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Phone HTC EVO Design 4G / Hero S (CDMA) Motorola Droid Ultra HTC G2 ZTE Z221 Motorola KRZR K1
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 4" diag.
16 : 9
5" diag.
16 : 9
3.7" diag.
5 : 3
2" diag.
4 : 3
?
Display Resolution & Type 540 x 960 pixels
(~275 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~294 ppi)
AMOLED
480 x 800 pixels
(~252 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz 60 Hz ? ?
Battery 1,520 mAh 2,130 mAh 1,300 mAh 900 mAh 780 mAh
Processor 1.2 GHz Qualcomm Snapdragon S2 MSM8655 1.7 GHz Qualcomm Snapdragon S4 Pro MSM8960T 800 MHz Qualcomm S2 MSM7230 ? ?
RAM 768 MB 2 GB ? ? ?
Storage 4 GB 16 GB ? raw hardware 142 MB ? raw hardware
Main Camera 5 megapixel 10 megapixel 5 megapixel Yes 2 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 720p HD 1080p HD 720p HD QCIF (176 x 144) ?
Front Camera 1 megapixel 2 megapixel - - -
Weight 5.22 oz
(148g)
4.83 oz
(137g)
6.5 oz
(184g)
3.24 oz
(92g)
3.6 oz
(102g)
Dimensions 4.78" x 2.44" x 0.46"
(122 x 62 x 11.8 mm)
5.41" x 2.8" x 0.28"
(137 x 71 x 7.2 mm)
4.68" x 2.37" x 0.55"
(119 x 60 x 14 mm)
3.76" x 1.92" x 0.73"
(96 x 49 x 18.5 mm)
4.05" x 1.65" x 0.63"
(103 x 42 x 16 mm)
Form Factor Slab Slab Slab Clamshell Clamshell
Platform / OS Android Android Android (proprietary) (proprietary)
Network Bands

4G WiMAX: 41

WCDMA: 1, 8

CDMA: 800, 850, 1900

GSM: 850, 1900

*

4G LTE: 4, 13

WCDMA: 1, 2, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

GSM: 850, 900, 1800, 1900

Data Technology WiMAX LTE (Cat 3) HSPA 14.4 HSDPA 3.6 EDGE
Features 
Flashlight Yes - - - -
GPS / Location n/a n/a n/a Yes -
Accessibility
Adjustable Text Size n/a n/a n/a - -
Hearing Aid Compatible Yes Yes Yes Yes -
Multiple Languages n/a n/a n/a Yes Yes
TTY/TDD (Digital) Yes Yes - Yes Yes
Alerts
Extra Display - - - Yes Yes
Ringer Profiles - - - Yes Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Mobile Hotspot n/a n/a n/a - -
NFC - Yes - - -
USB Yes
Micro-USB
Yes
Micro-USB
Yes Yes Yes
Wi-Fi Yes
4 (802.11 b,g,n)
Yes
4 (802.11 a,b,g,n)
Yes
4 (802.11 b,g,n)
- -
Contacts
Picture ID n/a n/a n/a - Yes
Ringer ID n/a n/a n/a - Yes
Voice Dialing n/a n/a n/a - Yes
Customization
Custom Graphics n/a n/a n/a Yes Yes
Custom Ringtones n/a n/a n/a Yes Yes
Real-Music Ringers n/a n/a n/a Yes -
Data & Network
Data Tethering n/a n/a n/a - Yes
WAP / Web Browser n/a n/a n/a Yes Yes
Input
Predictive Text Entry n/a 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 n/a Yes Yes
EMS / Picture Messaging n/a n/a n/a - Yes
Instant Messaging n/a n/a n/a Yes -
MMS n/a n/a n/a Yes Yes
Text Messaging Templates n/a n/a n/a Yes Yes
Music
FM Radio Yes - - - -
Headphone Jack (3.5mm) Yes Yes Yes - -
Music Player n/a n/a n/a - Yes
Photo & Video
DLNA Yes - - - -
Miracast - Yes - - -
Productivity
Alarm n/a n/a n/a Yes Yes
Calculator n/a n/a n/a Yes Yes
Calendar n/a n/a n/a Yes Yes
Voice Memo n/a n/a n/a Yes Yes
Software
Games n/a n/a n/a Yes Yes
Java (J2ME) n/a n/a n/a Yes Yes
Voice
Push-To-Talk - - - - Yes *
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  HTC EVO Design 4G / Hero S (CDMA) Motorola Droid Ultra HTC G2 ZTE Z221 Motorola KRZR K1
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone HTC EVO Design 4G / Hero S (CDMA) Motorola Droid Ultra HTC G2 ZTE Z221 Motorola KRZR K1

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