Product comparison · 2 laptops

Lenovo P51s + ThinkPad Stack Mobile Projector vs Lenovo T470 + ThinkPad USB Dock

171specifications compared
28differ
143identical
11known for one product only

Key differences

Product type
- P51s + ThinkPad Stack Mobile Projector:Mobile workstation
- T470 + ThinkPad USB Dock:Laptop
Market positioning
- P51s + ThinkPad Stack Mobile Projector:High performance
- T470 + ThinkPad USB Dock:Business
Display diagonal
- P51s + ThinkPad Stack Mobile Projector:39.6 cm (15.6")
- T470 + ThinkPad USB Dock:35.6 cm (14")
Processor family
- P51s + ThinkPad Stack Mobile Projector:Intel® Core™ i7
- T470 + ThinkPad USB Dock:Intel® Core™ i5
Processor generation
- P51s + ThinkPad Stack Mobile Projector:7th gen Intel® Core™ i7
- T470 + ThinkPad USB Dock:7th gen Intel® Core™ i5
Processor model
- P51s + ThinkPad Stack Mobile Projector:i7-7500U
- T470 + ThinkPad USB Dock:i5-7200U
Processor boost frequency
- P51s + ThinkPad Stack Mobile Projector:3.5 GHz
- T470 + ThinkPad USB Dock:3.1 GHz
Processor frequency
- P51s + ThinkPad Stack Mobile Projector:2.7 GHz
- T470 + ThinkPad USB Dock:2.5 GHz

Side by side

Differences highlightedShow differences only

Comparison of P51s + ThinkPad Stack Mobile Projector, T470 + ThinkPad USB Dock
182 specifications	A Lenovo P51s + ThinkPad Stack Mobile Projector View product	B Lenovo T470 + ThinkPad USB Dock View product
Design3 differ
Product typeDiffers	Mobile workstation	Laptop
Housing materialDiffers	Glass fibre, Plastic	Glass-reinforced plastic (GRP), Glass fibre
Market positioningDiffers	High performance	Business
Display1 differ
Display diagonalDiffers	39.6 cm (15.6")	35.6 cm (14")
Display brightnessKnown for one	250 cd/m²	Unknown — not stated by the source
Processor7 differ
Processor familyDiffers	Intel® Core™ i7	Intel® Core™ i5
Processor generationDiffers	7th gen Intel® Core™ i7	7th gen Intel® Core™ i5
Processor modelDiffers	i7-7500U	i5-7200U
Processor boost frequencyDiffers	3.5 GHz	3.1 GHz
Processor frequencyDiffers	2.7 GHz	2.5 GHz
Processor cacheDiffers	4 MB	3 MB
Configurable TDP-up frequencyDiffers	2.9 GHz	2.7 GHz
Memory2 differ
Internal memoryDiffers	16 GB	8 GB
Memory layout (slots x size)Differs	1 x 16 GB	1 x 8 GB
Storage2 differ
Total storage capacityDiffers	512 GB	256 GB
SSD capacityDiffers	512 GB	256 GB
Graphics3 differ
Discrete graphics cardDiffers	Yes	No
Discrete graphics card modelDiffers	NVIDIA® Quadro® M520	Not available
Discrete graphics card memoryKnown for one	2 GB	Unknown — not stated by the source
Discrete graphics memory typeKnown for one	GDDR5	Unknown — not stated by the source
On-board graphics card dynamic frequency (max)Differs	1050 MHz	1000 MHz
Cameraidentical
Front camera resolutionKnown for one	Unknown — not stated by the source	1280 x 720 pixels
Ports & interfacesidentical
Mini DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
SmartCard slotKnown for one	Unknown — not stated by the source	Yes
Keyboard1 differ
Numeric keypadDiffers	Yes	No
Full-size keyboardKnown for one	Unknown — not stated by the source	No
Processor special features2 differ
Processor ARK IDDiffers	95451	95443
Processor codeDiffers	SR2ZV	SR2ZU
Battery2 differ
Number of battery cellsDiffers	4+6	3+3
Battery life (max)Differs	26.8 h	13.9 h
Power1 differ
AC adapter powerDiffers	65 W	45 W
Sustainability1 differ
Sustainability certificatesDiffers	ENERGY STAR	EPEAT Gold, ENERGY STAR
Weight & dimensions3 differ
WeightDiffers	2.18 kg	1.65 kg
WidthDiffers	365.8 mm	336.6 mm
DepthDiffers	252.8 mm	232.5 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	19.9 mm
Other featuresidentical
Intel segment taggingKnown for one	Unknown — not stated by the source	Home office, Small Business

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.

More laptop comparisons

All laptop comparisons