Compare Phones
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| Phone | Apple iPhone 4 (CDMA) | AT&T Cingular Flip IV / Cricket Debut Flip | ZTE Engage LT / Engage MT | Samsung SGH-X640 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
3.5" diag. 5 : 3 |
2.8" diag. 4 : 3 |
4" diag. 5 : 3 |
? |
| Display Resolution & Type |
640 x 960 pixels (~330 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~143 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | 60 Hz | ? |
| Battery | ? | 1,450 mAh | 1,900 mAh | 800 mAh |
| Processor | ? | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) | ? | ? |
| RAM | ? | 512 MB | 1 GB | ? |
| Storage | 8 GB * | 4 GB | 4 GB | ? raw hardware |
| Main Camera | 5 megapixel | 2 megapixel | 3 megapixel | Yes |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 720p HD | WVGA / 480p | WVGA / 480p | - |
| Front Camera | Yes | - | Yes | - |
| Weight |
4.8 oz (136g) |
4.59 oz (130g) |
5.09 oz (144g) |
3 oz (85g) |
| Dimensions |
4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm) |
4.13" x 2.14" x 0.74" (105 x 54 x 18.9 mm) |
4.78" x 2.54" x 0.46" (121 x 64 x 11.7 mm) |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
| Form Factor | Slab | Clamshell | Slab | Clamshell |
| Platform / OS | iOS | (proprietary) | Android | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 2, 4, 5, 12, 14 WCDMA: 2, 4, 5 |
CDMA: 850, 1700, 1900 |
GSM: 900, 1800, 1900 |
| Data Technology | EVDO rA | LTE (Cat 4) | EVDO rA | GPRS |
| Features | ||||
| GPS / Location | n/a | Yes | n/a | - |
| Accessibility | ||||
| Adjustable Text Size | n/a | Yes | n/a | - |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
- | - |
| Multiple Languages | n/a | Yes | n/a | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | - |
| Alerts | ||||
| Extra Display | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | - |
| Mobile Hotspot | n/a | Yes | n/a | - |
| USB | Yes |
Yes Micro-USB |
Yes Micro-USB |
- |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 b,g,n) |
Yes | - |
| Contacts | ||||
| Picture ID | n/a | Yes | n/a | Yes |
| Ringer ID | n/a | - | n/a | Yes |
| Voice Dialing | n/a | Yes | n/a | - |
| Customization | ||||
| Custom Graphics | n/a | Yes | n/a | Yes |
| Custom Ringtones | n/a | Yes | n/a | Yes |
| Real-Music Ringers | n/a | Yes | n/a | - |
| Data & Network | ||||
| Data Tethering | n/a | - | n/a | - |
| WAP / Web Browser | n/a | Yes | n/a | Yes |
| Input | ||||
| Predictive Text Entry | n/a | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
- |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | - |
| Messaging | ||||
| Email Client | n/a | Yes | n/a | - |
| EMS / Picture Messaging | n/a | - | n/a | Yes |
| Instant Messaging | n/a | - | n/a | - |
| MMS | n/a | Yes | n/a | Yes |
| Text Messaging Templates | n/a | - | n/a | Yes |
| Music | ||||
| FM Radio | - | Yes | - | - |
| Headphone Jack (3.5mm) | Yes | Yes | Yes | - |
| Music Player | n/a | Yes | n/a | - |
| Photo & Video | ||||
| TV Output | Yes | - | - | - |
| Video Calling | n/a | - | n/a | - |
| Productivity | ||||
| Alarm | n/a | Yes | n/a | Yes |
| Calculator | n/a | Yes | n/a | Yes |
| Calendar | n/a | Yes | n/a | Yes |
| To-Do List | n/a | - | n/a | Yes |
| Voice Memo | n/a | Yes | n/a | Yes |
| Software | ||||
| Games | n/a | Yes | n/a | Yes |
| Java (J2ME) | n/a | - | n/a | Yes |
| Voice | ||||
| HD Voice | - | Yes | - | - |
| Headset Jack (2.5 mm) | n/a | - | n/a | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Apple iPhone 4 (CDMA) | AT&T Cingular Flip IV / Cricket Debut Flip | ZTE Engage LT / Engage MT | Samsung SGH-X640 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Apple iPhone 4 (CDMA) | AT&T Cingular Flip IV / Cricket Debut Flip | ZTE Engage LT / Engage MT | Samsung SGH-X640 |
