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Phone Samsung SGH-A157 Motorola razr (2020) Motorola Defy (2010) Nokia Lumia 635 (CDMA)
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 1.8" diag.
4 : 3
6.2" diag.
22 : 9
3.6" diag.
16 : 9
4.5" diag.
16 : 9
Display Resolution & Type 128 x 160 pixels
(~116 ppi)
LCD (TFT/TFD)
876 x 2142 pixels
(~373 ppi)
AMOLED
480 x 854 pixels
(~272 ppi)
LCD (TFT/TFD)
480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz 60 Hz ?
Battery 800 mAh 2,800 mAh 1,540 mAh 1,830 mAh
Processor ? Qualcomm Snapdragon 765G 800 MHz TI OMAP3610 1.2 GHz Qualcomm Snapdragon 400 (MSM8926)
RAM ? 8 GB ? 512 MB
Storage 256 MB 256 GB ? raw hardware 8 GB
Main Camera - 48 megapixel 5 megapixel 5 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture - 4K UHD ? 720p HD
Front Camera - 20 megapixel - -
Weight 2.99 oz
(85g)
6.77 oz
(192g)
4.16 oz
(118g)
4.73 oz
(134g)
Dimensions 3.83" x 1.84" x 0.65"
(97 x 47 x 16.5 mm)
3.61" x 2.86" x 0.63"
(92 x 73 x 16 mm)
4.21" x 2.32" x 0.53"
(107 x 59 x 13.4 mm)
5.1" x 2.63" x 0.36"
(130 x 67 x 9.1 mm)
Form Factor Clamshell Clamshell Slab Slab
Platform / OS (proprietary) Android Android Windows
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

5G: 2, 5, 25, 41, 66, 71, 78

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

WCDMA: 1, 4, 5

GSM: 850, 900, 1800, 1900

4G LTE: 25, 26, 41

WCDMA: 1, 2, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology ? NR (5G) HSPA 7.2 LTE (Cat 3)
Features 
Barometer - Yes - -
Fingerprint Reader - Yes
stand-alone
- -
Flashlight - Yes - -
GPS / Location Yes n/a n/a n/a
Ruggedized - - Yes -
Water-Resistant - Yes - -
Accessibility
Adjustable Text Size Yes n/a n/a n/a
Hearing Aid Compatible Yes
M4 (very compatible)
Yes
M4, T4 (very tele-coil compatible)
- Yes
M3, T4 (very tele-coil compatible)
Multiple Languages Yes n/a n/a n/a
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Extra Display - Yes - -
Ringer Profiles Yes - - -
Connectivity
Bluetooth - Yes Yes Yes
Mobile Hotspot - n/a n/a n/a
NFC - Yes - -
USB Yes
Micro-USB
Yes
USB Type C
Yes
Micro-USB
Yes
Micro-USB
Wi-Fi - Yes
5 (802.11 ac,b,g,n)
Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes n/a n/a n/a
Ringer ID Yes n/a n/a n/a
Voice Dialing - n/a n/a n/a
Customization
Custom Graphics Yes n/a n/a n/a
Custom Ringtones Yes n/a n/a n/a
Real-Music Ringers Yes n/a n/a n/a
Data & Network
Data Tethering - n/a n/a n/a
Dual-SIM - Yes - -
WAP / Web Browser Yes n/a n/a n/a
Input
Predictive Text Entry Yes n/a n/a n/a
Side Keys - Yes Yes Yes
Touch Screen - Yes
Capacitive
Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot - - Yes Yes
Messaging
Email Client - n/a n/a n/a
Instant Messaging - n/a n/a n/a
MMS Yes n/a n/a n/a
Text Messaging Templates Yes n/a n/a n/a
Music
FM Radio - - Yes Yes
Headphone Jack (3.5mm) - - Yes Yes
Music Player - n/a n/a n/a
Photo & Video
DLNA - - Yes Yes
Power
Fast Charging - Yes - -
Productivity
Alarm Yes n/a n/a n/a
Calculator Yes n/a n/a n/a
Calendar Yes n/a n/a n/a
To-Do List Yes n/a n/a n/a
Voice Memo Yes n/a n/a n/a
Software
Games - n/a n/a n/a
Voice
HD Voice - Yes - -
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Samsung SGH-A157 Motorola razr (2020) Motorola Defy (2010) Nokia Lumia 635 (CDMA)
  X > < X > < X > < X

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

 
Phone Samsung SGH-A157 Motorola razr (2020) Motorola Defy (2010) Nokia Lumia 635 (CDMA)

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