Fujitsu Arrows 5G F-51A vs Fujitsu Arrows NX F-01K
| Type | Touch | Touch |
| Waterproofness & dust-resistance | IP65, IP68 | IP65, IP68 |
| Dimensions | 164.00 x 78.00 x 7.80 mm | 149.00 x 72.00 x 8.10 mm |
| Weight | 180.00 g | 150.00 g |
| Display size | 6.70" | 5.20" |
| Display | Color / OLED 16M colors (6.70") | Color / IPS TFT 16M colors 1080 x 1920 px (5.20") 424 ppi |
| Display protection |   | Corning Gorilla Glass Buy screen protector
|
| Additional display | | |
| Protection of the secondary display | | |
| Talk time (max.) |  | 2G: 830 min. (13.8 h) 3G: 880 min. (14.7 h) 4G: 1000 min. (16.7 h) |
| Stand-by (max.) | | 2G: 520 h. (21.7 days) 3G: 630 h. (26.3 days) 4G: 560 h. (23.3 days) |
| Standard battery | Li-Ion 4070 mAhBuy powerbank
| Li-Ion 2580 mAhBuy powerbank
|
| Quick battery charging | Quick Charge | |
| Wireless battery charging | | |
| Internal memory | 128 GB | 32 GB |
| RAM memory | 8 GB | 4 GB |
| Memory cards |  microSD, microSDHC, microSDXC up to 1000 GBBuy memory card | microSD, microSDHC, microSDXC up to 256 GBBuy memory card |
| Operating system | Android 10 | Android 7.1 Nougat |
| Processor | Qualcomm Snapdragon 865 | Qualcomm Snapdragon 660 |
| Processor clock | 2800 MHz | 2200 MHz |
| GPU | Adreno 650 | Adreno 512 |
| Touchscreen | | |
| DualSIM | | |
| SIM cards standard | | SingleSIM(nanoSIM) |
| Announced | 1Q 2020 | 4Q 2017 |
| Other names | - | docomo Arrows NX F-01K |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 850 900 1900 2100 | 850 2100 |
| LTE standard | | FDD LTE: 2600, 2000, 1700, 850, 700 TDD LTE: 2600, 2500, 2300, 1900 |
| Standard 5G | | |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Camera type | Standard | |
| Photo matrix | 48 Mpx | 23 Mpx |
| Resolution | 8000x6000 px | 5520x4140 px |
| Optical zoom | | |
| Digital zoom | | 8x |
| Flash | 2x LED | LED |
| Dual-colour LED flash | | |
| Video resolution | | 3840x2160 px |
| Video formats | H.264, H.265, MPEG4 | H.263, H.264, H.265, MPEG4 - 30 fps |
| Additional | AF | AF, f/2.0 |
| Second camera | | |
| Camera type | Wide-angle | nd |
| Photo matrix | 16.3 Mpx | nd |
| Optical zoom | | nd |
| Flash | 2x LED | nd |
| Dual-colour LED flash | | nd |
| Video formats | H.264, H.265, MPEG4 | nd |
| Additional | FF | nd |
| Third camera | | |
| Camera type | Telephoto | nd |
| Photo matrix | 8 Mpx | nd |
| Optical zoom | | nd |
| Flash | 2x LED | nd |
| Dual-colour LED flash | | nd |
| Video formats | H.264, H.265, MPEG4 | nd |
| Additional | FF | nd |
CAMERAS - FRONT
| First camera | | |
| Camera type | Portrait | |
| Photo matrix | 32 Mpx | 5 Mpx |
| Resolution | | 2592x1944 px |
| Optical zoom | | |
| Flash | | |
| Dual-colour LED flash | | |
| Video resolution | | 1920x1080 px |
| Video formats | H.264, H.265, MPEG4 | H.263, H.264, H.265, MPEG4 - 30 fps |
| Additional | FF | FF, f/2.4 |
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 | 14.40 Mbit/s |
| HSUPA | 11.52 Mbit/s | 5.76 Mbit/s |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | - |
| LTE UP | | 51.00 Mbit/s |
| WIMAX+ | | |
| GPRS | | |
| EDGE | | |
| Bluetooth | v5.1 | v5.0 |
| A2DP Profile | | |
| HDMI | | |
| WiFi | v802.11 a/b/g/n/ac/ax | v802.11 a/b/g/n/ac |
| WiFi frequencies | 2,4 GHz; 5 GHz | 2,4 GHz; 5 GHz |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | Type-C | v2.0 Type-C |
| GPS | | |
| A-GPS | | |
| GLONASS | | |
| Beidou | | |
| Galileo | | |
| QZSS | | |
| NFC | | |
COMMUNICATION AND MESSAGING
| Call waiting | | |
| Conferency | | |
| Call forwarding | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | | |
| EMS | | |
| MMS | | |
| Dictionary | T9 | 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, APE, FLAC, MID, MKA, OGG, WAV, eAAC+ | AAC, AAC+, AMR, 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 | | |