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Phone Samsung Galaxy J2 / J2 Pure / J2 Dash Coolpad Conjr BlackBerry Bold 9650 Nubia RedMagic 5S Samsung Galaxy S21
Current U.S. Carriers (none) (none) (none) (none) Verizon
Global Availability Released Released Released Released Released
Specifications 
Display Size 5" diag.
16 : 9
5" diag.
16 : 9
2.4" diag.
4 : 3
6.7" diag.
19.5 : 9
6.2" diag.
20 : 9
Display Resolution & Type 540 x 960 pixels
(~220 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~294 ppi)
LCD (TFT/TFD)
480 x 360 pixels
(~246 ppi)
LCD (TFT/TFD)
1080 x 2340 pixels
(~388 ppi)
AMOLED
1080 x 2400 pixels
(~424 ppi)
AMOLED
Display Refresh 60 Hz 60 Hz ? 144 Hz 120 Hz
Battery 2,600 mAh 2,500 mAh 1,400 mAh 4,500 mAh 4,000 mAh
Processor 1.4 GHz Samsung Exynos 7570 1 GHz MediaTek MT6735 ? Qualcomm Snapdragon 865 2.8 GHz Qualcomm Snapdragon 888
RAM 2 GB 3 GB ? 8 GB * 8 GB
Storage 16 GB 16 GB ? raw hardware 128 GB * 128 GB *
Main Camera 8 megapixel 13 megapixel 3 megapixel 64 megapixel 12 megapixel
Wide Camera - - - 8 megapixel 12 megapixel
Tele Camera - - - - 64 megapixel
Video Capture 1080p HD 1080p HD ? 4K UHD 8K
Front Camera 5 megapixel 8 megapixel - 8 megapixel 10 megapixel
Weight 5.43 oz
(154g)
5.14 oz
(146g)
4.8 oz
(136g)
7.76 oz
(220g)
6.03 oz
(171g)
Dimensions 5.65" x 2.84" x 0.35"
(144 x 72 x 8.9 mm)
5.72" x 2.86" x 0.35"
(145 x 73 x 8.8 mm)
4.41" x 2.44" x 0.56"
(112 x 62 x 14.2 mm)
6.64" x 3.07" x 0.38"
(169 x 78 x 9.8 mm)
5.97" x 2.8" x 0.31"
(152 x 71 x 7.9 mm)
Platform / OS Android Android BlackBerry OS Android Android
Network Bands

4G LTE: 2, 3, 4, 5, 7, 12, 14, 66, 71

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

4G LTE: 2, 4, 5, 7, 12

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

WCDMA: 1

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

5G: 41, 78

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 18, 19, 20, 26, 34, 38, 40, 41

WCDMA: 1, 2, 4, 5, 8, 19

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

5G: 2, 5, 12, 25, 30, 41, 66, 71, 77-C, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 4) LTE (Cat 4) EVDO rA NR (5G) NR (5G)
Features 
Barometer - - - - Yes
Fingerprint Reader - Yes
stand-alone
- Yes Yes
in-display (ultrasonic)
Flashlight Yes Yes - Yes Yes
Water-Resistant - - - - Yes
IPX8 (SCUBA)
Accessibility
Hearing Aid Compatible Yes Yes Yes - Yes
TTY/TDD (Digital) Yes Yes Yes - Yes
Alerts
Ringer Profiles - - Yes - -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
NFC - - - - Yes
USB Yes
Micro-USB
Yes
Micro-USB
Yes
Micro-USB
Yes
USB Type C
Yes
USB Type C
Wi-Fi Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
Yes
802.11 b,g
Yes
6 (802.11 a,ac,ax,b,g,n)
Yes
6 (802.11 a,ac,ax,b,g,n)
Data & Network
Dual-SIM - Yes - Yes -
Input
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes - -
Touch Screen Yes Yes - Yes Yes
Memory
Memory Card Slot Yes Yes Yes - -
Music
Headphone Jack (3.5mm) Yes Yes Yes Yes -
Stereo Speakers - - - Yes Yes
Photo & Video
TV Output - - - Yes Yes
Power
Fast Charging - - - Yes Yes
Wireless Charging - - - - Yes
Voice
HD Voice - - - - Yes
Push-To-Talk - - Yes * - -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung Galaxy J2 / J2 Pure / J2 Dash Coolpad Conjr BlackBerry Bold 9650 Nubia RedMagic 5S Samsung Galaxy S21
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Galaxy J2 / J2 Pure / J2 Dash Coolpad Conjr BlackBerry Bold 9650 Nubia RedMagic 5S Samsung Galaxy S21

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