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Phone Apple iPhone Samsung Galaxy S III mini (GSM) Samsung Galaxy S21
Current U.S. Carriers (none) (none) Verizon
Global Availability Released Released Released
Specifications 
Display Size 3.5" diag.
5 : 3
4" diag.
5 : 3
6.2" diag.
20 : 9
Display Resolution & Type 320 x 480 pixels
(~165 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
AMOLED
1080 x 2400 pixels
(~424 ppi)
AMOLED
Display Refresh 60 Hz 60 Hz 120 Hz
Battery ? 2,000 mAh 4,000 mAh
Processor ? 1.2 GHz Qualcomm Snapdragon MSM8930 2.8 GHz Qualcomm Snapdragon 888
RAM ? 1 GB 8 GB
Storage 8 GB * 8 GB 128 GB *
Main Camera 2 megapixel 5 megapixel 12 megapixel
Wide Camera - - 12 megapixel
Tele Camera - - 64 megapixel
Video Capture - 720p HD 8K
Front Camera - Yes 10 megapixel
Weight 4.8 oz
(136g)
3.96 oz
(112g)
6.03 oz
(171g)
Dimensions 4.5" x 2.4" x 0.46"
(114 x 61 x 11.7 mm)
4.77" x 2.46" x 0.34"
(121 x 62 x 8.6 mm)
5.97" x 2.8" x 0.31"
(152 x 71 x 7.9 mm)
Platform / OS iOS Android Android
Network Bands

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 17

WCDMA: 1, 2, 5

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 EDGE LTE (Cat 3) NR (5G)
Features 
Barometer - - Yes
Fingerprint Reader - - Yes
in-display (ultrasonic)
Flashlight - Yes Yes
Water-Resistant - - Yes
IPX8 (SCUBA)
Accessibility
Hearing Aid Compatible - Yes Yes
TTY/TDD (Digital) Yes Yes Yes
Connectivity
Bluetooth Yes Yes Yes
NFC - Yes Yes
USB - Yes Yes
USB Type C
Wi-Fi Yes
802.11 b,g
Yes
4 (802.11 a,b,g,n)
Yes
6 (802.11 a,ac,ax,b,g,n)
Input
Side Keys Yes Yes Yes
Touch Screen Yes Yes Yes
Memory
Memory Card Slot - Yes -
Music
Headphone Jack (3.5mm) Yes Yes -
Stereo Speakers - - Yes
Photo & Video
DLNA - Yes -
TV Output Yes * - Yes
Power
Fast Charging - - Yes
Wireless Charging - - Yes
Voice
HD Voice - - Yes
Speaker Phone Yes Yes Yes
  * Some versions only
  Apple iPhone Samsung Galaxy S III mini (GSM) Samsung Galaxy S21
  X > < X > < X

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

 
Phone Apple iPhone Samsung Galaxy S III mini (GSM) Samsung Galaxy S21

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