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Phone HTC G2 Samsung SGH-X640 Asus ROG Phone II Nokia 2600 Samsung SGH-A657
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Not yet released Released Released
Specifications 
Display Size 3.7" diag.
5 : 3
? 6.6" diag.
19.5 : 9
? ?
Display Resolution & Type 480 x 800 pixels
(~252 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
1080 x 2340 pixels
(~391 ppi)
AMOLED
128 x 128 pixels
LCD (Color)
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh 60 Hz ? 120 Hz ? ?
Battery 1,300 mAh 800 mAh 6,000 mAh 820 mAh 1,420 mAh
Processor 800 MHz Qualcomm S2 MSM7230 ? 3 GHz Qualcomm Snapdragon 855 Plus ? ?
RAM ? ? 12 GB ? ?
Storage ? raw hardware ? raw hardware 512 GB ? raw hardware ? raw hardware
Main Camera 5 megapixel Yes 48 megapixel - -
Wide Camera - - 13 megapixel - -
Tele Camera - - - - -
Video Capture 720p HD - 4K UHD - -
Front Camera - - 24 megapixel - -
Weight 6.5 oz
(184g)
3 oz
(85g)
8.47 oz
(240g)
3.33 oz
(94g)
4.34 oz
(123g)
Dimensions 4.68" x 2.37" x 0.55"
(119 x 60 x 14 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
6.73" x 3.06" x 0.37"
(171 x 78 x 9.5 mm)
4.24" x 1.81" x 0.8"
(108 x 46 x 20.3 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 Android (proprietary) Android (proprietary) (proprietary)
Network Bands

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 26, 28, 29, 32, 34, 38, 39, 40, 41, 46, 66

WCDMA: 1, 2, 3, 4, 5, 8, 19

GSM: 850, 900, 1800, 1900

GSM: 850, 1900

*

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

Data Technology HSPA 14.4 GPRS LTE (Cat 20) - HSDPA 3.6
Features 
Fingerprint Reader - - Yes
in-display (optical)
- -
Flashlight - - Yes - Yes
GPS / Location n/a - n/a - Yes
Ruggedized - - - - Yes
Accessibility
Hearing Aid Compatible Yes - Yes - -
Multiple Languages n/a Yes n/a Yes Yes
TTY/TDD (Digital) - - - - Yes
Alerts
Ringer Profiles - - - Yes -
Connectivity
Bluetooth Yes - Yes - Yes
Mobile Hotspot n/a - n/a - -
NFC - - Yes - -
USB Yes - Yes
USB Type C
- Yes
Wi-Fi Yes
4 (802.11 b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
- -
Contacts
Picture ID n/a Yes n/a - Yes
Ringer ID n/a Yes n/a Yes Yes
Voice Dialing n/a - n/a - -
Customization
Changeable Body Plates - - - Yes -
Custom Graphics n/a Yes n/a - Yes
Custom Ringtones n/a Yes n/a Yes Yes
Real-Music Ringers n/a - n/a - Yes
Data & Network
Data Tethering n/a - n/a - Yes
Dual-SIM - - Yes - -
WAP / Web Browser n/a Yes n/a - Yes
Input
Predictive Text Entry n/a Yes n/a Yes Yes
Side Keys Yes Yes Yes - Yes
Text Keyboard, Hardware Yes - - - -
Touch Screen Yes - Yes - -
Memory
Memory Card Slot Yes - - - Yes
Messaging
Email Client n/a - n/a - Yes
EMS / Picture Messaging n/a Yes n/a - -
Instant Messaging n/a - n/a - Yes
MMS n/a Yes n/a - Yes
Text Messaging Templates n/a Yes n/a - Yes
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) Yes - Yes - -
Music Player n/a - n/a - Yes
Stereo Speakers - - Yes - -
Photo & Video
TV Output - - Yes - -
Power
Fast Charging - - Yes - -
Productivity
Alarm n/a Yes n/a Yes Yes
Calculator n/a Yes n/a Yes Yes
Calendar n/a Yes n/a Yes Yes
To-Do List n/a Yes n/a - Yes
Voice Memo n/a Yes n/a - Yes
Software
Games n/a Yes n/a Yes Yes
Java (J2ME) n/a Yes n/a - Yes
Voice
Headset Jack (2.5 mm) n/a Yes n/a - -
Push-To-Talk - - - - Yes
Speaker Phone Yes Yes Yes Yes Yes
  HTC G2 Samsung SGH-X640 Asus ROG Phone II Nokia 2600 Samsung SGH-A657
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone HTC G2 Samsung SGH-X640 Asus ROG Phone II Nokia 2600 Samsung SGH-A657

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