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Phone Nokia Lumia 635 (CDMA) Samsung SGH-X640 Motorola i670 Apple iPhone X LG C1300 / G4015
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 4.5" diag.
16 : 9
? ? 5.8" diag.
19.5 : 9
?
Display Resolution & Type 480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
130 x 130 pixels
LCD (TFT/TFD)
1125 x 2436 pixels
(~463 ppi)
AMOLED
128 x 128 pixels
LCD (STN)
Display Refresh ? ? ? 60 Hz ?
Battery 1,830 mAh 800 mAh ? 2,716 mAh 740 mAh
Processor 1.2 GHz Qualcomm Snapdragon 400 (MSM8926) ? ? Apple A11 ?
RAM 512 MB ? ? 3 GB ?
Storage 8 GB ? raw hardware ? raw hardware 64 GB * ? raw hardware
Main Camera 5 megapixel Yes - 12 megapixel -
Wide Camera - - - - -
Tele Camera - - - Yes -
Video Capture 720p HD - - 4K UHD -
Front Camera - - - 7 megapixel -
Weight 4.73 oz
(134g)
3 oz
(85g)
4.06 oz
(115g)
6.14 oz
(174g)
2.84 oz
(81g)
Dimensions 5.1" x 2.63" x 0.36"
(130 x 67 x 9.1 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
3.46" x 2" x 1.02"
(88 x 51 x 25.9 mm)
5.65" x 2.79" x 0.3"
(144 x 71 x 7.6 mm)
3.19" x 1.69" x 0.82"
(81 x 43 x 20.8 mm)
Form Factor Slab Clamshell Clamshell Slab Clamshell
Platform / OS Windows (proprietary) (proprietary) iOS (proprietary)
Network Bands

4G LTE: 25, 26, 41

WCDMA: 1, 2, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

iDEN: 800

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 34, 38, 39, 40, 41, 66

WCDMA: 1, 2, 4, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

GSM: 850, 1900

Data Technology LTE (Cat 3) GPRS WiDEN LTE (Cat 9) GPRS
Features 
Barometer - - - Yes -
Flashlight - - - Yes -
GPS / Location n/a - Yes n/a -
Water-Resistant - - - Yes
IPX7 (snorkeling)
-
Accessibility
Adjustable Text Size n/a - Yes n/a -
Hearing Aid Compatible Yes - Yes Yes -
Multiple Languages n/a Yes - n/a Yes
TTY/TDD (Digital) Yes - Yes Yes Yes
Alerts
Ringer Profiles - - Yes - -
Connectivity
Bluetooth Yes - - Yes -
Mobile Hotspot n/a - - n/a -
NFC - - - Yes -
USB Yes
Micro-USB
- - 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 Yes n/a Yes
Voice Dialing n/a - Yes n/a -
Customization
Custom Graphics n/a Yes Yes n/a Yes
Custom Ringtones n/a Yes Yes n/a Yes
Real-Music Ringers n/a - - n/a -
Data & Network
Data Tethering n/a - Yes n/a Yes
WAP / Web Browser n/a Yes Yes n/a Yes
Input
Predictive Text Entry n/a Yes Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen Yes - - Yes -
Memory
Memory Card Slot Yes - - - -
Messaging
Email Client n/a - - n/a -
EMS / Picture Messaging n/a Yes - n/a Yes
Instant Messaging n/a - - n/a Yes
MMS n/a Yes Yes n/a Yes
Text Messaging Templates n/a Yes Yes n/a Yes
Music
FM Radio Yes - - - -
Headphone Jack (3.5mm) Yes - - - -
Music Player n/a - - n/a -
Stereo Speakers - - - Yes -
Photo & Video
DLNA Yes - - - -
TV Output - - - Yes -
Power
Fast Charging - - - Yes -
Wireless Charging - - - Yes -
Productivity
Alarm n/a Yes - n/a Yes
Calculator n/a Yes - n/a Yes
Calendar n/a Yes Yes n/a Yes
To-Do List n/a Yes - n/a -
Voice Memo n/a Yes Yes n/a -
Software
Games n/a Yes - n/a Yes
Java (J2ME) n/a Yes Yes n/a Yes
Voice
HD Voice - - - Yes -
Headset Jack (2.5 mm) n/a Yes Yes n/a Yes
Push-To-Talk - - Yes - -
Speaker Phone Yes Yes Yes Yes -
  * Some versions only
  Nokia Lumia 635 (CDMA) Samsung SGH-X640 Motorola i670 Apple iPhone X LG C1300 / G4015
  X > < X > < X > < X > < X

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

 
Phone Nokia Lumia 635 (CDMA) Samsung SGH-X640 Motorola i670 Apple iPhone X LG C1300 / G4015

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