Compare Phones
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| Phone | Siemens SX66 / MDA III / PDA2K (HTC Blue Angel) | Motorola Citrus | UTStarcom Slice PCS-1400 | Samsung Galaxy A51 5G |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
3" diag. 4 : 3 |
? |
6.5" diag. 20 : 9 |
| Display Resolution & Type |
240 x 320 pixels LCD (TFT/TFD) |
240 x 320 pixels (~133 ppi) LCD (TFT/TFD) |
128 x 128 pixels LCD (STN) |
1080 x 2400 pixels (~405 ppi) AMOLED |
| Display Refresh | ? | 60 Hz | ? | 60 Hz |
| Battery | 1,490 mAh | 1,150 mAh | 900 mAh | 4,500 mAh |
| Processor | 400 MHz Intel XScale | ? | ? | 2.2 GHz Samsung Exynos 980 |
| RAM | ? | ? | ? | 6 GB * |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 128 GB |
| Main Camera | Yes | 3 megapixel | - | 48 megapixel |
| Wide Camera | - | - | - | 12 megapixel |
| Tele Camera | - | - | - | - |
| Video Capture | QCIF (176 x 144) | CIF (352 x 288) | - | 4K UHD |
| Front Camera | - | - | - | 32 megapixel |
| Weight |
7.41 oz (210g) |
3.88 oz (110g) |
2.3 oz (65g) |
6.6 oz (187g) |
| Dimensions |
4.92" x 2.83" x 0.75" (125 x 72 x 19.1 mm) |
4.09" x 2.32" x 0.59" (104 x 59 x 15 mm) |
4.3" x 1.8" x 0.4" (109 x 46 x 10.2 mm) |
6.26" x 2.9" x 0.34" (159 x 74 x 8.7 mm) |
| Form Factor | Slide | Slab | Slab | Slab |
| Platform / OS | Windows Mobile Professional | Android | (proprietary) | Android |
| Network Bands |
GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
CDMA: 1900 |
5G: 2, 5, 41, 66, 71 4G LTE: 1, 2, 3, 4, 5, 7, 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 | GPRS | EVDO r0 | 1xRTT | NR (5G) |
| Features | ||||
| Fingerprint Reader | - | - | - |
Yes in-display (optical) |
| Flashlight | - | - | - | Yes |
| GPS / Location | n/a | n/a | Yes | n/a |
| Accessibility | ||||
| Hearing Aid Compatible | - | - | - |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | n/a | - | n/a |
| TTY/TDD (Digital) | - | - | Yes | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | - | Yes |
| Infrared (IR) | Yes | - | - | - |
| NFC | - | - | - | Yes |
| USB | Yes |
Yes Micro-USB |
- |
Yes USB Type C |
| Wi-Fi | Yes |
Yes 802.11 b,g |
- |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | ||||
| Picture ID | n/a | n/a | - | n/a |
| Ringer ID | n/a | n/a | Yes | n/a |
| Voice Dialing | n/a | n/a | - | n/a |
| Customization | ||||
| Custom Graphics | n/a | n/a | Yes | n/a |
| Custom Ringtones | n/a | n/a | Yes | n/a |
| Real-Music Ringers | n/a | n/a | - | n/a |
| Data & Network | ||||
| Data Tethering | n/a | n/a | - | n/a |
| External Antenna Jack | n/a | n/a | Yes | n/a |
| WAP / Web Browser | n/a | n/a | Yes | n/a |
| Input | ||||
| Predictive Text Entry | n/a | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | - |
| Touch Screen | Yes |
Yes Capacitive |
- |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | Yes |
| Messaging | ||||
| Email Client | n/a | n/a | - | n/a |
| Instant Messaging | n/a | n/a | - | n/a |
| MMS | n/a | n/a | - | n/a |
| Text Messaging Templates | n/a | n/a | Yes | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | Yes | - | Yes |
| Music Player | n/a | n/a | - | n/a |
| Power | ||||
| Fast Charging | - | - | - | Yes |
| Productivity | ||||
| Alarm | n/a | n/a | Yes | n/a |
| Calculator | n/a | n/a | Yes | n/a |
| Calendar | n/a | n/a | Yes | n/a |
| To-Do List | n/a | n/a | - | n/a |
| Voice Memo | n/a | n/a | - | n/a |
| Software | ||||
| Games | n/a | n/a | Yes | n/a |
| Java (J2ME) | n/a | n/a | Yes | n/a |
| Voice | ||||
| HD Voice | - | - | - | Yes |
| Headset Jack (2.5 mm) | n/a | n/a | Yes | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Siemens SX66 / MDA III / PDA2K (HTC Blue Angel) | Motorola Citrus | UTStarcom Slice PCS-1400 | Samsung Galaxy A51 5G | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Siemens SX66 / MDA III / PDA2K (HTC Blue Angel) | Motorola Citrus | UTStarcom Slice PCS-1400 | Samsung Galaxy A51 5G |
