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Phone Samsung Galaxy S II, Epic 4G Touch Samsung Glyde U940 TCL 20 Pro 5G HTC G2 Alcatel Idol
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 4.5" diag.
5 : 3
2.8" diag.
16.5 : 9
6.7" diag.
20 : 9
3.7" diag.
5 : 3
4.7" diag.
16 : 9
Display Resolution & Type 480 x 800 pixels
(~206 ppi)
AMOLED
240 x 440 pixels
(~182 ppi)
LCD (TFT/TFD)
1080 x 2400 pixels
(~395 ppi)
AMOLED
480 x 800 pixels
(~252 ppi)
LCD (TFT/TFD)
540 x 960 pixels
(~234 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? 60 Hz 60 Hz 60 Hz
Battery 1,800 mAh 1,000 mAh 4,500 mAh 1,300 mAh 1,800 mAh
Processor 1.2 GHz Samsung Exynos C210 dual-core ? 2 GHz Qualcomm Snapdragon 750G 800 MHz Qualcomm S2 MSM7230 1 GHz MediaTek 6577
RAM ? ? 6 GB ? 512 MB
Storage 16 GB ? raw hardware 256 GB ? raw hardware 4 GB
Main Camera 8 megapixel 2 megapixel 48 megapixel 5 megapixel 8 megapixel
Wide Camera - - 16 megapixel - -
Tele Camera - - - - -
Video Capture 1080p HD QVGA (320 x 240) 4K UHD 720p HD 720p HD
Front Camera 2 megapixel - 32 megapixel - 2 megapixel
Weight 4.55 oz
(129g)
4.2 oz
(119g)
6.82 oz
(193g)
6.5 oz
(184g)
3.88 oz
(110g)
Dimensions 5.1" x 2.7" x 0.38"
(130 x 69 x 9.6 mm)
4.09" x 1.98" x 0.71"
(104 x 50 x 18 mm)
6.46" x 2.87" x 0.36"
(164 x 73 x 9.1 mm)
4.68" x 2.37" x 0.55"
(119 x 60 x 14 mm)
5.24" x 2.66" x 0.31"
(133 x 67 x 7.9 mm)
Form Factor Slab Slide Slab Slab Slab
Platform / OS Android (proprietary) Android Android Android
Network Bands

4G WiMAX: 41

CDMA: 800, 850, 1900

*

CDMA: 850, 1900

5G: 2, 5, 7, 41, 66, 71, 78

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, 8

GSM: 850, 900, 1800, 1900

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

Data Technology WiMAX EVDO r0 NR (5G) HSPA 14.4 HSPA 7.2
Features 
Barometer - - Yes - -
Fingerprint Reader - - Yes
in-display (optical)
- -
Flashlight - - Yes - Yes
GPS / Location n/a Yes n/a n/a n/a
Water-Resistant - - Yes
IPX2 (drip)
- -
Accessibility
Adjustable Text Size n/a - n/a n/a n/a
Hearing Aid Compatible Yes Yes Yes Yes Yes
Multiple Languages n/a Yes n/a n/a n/a
TTY/TDD (Digital) Yes Yes Yes - -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Infrared (IR) - - Yes - -
Mobile Hotspot n/a - n/a n/a n/a
NFC - - Yes - -
USB Yes
Micro-USB
Yes Yes
USB Type C
Yes Yes
Micro-USB
Wi-Fi Yes
4 (802.11 a,b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
Contacts
Picture ID n/a Yes n/a n/a n/a
Ringer ID n/a Yes n/a n/a n/a
Voice Dialing n/a Yes n/a n/a n/a
Customization
Custom Graphics n/a Yes n/a n/a n/a
Custom Ringtones n/a Yes n/a n/a n/a
Real-Music Ringers n/a Yes n/a n/a n/a
Data & Network
Data Tethering n/a Yes n/a n/a n/a
WAP / Web Browser n/a Yes n/a n/a n/a
Input
Predictive Text Entry n/a Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - Yes -
Touch Screen Yes Yes Yes Yes Yes
Memory
Memory Card Slot Yes Yes Yes Yes Yes
Messaging
Email Client n/a - n/a n/a n/a
Instant Messaging n/a - n/a n/a n/a
MMS n/a Yes n/a n/a n/a
Text Messaging Templates n/a Yes n/a n/a n/a
Music
FM Radio - - Yes - Yes
Headphone Jack (3.5mm) Yes - Yes Yes Yes
Music Player n/a Yes n/a n/a n/a
Photo & Video
DLNA Yes - - - Yes
TV Output Yes - - - -
Power
Fast Charging - - Yes - -
Wireless Charging - - Yes - -
Productivity
Alarm n/a Yes n/a n/a n/a
Calculator n/a Yes n/a n/a n/a
Calendar n/a Yes n/a n/a n/a
To-Do List n/a - n/a n/a n/a
Voice Memo n/a - n/a n/a n/a
Software
BREW n/a Yes n/a n/a n/a
Games n/a Yes n/a n/a n/a
Voice
HD Voice - - Yes - -
Headset Jack (2.5 mm) n/a Yes n/a n/a n/a
Speaker Phone Yes Yes Yes Yes Yes
  Samsung Galaxy S II, Epic 4G Touch Samsung Glyde U940 TCL 20 Pro 5G HTC G2 Alcatel Idol
  X > < X > < X > < X > < X

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

 
Phone Samsung Galaxy S II, Epic 4G Touch Samsung Glyde U940 TCL 20 Pro 5G HTC G2 Alcatel Idol

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