Compare Phones
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| Phone | Samsung SGH-X640 | Sanyo SCP-2400 | Apple iPhone 4 (CDMA) | ZTE Blade Spark | Siemens A56 / A56i |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? |
3.5" diag. 5 : 3 |
5.5" diag. 16 : 9 |
? |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
128 x 160 pixels LCD (STN) |
640 x 960 pixels (~330 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~267 ppi) LCD (TFT/TFD) |
101 x 64 pixels |
| Display Refresh | ? | ? | 60 Hz | 60 Hz | ? |
| Battery | 800 mAh | ? | ? | 3,140 mAh | 700 mAh |
| Processor | ? | ? | ? | 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) | ? |
| RAM | ? | ? | ? | 2 GB | ? |
| Storage | ? raw hardware | ? raw hardware | 8 GB * | 16 GB | ? raw hardware |
| Main Camera | Yes | - | 5 megapixel | 13 megapixel | - |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | - | 720p HD | 1080p HD | - |
| Front Camera | - | - | Yes | 5 megapixel | - |
| Weight |
3 oz (85g) |
3.5 oz (99g) |
4.8 oz (136g) |
6.12 oz (173g) |
3 oz (85g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
3.31" x 1.83" x 1.01" (84 x 46 x 25.7 mm) |
4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm) |
6.14" x 3.06" x 0.38" (156 x 78 x 9.7 mm) |
4" x 1.7" x 0.8" (102 x 43 x 20.3 mm) |
| Form Factor | Clamshell | Clamshell | Slab | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | iOS | Android | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
GSM: 850, 1900 |
|
| Data Technology | GPRS | 1xRTT | EVDO rA | LTE (Cat 4) | - |
| Features | |||||
| Fingerprint Reader | - | - | - |
Yes stand-alone |
- |
| Flashlight | - | - | - | Yes | - |
| GPS / Location | - | Yes | n/a | n/a | Yes |
| Accessibility | |||||
| Adjustable Text Size | - | - | n/a | n/a | - |
| Hearing Aid Compatible | - |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | Yes | Yes | n/a | n/a | - |
| TTY/TDD (Digital) | - | Yes | - | Yes | Yes |
| Alerts | |||||
| Extra Display | - | Yes | - | - | - |
| Ringer Profiles | - | - | - | - | Yes |
| Connectivity | |||||
| Bluetooth | - | - | Yes | Yes | - |
| Mobile Hotspot | - | - | n/a | n/a | - |
| USB | - | Yes | Yes |
Yes USB Type C |
- |
| Wi-Fi | - | - |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | |||||
| Picture ID | Yes | Yes | n/a | n/a | Yes |
| Ringer ID | Yes | Yes | n/a | n/a | Yes |
| Voice Dialing | - | Yes | n/a | n/a | - |
| Customization | |||||
| Changeable Body Plates | - | - | - | - | Yes |
| Custom Graphics | Yes | Yes | n/a | n/a | Yes |
| Custom Ringtones | Yes | Yes | n/a | n/a | Yes |
| Real-Music Ringers | - | - | n/a | n/a | - |
| Data & Network | |||||
| Data Tethering | - | Yes | n/a | n/a | - |
| WAP / Web Browser | Yes | Yes | n/a | n/a | Yes |
| Input | |||||
| Predictive Text Entry | Yes | Yes | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | - |
| Touch Screen | - | - |
Yes Capacitive |
Yes Capacitive |
- |
| Memory | |||||
| Memory Card Slot | - | - | - | Yes | - |
| Messaging | |||||
| Email Client | - | - | n/a | n/a | - |
| EMS / Picture Messaging | Yes | - | n/a | n/a | Yes |
| MMS | Yes | - | n/a | n/a | - |
| Text Messaging Templates | Yes | Yes | n/a | n/a | - |
| Music | |||||
| Headphone Jack (3.5mm) | - | - | Yes | Yes | - |
| Music Player | - | - | n/a | n/a | - |
| Photo & Video | |||||
| TV Output | - | - | Yes | - | - |
| Video Calling | - | - | n/a | n/a | - |
| Productivity | |||||
| Alarm | Yes | Yes | n/a | n/a | Yes |
| Calculator | Yes | Yes | n/a | n/a | Yes |
| Calendar | Yes | Yes | n/a | n/a | - |
| To-Do List | Yes | - | n/a | n/a | - |
| Voice Memo | Yes | Yes | n/a | n/a | - |
| Software | |||||
| Games | Yes | Yes | n/a | n/a | Yes |
| Java (J2ME) | Yes | Yes | n/a | n/a | - |
| Voice | |||||
| Call Screening | - | Yes | - | - | - |
| HD Voice | - | - | - | Yes | - |
| Headset Jack (2.5 mm) | Yes | Yes | n/a | n/a | - |
| Push-To-Talk | - | Yes | - | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes | - |
| Samsung SGH-X640 | Sanyo SCP-2400 | Apple iPhone 4 (CDMA) | ZTE Blade Spark | Siemens A56 / A56i | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Sanyo SCP-2400 | Apple iPhone 4 (CDMA) | ZTE Blade Spark | Siemens A56 / A56i |
