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Phone Nokia 7.1 Microsoft Surface Duo 2 Samsung SPH-A660 / VI660 LG V20
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 5.8" diag.
19 : 9
8.3" diag.
4 : 3
? 5.7" diag.
16 : 9
Display Resolution & Type 1080 x 2280 pixels
(~432 ppi)
LCD (TFT/TFD)
2688 x 1892 pixels
(~396 ppi)
AMOLED
128 x 160 pixels
LCD (Color)
1440 x 2560 pixels
(~515 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz 90 Hz ? 60 Hz
Battery 3,060 mAh 4,449 mAh ? 3,200 mAh
Processor Qualcomm Snapdragon 636 Qualcomm Snapdragon 888 ? 2.2 GHz Qualcomm Snapdragon 820 (MSM8996)
RAM 4 GB * 8 GB ? 4 GB
Storage 64 GB * 128 GB * ? raw hardware 64 GB
Main Camera 12 megapixel 12 megapixel - 16 megapixel
Wide Camera - 16 megapixel - -
Tele Camera - 12 megapixel - -
Video Capture 4K UHD 4K UHD - 4K UHD
Front Camera 8 megapixel 12 megapixel - 5 megapixel
Weight 5.64 oz
(160g)
10.02 oz
(284g)
3.54 oz
(100g)
6.14 oz
(174g)
Dimensions 5.89" x 2.8" x 0.31"
(150 x 71 x 8 mm)
5.72" x 3.63" x 0.43"
(145 x 92 x 11 mm)
3.3" x 1.8" x 0.87"
(84 x 46 x 22.1 mm)
6.28" x 3.07" x 0.3"
(160 x 78 x 7.6 mm)
Form Factor Slab Unique Clamshell Slab
Platform / OS Android Android (proprietary) Android
Network Bands

4G LTE: 2, 4, 5, 7, 12, 13, 17, 28, 38, 66

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

5G: 1, 2, 3, 5, 7, 20, 25, 28, 38, 41, 66, 71, 77-C, 78, 257, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71

WCDMA: 1, 2, 5, 8

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

4G LTE: 1, 2, 3, 4, 5, 7, 12, 20, 66

WCDMA: 1, 2, 4, 5

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

Data Technology LTE (Cat 6) NR (5G) 1xRTT LTE (Cat 11)
Features 
Fingerprint Reader Yes
stand-alone
Yes
stand-alone
- Yes
Flashlight Yes Yes - Yes
GPS / Location n/a n/a Yes n/a
Accessibility
Hearing Aid Compatible - Yes
M3, T3 (mostly tele-coil compatible)
- Yes
M4, T3 (mostly tele-coil compatible)
Multiple Languages n/a n/a Yes n/a
TTY/TDD (Digital) Yes - Yes Yes
Alerts
Extra Display - - - Yes
Connectivity
Bluetooth Yes Yes - Yes
Infrared (IR) - - - Yes
MirrorLink - - - Yes
NFC Yes Yes - Yes
USB Yes
USB Type C
Yes
USB Type C
- Yes
USB Type C
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
Yes
6 (802.11 a,ac,ax,b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID n/a n/a Yes n/a
Ringer ID n/a n/a Yes n/a
Voice Dialing n/a n/a Yes n/a
Customization
Custom Graphics n/a n/a Yes n/a
Custom Ringtones n/a n/a Yes n/a
Data & Network
Data Tethering n/a n/a Yes n/a
Dual-SIM Yes Yes - -
WAP / Web Browser n/a n/a Yes n/a
Input
Predictive Text Entry n/a n/a Yes n/a
Side Keys Yes Yes Yes Yes
Touch Screen Yes
Capacitive
Yes
Capacitive
- Yes
Capacitive
Memory
Memory Card Slot Yes - - Yes
Music
FM Radio - - - Yes *
Headphone Jack (3.5mm) Yes - - Yes
Stereo Speakers - Yes - -
Photo & Video
DLNA - - - Yes
Miracast - Yes - Yes
TV Output - Yes - Yes
Power
Fast Charging Yes Yes - Yes
Productivity
Alarm n/a n/a Yes n/a
Calculator n/a n/a Yes n/a
Calendar n/a n/a Yes n/a
To-Do List n/a n/a Yes n/a
Voice Memo n/a n/a Yes n/a
Software
Games n/a n/a Yes n/a
Java (J2ME) n/a n/a Yes n/a
Voice
HD Voice - Yes - Yes
Headset Jack (2.5 mm) n/a n/a Yes n/a
Speaker Phone Yes Yes - Yes
  * Some versions only
  Nokia 7.1 Microsoft Surface Duo 2 Samsung SPH-A660 / VI660 LG V20
  X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Nokia 7.1 Microsoft Surface Duo 2 Samsung SPH-A660 / VI660 LG V20

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