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| Phone | Samsung SGH-X640 | Motorola RAZR V3c | Ericsson R520 | Motorola i1 | Cricket Debut S2 / AT&T Calypso 4 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | AT&T |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? | ? |
3.1" diag. 5 : 3 |
6.1" diag. 19.5 : 9 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
? |
320 x 480 pixels (~186 ppi) LCD (TFT/TFD) |
720 x 1560 pixels (~282 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz | 60 Hz |
| Battery | 800 mAh | 740 mAh | ? | 1,400 mAh | 3,000 mAh |
| Processor | ? | ? | ? | 504 MHz Freescale Zeus 2.0 ARM1136 | 2 GHz MediaTek Helio A22 (MT6761WB) |
| RAM | ? | ? | ? | ? | 3 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | 64 GB |
| Main Camera | Yes | 1 megapixel | - | 5 megapixel | 8 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | ? | - | CIF (352 x 288) | ? |
| Front Camera | - | - | - | - | 5 megapixel |
| Weight |
3 oz (85g) |
3.49 oz (99g) |
4.23 oz (120g) |
4.63 oz (131g) |
5.64 oz (160g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
3.9" x 2.1" x 0.6" (99 x 53 x 15.2 mm) |
5.12" x 1.97" x 0.63" (130 x 50 x 16 mm) |
4.65" x 2.28" x 0.5" (118 x 58 x 12.8 mm) |
6.11" x 2.87" x 0.34" (155 x 73 x 8.6 mm) |
| Form Factor | Clamshell | Clamshell | Slab | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | Android | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 |
GSM: 900, 1800, 1900 |
iDEN: 800 |
4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30, 66 WCDMA: 1, 2, 4, 5, 8 |
| Data Technology | GPRS | EVDO r0 | GPRS | - | LTE (Cat 4) |
| Features | |||||
| Flashlight | - | - | - | - | Yes |
| GPS / Location | - | Yes | - | n/a | n/a |
| Ruggedized | - | - | - | Yes | - |
| Accessibility | |||||
| Hearing Aid Compatible | - |
Yes M3 (mostly compatible) |
- |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | Yes | Yes | n/a | n/a |
| TTY/TDD (Digital) | - | Yes | - | - | - |
| Alerts | |||||
| Extra Display | - | Yes | - | - | - |
| Ringer Profiles | - | - | Yes | - | - |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | Yes |
| Infrared (IR) | - | - | Yes | - | - |
| USB | - |
Yes Mini-USB |
- | Yes |
Yes USB Type C |
| Wi-Fi | - | - | - | Yes |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | |||||
| Picture ID | Yes | Yes | - | n/a | n/a |
| Ringer ID | Yes | Yes | - | n/a | n/a |
| Voice Dialing | - | Yes | Yes | n/a | n/a |
| Customization | |||||
| Custom Graphics | Yes | Yes | - | n/a | n/a |
| Custom Ringtones | Yes | Yes | Yes | n/a | n/a |
| Real-Music Ringers | - | Yes | - | n/a | n/a |
| Data & Network | |||||
| Data Tethering | - | Yes | Yes | n/a | n/a |
| WAP / Web Browser | Yes | Yes | Yes | n/a | n/a |
| Input | |||||
| Predictive Text Entry | Yes | Yes | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | - | - | - |
Yes Capacitive |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | - | - | - | Yes | Yes |
| Messaging | |||||
| Email Client | - | - | - | n/a | n/a |
| EMS / Picture Messaging | Yes | Yes | - | n/a | n/a |
| Instant Messaging | - | - | - | n/a | n/a |
| MMS | Yes | Yes | - | n/a | n/a |
| Text Messaging Templates | Yes | Yes | Yes | n/a | n/a |
| Music | |||||
| Headphone Jack (3.5mm) | - | - | - | - | Yes |
| Music Player | - | - | - | n/a | n/a |
| Power | |||||
| Fast Charging | - | - | - | - | Yes |
| Productivity | |||||
| Alarm | Yes | Yes | Yes | n/a | n/a |
| Calculator | Yes | Yes | Yes | n/a | n/a |
| Calendar | Yes | Yes | Yes | n/a | n/a |
| To-Do List | Yes | - | - | n/a | n/a |
| Voice Memo | Yes | Yes | Yes | n/a | n/a |
| Software | |||||
| BREW | - | Yes | - | n/a | n/a |
| Games | Yes | Yes | Yes | n/a | n/a |
| Java (J2ME) | Yes | - | - | n/a | n/a |
| Voice | |||||
| HD Voice | - | - | - | - | Yes |
| Headset Jack (2.5 mm) | Yes | - | - | n/a | n/a |
| Push-To-Talk | - | - | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Samsung SGH-X640 | Motorola RAZR V3c | Ericsson R520 | Motorola i1 | Cricket Debut S2 / AT&T Calypso 4 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Motorola RAZR V3c | Ericsson R520 | Motorola i1 | Cricket Debut S2 / AT&T Calypso 4 |
