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Phone Samsung Knack U310 Samsung Saga i770 Sanyo MM-5600 HTC HD7 / HD7S
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2.2" diag.
4 : 3
2.6" diag.
1 : 1
? 4.3" diag.
5 : 3
Display Resolution & Type 176 x 220 pixels
(~128 ppi)
LCD (TFT/TFD)
320 x 320 pixels
(~177 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
480 x 800 pixels
(~217 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery 1,000 mAh 1,300 mAh 1,000 mAh 1,230 mAh
Processor ? 384 MHz MSM7500 ? 1 GHz Qualcomm Snapdragon S1 QSD8250
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware 16 GB
Main Camera - 2 megapixel 1 megapixel 5 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture - QVGA (320 x 240) ? 720p HD
Front Camera - - - -
Weight 3.63 oz
(103g)
4.59 oz
(130g)
4.52 oz
(128g)
5.71 oz
(162g)
Dimensions 3.78" x 2.01" x 0.74"
(96 x 51 x 18.8 mm)
4.88" x 2.44" x 0.53"
(124 x 62 x 13.5 mm)
3.66" x 1.91" x 1.04"
(93 x 49 x 26.4 mm)
4.8" x 2.7" x 0.44"
(122 x 69 x 11.2 mm)
Form Factor Clamshell Slab Clamshell Slab
Platform / OS (proprietary) Windows Mobile Professional (proprietary) Windows
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

*

Data Technology - EVDO rA 1xRTT HSPA 7.2
Features 
Flashlight - - Yes -
GPS / Location Yes n/a Yes n/a
Accessibility
Adjustable Text Size Yes n/a - n/a
Hearing Aid Compatible Yes Yes Yes -
Multiple Languages Yes n/a Yes n/a
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Extra Display Yes - Yes -
Connectivity
Bluetooth - Yes - Yes
USB - Yes Yes Yes
Micro-USB
Wi-Fi - Yes
802.11 b,g
- Yes
4 (802.11 b,g,n)
Contacts
Picture ID - n/a Yes n/a
Ringer ID - n/a Yes n/a
Voice Dialing Yes n/a Yes n/a
Customization
Custom Graphics - n/a Yes n/a
Custom Ringtones - n/a Yes n/a
Real-Music Ringers - n/a Yes n/a
Data & Network
Data Tethering - n/a - n/a
WAP / Web Browser - n/a Yes n/a
Input
Predictive Text Entry Yes n/a Yes n/a
Side Keys Yes Yes Yes Yes
Stylus - Yes - -
Text Keyboard, Hardware - Yes - -
Touch Screen - Yes - Yes
Memory
Memory Card Slot - Yes Yes -
Messaging
Email Client - n/a - n/a
EMS / Picture Messaging Yes n/a - n/a
Instant Messaging - n/a - n/a
MMS - n/a - n/a
Text Messaging Templates - n/a - n/a
Music
FM Radio - - - Yes
Headphone Jack (3.5mm) - - - Yes
Music Player - n/a Yes n/a
Stereo Speakers - - - Yes
Productivity
Alarm Yes n/a Yes n/a
Calculator Yes n/a Yes n/a
Calendar Yes n/a Yes n/a
To-Do List - n/a Yes n/a
Voice Memo - n/a Yes n/a
Software
Games - n/a Yes n/a
Java (J2ME) - n/a Yes n/a
Voice
Call Screening - - Yes -
Headset Jack (2.5 mm) Yes n/a Yes n/a
Push-To-Talk - - Yes -
Speaker Phone Yes Yes Yes Yes
  Samsung Knack U310 Samsung Saga i770 Sanyo MM-5600 HTC HD7 / HD7S
  X > < X > < X > < X

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

 
Phone Samsung Knack U310 Samsung Saga i770 Sanyo MM-5600 HTC HD7 / HD7S

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