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| Phone | HTC Amaze 4G | Sony Ericsson Z750 | Samsung Galaxy Z Fold2 | Sony Ericsson K850 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4.3" diag. 16 : 9 |
2.2" diag. 4 : 3 |
7.6" diag. 4 : 3 |
2.2" diag. 4 : 3 |
| Display Resolution & Type |
540 x 960 pixels (~256 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
1768 x 2208 pixels (~372 ppi) AMOLED |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | 60 Hz | ? |
| Battery | 1,730 mAh | 950 mAh | 4,500 mAh | ? |
| Processor | 1.5 GHz Qualcomm Snapdragon S3 dual-core | ? | 3.1 GHz Qualcomm Snapdragon 865+ | ? |
| RAM | 1 GB | ? | 12 GB | ? |
| Storage | 16 GB | ? raw hardware | 256 GB | ? raw hardware |
| Main Camera | 8 megapixel | 2 megapixel | 12 megapixel | 5 megapixel |
| Wide Camera | - | - | 12 megapixel | - |
| Tele Camera | - | - | 12 megapixel | - |
| Video Capture | 1080p HD | ? | 4K UHD | ? |
| Front Camera | 2 megapixel | - | 10 megapixel | - |
| Weight |
6.1 oz (173g) |
3.88 oz (110g) |
9.95 oz (282g) |
4.2 oz (119g) |
| Dimensions |
5.12" x 2.58" x 0.46" (130 x 66 x 11.7 mm) |
3.83" x 1.93" x 0.79" (97 x 49 x 20.1 mm) |
6.27" x 2.68" x 0.66" (159 x 68 x 16.8 mm) |
4" x 1.9" x 0.7" (102 x 48 x 17.8 mm) |
| Form Factor | Slab | Clamshell | Foldable | Slab |
| Platform / OS | Android | (proprietary) | Android | (proprietary) |
| Network Bands |
WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
5G: 2, 5, 25, 41, 66, 71, 260, 261 4G LTE: 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | HSPA+ 42 | HSDPA 1.8 | NR (5G) | HSDPA 3.6 |
| Features | ||||
| Barometer | - | - | Yes | - |
| Fingerprint Reader | - | - |
Yes stand-alone |
- |
| Flashlight | Yes | - | Yes | - |
| GPS / Location | n/a | - | n/a | - |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | n/a | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | Yes | Yes | - |
| Ringer Profiles | - | - | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Mobile Hotspot | n/a | - | n/a | - |
| NFC | Yes | - | Yes | - |
| USB | Yes | Yes |
Yes USB Type C |
Yes |
| UWB | - | - | Yes | - |
| Wi-Fi |
Yes 4 (802.11 a,b,g,n) |
- |
Yes 6 (802.11 a,ac,ax,b,g,n) |
- |
| Contacts | ||||
| Picture ID | n/a | Yes | n/a | Yes |
| Ringer ID | n/a | Yes | n/a | Yes |
| Voice Dialing | n/a | - | n/a | Yes |
| Customization | ||||
| Custom Graphics | n/a | Yes | n/a | Yes |
| Custom Ringtones | n/a | Yes | n/a | Yes |
| Real-Music Ringers | n/a | Yes | n/a | Yes |
| Data & Network | ||||
| Data Tethering | n/a | Yes | n/a | Yes |
| External Antenna Jack | n/a | Yes | n/a | - |
| WAP / Web Browser | n/a | Yes | n/a | Yes |
| Input | ||||
| Predictive Text Entry | n/a | Yes | n/a | Yes |
| Side Keys | Yes | - | Yes | Yes |
| Touch Screen |
Yes Capacitive |
- |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | Yes |
| Messaging | ||||
| Email Client | n/a | Yes | n/a | Yes |
| Instant Messaging | n/a | Yes | n/a | - |
| MMS | n/a | Yes | n/a | Yes |
| Text Messaging Templates | n/a | Yes | n/a | Yes |
| Music | ||||
| FM Radio | Yes | Yes | - | Yes |
| Headphone Jack (3.5mm) | Yes | - | - | - |
| Music Player | n/a | Yes | n/a | Yes |
| Stereo Speakers | - | - | Yes | - |
| Photo & Video | ||||
| DLNA | Yes | - | - | - |
| TV Output | Yes | - | Yes | - |
| Video Calling | n/a | Yes * | n/a | Yes * |
| Power | ||||
| Fast Charging | - | - | Yes | - |
| Wireless Charging | - | - | Yes | - |
| Productivity | ||||
| Alarm | n/a | Yes | n/a | Yes |
| Calculator | n/a | Yes | n/a | Yes |
| Calendar | n/a | Yes | n/a | Yes |
| To-Do List | n/a | Yes | n/a | Yes |
| Voice Memo | n/a | Yes | n/a | Yes |
| Software | ||||
| Games | n/a | Yes | n/a | Yes |
| Java (J2ME) | n/a | Yes | n/a | Yes |
| Voice | ||||
| HD Voice | - | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| HTC Amaze 4G | Sony Ericsson Z750 | Samsung Galaxy Z Fold2 | Sony Ericsson K850 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | HTC Amaze 4G | Sony Ericsson Z750 | Samsung Galaxy Z Fold2 | Sony Ericsson K850 |
