Acer F900 vs Asus ZenFone 4 Pro
| Type | Touch | Touch |
| Dimensions | 117.50 x 63.50 x 12.90 mm | 156.90 x 75.60 x 7.60 mm |
| Weight | 150.00 g | 175.00 g |
| Display size | 3.80" | 5.50" |
| Display | Color / TFT 64k colors 480 x 800 px (3.80") 246 ppi | Color / AMOLED 16M colors 1080 x 1920 px (5.50") 401 ppi |
| Display protection |   | Corning Gorilla Glass Buy screen protector
|
| Additional display | | |
| Protection of the secondary display | | |
| Talk time (max.) |  | 3G: 1650 min. (27.5 h) |
| Playback time (max.) | nd | Video: 21 h (0.9 days) |
| Internet browsing time (max.) | nd | WiFi: 17 h (0.7 days) |
| Standard battery | Li-Ion Buy powerbank
| Li-Ion 3600 mAhBuy powerbank
|
| Quick battery charging | | |
| Wireless battery charging | | |
| Internal memory | 70 MB | 64 GB, 128 GB |
| RAM memory | | 6 GB |
| Memory cards |  microSD, microSDHC | microSD, microSDHC, microSDXC up to 2000 GBBuy memory card |
| Operating system | MS Windows Mobile 6.1 Pro | Android 7.1 Nougat |
| Interface | - | Zen UI 4.0 |
| Processor | Samsung S3C6410 | Qualcomm Snapdragon 835 8998 |
| Processor clock | 533 MHz | 2450 MHz |
| GPU | - | Adreno 540 |
| Touchscreen | | |
| SAR (10g) | | 1,490 W/kg |
| DualSIM | | |
| SIM cards standard | | DualSIM(nanoSIM, nanoSIM) |
| DualSIM mode | nd | dual standby |
| Hybrid DualSIM | nd | nanoSIM, microSD |
| Announced | | 3Q 2017 |
| Other names | - | ZS551KL; Z01GD |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 2100 | 850 900 1700 1900 2100 |
| LTE standard | | FDD LTE: 2600, 2100, 1900, 1800, 1700, 900, 850, 800, 700 TDD LTE: 2600, 2500, 2300, 1900 |
| CDMA | | |
| Standard TD-SCDMA | | 1900 2000 |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Photo sensor model | | Sony IMX362 |
| Photo matrix | 3.2 Mpx | 12 Mpx |
| Resolution | 2048x1536 px | |
| Optical zoom | | |
| Flash | LED | 2x LED |
| Dual-colour LED flash | | |
| Video resolution | | 3840x2160 px |
| Video formats | | H.263, H.264, MPEG4 - 30 fps |
| Additional | - | AF, Laser AF, EIS, OIS, f/1,7 |
| Second camera | | |
| Photo sensor model | nd | Sony IMX351 |
| Photo matrix | nd | 16 Mpx |
| Optical zoom | nd | 2x |
| Flash | nd | 2x LED |
| Dual-colour LED flash | nd | |
| Video resolution | nd | 3840x2160 px |
| Video formats | nd | H.263, H.264, MPEG4 - 30 fps |
| Additional | nd | FF, EIS |
CAMERAS - FRONT
| First camera | | |
| Photo sensor model | | Sony IMX319 |
| Photo matrix | 0.3 Mpx | 8 Mpx |
| Resolution | 640x480 px | |
| Optical zoom | | |
| Flash | | |
| Dual-colour LED flash | | |
| Video formats | | H.263, H.264, MPEG4 - 30 fps |
| Additional | - | FF, EIS, f/1.9 |
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 | 7.20 Mbit/s | 42.20 Mbit/s |
| HSUPA | | 5.76 Mbit/s |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | 603.00 Mbit/s |
| LTE UP | | 102.00 Mbit/s |
| WIMAX+ | | |
| GPRS | class 10 | |
| EDGE | class 10 | |
| Bluetooth | v2.0 EDR | v5.0 |
| A2DP Profile | | |
| HDMI | | |
| WiFi | v802.11 b/g | 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 | v2.0 Type-C |
| GPS | | |
| A-GPS | | |
| GLONASS | | |
| Beidou | | |
| Galileo | | |
| 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 |
| Hardware QWERTY keyboard | | |
| RSS Reader | | |
Multimedia
| Radio | | z RDS |
| MP3 | | |
| Stereo speakers | | 2 |
| Audio Jack | 3.5 mm | 3.5 mm |
| HD Voice | | |
| Sound formats | AAC, WAV, WMA | |
| Polyphony | | |
| Video ringtone | | |
| Ring composer | | |
| Games | | |
| Java | MIDP 2.0 | 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 | | |