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Phone Siemens C56 Google Pixel 7a Samsung MM-A940 Samsung UpStage M620 Samsung Galaxy S21
Current U.S. Carriers (none) AT&T
US Cellular
Verizon
(none) (none) Verizon
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 6.1" diag.
20 : 9
? 2.1" diag.
4 : 3
6.2" diag.
20 : 9
Display Resolution & Type 101 x 64 pixels 1080 x 2400 pixels
(~431 ppi)
AMOLED
176 x 220 pixels
LCD (TFT/TFD)
176 x 220 pixels
(~134 ppi)
LCD (TFT/TFD)
1080 x 2400 pixels
(~424 ppi)
AMOLED
Display Refresh ? 90 Hz ? ? 120 Hz
Battery 700 mAh 4,385 mAh ? 620 mAh 4,000 mAh
Processor ? Google Tensor G2 ? ? 2.8 GHz Qualcomm Snapdragon 888
RAM ? 8 GB ? ? 8 GB
Storage ? raw hardware 128 GB ? raw hardware ? raw hardware 128 GB *
Main Camera - 64 megapixel 2 megapixel 1 megapixel 12 megapixel
Wide Camera - 13 megapixel - - 12 megapixel
Tele Camera - - - - 64 megapixel
Video Capture - 4K UHD ? ? 8K
Front Camera - 13 megapixel - - 10 megapixel
Weight 3 oz
(85g)
6.8 oz
(193g)
4.9 oz
(139g)
2.57 oz
(73g)
6.03 oz
(171g)
Dimensions 3.98" x 1.73" x 0.83"
(101 x 44 x 21.1 mm)
6" x 2.8" x 0.4"
(152 x 71 x 10.2 mm)
3.68" x 1.83" x 1.01"
(93 x 46 x 25.7 mm)
4.07" x 1.73" x 0.37"
(103 x 44 x 9.4 mm)
5.97" x 2.8" x 0.31"
(152 x 71 x 7.9 mm)
Form Factor Slab Slab Clamshell Slab Slab
Platform / OS (proprietary) Android (proprietary) (proprietary) Android
Network Bands

GSM: 850, 1900

5G: 1, 2, 3, 5, 7, 8, 12, 14, 20, 25, 28, 30, 38, 41, 48, 66, 71, 77-A, 77-C, 78, 260, 261

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

WCDMA: 1, 2, 4, 5, 6, 8, 19

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

CDMA: 850, 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 GPRS NR (5G) EVDO r0 EVDO r0 NR (5G)
Features 
Barometer - Yes - - Yes
Fingerprint Reader - Yes
in-display (optical)
- - Yes
in-display (ultrasonic)
Flashlight - Yes - - Yes
GPS / Location Yes n/a Yes - n/a
Water-Resistant - Yes
IPX7 (snorkeling)
- - Yes
IPX8 (SCUBA)
Accessibility
Adjustable Text Size - n/a - Yes n/a
Hearing Aid Compatible - Yes
M3, T4 (very tele-coil compatible)
- Yes
M4 (very compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Multiple Languages Yes n/a Yes - n/a
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display - - Yes Yes -
Ringer Profiles Yes - - - -
Connectivity
Bluetooth - Yes Yes Yes Yes
NFC - Yes - - Yes
USB Yes Yes
USB Type C
- Yes Yes
USB Type C
Wi-Fi - Yes
6E (802.11 a,ac,ax,b,g,n)
- - Yes
6 (802.11 a,ac,ax,b,g,n)
Contacts
Picture ID - n/a Yes Yes n/a
Ringer ID Yes n/a Yes Yes n/a
Voice Dialing Yes n/a Yes Yes n/a
Customization
Changeable Body Plates Yes - - - -
Custom Graphics Yes n/a Yes Yes n/a
Custom Ringtones Yes n/a Yes Yes n/a
Real-Music Ringers - n/a - Yes n/a
Data & Network
Data Tethering Yes n/a Yes - n/a
Dual-SIM - Yes - - -
External Antenna Jack - n/a - Yes n/a
WAP / Web Browser Yes n/a Yes Yes n/a
Input
Predictive Text Entry Yes n/a Yes Yes n/a
Side Keys - Yes Yes Yes Yes
Touch Screen - Yes
Capacitive
- - Yes
Capacitive
Memory
Memory Card Slot - - Yes Yes -
Messaging
EMS / Picture Messaging Yes n/a - - n/a
Instant Messaging - n/a - Yes n/a
MMS - n/a - Yes n/a
Text Messaging Templates Yes n/a Yes Yes n/a
Music
Music Player - n/a Yes Yes n/a
Stereo Speakers - Yes - - Yes
Photo & Video
TV Output - - - - Yes
Power
Fast Charging - Yes - - Yes
Wireless Charging - Yes - - Yes
Productivity
Alarm Yes n/a Yes Yes n/a
Calculator Yes n/a Yes Yes n/a
Calendar Yes n/a Yes Yes n/a
To-Do List - n/a Yes Yes n/a
Voice Memo - n/a Yes Yes n/a
Software
Games Yes n/a Yes Yes n/a
Java (J2ME) Yes n/a Yes Yes n/a
Voice
Call Screening - Yes - - -
HD Voice - Yes - - Yes
Headset Jack (2.5 mm) - n/a Yes - n/a
Speaker Phone Yes Yes Yes Yes Yes
  Siemens C56 Google Pixel 7a Samsung MM-A940 Samsung UpStage M620 Samsung Galaxy S21
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Siemens C56 Google Pixel 7a Samsung MM-A940 Samsung UpStage M620 Samsung Galaxy S21

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