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| Phone | Samsung SGH-A657 | Sony Ericsson Z600 | LG K40 / Harmony 3 | Samsung Galaxy A71 5G |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? |
5.7" diag. 18 : 9 |
6.7" diag. 20 : 9 |
| Display Resolution & Type |
176 x 220 pixels LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
720 x 1440 pixels (~282 ppi) LCD (TFT/TFD) |
1080 x 2400 pixels (~393 ppi) AMOLED |
| Display Refresh | ? | ? | 60 Hz | 60 Hz |
| Battery | 1,420 mAh | ? | 3,000 mAh | 4,500 mAh |
| Processor | ? | ? | 1.8 GHz Qualcomm Snapdragon 450 | 2.4 GHz Qualcomm Snapdragon 765 |
| RAM | ? | ? | 2 GB | 6 GB |
| Storage | ? raw hardware | ? raw hardware | 32 GB | 128 GB |
| Main Camera | - | Yes | 13 megapixel | 64 megapixel |
| Wide Camera | - | - | - | 12 megapixel |
| Tele Camera | - | - | - | - |
| Video Capture | - | - | 1080p HD | 4K UHD |
| Front Camera | - | - | 5 megapixel | 32 megapixel |
| Weight |
4.34 oz (123g) |
3.88 oz (110g) |
5.11 oz (145g) |
6.52 oz (185g) |
| Dimensions |
4.53" x 2.05" x 0.77" (115 x 52 x 19.6 mm) |
3.54" x 1.89" x 1.1" (90 x 48 x 27.9 mm) |
6.02" x 2.83" x 0.32" (153 x 72 x 8.1 mm) |
6.39" x 2.97" x 0.31" (162 x 75 x 7.9 mm) |
| Form Factor | Slab | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | Android |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12, 13, 14, 25, 26, 29, 30, 41, 66, 71 WCDMA: 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
5G: 2, 5, 41, 66, 71, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 66, 71 WCDMA: 1, 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | HSDPA 3.6 | GPRS | LTE (Cat 6) | NR (5G) |
| Features | ||||
| Fingerprint Reader | - | - |
Yes stand-alone |
Yes in-display (optical) |
| Flashlight | Yes | - | Yes | Yes |
| GPS / Location | Yes | - | n/a | n/a |
| Ruggedized | Yes | - | - | - |
| Accessibility | ||||
| Hearing Aid Compatible | - | - |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | - | Yes | Yes |
| Alerts | ||||
| Extra Display | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Infrared (IR) | - | Yes | - | - |
| NFC | - | - | Yes * | Yes |
| USB | Yes | Yes |
Yes Micro-USB |
Yes USB Type C |
| Wi-Fi | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | ||||
| Picture ID | Yes | Yes | n/a | n/a |
| Ringer ID | Yes | Yes | n/a | n/a |
| Voice Dialing | - | Yes | n/a | n/a |
| Customization | ||||
| Changeable Body Plates | - | Yes | - | - |
| Custom Graphics | Yes | Yes | n/a | n/a |
| Custom Ringtones | Yes | Yes | n/a | n/a |
| Real-Music Ringers | Yes | - | n/a | n/a |
| Data & Network | ||||
| Data Tethering | Yes | Yes | n/a | n/a |
| WAP / Web Browser | Yes | Yes | n/a | n/a |
| Input | ||||
| Predictive Text Entry | Yes | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - | - |
Yes Capacitive |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | - | Yes | Yes |
| Messaging | ||||
| Email Client | Yes | Yes | n/a | n/a |
| EMS / Picture Messaging | - | Yes | n/a | n/a |
| Instant Messaging | Yes | - | n/a | n/a |
| MMS | 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 |
| Photo & Video | ||||
| DLNA | - | - | Yes | - |
| Power | ||||
| Fast Charging | - | - | - | Yes |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | n/a |
| Calculator | Yes | Yes | n/a | n/a |
| Calendar | Yes | Yes | n/a | n/a |
| To-Do List | 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 | Yes |
| Push-To-Talk | Yes | - | - | - |
| Speaker Phone | Yes | - | Yes | Yes |
| * Some versions only | ||||
| Samsung SGH-A657 | Sony Ericsson Z600 | LG K40 / Harmony 3 | Samsung Galaxy A71 5G | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-A657 | Sony Ericsson Z600 | LG K40 / Harmony 3 | Samsung Galaxy A71 5G |
