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Phone Samsung SGH-E640 NEC 535M Nokia G100 Asus ROG Phone II Samsung M400
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Not yet released Released Not yet released Released
Specifications 
Display Size ? ? 6.5" diag.
20 : 9
6.6" diag.
19.5 : 9
2.4" diag.
4 : 3
Display Resolution & Type 176 x 220 pixels
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
720 x 1600 pixels
(~269 ppi)
LCD (TFT/TFD)
1080 x 2340 pixels
(~391 ppi)
AMOLED
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz 120 Hz ?
Battery 800 mAh 720 mAh 5,000 mAh 6,000 mAh 1,000 mAh
Processor ? ? 2 GHz Snapdragon 662 3 GHz Qualcomm Snapdragon 855 Plus 400 MHz Qualcomm QSC6155
RAM ? ? 3 GB 12 GB 128 MB
Storage ? raw hardware ? raw hardware 32 GB 512 GB 256 MB
Main Camera 1 megapixel 1 megapixel 13 megapixel 48 megapixel 1 megapixel
Wide Camera - - 8 megapixel 13 megapixel -
Tele Camera - - - - -
Video Capture QCIF (176 x 144) QCIF (176 x 144) 1080p HD 4K UHD -
Front Camera - - 8 megapixel 24 megapixel -
Weight 3.17 oz
(90g)
4.16 oz
(118g)
6.87 oz
(195g)
8.47 oz
(240g)
3.7 oz
(105g)
Dimensions 3.37" x 1.78" x 0.93"
(86 x 45 x 23.6 mm)
3.98" x 1.93" x 1.02"
(101 x 49 x 25.9 mm)
6.56" x 3.02" x 0.35"
(167 x 77 x 8.8 mm)
6.73" x 3.06" x 0.37"
(171 x 78 x 9.5 mm)
3.8" x 1.9" x 0.7"
(97 x 48 x 17.8 mm)
Form Factor Clamshell Clamshell Slab Slab Clamshell
Platform / OS (proprietary) (proprietary) Android Android (proprietary)
Network Bands

GSM: 900, 1800, 1900

GSM: 850, 1800, 1900

4G LTE: 2, 4, 5, 7, 12, 13, 41, 66, 71

WCDMA: 2, 4, 5

GSM: 850, 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

CDMA: 800, 850, 1900

Data Technology GPRS GPRS LTE (Cat 13) LTE (Cat 20) 1xRTT
Features 
Barometer - - Yes - -
Fingerprint Reader - - Yes
stand-alone
Yes
in-display (optical)
-
Flashlight - Yes Yes Yes -
GPS / Location - - n/a n/a Yes
Water-Resistant - - Yes
IPX2 (drip)
- -
Accessibility
Adjustable Text Size - - n/a n/a Yes
Hearing Aid Compatible - - Yes Yes Yes
Multiple Languages Yes Yes n/a n/a Yes
TTY/TDD (Digital) - Yes - - Yes
Alerts
Extra Display Yes Yes - - Yes
Ringer Profiles - Yes - - -
Connectivity
Bluetooth Yes - Yes Yes Yes
Infrared (IR) - Yes - - -
NFC - - - Yes -
USB Yes Yes Yes
USB Type C
Yes
USB Type C
Yes
Micro-USB
Wi-Fi - - Yes
5 (802.11 ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID Yes Yes n/a n/a Yes
Ringer ID Yes Yes n/a n/a Yes
Voice Dialing - Yes n/a n/a Yes
Customization
Custom Graphics Yes Yes n/a n/a Yes
Custom Ringtones Yes Yes n/a n/a Yes
Real-Music Ringers Yes - n/a n/a Yes
Data & Network
Data Tethering - Yes n/a n/a -
Dual-SIM - - - Yes -
WAP / Web Browser Yes Yes n/a n/a Yes
Input
Predictive Text Entry Yes Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen - - Yes Yes -
Memory
Memory Card Slot - - Yes - -
Messaging
Email Client Yes Yes n/a n/a -
EMS / Picture Messaging Yes - n/a n/a -
MMS Yes Yes n/a n/a Yes
Text Messaging Templates Yes - n/a n/a Yes
Music
FM Radio - - Yes Yes -
Headphone Jack (3.5mm) - - Yes Yes Yes
Music Player Yes - n/a n/a -
Stereo Speakers - - - Yes -
Photo & Video
TV Output - - - Yes -
Power
Fast Charging - - Yes Yes -
Productivity
Alarm Yes Yes n/a n/a Yes
Calculator Yes Yes n/a n/a Yes
Calendar Yes Yes n/a n/a Yes
To-Do List Yes Yes n/a n/a -
Voice Memo Yes Yes n/a n/a Yes
Software
Games Yes Yes n/a n/a Yes
Java (J2ME) Yes Yes n/a n/a -
Voice
HD Voice - - Yes - -
Speaker Phone Yes - Yes Yes Yes
  Samsung SGH-E640 NEC 535M Nokia G100 Asus ROG Phone II Samsung M400
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-E640 NEC 535M Nokia G100 Asus ROG Phone II Samsung M400

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