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Phone | Samsung SGH-X640 | LG AX-490 | Sharp Sidekick LX 2007 | Apple iPhone 4 (GSM) |
Current U.S. Carriers | (none) | (none) | (none) | (none) |
Global Availability | Released | Released | Released | Released |
Specifications | ||||
---|---|---|---|---|
Display Size | ? | ? |
3" diag. 5 : 3 |
3.5" diag. 5 : 3 |
Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
400 x 240 pixels (~155 ppi) LCD (TFT/TFD) |
640 x 960 pixels (~330 ppi) LCD (TFT/TFD) |
Display Refresh | ? | ? | ? | 60 Hz |
Battery | 800 mAh | 1,100 mAh | 1,540 mAh | ? |
Processor | ? | ? | 200 MHz OMAP 331 | Apple A4 |
RAM | ? | ? | ? | ? |
Storage | ? raw hardware | ? raw hardware | ? raw hardware | 32 GB * |
Main Camera | Yes | Yes | 1 megapixel | 5 megapixel |
Wide Camera | - | - | - | - |
Tele Camera | - | - | - | - |
Video Capture | - | - | ? | 720p HD |
Front Camera | - | - | - | Yes |
Weight |
3 oz (85g) |
3.79 oz (107g) |
5.7 oz (162g) |
4.8 oz (136g) |
Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
3.74" x 1.92" x 1" (95 x 49 x 25.4 mm) |
5.12" x 2.36" x 0.7" (130 x 60 x 17.9 mm) |
4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm) |
Form Factor | Clamshell | Clamshell | Swivel | Slab |
Platform / OS | (proprietary) | (proprietary) | (proprietary) | iOS |
Network Bands |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900 |
Data Technology | GPRS | 1xRTT | EDGE | HSPA 7.2 |
Features | ||||
Flashlight | - | - | Yes | - |
GPS / Location | - | Yes | - | n/a |
Accessibility | ||||
Adjustable Text Size | - | - | Yes | n/a |
Hearing Aid Compatible | - |
Yes M3 (mostly compatible) |
Yes M3 (mostly compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Multiple Languages | Yes | Yes | - | n/a |
TTY/TDD (Digital) | - | Yes | - | Yes |
Alerts | ||||
Extra Display | - | Yes | - | - |
Ringer Profiles | - | - | Yes | - |
Connectivity | ||||
Bluetooth | - | Yes | Yes | Yes |
Mobile Hotspot | - | - | - | n/a |
USB | - | Yes | Yes | Yes |
Wi-Fi | - | - | - |
Yes 4 (802.11 b,g,n) |
Contacts | ||||
Picture ID | Yes | Yes | Yes | n/a |
Ringer ID | Yes | Yes | Yes | n/a |
Voice Dialing | - | Yes | - | n/a |
Customization | ||||
Custom Graphics | Yes | Yes | Yes | n/a |
Custom Ringtones | Yes | Yes | Yes | n/a |
Real-Music Ringers | - | Yes | Yes | n/a |
Data & Network | ||||
Data Tethering | - | Yes | - | n/a |
WAP / Web Browser | Yes | Yes | Yes | n/a |
Input | ||||
Predictive Text Entry | Yes | - | - | n/a |
Side Keys | Yes | Yes | Yes | Yes |
Text Keyboard, Hardware | - | Yes | Yes | - |
Touch Screen | - | - | - |
Yes Capacitive |
Memory | ||||
Memory Card Slot | - | - | Yes | - |
Messaging | ||||
Email Client | - | - | Yes | n/a |
EMS / Picture Messaging | Yes | - | - | n/a |
Instant Messaging | - | - | Yes | n/a |
MMS | Yes | Yes | Yes | n/a |
Text Messaging Templates | Yes | Yes | Yes | n/a |
Music | ||||
Headphone Jack (3.5mm) | - | - | Yes | Yes |
Music Player | - | - | Yes | n/a |
Stereo Speakers | - | Yes | - | - |
Photo & Video | ||||
TV Output | - | - | - | Yes |
Productivity | ||||
Alarm | Yes | Yes | Yes * | n/a |
Calculator | Yes | Yes | - | n/a |
Calendar | Yes | Yes | Yes | n/a |
To-Do List | Yes | - | Yes | n/a |
Voice Memo | Yes | Yes | - | n/a |
Software | ||||
BREW | - | Yes | - | n/a |
Games | Yes | Yes | Yes | n/a |
Java (J2ME) | Yes | - | Yes | n/a |
Voice | ||||
Headset Jack (2.5 mm) | Yes | Yes | - | n/a |
Speaker Phone | Yes | Yes | Yes | Yes |
* Some versions only | ||||
Samsung SGH-X640 | LG AX-490 | Sharp Sidekick LX 2007 | Apple iPhone 4 (GSM) |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
Phone | Samsung SGH-X640 | LG AX-490 | Sharp Sidekick LX 2007 | Apple iPhone 4 (GSM) |