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| Phone | ZTE Concord II | Samsung SGH-X640 | Siemens SL55 | Asus Smartphone for Snapdragon Insiders | Coolpad Defiant |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Not yet released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
4" diag. 5 : 3 |
? | ? |
6.8" diag. 20.5 : 9 |
5" diag. 16 : 9 |
| Display Resolution & Type |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
101 x 80 pixels LCD (STN) |
1080 x 2448 pixels (~395 ppi) AMOLED |
480 x 854 pixels (~196 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | ? | 144 Hz | 60 Hz |
| Battery | 1,820 mAh | 800 mAh | 500 mAh | 4,000 mAh | 2,450 mAh |
| Processor | 1.2 GHz Qualcomm MSM8210 | ? | ? | 2.8 GHz Qualcomm Snapdragon 888 | 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) |
| RAM | 1 GB | ? | ? | 16 GB | 1 GB |
| Storage | 4 GB | ? raw hardware | ? raw hardware | 512 GB | 8 GB |
| Main Camera | 5 megapixel | Yes | - | 64 megapixel | 5 megapixel |
| Wide Camera | - | - | - | 12 megapixel | - |
| Tele Camera | - | - | - | 8 megapixel | - |
| Video Capture | 720p HD | - | - | 8K | 720p HD |
| Front Camera | - | - | - | 24 megapixel | 2 megapixel |
| Weight |
4.4 oz (125g) |
3 oz (85g) |
2.79 oz (79g) |
7.41 oz (210g) |
6.5 oz (184g) |
| Dimensions |
4.96" x 2.56" x 0.42" (126 x 65 x 10.7 mm) |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
3.21" x 1.75" x 0.86" (82 x 44 x 21.8 mm) |
6.82" x 3.04" x 0.38" (173 x 77 x 9.6 mm) |
5.69" x 2.81" x 0.4" (145 x 71 x 10.2 mm) |
| Form Factor | Slab | Clamshell | Slide | Slab | Slab |
| Platform / OS | Android | (proprietary) | (proprietary) | Android | Android |
| Network Bands |
WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
5G: 1, 2, 3, 5, 7, 8, 12, 13, 14, 18, 20, 25, 26, 28, 30, 38, 40, 41, 46, 48, 66, 71, 77-C, 78, 257, 258, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 46, 48, 66, 71 WCDMA: 1, 2, 3, 4, 5, 8, 19 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | HSPA+ 21 | GPRS | GPRS | NR (5G) | LTE (Cat 4) |
| Features | |||||
| Fingerprint Reader | - | - | - |
Yes stand-alone |
- |
| Flashlight | - | - | - | Yes | Yes |
| GPS / Location | n/a | - | - | n/a | n/a |
| Accessibility | |||||
| Adjustable Text Size | n/a | - | - | n/a | n/a |
| Hearing Aid Compatible | Yes | - | - | Yes | Yes |
| Multiple Languages | n/a | Yes | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | - | - | - | Yes |
| Alerts | |||||
| Ringer Profiles | - | - | Yes | - | - |
| Connectivity | |||||
| Bluetooth |
Yes Classic Audio |
- | - |
Yes Classic Audio |
Yes Classic Audio |
| Infrared (IR) | - | - | Yes | - | - |
| Mobile Hotspot | n/a | - | - | n/a | n/a |
| NFC | - | - | - | Yes | - |
| USB |
Yes Micro-USB |
- | - |
Yes USB Type C |
Yes Micro-USB |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
- | - |
Yes 6E (802.11 a,ac,ax,b,g,n) |
Yes 4 (802.11 b,g,n) |
| Contacts | |||||
| Picture ID | n/a | Yes | Yes | n/a | n/a |
| Ringer ID | n/a | Yes | Yes | n/a | n/a |
| Voice Dialing | n/a | - | Yes | n/a | n/a |
| Customization | |||||
| Custom Graphics | n/a | Yes | Yes | n/a | n/a |
| Custom Ringtones | n/a | Yes | Yes | n/a | n/a |
| Real-Music Ringers | n/a | - | - | n/a | n/a |
| Data & Network | |||||
| Data Tethering | n/a | - | Yes | n/a | n/a |
| Dual-SIM | - | - | - | Yes | - |
| WAP / Web Browser | n/a | Yes | Yes | n/a | n/a |
| Input | |||||
| Predictive Text Entry | n/a | Yes | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | Yes | - | - | Yes | Yes |
| Memory | |||||
| Memory Card Slot | Yes | - | - | - | Yes |
| Messaging | |||||
| Email Client | n/a | - | Yes | n/a | n/a |
| EMS / Picture Messaging | n/a | Yes | Yes | n/a | n/a |
| Instant Messaging | n/a | - | - | n/a | n/a |
| MMS | n/a | Yes | Yes | n/a | n/a |
| Text Messaging Templates | n/a | Yes | Yes | n/a | n/a |
| Music | |||||
| Headphone Jack (3.5mm) | Yes | - | - | - | Yes |
| Music Player | n/a | - | - | n/a | n/a |
| Stereo Speakers | - | - | - | Yes | - |
| Power | |||||
| Fast Charging | - | - | - | Yes | - |
| Productivity | |||||
| Alarm | n/a | Yes | Yes | n/a | n/a |
| Calculator | n/a | Yes | Yes | n/a | n/a |
| Calendar | n/a | Yes | Yes | n/a | n/a |
| To-Do List | n/a | Yes | Yes | n/a | n/a |
| Voice Memo | n/a | Yes | Yes | n/a | n/a |
| Software | |||||
| Games | n/a | Yes | Yes | n/a | n/a |
| Java (J2ME) | n/a | Yes | Yes | n/a | n/a |
| Voice | |||||
| HD Voice | Yes | - | - | Yes | - |
| Headset Jack (2.5 mm) | n/a | Yes | - | n/a | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| ZTE Concord II | Samsung SGH-X640 | Siemens SL55 | Asus Smartphone for Snapdragon Insiders | Coolpad Defiant | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Concord II | Samsung SGH-X640 | Siemens SL55 | Asus Smartphone for Snapdragon Insiders | Coolpad Defiant |
