myPhone C-Smart IV vs Polaroid Cosmo K2 Plus
| Type | Touch | Touch |
| Dimensions | 125.40 x 64.00 x 10.40 mm | 154.50 x 78.60 x 9.50 mm |
| Weight | 165.00 g | 180.00 g |
| Display size | 4.00" | 5.70" |
| Display | Color / TFT 16M colors 480 x 800 px (4.00") 233 ppi | Color / IPS TFT 16M colors 720 x 1280 px (5.70") 258 ppi |
| Display protection |   | |
| Additional display | | |
| Protection of the secondary display | | |
| Talk time (max.) | 2G: 480 min. (8.0 h) | 2G: 1320 min. (22.0 h) 3G: 720 min. (12.0 h) |
| Stand-by (max.) | 2G: 198 h. (8.3 days) | 2G: 168 h. (7.0 days) 3G: 120 h. (5.0 days) |
| Playback time (max.) | Audio: 8 h (0.3 days) | nd |
| Standard battery | Li-Ion 1350 mAhBuy powerbank
| Li-Ion 2500 mAhBuy powerbank
|
| Quick battery charging | | |
| Wireless battery charging | | |
| Internal memory | 8 GB | 8 GB |
| End-user memory | 3.7 GB | 4.2 GB |
| RAM memory | 1 GB | 1 GB |
| Memory cards |  microSD, microSDHC up to 32 GBBuy memory card | microSD, microSDHC, microSDXC up to 64 GBBuy memory card |
| Operating system | Android 7.0 Nougat | Android 7.0 Nougat |
| Processor | Spreadtrum SC7731 | MediaTek MT6580 |
| Processor clock | 1300 MHz | 1300 MHz |
| GPU | ARM Mali-400 MP2 @400 MHz | ARM Mali-400 MP2 500 MHz |
| Touchscreen | | |
| DualSIM | | |
| Announced | 4Q 2017 | 2Q 2018 |
| Other names | - | PSPCK21NA |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 900 2100 | 850 1900 |
| LTE standard | | |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Photo matrix | 2 Mpx | 13 Mpx |
| Resolution | 1600x1200 px |  |
| Optical zoom | | |
| Flash | LED | LED |
| Dual-colour LED flash | | |
| Additional | AF | AF |
CAMERAS - FRONT
| First camera | | |
| Photo matrix | 0.3 Mpx | 8 Mpx |
| Resolution | 640x480 px | |
| Optical zoom | | |
| Flash | | LED |
| Dual-colour LED flash | | |
| Additional | FF | FF |
SENSORS
| Accelerometer | | |
| Proximity | | |
| Light | | |
| Magnetometer | | |
| Gyroscope | | |
| Barometer | | |
| Altimeter | | |
| Gravity | | |
| Hall-effect | | |
| Iris scanner | | |
| Fingerprint scanner | | |
| Thermometer | | |
| Hygrometer | | |
Data transfer
| xHTML | | |
| WAP | v2.0 | v2.0 |
| HSCSD | | |
| HSDPA | | |
| HSUPA | | |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | |
| LTE UP | | |
| WIMAX+ | | |
| GPRS | | |
| EDGE | | |
| Bluetooth | v2.1 | |
| A2DP Profile | | |
| HDMI | | |
| WiFi | v802.11 b/g/n | v802.11 b/g/n |
| WiFi frequencies | 2,4 GHz | 2,4 GHz |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| IrDA | | |
| USB | v2.0 | |
| A-GPS | | |
| GLONASS | | |
| Beidou | | |
| NFC | | |
COMMUNICATION AND MESSAGING
| Call waiting | | |
| Conferency | | |
| Call forwarding | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | | |
| EMS | | |
| MMS | | |
| Dictionary | | T9 |
| Swype | | |
| e-mail client | POP3, IMAP4, SMTP | POP3, IMAP4, SMTP |
| Hardware QWERTY keyboard | | |
| RSS Reader | | |
Multimedia
| Radio | | |
| MP3 | | |
| Stereo speakers | | |
| Audio Jack | 3.5 mm | 3.5 mm |
| HD Voice | | |
| Sound formats | AAC, AAC+, AMR, WAV, eAAC+ | AAC, AAC+, AMR, eAAC+ |
| Polyphony | | |
| Video ringtone | | |
| Ring composer | | |
| Games | | |
| Java | ART | ART |
| Videophone | | |
| DVB-H television | | |
| TV-Out | | |
PIM AND ADDITIONAL FUNCTIONS
| Watch | | |
| Stopwatch | | |
| Alarm | | |
| Calculator | | |
| Currency converter | | |
| Organizer | | |
| Calendar | | |
| Flight mode | | |
| SyncML | | |
| Data and fax | | |
| Screensaver | | |
| Themes | | |
| Interchangeable covers | | |
| Voice dial | | |
| Speakerphone | | |
| Recorder | | |
| Vibrations | | |