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Phone ZTE MSGM8 II Samsung SGH-X640 Red Hydrogen One Nokia 6275i Samsung SGH-A657
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.2" diag.
4 : 3
? 5.7" diag.
16 : 9
? ?
Display Resolution & Type 220 x 176 pixels
(~130 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
1440 x 2560 pixels
(~515 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ? ?
Battery 900 mAh 800 mAh 4,510 mAh 1,150 mAh 1,420 mAh
Processor ? ? 2.5 GHz Qualcomm Snapdragon 835 (MSM8998) ? ?
RAM ? ? 6 GB ? ?
Storage ? raw hardware ? raw hardware 128 GB * ? raw hardware ? raw hardware
Main Camera 1 megapixel Yes 12 megapixel 2 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - 4K UHD ? -
Front Camera - - 8 megapixel - -
Weight 3.65 oz
(104g)
3 oz
(85g)
9.63 oz
(273g)
3.7 oz
(105g)
4.34 oz
(123g)
Dimensions 4.2" x 2.4" x 0.54"
(107 x 61 x 13.7 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
6.54" x 3.28" x 0.39"
(166 x 83 x 10 mm)
4.29" x 1.69" x 0.67"
(109 x 43 x 17 mm)
4.53" x 2.05" x 0.77"
(115 x 52 x 19.6 mm)
Form Factor Slab Clamshell Slab Slab Slab
Platform / OS (proprietary) (proprietary) Android (proprietary) (proprietary)
Network Bands

CDMA: 850, 1700, 1900

GSM: 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 66

WCDMA: 1, 2, 4, 5, 8, 19

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

Data Technology 1xRTT GPRS LTE (Cat 12) 1xRTT HSDPA 3.6
Features 
Fingerprint Reader - - Yes
stand-alone
- -
Flashlight - - Yes - Yes
GPS / Location Yes - n/a Yes Yes
Ruggedized - - - - Yes
Accessibility
Hearing Aid Compatible Yes - Yes - -
Multiple Languages Yes Yes n/a Yes Yes
TTY/TDD (Digital) Yes - Yes Yes Yes
Alerts
Ringer Profiles - - - Yes -
Connectivity
Bluetooth Yes - Yes Yes Yes
Infrared (IR) - - - Yes -
NFC - - Yes - -
USB Yes
Mini-USB
- Yes
USB Type C
Yes Yes
Wi-Fi - - Yes
5 (802.11 a,ac,b,g,n)
- -
Contacts
Picture ID Yes Yes n/a Yes Yes
Ringer ID Yes Yes n/a Yes Yes
Voice Dialing Yes - n/a Yes -
Customization
Custom Graphics Yes Yes n/a Yes Yes
Custom Ringtones Yes Yes n/a Yes Yes
Real-Music Ringers Yes - n/a Yes Yes
Data & Network
Data Tethering - - n/a Yes Yes
WAP / Web Browser Yes Yes n/a Yes Yes
Input
Predictive Text Entry - Yes n/a Yes Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - - -
Touch Screen - - Yes - -
Memory
Memory Card Slot - - Yes Yes Yes
Messaging
Email Client - - n/a - Yes
EMS / Picture Messaging - Yes n/a - -
Instant Messaging - - n/a - Yes
MMS Yes Yes n/a Yes Yes
Text Messaging Templates - Yes n/a Yes Yes
Music
FM Radio - - Yes Yes -
Headphone Jack (3.5mm) - - Yes - -
Music Player - - n/a Yes Yes
Stereo Speakers - - Yes - -
Power
Fast Charging - - Yes - -
Productivity
Alarm Yes Yes n/a Yes Yes
Calculator Yes Yes n/a Yes Yes
Calendar Yes Yes n/a Yes Yes
To-Do List - Yes n/a Yes Yes
Voice Memo Yes Yes n/a Yes Yes
Software
BREW Yes - n/a Yes * -
Games Yes Yes n/a Yes Yes
Java (J2ME) - Yes n/a Yes * Yes
Voice
HD Voice - - Yes - -
Headset Jack (2.5 mm) Yes Yes n/a Yes -
Push-To-Talk - - - - Yes
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  ZTE MSGM8 II Samsung SGH-X640 Red Hydrogen One Nokia 6275i Samsung SGH-A657
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone ZTE MSGM8 II Samsung SGH-X640 Red Hydrogen One Nokia 6275i Samsung SGH-A657

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