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| Phone | Microsoft Lumia 640 | Casio G'zOne Type-S | UTStarcom Slice PCS-1400 | LG Velvet | UTStarcom CDM-7075 / CDM-220 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
5" diag. 16 : 9 |
1.8" diag. 4 : 3 |
? |
6.8" diag. 20.5 : 9 |
? |
| Display Resolution & Type |
720 x 1280 pixels (~294 ppi) LCD (TFT/TFD) |
176 x 220 pixels (~157 ppi) LCD (TFT/TFD) |
128 x 128 pixels LCD (STN) |
1080 x 2460 pixels (~395 ppi) AMOLED |
128 x 160 pixels LCD (STN) |
| Display Refresh | ? | ? | ? | 60 Hz | ? |
| Battery | 2,500 mAh | 1,050 mAh | 900 mAh | 4,300 mAh | 950 mAh |
| Processor | 1.2 GHz Qualcomm Snapdragon 400 (MSM8926) | ? | ? | Qualcomm Snapdragon 765G | ? |
| RAM | 1 GB | ? | ? | 6 GB | ? |
| Storage | 8 GB | ? raw hardware | ? raw hardware | 128 GB | ? raw hardware |
| Main Camera | 8 megapixel | Yes | - | 48 megapixel | Yes |
| Wide Camera | - | - | - | 8 megapixel | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | 1080p HD | ? | - | 4K UHD | - |
| Front Camera | 1 megapixel | - | - | 16 megapixel | - |
| Weight |
5.11 oz (145g) |
5.1 oz (145g) |
2.3 oz (65g) |
6.35 oz (180g) |
3.5 oz (99g) |
| Dimensions |
5.56" x 2.84" x 0.35" (141 x 72 x 8.9 mm) |
3.8" x 2" x 1.1" (97 x 51 x 27.9 mm) |
4.3" x 1.8" x 0.4" (109 x 46 x 10.2 mm) |
6.58" x 2.92" x 0.31" (167 x 74 x 7.9 mm) |
3.5" x 1.9" x 0.9" (89 x 48 x 22.9 mm) |
| Form Factor | Slab | Clamshell | Slab | Slab | Clamshell |
| Platform / OS | Windows | (proprietary) | (proprietary) | Android | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 1900 |
5G: 2, 5, 25, 41, 66, 71, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 25, 29, 30, 38, 39, 40, 41, 46, 66, 71 WCDMA: 1, 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
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| Data Technology | LTE (Cat 4) | 1xRTT | 1xRTT | NR (5G) | 1xRTT |
| Features | |||||
| Barometer | - | - | - | Yes | - |
| Fingerprint Reader | - | - | - |
Yes in-display (optical) |
- |
| Flashlight | - | - | - | Yes | - |
| GPS / Location | n/a | Yes | Yes | n/a | Yes |
| Ruggedized | - | Yes | - | - | - |
| Water-Resistant | - | - | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | |||||
| Adjustable Text Size | n/a | - | - | n/a | - |
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
Yes M4 (very compatible) |
- |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | Yes | - | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | Yes | - | - | Yes |
| Connectivity | |||||
| Bluetooth | Yes | Yes | - | Yes | - |
| Mobile Hotspot | n/a | - | - | n/a | - |
| NFC | Yes | - | - | Yes | - |
| USB |
Yes Micro-USB |
- | - |
Yes USB Type C |
Yes |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
- | - |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | |||||
| Picture ID | n/a | Yes | - | n/a | Yes |
| Ringer ID | n/a | Yes | Yes | n/a | Yes |
| Voice Dialing | n/a | Yes | - | n/a | Yes |
| Customization | |||||
| Custom Graphics | n/a | Yes | Yes | n/a | Yes |
| Custom Ringtones | n/a | Yes | Yes | n/a | Yes |
| Real-Music Ringers | n/a | - | - | n/a | Yes |
| Data & Network | |||||
| Data Tethering | n/a | - | - | n/a | - |
| External Antenna Jack | n/a | - | Yes | n/a | Yes |
| WAP / Web Browser | n/a | Yes | Yes | n/a | Yes |
| Input | |||||
| Predictive Text Entry | n/a | Yes | Yes | n/a | Yes |
| 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 | n/a | - | - | n/a | Yes |
| Instant Messaging | n/a | Yes | - | n/a | - |
| MMS | n/a | Yes | - | n/a | Yes |
| Text Messaging Templates | n/a | Yes | Yes | n/a | Yes |
| Music | |||||
| FM Radio | Yes | - | - | Yes | - |
| Headphone Jack (3.5mm) | Yes | - | - | Yes | - |
| Music Player | n/a | - | - | n/a | - |
| Stereo Speakers | - | - | - | Yes | - |
| Photo & Video | |||||
| DLNA | Yes | - | - | Yes | - |
| Miracast | Yes | - | - | Yes | - |
| TV Output | - | - | - | Yes | - |
| Power | |||||
| Fast Charging | - | - | - | Yes | - |
| Wireless Charging | - | - | - | Yes | - |
| Productivity | |||||
| Alarm | n/a | Yes | Yes | n/a | Yes |
| Calculator | n/a | Yes | Yes | n/a | Yes |
| Calendar | n/a | Yes | Yes | n/a | Yes |
| To-Do List | n/a | - | - | n/a | - |
| Voice Memo | n/a | - | - | n/a | Yes * |
| Software | |||||
| BREW | n/a | Yes | - | n/a | Yes * |
| Games | n/a | Yes | Yes | n/a | Yes |
| Java (J2ME) | n/a | - | Yes | n/a | Yes * |
| Voice | |||||
| HD Voice | Yes | - | - | Yes | - |
| Headset Jack (2.5 mm) | n/a | - | Yes | n/a | Yes |
| Push-To-Talk | - | Yes * | - | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Microsoft Lumia 640 | Casio G'zOne Type-S | UTStarcom Slice PCS-1400 | LG Velvet | UTStarcom CDM-7075 / CDM-220 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Microsoft Lumia 640 | Casio G'zOne Type-S | UTStarcom Slice PCS-1400 | LG Velvet | UTStarcom CDM-7075 / CDM-220 |
