Rakuten Big vs Fujitsu Arrows 5G F-51A
| Type | Touch | Touch |
| Waterproofness & dust-resistance | IP68 | IP65, IP68 |
| Dimensions | 174.00 x 80.00 x 9.00 mm | 164.00 x 78.00 x 7.80 mm |
| Weight | 227.00 g | 180.00 g |
| Display size | 6.90" | 6.70" |
| Display | Color / OLED 16M colors 60 Hz 1080 x 2460 px (6.90") 389 ppi | Color / OLED 16M colors (6.70") |
| Display protection |   | |
| Additional display | | |
| Protection of the secondary display | | |
| Talk time (max.) | 3G: 1704 min. (28.4 h) 4G: 1302 min. (21.7 h) |  |
| Stand-by (max.) | 3G: 467 h. (19.5 days) 4G: 530 h. (22.1 days) | |
| Standard battery | Li-Ion 4000 mAhBuy powerbank
| Li-Ion 4070 mAhBuy powerbank
|
| Quick battery charging | Quick Charge | Quick Charge |
| Wireless battery charging | | |
| Internal memory | 128 GB | 128 GB |
| RAM memory | 6 GB | 8 GB |
| Memory cards |  microSD, microSDHC, microSDXC up to 256 GBBuy memory card | microSD, microSDHC, microSDXC up to 1000 GBBuy memory card |
| Operating system | Android 10 | Android 10 |
| Processor | Qualcomm Snapdragon 765G SM7250-AB | Qualcomm Snapdragon 865 |
| Processor clock | 2400 MHz | 2800 MHz |
| GPU | Adreno 620 | Adreno 650 |
| Touchscreen | | |
| DualSIM | | |
| SIM cards standard | SingleSIM(eSIM) | |
| Announced | | 1Q 2020 |
| Other names | ZR01 | - |
| GSM frequencies | | 850 900 1800 1900 |
| UMTS | 850 1700 1900 2100 | 850 900 1900 2100 |
| LTE standard | FDD LTE: 2600, 2100, 1800, 1700, 850, 800, 700 TDD LTE: 3500, 2600, 2500 | |
| Standard 5G | TDD 5G: 3800 | |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Camera type | Standard | Standard |
| Photo matrix | 48 Mpx | 48 Mpx |
| Resolution | | 8000x6000 px |
| Optical zoom | | |
| Digital zoom | 10x | |
| Flash | LED | 2x LED |
| Dual-colour LED flash | | |
| Video formats | H.264, H.265, MPEG4 - 30 fps | H.264, H.265, MPEG4 |
| Additional | AF, EIS, f/1.89 | AF |
| Second camera | | |
| Camera type | Wide-angle | Wide-angle |
| Photo matrix | 8 Mpx | 16.3 Mpx |
| Optical zoom | | |
| Flash | LED | 2x LED |
| Dual-colour LED flash | | |
| Video formats | H.264, H.265, MPEG4 - 30 fps | H.264, H.265, MPEG4 |
| Additional | FF, f/2.2 | FF |
| Third camera | | |
| Camera type | Depth of field | Telephoto |
| Photo matrix | 2 Mpx | 8 Mpx |
| Optical zoom | | |
| Flash | LED | 2x LED |
| Dual-colour LED flash | | |
| Video formats | H.264, H.265, MPEG4 - 30 fps | H.264, H.265, MPEG4 |
| Additional | FF, f/2.4 | FF |
| Fourth camera | | |
| Camera type | Macro | nd |
| Photo matrix | 2 Mpx | nd |
| Optical zoom | | nd |
| Flash | LED | nd |
| Dual-colour LED flash | | nd |
| Video formats | H.264, H.265, MPEG4 - 30 fps | nd |
| Additional | FF, f/2.4 | nd |
CAMERAS - FRONT
| First camera | | |
| Camera type | Portrait | Portrait |
| Photo matrix | 32 Mpx | 32 Mpx |
| Optical zoom | | |
| Digital zoom | 4x | |
| Flash | | |
| Dual-colour LED flash | | |
| Video formats | H.264, H.265, MPEG4 - 30 fps | H.264, H.265, MPEG4 |
| Additional | FF, EIS, f/2.0 | FF |
SENSORS
| Accelerometer | | |
| Proximity | | |
| Light | | |
| Magnetometer | | |
| Gyroscope | | |
| Barometer | | |
| Altimeter | | |
| Gravity | | |
| Hall-effect | | |
| Iris scanner | | |
| Fingerprint scanner | | |
| Thermometer | | |
| Hygrometer | | |
Data transfer
| xHTML | | |
| WAP | | v2.0 |
| HSCSD | | |
| HSDPA | 42.20 Mbit/s | 42.20 Mbit/s |
| HSUPA | 5.76 Mbit/s | 11.52 Mbit/s |
| HSPA | | |
| HSPA+ | | |
| LTE DL | - | |
| LTE UP | - | |
| WIMAX+ | | |
| GPRS | | |
| EDGE | | |
| Bluetooth | v5.1 | v5.1 |
| A2DP Profile | | |
| HDMI | | |
| WiFi | v802.11 a/b/g/n/ac | v802.11 a/b/g/n/ac/ax |
| WiFi frequencies | 2,4 GHz; 5 GHz | 2,4 GHz; 5 GHz |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | v3.1 Type-C | 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 |
| 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, MID, WAV, eAAC+ | AAC, AAC+, AMR, APE, FLAC, MID, MKA, 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 | | |