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Phone Samsung Galaxy Reverb CAT S61 Ericsson R520 Ericsson T66 Motorola Rival A455
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 4" diag.
5 : 3
5.2" diag.
16 : 9
? ? 2.2" diag.
4 : 3
Display Resolution & Type 480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
1080 x 1920 pixels
(~424 ppi)
LCD (TFT/TFD)
? ? 176 x 220 pixels
(~131 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz ? ? ?
Battery 1,700 mAh 4,500 mAh ? ? 940 mAh
Processor 1.4 GHz Qualcomm S2 MSM8655 2.2 GHz Qualcomm Snapdragon 630 ? ? ?
RAM 768 MB 4 GB ? ? ?
Storage 4 GB 64 GB ? raw hardware ? raw hardware ? raw hardware
Main Camera 5 megapixel 16 megapixel - - 2 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture WVGA / 480p 4K UHD - - QVGA (320 x 240)
Front Camera 1 megapixel 8 megapixel - - -
Weight 4.54 oz
(129g)
9.03 oz
(256g)
4.23 oz
(120g)
2.08 oz
(59g)
4.48 oz
(127g)
Dimensions 4.82" x 2.53" x 0.44"
(122 x 64 x 11.3 mm)
5.91" x 2.99" x 0.51"
(150 x 76 x 13 mm)
5.12" x 1.97" x 0.63"
(130 x 50 x 16 mm)
3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
3.82" x 1.96" x 0.73"
(97 x 50 x 18.5 mm)
Form Factor Slab Slab Slab Slab Slide
Platform / OS Android Android (proprietary) (proprietary) (proprietary)
Network Bands

CDMA: 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 25, 26, 28, 29, 66

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

GSM: 900, 1800, 1900

CDMA: 850, 1900

Data Technology EVDO rA LTE (Cat 13) GPRS - EVDO r0
Features 
Barometer - Yes - - -
Flashlight - Yes - - -
GPS / Location n/a n/a - - Yes
Ruggedized - Yes - - -
Water-Resistant - Yes
IPX8 (SCUBA)
- - -
Accessibility
Adjustable Text Size n/a n/a - - -
Hearing Aid Compatible Yes Yes - - Yes
Multiple Languages n/a n/a Yes Yes Yes
TTY/TDD (Digital) Yes - - - Yes
Alerts
Ringer Profiles - - Yes Yes -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
HSP, Sync, OPP, DUN
- Yes
Classic Audio
Infrared (IR) - - Yes - -
NFC - Yes - - -
USB Yes Yes
USB Type C
- - Yes
Micro-USB
Wi-Fi Yes
4 (802.11 a,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
- - -
Contacts
Picture ID n/a n/a - - Yes
Ringer ID n/a n/a - - Yes
Voice Dialing n/a n/a Yes - Yes
Customization
Custom Graphics n/a n/a - Yes Yes
Custom Ringtones n/a n/a Yes Yes Yes
Real-Music Ringers n/a n/a - - Yes
Data & Network
Data Tethering n/a n/a Yes - Yes
Dual-SIM - Yes * - - -
WAP / Web Browser n/a n/a Yes Yes Yes
Input
Predictive Text Entry n/a n/a Yes Yes -
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - - Yes
Touch Screen Yes Yes - - Yes
Memory
Memory Card Slot Yes Yes - - Yes
Messaging
Email Client n/a n/a - - Yes
EMS / Picture Messaging n/a n/a - Yes Yes
Instant Messaging n/a n/a - - Yes
MMS n/a n/a - - Yes
Text Messaging Templates n/a n/a Yes Yes Yes
Music
FM Radio - Yes - - -
Headphone Jack (3.5mm) Yes Yes - - Yes
Music Player n/a n/a - - Yes
Power
Fast Charging - Yes - - -
Productivity
Alarm n/a n/a Yes Yes Yes
Calculator n/a n/a Yes Yes Yes
Calendar n/a n/a Yes Yes Yes
To-Do List n/a n/a - Yes -
Voice Memo n/a n/a Yes - Yes
Software
BREW n/a n/a - - Yes
Games n/a n/a Yes Yes Yes
Voice
Speaker Phone Yes Yes Yes - Yes
  * Some versions only
  Samsung Galaxy Reverb CAT S61 Ericsson R520 Ericsson T66 Motorola Rival A455
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Galaxy Reverb CAT S61 Ericsson R520 Ericsson T66 Motorola Rival A455

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