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Phone Samsung SGH-X640 Samsung SGH-T809 / SGH-D820 HP Veer Samsung Galaxy Core Prime (GSM) Samsung SCH-U620
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 2.6" diag.
4 : 3
4.5" diag.
5 : 3
?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
320 x 400 pixels
(~197 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~207 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz ?
Battery 800 mAh ? 910 mAh 2,000 mAh 1,000 mAh
Processor ? ? 800 MHz Qualcomm S2 MSM7230 1.2 GHz Qualcomm Snapdragon 410 MSM8916 ?
RAM ? ? ? 1 GB ?
Storage ? raw hardware ? raw hardware ? raw hardware 8 GB ? raw hardware
Main Camera Yes 1 megapixel 5 megapixel 5 megapixel 1 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - CIF (352 x 288) VGA (640 x 480) 720p HD QVGA (320 x 240)
Front Camera - - - 2 megapixel -
Weight 3 oz
(85g)
3.35 oz
(95g)
3.63 oz
(103g)
4.27 oz
(121g)
3.74 oz
(106g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
3.9" x 2" x 0.58"
(99 x 51 x 14.7 mm)
3.31" x 2.15" x 0.59"
(84 x 55 x 15 mm)
5.16" x 2.68" x 0.35"
(131 x 68 x 8.9 mm)
3.78" x 1.85" x 0.87"
(96 x 47 x 22.1 mm)
Form Factor Clamshell Slide Slide Slab Slide
Platform / OS (proprietary) (proprietary) (proprietary) Android (proprietary)
Network Bands

GSM: 900, 1800, 1900

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology GPRS EDGE HSPA 14.4 LTE (Cat 3) EVDO r0
Features 
Flashlight - - - Yes -
GPS / Location - - Yes n/a Yes
Accessibility
Adjustable Text Size - - - n/a -
Hearing Aid Compatible - Yes - Yes Yes
Multiple Languages Yes Yes Yes n/a Yes
TTY/TDD (Digital) - Yes - Yes Yes
Connectivity
Bluetooth -
Yes
Classic Audio
Yes
Yes
Classic Audio
Yes
Classic Audio
Mobile Hotspot - - Yes n/a -
USB - Yes Yes Yes
Micro-USB
Yes
Wi-Fi - - Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID Yes Yes Yes n/a Yes
Ringer ID Yes Yes Yes n/a Yes
Voice Dialing - - Yes n/a Yes
Customization
Custom Graphics Yes Yes Yes n/a Yes
Custom Ringtones Yes Yes Yes n/a Yes
Real-Music Ringers - Yes Yes n/a -
Data & Network
Data Tethering - Yes Yes n/a -
WAP / Web Browser Yes Yes Yes n/a Yes
Input
Predictive Text Entry Yes Yes - n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes - -
Touch Screen - - Yes Yes -
Memory
Memory Card Slot - Yes - Yes Yes
Messaging
Email Client - - Yes n/a -
EMS / Picture Messaging Yes Yes - n/a -
Instant Messaging - Yes Yes n/a Yes
MMS Yes Yes Yes n/a Yes
Text Messaging Templates Yes Yes - n/a Yes
Music
Headphone Jack (3.5mm) - - - Yes -
Music Player - Yes Yes n/a Yes
Stereo Speakers - Yes - - Yes
Power
Fast Charging - - - Yes -
Productivity
Alarm Yes Yes Yes n/a Yes
Calculator Yes Yes Yes n/a Yes
Calendar Yes Yes Yes n/a Yes
To-Do List Yes Yes Yes n/a -
Voice Memo Yes Yes - n/a Yes
Software
BREW - - - n/a Yes
Games Yes Yes Yes n/a Yes
Java (J2ME) Yes Yes - n/a -
Voice
HD Voice - - - Yes -
Headset Jack (2.5 mm) Yes - - n/a Yes
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SGH-X640 Samsung SGH-T809 / SGH-D820 HP Veer Samsung Galaxy Core Prime (GSM) Samsung SCH-U620
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 Samsung SGH-T809 / SGH-D820 HP Veer Samsung Galaxy Core Prime (GSM) Samsung SCH-U620

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