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Phone Samsung Transform Samsung Knack U310 Samsung Galaxy S21 LG CG300 Nokia Lumia 810
Current U.S. Carriers (none) (none) Verizon (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 3.5" diag.
5 : 3
2.2" diag.
4 : 3
6.2" diag.
20 : 9
? 4.3" diag.
5 : 3
Display Resolution & Type 320 x 480 pixels
(~165 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~128 ppi)
LCD (TFT/TFD)
1080 x 2400 pixels
(~424 ppi)
AMOLED
128 x 160 pixels
LCD (STN)
480 x 800 pixels
(~217 ppi)
AMOLED
Display Refresh 60 Hz ? 120 Hz ? ?
Battery 1,500 mAh 1,000 mAh 4,000 mAh 1,000 mAh 1,800 mAh
Processor 800 MHz Samsung S3C6410, Qualcomm QSC6085 ? 2.8 GHz Qualcomm Snapdragon 888 ? 1.5 GHz Qualcomm Snapdragon
RAM ? ? 8 GB ? 1 GB
Storage ? raw hardware ? raw hardware 128 GB * ? raw hardware 8 GB
Main Camera 3 megapixel - 12 megapixel Yes 8 megapixel
Wide Camera - - 12 megapixel - -
Tele Camera - - 64 megapixel - -
Video Capture QVGA (320 x 240) - 8K - 1080p HD
Front Camera Yes - 10 megapixel - 1 megapixel
Weight 5.37 oz
(152g)
3.63 oz
(103g)
6.03 oz
(171g)
3.4 oz
(96g)
5.11 oz
(145g)
Dimensions 4.61" x 2.42" x 0.61"
(117 x 61 x 15.5 mm)
3.78" x 2.01" x 0.74"
(96 x 51 x 18.8 mm)
5.97" x 2.8" x 0.31"
(152 x 71 x 7.9 mm)
3.58" x 1.9" x 0.94"
(91 x 48 x 23.9 mm)
5" x 2.69" x 0.44"
(127 x 68 x 11.2 mm)
Form Factor Slide Clamshell Slab Clamshell Slab
Platform / OS Android (proprietary) Android (proprietary) Windows
Network Bands

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

GSM: 850, 900, 1800, 1900

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology EVDO rA - NR (5G) GPRS HSPA+ 42
Features 
Barometer - - Yes - -
Fingerprint Reader - - Yes
in-display (ultrasonic)
- -
Flashlight - - Yes - -
GPS / Location n/a Yes n/a - n/a
Water-Resistant - - Yes
IPX8 (SCUBA)
- -
Accessibility
Adjustable Text Size n/a Yes n/a - n/a
Hearing Aid Compatible Yes
M4, T3 (mostly tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T4 (very tele-coil compatible)
Multiple Languages n/a Yes n/a Yes n/a
TTY/TDD (Digital) Yes Yes 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
Micro-USB
- Yes
USB Type C
- Yes
Micro-USB
Wi-Fi Yes
4 (802.11 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 - n/a Yes n/a
Ringer ID n/a - n/a Yes n/a
Voice Dialing n/a Yes n/a - n/a
Customization
Custom Graphics n/a - n/a Yes n/a
Custom Ringtones n/a - n/a Yes n/a
Real-Music Ringers n/a - n/a Yes n/a
Data & Network
Data Tethering n/a - n/a Yes n/a
WAP / Web Browser n/a - n/a Yes n/a
Input
Predictive Text Entry n/a Yes n/a Yes n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - - -
Touch Screen Yes
Capacitive
- Yes
Capacitive
- Yes
Capacitive
Memory
Memory Card Slot Yes - - - Yes
Messaging
Email Client n/a - n/a Yes n/a
EMS / Picture Messaging n/a Yes n/a Yes n/a
Instant Messaging n/a - n/a Yes n/a
MMS n/a - n/a Yes n/a
Text Messaging Templates n/a - n/a Yes n/a
Music
Headphone Jack (3.5mm) Yes - - - Yes
Music Player n/a - n/a - n/a
Stereo Speakers - - Yes - -
Photo & Video
TV Output - - Yes - -
Power
Fast Charging - - Yes - -
Wireless Charging - - Yes - Yes
Productivity
Alarm n/a Yes n/a Yes n/a
Calculator n/a Yes n/a Yes n/a
Calendar n/a Yes n/a Yes n/a
Voice Memo n/a - n/a Yes n/a
Software
Games n/a - n/a Yes n/a
Java (J2ME) n/a - n/a Yes n/a
Voice
HD Voice - - Yes - -
Headset Jack (2.5 mm) n/a Yes n/a Yes n/a
Push-To-Talk - - - Yes -
Speaker Phone Yes Yes Yes Yes Yes
  Samsung Transform Samsung Knack U310 Samsung Galaxy S21 LG CG300 Nokia Lumia 810
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Transform Samsung Knack U310 Samsung Galaxy S21 LG CG300 Nokia Lumia 810

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