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Phone Motorola Charm Samsung Galaxy S7 Motorola A920 LG Nexus 4 Samsung Galaxy S21
Current U.S. Carriers (none) (none) (none) (none) Verizon
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.8" diag.
4 : 3
5.1" diag.
16 : 9
? 4.7" diag.
5 : 3
6.2" diag.
20 : 9
Display Resolution & Type 320 x 240 pixels
(~143 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~576 ppi)
AMOLED
208 x 320 pixels
LCD (Color)
768 x 1280 pixels
(~318 ppi)
LCD (TFT/TFD)
1080 x 2400 pixels
(~424 ppi)
AMOLED
Display Refresh 60 Hz 60 Hz ? 60 Hz 120 Hz
Battery 1,170 mAh 3,000 mAh ? 2,100 mAh 4,000 mAh
Processor 720 MHz TI OMAP3410 2.2 GHz Qualcomm Snapdragon 820 (MSM8996) ? 1.5 GHz Qualcomm Snapdragon S4 Pro 2.8 GHz Qualcomm Snapdragon 888
RAM ? 4 GB ? 2 GB 8 GB
Storage ? raw hardware 32 GB ? raw hardware 16 GB * 128 GB *
Main Camera 3 megapixel 12 megapixel Yes 8 megapixel 12 megapixel
Wide Camera - - - - 12 megapixel
Tele Camera - - - - 64 megapixel
Video Capture ? 4K UHD ? 1080p HD 8K
Front Camera - 5 megapixel - 1 megapixel 10 megapixel
Weight 3.88 oz
(110g)
5.36 oz
(152g)
7.48 oz
(212g)
4.9 oz
(139g)
6.03 oz
(171g)
Dimensions 3.87" x 2.65" x 0.45"
(98 x 67 x 11.4 mm)
5.61" x 2.74" x 0.31"
(142 x 70 x 7.9 mm)
5.83" x 2.36" x 0.94"
(148 x 60 x 23.9 mm)
5.27" x 2.7" x 0.36"
(134 x 69 x 9.1 mm)
5.97" x 2.8" x 0.31"
(152 x 71 x 7.9 mm)
Platform / OS Android Android UIQ (Symbian) Android Android
Network Bands

WCDMA: 4

GSM: 850, 900, 1800, 1900

*

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 25, 26, 29, 30, 40, 41

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

WCDMA: 1

GSM: 900, 1800, 1900

WCDMA: 1, 2, 4, 5, 8

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 HSDPA 3.6 LTE (Cat 9) GPRS HSPA+ 42 NR (5G)
Features 
Barometer - - - - Yes
Fingerprint Reader - Yes - - Yes
in-display (ultrasonic)
Flashlight - Yes - - Yes
VR-ready - Yes - - -
Water-Resistant - Yes
IPX8 (SCUBA)
- - Yes
IPX8 (SCUBA)
Accessibility
Hearing Aid Compatible - Yes
M4, T3 (mostly tele-coil compatible)
- Yes
M3 (mostly compatible)
Yes
M3, T3 (mostly tele-coil compatible)
TTY/TDD (Digital) Yes Yes - Yes Yes
Connectivity
Bluetooth Yes Yes - Yes Yes
Infrared (IR) - - Yes - -
MirrorLink - Yes - - -
NFC - Yes - Yes Yes
USB Yes
Micro-USB
Yes
Micro-USB
Yes Yes
Micro-USB
Yes
USB Type C
Wi-Fi Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
- Yes
4 (802.11 b,g,n)
Yes
6 (802.11 a,ac,ax,b,g,n)
Data & Network
Dual-SIM - Yes - - -
Input
Side Keys Yes Yes Yes Yes Yes
Stylus - - Yes - -
Text Keyboard, Hardware Yes - - - -
Touch Screen Yes
Capacitive
Yes
Capacitive
Yes Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot Yes Yes Yes - -
Music
Headphone Jack (3.5mm) Yes Yes - Yes -
Stereo Speakers - - - - Yes
Photo & Video
DLNA - Yes - - -
Miracast - Yes - - -
TV Output - - - Yes Yes
Power
Fast Charging - Yes - - Yes
Wireless Charging - Yes - Yes Yes
Voice
HD Voice - Yes - - Yes
Speaker Phone Yes Yes Yes Yes Yes
  Motorola Charm Samsung Galaxy S7 Motorola A920 LG Nexus 4 Samsung Galaxy S21
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Motorola Charm Samsung Galaxy S7 Motorola A920 LG Nexus 4 Samsung Galaxy S21

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