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Phone Samsung SGH-X640 Alcatel Idol 5S Samsung SCH-A990 Sony Xperia Z1 / Z1s ZTE Speed
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Not yet released Released Released Released
Specifications 
Display Size ? 5.2" diag.
16 : 9
? 5" diag.
16 : 9
4.5" diag.
16 : 9
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
1080 x 1920 pixels
(~424 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
1080 x 1920 pixels
(~441 ppi)
LCD (TFT/TFD)
540 x 960 pixels
(~245 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? 60 Hz 60 Hz
Battery 800 mAh 2,620 mAh 1,000 mAh 3,000 mAh 2,000 mAh
Processor ? 2 GHz Qualcomm Snapdragon 625 (MSM8953) ? 2.2 GHz Qualcomm Snapdragon 800 MSM8974 1.2 GHz Qualcomm Snapdragon 410 MSM8916
RAM ? 3 GB ? 2 GB 1 GB
Storage ? raw hardware 32 GB ? raw hardware 32 GB * 8 GB
Main Camera Yes 12 megapixel 3 megapixel 20 megapixel 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - 1080p HD ? 1080p HD 720p HD
Front Camera - 8 megapixel - 2 megapixel 2 megapixel
Weight 3 oz
(85g)
5.14 oz
(146g)
4.4 oz
(125g)
5.96 oz
(169g)
4.8 oz
(136g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
5.85" x 2.79" x 0.29"
(149 x 71 x 7.4 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
5.69" x 2.91" x 0.33"
(144 x 74 x 8.5 mm)
5.3" x 2.6" x 0.4"
(135 x 66 x 10.2 mm)
Form Factor Clamshell Slab Clamshell Slab Slab
Platform / OS (proprietary) Android (proprietary) Android Android
Network Bands

GSM: 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 17, 25, 26, 41, 66

WCDMA: 1, 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

4G LTE: 4, 17

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

*

4G LTE: 25, 26, 41

CDMA: 800, 850, 1900

Data Technology GPRS LTE (Cat 6) EVDO r0 HSPA+ 42 LTE (Cat 3)
Features 
Fingerprint Reader - Yes
stand-alone
- - -
Flashlight - Yes Yes - -
GPS / Location - n/a Yes n/a n/a
Ruggedized - - - Yes -
Water-Resistant - - - Yes -
Accessibility
Adjustable Text Size - n/a - n/a n/a
Hearing Aid Compatible - Yes
M4, T3 (mostly tele-coil compatible)
Yes
M3 (mostly compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T4 (very tele-coil compatible)
Multiple Languages Yes n/a Yes n/a n/a
TTY/TDD (Digital) - Yes Yes Yes Yes
Alerts
Extra Display - - Yes - -
Connectivity
Bluetooth - Yes Yes Yes Yes
MirrorLink - - - Yes -
Mobile Hotspot - n/a - n/a n/a
NFC - - - Yes -
USB - Yes
Micro-USB
Yes Yes
Micro-USB
Yes
Micro-USB
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes n/a Yes n/a n/a
Ringer ID Yes n/a Yes n/a n/a
Voice Dialing - n/a Yes n/a n/a
Customization
Custom Graphics Yes n/a Yes n/a n/a
Custom Ringtones Yes n/a Yes n/a n/a
Real-Music Ringers - n/a Yes n/a n/a
Data & Network
Data Tethering - n/a Yes n/a n/a
WAP / Web Browser Yes n/a Yes n/a n/a
Input
Predictive Text Entry Yes n/a Yes n/a n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen - Yes
Capacitive
- Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot - Yes Yes Yes Yes
Messaging
Email Client - n/a - n/a n/a
EMS / Picture Messaging Yes n/a Yes n/a n/a
Instant Messaging - n/a - n/a n/a
MMS Yes n/a Yes n/a n/a
Text Messaging Templates Yes n/a Yes n/a n/a
Music
FM Radio - Yes - Yes -
Headphone Jack (3.5mm) - Yes - Yes Yes
Music Player - n/a Yes n/a n/a
Stereo Speakers - Yes Yes - -
Photo & Video
DLNA - - - Yes -
Miracast - - - Yes -
TV Output - - Yes Yes -
Productivity
Alarm Yes n/a Yes n/a n/a
Calculator Yes n/a Yes n/a n/a
Calendar Yes n/a Yes n/a n/a
To-Do List Yes n/a - n/a n/a
Voice Memo Yes n/a Yes n/a n/a
Software
BREW - n/a Yes n/a n/a
Games Yes n/a Yes n/a n/a
Java (J2ME) Yes n/a - n/a n/a
Voice
HD Voice - Yes - - Yes
Headset Jack (2.5 mm) Yes n/a - n/a n/a
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SGH-X640 Alcatel Idol 5S Samsung SCH-A990 Sony Xperia Z1 / Z1s ZTE Speed
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 Alcatel Idol 5S Samsung SCH-A990 Sony Xperia Z1 / Z1s ZTE Speed

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