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Phone Nokia XR21 Samsung Galaxy S II / SGH-i777
Current U.S. Carriers (none) (none)
Global Availability Released Released
Specifications 
Display Size 6.5" diag.
20 : 9
4.3" diag.
5 : 3
Display Resolution & Type 1080 x 2400 pixels
(~406 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~217 ppi)
AMOLED
Display Refresh 60 Hz 60 Hz
Battery 4,800 mAh 1,650 mAh
Processor Snapdragon 695 1.2 GHz Samsung Exynos dual-core
RAM 6 GB ?
Storage 128 GB 16 GB
Main Camera 64 megapixel 8 megapixel
Wide Camera 8 megapixel -
Tele Camera - -
Video Capture 1080p HD 1080p HD
Front Camera 16 megapixel 2 megapixel
Weight 8.16 oz
(231g)
4.3 oz
(122g)
Dimensions 6.61" x 3.09" x 0.41"
(168 x 78 x 10.4 mm)
4.96" x 2.6" x 0.35"
(126 x 66 x 8.9 mm)
Platform / OS Android Android
Network Bands

5G: 1, 2, 3, 5, 7, 20, 25, 28, 40, 41, 66, 71, 77-C, 78, 79, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 32, 38, 39, 40, 41, 42, 43, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

Data Technology NR (5G) HSPA+ 21
Features 
Barometer Yes -
Fingerprint Reader Yes
stand-alone
-
Flashlight Yes -
Ruggedized Yes -
Water-Resistant Yes
IPX8 (SCUBA)
-
Accessibility
Hearing Aid Compatible Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3 (mostly compatible)
TTY/TDD (Digital) - Yes
Connectivity
Bluetooth Yes Yes
NFC Yes Yes
USB Yes
USB Type C
Yes
Micro-USB
Wi-Fi Yes
6 (802.11 a,ac,ax,b,g,n)
Yes
4 (802.11 a,b,g,n)
Data & Network
Dual-SIM Yes -
Input
Side Keys Yes Yes
Touch Screen Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot - Yes
Music
FM Radio Yes -
Headphone Jack (3.5mm) Yes Yes
Photo & Video
DLNA - Yes
TV Output - Yes
Power
Fast Charging Yes -
Voice
Speaker Phone Yes Yes
  Nokia XR21 Samsung Galaxy S II / SGH-i777
  X > < X

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

 
Phone Nokia XR21 Samsung Galaxy S II / SGH-i777

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