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Phone Samsung Galaxy Z Fold3 Samsung SCH-A990 Nubia RedMagic 5S Samsung Galaxy S II / SGH-i777
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 7.6" diag.
4 : 3
? 6.7" diag.
19.5 : 9
4.3" diag.
5 : 3
Display Resolution & Type 1768 x 2208 pixels
(~372 ppi)
AMOLED
240 x 320 pixels
LCD (TFT/TFD)
1080 x 2340 pixels
(~388 ppi)
AMOLED
480 x 800 pixels
(~217 ppi)
AMOLED
Display Refresh 120 Hz ? 144 Hz 60 Hz
Battery 4,400 mAh 1,000 mAh 4,500 mAh 1,650 mAh
Processor Qualcomm Snapdragon 888 ? Qualcomm Snapdragon 865 1.2 GHz Samsung Exynos dual-core
RAM 12 GB ? 8 GB * ?
Storage 256 GB * ? raw hardware 128 GB * 16 GB
Main Camera 12 megapixel 3 megapixel 64 megapixel 8 megapixel
Wide Camera 12 megapixel - 8 megapixel -
Tele Camera 12 megapixel - - -
Video Capture 4K UHD ? 4K UHD 1080p HD
Front Camera 10 megapixel - 8 megapixel 2 megapixel
Weight 9.56 oz
(271g)
4.4 oz
(125g)
7.76 oz
(220g)
4.3 oz
(122g)
Dimensions 6.23" x 2.64" x 0.63"
(158 x 67 x 16 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
6.64" x 3.07" x 0.38"
(169 x 78 x 9.8 mm)
4.96" x 2.6" x 0.35"
(126 x 66 x 8.9 mm)
Form Factor Foldable Clamshell Slab Slab
Platform / OS Android (proprietary) Android Android
Network Bands

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, 3, 4, 5, 8

GSM: 850, 900, 1800, 1900

CDMA: 850, 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

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

Data Technology NR (5G) EVDO r0 NR (5G) HSPA+ 21
Features 
Barometer Yes - - -
Fingerprint Reader Yes
stand-alone
- Yes -
Flashlight Yes Yes Yes -
GPS / Location n/a Yes n/a n/a
Water-Resistant Yes
IPX8 (SCUBA)
- - -
Accessibility
Hearing Aid Compatible Yes Yes - Yes
Multiple Languages n/a Yes n/a n/a
TTY/TDD (Digital) Yes Yes - Yes
Alerts
Extra Display Yes Yes - -
Connectivity
Bluetooth Yes Yes Yes Yes
Mobile Hotspot n/a - n/a n/a
NFC Yes - - Yes
USB Yes
USB Type C
Yes Yes
USB Type C
Yes
Micro-USB
UWB Yes - - -
Wi-Fi Yes
6 (802.11 a,ac,ax,b,g,n)
- Yes
6 (802.11 a,ac,ax,b,g,n)
Yes
4 (802.11 a,b,g,n)
Contacts
Picture ID n/a Yes n/a n/a
Ringer ID n/a Yes n/a n/a
Voice Dialing n/a Yes n/a n/a
Customization
Custom Graphics n/a Yes n/a n/a
Custom Ringtones n/a Yes n/a n/a
Real-Music Ringers n/a Yes n/a n/a
Data & Network
Data Tethering n/a Yes n/a n/a
Dual-SIM Yes - Yes -
WAP / Web Browser n/a Yes n/a n/a
Input
Predictive Text Entry n/a Yes n/a n/a
Side Keys Yes Yes Yes Yes
Touch Screen Yes - Yes Yes
Memory
Memory Card Slot - Yes - Yes
Messaging
Email Client n/a - n/a n/a
EMS / Picture Messaging n/a Yes n/a n/a
Instant Messaging n/a - n/a n/a
MMS n/a Yes n/a n/a
Text Messaging Templates n/a Yes n/a n/a
Music
Headphone Jack (3.5mm) - - Yes Yes
Music Player n/a Yes n/a n/a
Stereo Speakers Yes Yes Yes -
Photo & Video
DLNA - - - Yes
TV Output Yes Yes Yes Yes
Power
Fast Charging Yes - Yes -
Wireless Charging Yes - - -
Productivity
Alarm n/a Yes n/a n/a
Calculator n/a Yes n/a n/a
Calendar n/a Yes n/a n/a
Voice Memo n/a Yes n/a n/a
Software
BREW n/a Yes n/a n/a
Games n/a Yes n/a n/a
Voice
HD Voice Yes - - -
Speaker Phone Yes Yes Yes Yes
  Samsung Galaxy Z Fold3 Samsung SCH-A990 Nubia RedMagic 5S Samsung Galaxy S II / SGH-i777
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Galaxy Z Fold3 Samsung SCH-A990 Nubia RedMagic 5S Samsung Galaxy S II / SGH-i777

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