Feature	Nokia 8.1 (Nokia X7)	Sony Xperia R1 (Plus)
Equivalent Name	Nokia X7 (Chinese market) ** Nokia 7.1 Plus	-
Part Numbers		-
Price Range at Time of Release		Approximately 14000 Rupees
Introduction Time	December 2018	October 2017
Availability Status	Released	Released
Official Release Date	December 2018	November 2017
European SAR rate (SAR EU)	0.51 W/kg (head), 1.49 W/kg (body)	-
Operating System Type at Release	Android	Android
Operating System at Release	Android 9.0 (Pie)	Android 7.1 (Nougat)
Size and Dimensions	154.8 x 75.8 x 8 mm	146 x 73.2 x 8.9 mm
Product Weight	180 gram (g)	154 gram (g)
Front Panel Material	Glass	-
Frame material type	Metal - Stainless Steel	-
Screen Size	6.18 inch	5.2 inch
Display Panel Type
Display Resolution
Pixel Density Range
Screen-to-Body Ratio	~81.2 percent (%)	~69.7 percent (%)
Screen Aspect Ratio
Memory Card Slot	true	true
Bluetooth Support
Supported Memory Card Capacity
Main Camera Type - Wide/Standard	12 megapixel (mp)	13 megapixel (mp)
Maximum Video Recording Quality of Rear Camera	4K
Main Selfie Camera Quality	20 megapixel (mp)	8 megapixel (mp)
Battery Capacity	3500mAh	2620mAh
Battery Technology	Lithium-Ion	Lithium-Ion
Battery Replaceability	Non-user replaceable	Non-user replaceable
Maximum Supported Charging Power		-
Wireless Charging Support	false	false
Connection Port Type	USB Type-C 2.0
OTG Support	true	false
Fast Charging Capability	true	false
Speaker Type	Mono	Mono
Number of 3.5mm Jacks	true	true
Fingerprint Sensor Type	On the back of the phone	-
Wi-Fi Specifications
Communication Technologies
5G Support	false	false
Navigation Type and GPS

Feature	Asus Zenfone 4 Selfie Zb553Kl	Nokia 8.1 (Nokia X7)
Price Range at Time of Release
Introduction Time	September 2017	December 2018
Availability Status	Released	Released
Official Release Date	November 2017	December 2018
Operating System Type at Release	Android	Android
Operating System at Release	Android 7.0 (Nougat)	Android 9.0 (Pie)
Size and Dimensions	155.7 x 75.9 x 7.9 mm	154.8 x 75.8 x 8 mm
Product Weight	144 gram (g)	180 gram (g)
Screen Size	5.5 inch	6.18 inch
Display Panel Type
Display Resolution
Pixel Density Range
Screen-to-Body Ratio	~70.6 percent (%)	~81.2 percent (%)
Screen Aspect Ratio
Memory Card Slot	true	true
Bluetooth Support
Supported Memory Card Capacity
Main Camera Type - Wide/Standard	13 megapixel (mp)	12 megapixel (mp)
Maximum Video Recording Quality of Rear Camera		4K
Main Selfie Camera Quality	13 megapixel (mp)	20 megapixel (mp)
Battery Capacity	3000mAh	3500mAh
Battery Technology	Lithium-Ion	Lithium-Ion
Battery Replaceability	Non-user replaceable	Non-user replaceable
Connection Port Type		USB Type-C 2.0
OTG Support	false	true
Speaker Type	Mono	Mono
Number of 3.5mm Jacks	true	true
Fingerprint Sensor Type	On the front of the phone	On the back of the phone
Wi-Fi Specifications
Communication Technologies
5G Support	false	false
Navigation Type and GPS
Equivalent Name	-	Nokia X7 (Chinese market) ** Nokia 7.1 Plus
Part Numbers	-
European SAR rate (SAR EU)	-	0.51 W/kg (head), 1.49 W/kg (body)
Front Panel Material	-	Glass
Frame material type	-	Metal - Stainless Steel
Maximum Supported Charging Power	-
Wireless Charging Support	-	false
Fast Charging Capability	-	true

Page 6 from comparison Nokia 8.1 (Nokia X7)