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| Phone | Samsung SGH-X640 | Motorola Rival A455 | Palm Treo 600 (CDMA) | Nubia Red Magic 3 / 3S | Motorola Q9m / Q9c |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
2.2" diag. 4 : 3 |
? |
6.7" diag. 19.5 : 9 |
2.4" diag. 4 : 3 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
176 x 220 pixels (~131 ppi) LCD (TFT/TFD) |
160 x 160 pixels LCD (Color) |
1080 x 2340 pixels (~388 ppi) AMOLED |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 90 Hz | ? |
| Battery | 800 mAh | 940 mAh | ? | 5,000 mAh | 1,170 mAh |
| Processor | ? | ? | ? | Qualcomm Snapdragon 855+ | PXA27x (ARM920T) |
| RAM | ? | ? | ? | 8 GB * | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 128 GB * | ? raw hardware |
| Main Camera | Yes | 2 megapixel | Yes | 48 megapixel | 1 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | QVGA (320 x 240) | - | 4K UHD | ? |
| Front Camera | - | - | - | 16 megapixel | - |
| Weight |
3 oz (85g) |
4.48 oz (127g) |
6.2 oz (176g) |
7.58 oz (215g) |
4.76 oz (135g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
3.82" x 1.96" x 0.73" (97 x 50 x 18.5 mm) |
4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm) |
6.76" x 3.09" x 0.38" (172 x 79 x 9.7 mm) |
4.61" x 2.56" x 0.47" (117 x 65 x 11.9 mm) |
| Form Factor | Clamshell | Slide | Slab | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Palm OS | Android | Windows Mobile Standard |
| Network Bands |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 30, 34, 38, 39, 40, 41, 66 WCDMA: 1, 2, 4, 5, 8, 19 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
| Data Technology | GPRS | EVDO r0 | 1xRTT | LTE (Cat 9) | EVDO r0 |
| Features | |||||
| Fingerprint Reader | - | - | - |
Yes stand-alone |
- |
| Flashlight | - | - | - | Yes | - |
| GPS / Location | - | Yes | n/a | n/a | n/a |
| Accessibility | |||||
| Hearing Aid Compatible | - |
Yes M3, T3 (mostly tele-coil compatible) |
- | - |
Yes M3 (mostly compatible) |
| Multiple Languages | Yes | Yes | n/a | n/a | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Ringer Profiles | - | - | - | - | Yes |
| Connectivity | |||||
| Bluetooth | - | Yes | - | Yes | Yes |
| Infrared (IR) | - | - | Yes | - | - |
| USB | - |
Yes Micro-USB |
Yes |
Yes USB Type C |
Yes Mini-USB |
| Wi-Fi | - | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | |||||
| Picture ID | Yes | Yes | n/a | n/a | n/a |
| Ringer ID | Yes | Yes | n/a | n/a | n/a |
| Voice Dialing | - | Yes | n/a | n/a | n/a |
| Customization | |||||
| Custom Graphics | Yes | Yes | n/a | n/a | n/a |
| Custom Ringtones | Yes | Yes | n/a | n/a | n/a |
| Real-Music Ringers | - | Yes | n/a | n/a | n/a |
| Data & Network | |||||
| Data Tethering | - | Yes | n/a | n/a | n/a |
| Dual-SIM | - | - | - | Yes | - |
| WAP / Web Browser | Yes | Yes | n/a | n/a | n/a |
| Input | |||||
| Predictive Text Entry | Yes | - | n/a | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | Yes | Yes | Yes |
| Touch Screen | - | Yes | Yes |
Yes Capacitive |
- |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | - | Yes |
| Messaging | |||||
| Email Client | - | Yes | n/a | n/a | n/a |
| EMS / Picture Messaging | Yes | Yes | n/a | n/a | n/a |
| Instant Messaging | - | Yes | n/a | n/a | n/a |
| MMS | Yes | Yes | n/a | n/a | n/a |
| Text Messaging Templates | Yes | Yes | n/a | n/a | n/a |
| Music | |||||
| Headphone Jack (3.5mm) | - | Yes | - | Yes | - |
| Music Player | - | Yes | n/a | n/a | n/a |
| Stereo Speakers | - | - | - | Yes | Yes |
| Photo & Video | |||||
| TV Output | - | - | - | Yes | - |
| Power | |||||
| Fast Charging | - | - | - | Yes | - |
| Productivity | |||||
| Alarm | Yes | Yes | n/a | n/a | n/a |
| Calculator | Yes | Yes | n/a | n/a | n/a |
| Calendar | Yes | Yes | n/a | n/a | n/a |
| To-Do List | Yes | - | n/a | n/a | n/a |
| Voice Memo | Yes | Yes | n/a | n/a | n/a |
| Software | |||||
| BREW | - | Yes | n/a | n/a | n/a |
| Games | Yes | Yes | n/a | n/a | n/a |
| Java (J2ME) | Yes | - | n/a | n/a | n/a |
| Voice | |||||
| HD Voice | - | - | - | Yes | - |
| Headset Jack (2.5 mm) | Yes | - | n/a | n/a | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Samsung SGH-X640 | Motorola Rival A455 | Palm Treo 600 (CDMA) | Nubia Red Magic 3 / 3S | Motorola Q9m / Q9c | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Motorola Rival A455 | Palm Treo 600 (CDMA) | Nubia Red Magic 3 / 3S | Motorola Q9m / Q9c |
