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| Phone | Microsoft Lumia 640 | Samsung SPH-N270 (Matrix Phone) | Samsung SGH-A717 | Motorola i425 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
5" diag. 16 : 9 |
? | ? | ? |
| Display Resolution & Type |
720 x 1280 pixels (~294 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
130 x 130 pixels LCD (STN) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 2,500 mAh | 1,000 mAh | ? | ? |
| Processor | 1.2 GHz Qualcomm Snapdragon 400 (MSM8926) | ? | ? | ? |
| RAM | 1 GB | ? | ? | ? |
| Storage | 8 GB | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 8 megapixel | - | 2 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 1080p HD | - | QCIF (176 x 144) | - |
| Front Camera | 1 megapixel | - | - | - |
| Weight |
5.11 oz (145g) |
4.66 oz (132g) |
3.31 oz (94g) |
3.9 oz (111g) |
| Dimensions |
5.56" x 2.84" x 0.35" (141 x 72 x 8.9 mm) |
4.53" x 2.28" x 0.79" (115 x 58 x 20.1 mm) |
4.07" x 2.15" x 0.55" (103 x 55 x 14 mm) |
4.9" x 1.9" x 0.47" (124 x 48 x 11.9 mm) |
| Form Factor | Slab | Slide | Clamshell | Slab |
| Platform / OS | Windows | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
iDEN: 800 |
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| Data Technology | LTE (Cat 4) | - | HSDPA 1.8 | - |
| Features | ||||
| GPS / Location | n/a | Yes | - | Yes |
| Accessibility | ||||
| Adjustable Text Size | n/a | - | - | Yes |
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
- |
Yes M3 (mostly compatible) |
- |
| Multiple Languages | n/a | Yes | Yes | Yes |
| TTY/TDD (Digital) | Yes | - | Yes | Yes |
| Alerts | ||||
| Extra Display | - | - | Yes | - |
| Ringer Profiles | - | - | Yes | Yes |
| Connectivity | ||||
| Bluetooth | Yes | - | Yes | - |
| Mobile Hotspot | n/a | - | - | - |
| NFC | Yes | - | - | - |
| USB |
Yes Micro-USB |
- | Yes |
Yes Mini-USB |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
- | - | - |
| Contacts | ||||
| Picture ID | n/a | Yes | Yes | Yes |
| Ringer ID | n/a | Yes | Yes | Yes |
| Voice Dialing | n/a | Yes | - | Yes |
| Customization | ||||
| Custom Graphics | n/a | - | Yes | Yes |
| Custom Ringtones | n/a | - | Yes | Yes |
| Real-Music Ringers | n/a | - | Yes | Yes |
| Data & Network | ||||
| Data Tethering | n/a | - | Yes | Yes |
| WAP / Web Browser | n/a | - | Yes | Yes |
| Input | ||||
| Predictive Text Entry | n/a | Yes | Yes | Yes |
| Side Keys | Yes | - | Yes | Yes |
| Touch Screen |
Yes Capacitive |
- | - | - |
| Memory | ||||
| Memory Card Slot | Yes | - | Yes | - |
| Messaging | ||||
| Email Client | n/a | - | Yes | - |
| Instant Messaging | n/a | - | Yes | - |
| MMS | n/a | - | Yes | Yes |
| Text Messaging Templates | n/a | - | Yes | Yes |
| Music | ||||
| FM Radio | Yes | - | - | - |
| Headphone Jack (3.5mm) | Yes | - | - | - |
| Music Player | n/a | - | Yes | - |
| Photo & Video | ||||
| DLNA | Yes | - | - | - |
| Miracast | Yes | - | - | - |
| Productivity | ||||
| Alarm | n/a | Yes | Yes | - |
| Calculator | n/a | Yes | Yes | - |
| Calendar | n/a | Yes | Yes | Yes |
| To-Do List | n/a | Yes | Yes | - |
| Voice Memo | n/a | Yes | Yes | Yes |
| Software | ||||
| Games | n/a | - | Yes | Yes |
| Java (J2ME) | n/a | - | Yes | Yes |
| Voice | ||||
| HD Voice | Yes | - | - | - |
| Headset Jack (2.5 mm) | n/a | Yes | - | Yes |
| Push-To-Talk | - | - | - | Yes |
| Speaker Phone | Yes | - | Yes | Yes |
| Microsoft Lumia 640 | Samsung SPH-N270 (Matrix Phone) | Samsung SGH-A717 | Motorola i425 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Microsoft Lumia 640 | Samsung SPH-N270 (Matrix Phone) | Samsung SGH-A717 | Motorola i425 |
