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Phone LG Optimus L90 Kyocera Slider Remix KX5 / Slider Sonic Sony Ericsson Xperia X10 mini (2010) NEC 525 Samsung Galaxy S21
Current U.S. Carriers (none) (none) (none) (none) Verizon
Global Availability Released Released Not yet released Released Released
Specifications 
Display Size 4.7" diag.
16 : 9
? 2.6" diag.
4 : 3
? 6.2" diag.
20 : 9
Display Resolution & Type 540 x 960 pixels
(~234 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~157 ppi)
LCD (TFT/TFD)
162 x 216 pixels
LCD (TFT/TFD)
1080 x 2400 pixels
(~424 ppi)
AMOLED
Display Refresh 60 Hz ? 60 Hz ? 120 Hz
Battery 2,460 mAh 900 mAh ? 800 mAh 4,000 mAh
Processor 1.2 GHz Qualcomm Snapdragon 400 MSM8226 ? 600 MHz Qualcomm S1 MSM7227 ? 2.8 GHz Qualcomm Snapdragon 888
RAM 1 GB ? ? ? 8 GB
Storage 8 GB ? raw hardware ? raw hardware ? raw hardware 128 GB *
Main Camera 5 megapixel 1 megapixel 5 megapixel Yes 12 megapixel
Wide Camera - - - - 12 megapixel
Tele Camera - - - - 64 megapixel
Video Capture 1080p HD ? VGA (640 x 480) - 8K
Front Camera Yes - - - 10 megapixel
Weight 4.37 oz
(124g)
3.88 oz
(110g)
3.11 oz
(88g)
4.03 oz
(114g)
6.03 oz
(171g)
Dimensions 5.18" x 2.6" x 0.38"
(132 x 66 x 9.7 mm)
3.89" x 1.85" x 0.9"
(99 x 47 x 22.9 mm)
3.26" x 1.97" x 0.64"
(83 x 50 x 16.3 mm)
4.12" x 1.88" x 1.06"
(105 x 48 x 26.9 mm)
5.97" x 2.8" x 0.31"
(152 x 71 x 7.9 mm)
Form Factor Slab Slide Slab Clamshell Slab
Platform / OS Android (proprietary) Android (proprietary) Android
Network Bands

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

*

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

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 HSPA+ 21 1xRTT HSPA 7.2 GPRS NR (5G)
Features 
Barometer - - - - Yes
Fingerprint Reader - - - - Yes
in-display (ultrasonic)
Flashlight Yes - - - Yes
GPS / Location n/a Yes n/a - n/a
Water-Resistant - - - - Yes
IPX8 (SCUBA)
Accessibility
Adjustable Text Size n/a - n/a - n/a
Hearing Aid Compatible Yes Yes - - Yes
Multiple Languages n/a - n/a Yes n/a
TTY/TDD (Digital) Yes Yes - Yes Yes
Alerts
Extra Display - - - Yes -
Ringer Profiles - - - Yes -
Connectivity
Bluetooth Yes Yes * Yes - Yes
Infrared (IR) Yes - - Yes -
Mobile Hotspot n/a - n/a - n/a
NFC - - - - Yes
USB Yes - Yes
Micro-USB
Yes Yes
USB Type C
Wi-Fi Yes
4 (802.11 b,g,n)
- Yes
802.11 b,g
- Yes
6 (802.11 a,ac,ax,b,g,n)
Contacts
Picture ID n/a Yes n/a Yes n/a
Ringer ID n/a Yes n/a Yes n/a
Voice Dialing n/a Yes n/a Yes n/a
Customization
Custom Graphics n/a Yes n/a Yes n/a
Custom Ringtones n/a Yes n/a Yes n/a
Real-Music Ringers n/a - n/a - n/a
Data & Network
Data Tethering n/a Yes n/a Yes n/a
WAP / Web Browser n/a Yes n/a Yes n/a
Input
Predictive Text Entry n/a Yes n/a Yes n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen Yes - Yes - Yes
Memory
Memory Card Slot Yes 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 Yes * n/a - n/a
MMS n/a Yes n/a Yes n/a
Text Messaging Templates n/a - n/a - n/a
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) Yes - Yes - -
Music Player n/a Yes n/a - n/a
Stereo Speakers - - - - Yes
Photo & Video
TV Output - - - - Yes
Power
Fast Charging - - - - Yes
Wireless Charging - - - - 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
To-Do List n/a - n/a Yes n/a
Voice Memo n/a Yes * n/a Yes n/a
Software
BREW n/a Yes * n/a - n/a
Games n/a Yes n/a Yes n/a
Java (J2ME) n/a Yes * n/a Yes n/a
Voice
HD Voice - - - - Yes
Headset Jack (2.5 mm) n/a Yes n/a Yes n/a
Speaker Phone Yes Yes Yes - Yes
  * Some versions only
  LG Optimus L90 Kyocera Slider Remix KX5 / Slider Sonic Sony Ericsson Xperia X10 mini (2010) NEC 525 Samsung Galaxy S21
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone LG Optimus L90 Kyocera Slider Remix KX5 / Slider Sonic Sony Ericsson Xperia X10 mini (2010) NEC 525 Samsung Galaxy S21

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