Amazon Fire vs Xiaomi Redmi 7
| Type | Touch | Touch |
| Dimensions | 139.20 x 66.50 x 8.90 mm | 158.73 x 75.58 x 8.47 mm |
| Weight | 160.00 g | 180.00 g |
| Display size | 4.70" | 6.26" |
| Display | Color / TFT 16M colors 720 x 1280 px (4.70") 312 ppi | Color / IPS TFT 16M colors 720 x 1520 px (6.26") 269 ppi |
| Display protection |   | Corning Gorilla Glass Buy screen protector
|
| Additional display | | |
| Protection of the secondary display | | |
| Talk time (max.) | 2G: 1320 min. (22.0 h) | 3G: 1620 min. (27.0 h) |
| Stand-by (max.) | 3G: 285 h. (11.9 days) | 3G: 412 h. (17.2 days) |
| Playback time (max.) | Audio: 65 h (2.7 days) Video: 11 h (0.5 days) | Video: 15,5 h (0.6 days) |
| Standard battery | Li-Ion 2400 mAhBuy powerbank
| Li-Ion 4000 mAhBuy powerbank
|
| Quick battery charging | | |
| Wireless battery charging | | |
| Internal memory | 32 GB, 64 GB | 16 GB, 32 GB, 64 GB |
| RAM memory | 2 GB | 2 GB, 3 GB, 4 GB |
| Memory cards | |  microSD, microSDHC, microSDXC up to 512 GBBuy memory card |
| Operating system | Fire OS 3.5 | Android 9.0 Pie |
| Interface | - | MIUI 10 |
| Processor | Qualcomm Snapdragon 800 8974AA | Qualcomm Snapdragon 632 |
| Processor clock | 2200 MHz | 1800 MHz |
| GPU | Adreno 330 @450 MHz | Adreno 506 |
| Touchscreen | | |
| DualSIM | | |
| SIM cards standard | SingleSIM(nanoSIM) | DualSIM(nanoSIM, nanoSIM) |
| DualSIM mode | nd | dual standby |
| Hybrid DualSIM | nd | |
| Announced |  | 1Q 2019 |
| Other names | Amazon smartphone | - |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 850 900 1700 1900 2100 | 850 900 1900 2100 |
| LTE standard | FDD LTE: 2600, 2100, 1900, 1800, 1700, 900, 850, 800, 700 | FDD LTE: 2600, 2100, 1800, 900, 850 TDD LTE: 2600, 2500, 2300, 2100, 1900 |
| CDMA | | |
| Standard TD-SCDMA | | 1900 2000 |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Photo matrix | 13 Mpx | 12 Mpx |
| Resolution | 4128x3096 px | |
| Optical zoom | | |
| Digital zoom | 6x | |
| Flash | LED | LED |
| Dual-colour LED flash | | |
| Video resolution | 1920x1080 px | 1920x1080 px |
| Video formats | H.263, H.264, MPEG4 - 30 fps | H.263, H.264, MPEG4 - 30 fps |
| Additional | AF, OIS, f/2.2 | AF, f/2.2 |
| Second camera | | |
| Photo matrix | nd | 2 Mpx |
| Optical zoom | nd | |
| Flash | nd | LED |
| Dual-colour LED flash | nd | |
| Video formats | nd | H.263, H.264, MPEG4 - 30 fps |
| Additional | nd | FF |
CAMERAS - FRONT
| First camera | | |
| Photo matrix | 2.1 Mpx | 8 Mpx |
| Resolution | 1920x1090 px | |
| Optical zoom | | |
| Flash | | |
| Dual-colour LED flash | | |
| Video formats | H.263, H.264, MPEG4 - 30 fps | H.263, H.264, MPEG4 - 30 fps |
| Additional | - | 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 | | 42.20 Mbit/s |
| HSUPA | | 5.76 Mbit/s |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | 300.00 Mbit/s |
| LTE UP | | 150.00 Mbit/s |
| WIMAX+ | | |
| GPRS | | |
| EDGE | | |
| Bluetooth | v3.0 | v4.2 |
| A2DP Profile | | |
| HDMI | | |
| WiFi | v802.11 a/b/g/n/ac | v802.11 b/g/n |
| WiFi frequencies | 2,4 GHz; 5 GHz | 2,4 GHz |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | v2.0 | 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 | OTHER | T9 |
| Swype | | |
| e-mail client | POP3, IMAP4, SMTP | POP3, IMAP4, SMTP |
| Hardware QWERTY keyboard | | |
| RSS Reader | | |
Multimedia
| Radio | | |
| MP3 | | |
| Stereo speakers | 2 | |
| Audio Jack | 3.5 mm | 3.5 mm |
| HD Voice | | |
| Sound formats | AAC, AAC+, AAX, AMR, OGG, eAAC+ | AAC, AAC+, AMR, FLAC, MID, WAV, eAAC+ |
| Polyphony | 64 voices | |
| Video ringtone | | |
| Ring composer | | |
| Games | | |
| Java | | 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 | | |