Umidigi S2 vs HTC One A9
| Type | Touch | Touch |
| Dimensions | 158.10 x 74.60 x 8.80 mm | 145.75 x 70.80 x 7.26 mm |
| Weight | 186.00 g | 143.00 g |
| Display size | 6.00" | 5.00" |
| Display | Color / IPS TFT 16M colors 720 x 1440 px (6.00") 268 ppi | Color / AMOLED 16M colors 1080 x 1920 px (5.00") 441 ppi |
| Display protection | Corning Gorilla Glass Buy screen protector
 | Corning Gorilla Glass Buy screen protector
|
| Additional display |  | |
| Protection of the secondary display | | |
| Talk time (max.) |  | 2G: 960 min. (16.0 h) 3G: 1200 min. (20.0 h) |
| Stand-by (max.) | 2G: 480 h. (20.0 days) | 2G: 451 h. (18.8 days) 3G: 388 h. (16.2 days) |
| Playback time (max.) | Video: 34 h (1.4 days) | Audio: 60 h (2.5 days) Video: 12 h (0.5 days) |
| Internet browsing time (max.) | nd | WiFi: 9 h (0.4 days) |
| Standard battery | Li-Ion 5100 mAhBuy powerbank
| Li-Ion 2150 mAhBuy powerbank
|
| Quick battery charging | Quick Charge 2.0 | Quick Charge 3.0 |
| Wireless battery charging | | |
| Internal memory | 64 GB | 16 GB, 32 GB |
| End-user memory | | 9.8 GB |
| RAM memory | 4 GB | 2 GB, 3 GB |
| Memory cards |  microSD, microSDHC, microSDXC up to 256 GBBuy memory card | microSD, microSDHC, microSDXC up to 2000 GBBuy memory card |
| Operating system | Android 6.0 Marshmallow Android 7.0 Nougat | Android 6.0 Marshmallow |
| Interface | - | Sense |
| Processor | MediaTek Helio P20 MT6757 | Qualcomm Snapdragon 617 8952 |
| Processor clock | 2300 MHz | 1500 MHz |
| GPU | ARM Mali-T880 MP2 @900 MHz | Adreno 405 |
| Touchscreen | | |
| SAR (10g) | | 0,415 W/kg |
| DualSIM | | |
| SIM cards standard | DualSIM(nanoSIM, nanoSIM) | SingleSIM(nanoSIM) |
| DualSIM mode | dual standby | nd |
| Hybrid DualSIM | nanoSIM, microSD | nd |
| Announced | 3Q 2017 | 4Q 2015 |
| Other names | - | - |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 850 900 1900 2100 | 850 900 1900 2100 |
| LTE standard | FDD LTE: 2600, 2100, 1800, 800 | FDD LTE: 2600, 2100, 1800, 900, 850, 800, 700 TDD LTE: 2600, 2500, 2300 |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Photo sensor model | Sony IMX258 | Sony IMX214 |
| Photo matrix | 13 Mpx | 13 Mpx |
| Resolution | 4128x3096 px | 4160x3120 px |
| Optical zoom | | |
| Flash | 2x LED | LED |
| Dual-colour LED flash | | |
| Video resolution | | 1920x1080 px |
| Video formats | MPEG4, H.263, H.264 | H.263, H.264, MPEG4 |
| Additional | AF, f/2.0 | AF, EIS, OIS, f/2.0 |
| Second camera | | |
| Photo matrix | 5 Mpx | nd |
| Resolution | 2592x1944 px | nd |
| Optical zoom | | nd |
| Flash | 2x LED | nd |
| Dual-colour LED flash | | nd |
| Video formats | MPEG4, H.263, H.264 | nd |
| Additional | - | nd |
CAMERAS - FRONT
| First camera | | |
| Photo matrix | 5 Mpx | 4 Mpx |
| Resolution | 2592x1944 px | 2688x1520 px |
| Optical zoom | | |
| Flash | | |
| Dual-colour LED flash | | |
| Video formats | MPEG4, H.263, H.264 | H.263, H.264, MPEG4 |
| Additional | - | FF, f/2.0 |
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 | | 42.20 Mbit/s |
| HSUPA | | 5.76 Mbit/s |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | 225.00 Mbit/s |
| LTE UP | | 51.00 Mbit/s |
| WIMAX+ | | |
| GPRS | | |
| EDGE | | |
| Bluetooth | v4.0 | v4.0 LE |
| A2DP Profile | | |
| HDMI | | |
| WiFi | v802.11 a/b/g/n | v802.11 a/b/g/n/ac |
| WiFi frequencies | 2,4 GHz | 2,4 GHz; 5 GHz |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | v2.0 Type-C | v2.0 |
| GPS | | |
| A-GPS | | |
| GLONASS | | |
| Beidou | | |
| NFC | | |
COMMUNICATION AND MESSAGING
| Call waiting | | |
| Conferency | | |
| Call forwarding | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | | |
| EMS | | |
| MMS | | |
| Dictionary | XT9 | XT9 |
| Swype | | |
| e-mail client | POP3, IMAP4, SMTP | POP3, IMAP4, SMTP |
| Hardware QWERTY keyboard | | |
| RSS Reader | | |
Multimedia
| MP3 | | |
| Stereo speakers | | |
| Audio Jack | 3.5 mm | 3.5 mm |
| HD Voice | | |
| Sound formats | AMR, AWB, WAV | AAC, AAC+, AC3, AMR, FLAC, OGG, WAV, 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 | | |