configurationsDiffers	1x16, 1x8, 2x4, 2x8	1x2+2x1, 1x4, 2x2, 4x1
System bus rateKnown for one	Unknown — not stated by the source	4 GT/s
Processor socketKnown for one	Unknown — not stated by the source	BGA 1356
SteppingKnown for one	Unknown — not stated by the source	H0
Configurable TDP-up frequencyKnown for one	Unknown — not stated by the source	2.7 GHz
Configurable TDP-upKnown for one	Unknown — not stated by the source	25 W
Configurable TDP-down frequencyKnown for one	Unknown — not stated by the source	0.8 GHz
Memory6 differ
Internal memoryDiffers	16 GB	8 GB
Memory clock speedDiffers	2400 MHz	2133 MHz
Memory layout (slots x size)Differs	2 x 8 GB	1 x 8 GB
Memory slotsDiffers	4x SO-DIMM	2x SO-DIMM
Maximum internal memoryDiffers	64 GB	32 GB
Maximum internal memory (64-bit)Differs	64 GB	32 GB
Storage2 differ
Total storage capacityDiffers	512 GB	256 GB
SSD capacityDiffers	512 GB	256 GB
SSD interfaceKnown for one	PCI Express	Unknown — not stated by the source
Graphics7 differ
Discrete graphics cardDiffers	Yes	No
Discrete graphics card modelDiffers	NVIDIA® Quadro® M2200M	Not available
Discrete graphics card memoryKnown for one	4 GB	Unknown — not stated by the source
On-board graphics card modelDiffers	Intel® HD Graphics 630	Intel® HD Graphics 620
Maximum on-board graphics card memoryDiffers	64 GB	32 GB
On-board graphics card base frequencyDiffers	350 MHz	300 MHz
On-board graphics card dynamic frequency (max)Differs	1100 MHz	1000 MHz
On-board graphics card IDDiffers	0x591B	0x5916
Cameraidentical
Front camera resolution (numeric)Known for one	1 MP	Unknown — not stated by the source
Networkidentical
Top Wi-Fi standardKnown for one	Unknown — not stated by the source	Wi-Fi 5 (802.11ac)
Ports & interfaces3 differ
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	4	3
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-C ports quantityDiffers	0	1
Headphone outputsKnown for one	0	Unknown — not stated by the source
Microphone inKnown for one	No	Unknown — not stated by the source
ExpressCard slotKnown for one	Yes	Unknown — not stated by the source
SmartCard slotKnown for one	Yes	Unknown — not stated by the source
Performance1 differ
Motherboard chipsetDiffers	Intel® CM238	Intel SoC
Processor special features7 differ
Intel HD GraphicsKnown for one	Yes	Unknown — not stated by the source
Intel Small Business Advantage (SBA) versionKnown for one	1.00	Unknown — not stated by the source
Intel Stable Image Platform Program (SIPP)Differs	Yes	No
Intel Stable Image Platform Program (SIPP) versionDiffers	1.00	0.00
Intel TSX-NIDiffers	Yes	No
Intel TSX-NI versionDiffers	1.00	0.00
Intel Trusted Execution TechnologyDiffers	Yes	No
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Processor ARK IDDiffers	97496	95443
Processor package sizeDiffers	42 x 28 mm	42 x 24 mm
Intel® Insider™Known for one	Unknown — not stated by the source	Yes
Intel® Small Business Advantage (Intel® SBA)Known for one	Unknown — not stated by the source	Yes
Processor codeKnown for one	Unknown — not stated by the source	SR2ZU
Battery2 differ
Battery technologyKnown for one	Lithium Polymer (LiPo)	Unknown — not stated by the source
Number of battery cellsDiffers	6	3+4
Battery capacityKnown for one	90 Wh	Unknown — not stated by the source
Battery life (max)Differs	6.1 h	13.8 h
Power1 differ
AC adapter powerDiffers	170 W	45 W
Certificatesidentical
CertificationKnown for one	MIL-STD-810G	Unknown — not stated by the source
Weight & dimensions5 differ
WeightDiffers	2.67 kg	1.97 kg
WidthDiffers	377.4 mm	365.8 mm
DepthDiffers	252.3 mm	252.8 mm
Height (front)Differs	2.45 cm	2 cm
Height (rear)Differs	2.94 cm	2.02 cm
Packaging contentidentical
Docking station includedKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
3DKnown for one	Unknown — not stated by the source	No

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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