Compare Phones
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| Phone | Samsung SGH-A157 | Samsung SGH-X640 | Motorola Sidekick Slide | Motorola Flipout | ZTE Grand X |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
1.8" diag. 4 : 3 |
? | ? |
2.8" diag. 4 : 3 |
5" diag. 16 : 9 |
| Display Resolution & Type |
128 x 160 pixels (~116 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
320 x 240 pixels LCD (TFT/TFD) |
320 x 240 pixels (~143 ppi) LCD (TFT/TFD) |
540 x 960 pixels (~220 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz | 60 Hz |
| Battery | 800 mAh | 800 mAh | ? | 1,170 mAh | 2,300 mAh |
| Processor | ? | ? | 225 MHz TI OMAP 850 | 720 MHz TI OMAP 3410 | 1.2 GHz Qualcomm Snapdragon 200 MSM8210 |
| RAM | ? | ? | ? | ? | 1 GB |
| Storage | 256 MB | ? raw hardware | ? raw hardware | ? raw hardware | 4 GB |
| Main Camera | - | Yes | 1 megapixel | 3 megapixel | 5 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | - | - | CIF (352 x 288) | 720p HD |
| Front Camera | - | - | - | - | 1 megapixel |
| Weight |
2.99 oz (85g) |
3 oz (85g) |
5.3 oz (150g) |
4.23 oz (120g) |
6.06 oz (172g) |
| Dimensions |
3.83" x 1.84" x 0.65" (97 x 47 x 16.5 mm) |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
4.65" x 2.44" x 0.69" (118 x 62 x 17.5 mm) |
2.64" x 2.64" x 0.67" (67 x 67 x 17 mm) |
5.7" x 2.87" x 0.37" (145 x 73 x 9.4 mm) |
| Form Factor | Clamshell | Clamshell | Slide | Swivel | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | Android | Android |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
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| Data Technology | ? | GPRS | EDGE | HSPA 7.2 | HSPA+ 21 |
| Features | |||||
| GPS / Location | Yes | - | - | n/a | n/a |
| Accessibility | |||||
| Adjustable Text Size | Yes | - | Yes | n/a | n/a |
| Hearing Aid Compatible | Yes | - | - | Yes | Yes |
| Multiple Languages | Yes | Yes | - | n/a | n/a |
| TTY/TDD (Digital) | Yes | - | - | - | Yes |
| Alerts | |||||
| Ringer Profiles | Yes | - | Yes | - | - |
| Connectivity | |||||
| Bluetooth | - | - | Yes | Yes | Yes |
| USB |
Yes Micro-USB |
- | Yes |
Yes Micro-USB |
Yes Micro-USB |
| Wi-Fi | - | - | - |
Yes 802.11 b,g |
Yes 4 (802.11 b,g,n) |
| Contacts | |||||
| Picture ID | Yes | Yes | Yes | n/a | n/a |
| Ringer ID | Yes | Yes | Yes | n/a | n/a |
| Voice Dialing | - | - | - | n/a | n/a |
| Customization | |||||
| Custom Graphics | Yes | Yes | Yes | n/a | n/a |
| Custom Ringtones | Yes | Yes | Yes | n/a | n/a |
| Real-Music Ringers | Yes | - | Yes | n/a | n/a |
| Data & Network | |||||
| WAP / Web Browser | Yes | Yes | Yes | n/a | n/a |
| Input | |||||
| Predictive Text Entry | Yes | Yes | - | n/a | n/a |
| Side Keys | - | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | Yes | - |
| Touch Screen | - | - | - | Yes | Yes |
| Memory | |||||
| Memory Card Slot | - | - | Yes | Yes | Yes |
| Messaging | |||||
| Email Client | - | - | Yes | n/a | n/a |
| EMS / Picture Messaging | - | Yes | - | n/a | n/a |
| Instant Messaging | - | - | Yes | n/a | n/a |
| MMS | Yes | Yes | Yes | n/a | n/a |
| Text Messaging Templates | Yes | Yes | - | n/a | n/a |
| Music | |||||
| FM Radio | - | - | - | Yes | - |
| Headphone Jack (3.5mm) | - | - | - | Yes | Yes |
| Music Player | - | - | Yes | n/a | n/a |
| Productivity | |||||
| Alarm | Yes | Yes | Yes | n/a | n/a |
| Calculator | Yes | Yes | - | n/a | n/a |
| Calendar | Yes | Yes | Yes | n/a | n/a |
| To-Do List | Yes | Yes | Yes | n/a | n/a |
| Voice Memo | Yes | Yes | - | n/a | n/a |
| Software | |||||
| Games | - | Yes | Yes | n/a | n/a |
| Java (J2ME) | - | Yes | Yes | n/a | n/a |
| Voice | |||||
| HD Voice | - | - | - | - | Yes |
| Headset Jack (2.5 mm) | - | Yes | Yes | n/a | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Samsung SGH-A157 | Samsung SGH-X640 | Motorola Sidekick Slide | Motorola Flipout | ZTE Grand X | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-A157 | Samsung SGH-X640 | Motorola Sidekick Slide | Motorola Flipout | ZTE Grand X |
