Amazon Kindle Fire HDX 8.9 (4G LTE 16GB) vs Xiaomi Redmi Note 9S (128GB)
Side by side comparison between Amazon Kindle Fire HDX 8.9 vs Xiaomi Redmi Note 9S devices, differences, pros, cons and full specifications. What's the better?
,
8.9"
IPS
IPS
2560x1600
8
MP
MP
1.2mp
2GB
RAM
RAM
Quad-core
4500
mAh
mAh
(Non removable)
vs
6.67"
IPS
IPS
1080x2400
48
MP
MP
16mp
6GB
RAM
RAM
Octa-core
5020
mAh
mAh
(Non removable)
What's the better device? Xiaomi Redmi Note 9S (128GB)
The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!
3 Advantages 
26 Advantages | 16 Common items in both devices |
| TFT IPS LCD |
| 16 million |
| LED flash |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| 4G LTE / 4G LTE-A |
| Capacitive |
| +9 specs and more in the table below |
Check the comparison table below for more items that are not evaluated in comparison score above.
Highlight differences Clear highlight📱 Model features | ||
| Amazon Kindle Fire HDX 8.9 (4G LTE 16GB) | Redmi Note 9S (128GB) | |
| Model | Kindle Fire HDX 8.9 (4G LTE 16GB) | Redmi Note 9S (128GB) |
| Other model names | AT&T Amazon Kindle Fire HDX 8.9, Verizon Kindle Fire HDX 8.9 | Xiaomi Note 9S (M2003J6A1G Global version) 6GB RAM |
| Country or region available | feature not registered |  (Global, International) |
| Brand | Amazon | Xiaomi |
| Release date | 11/1/2013 | 4/30/2020, Announced: 3/23/2020 |
| Depth | 7.8 millimeters (0.31 inches) | 8.8 millimeters (0.35 inches) |
| Size (width x height) | 158 x 231 millimeters (6.22 x 9.09 in) | 76.68 x 165.75 millimeters (3.02 x 6.53 in) |
| Weight | 384 grams (13.44 ounces) | 209 grams (7.32 ounces) |
| Build, materials | feature not registered | Plastic body, glass front/back |
| Protection against water and others | Not supported | P2i certified: water repellent nano-coating |
📲 Display | ||
| Amazon Kindle Fire HDX 8.9 (4G LTE 16GB) | Redmi Note 9S (128GB) | |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 8.9" inches | 6.67" inches |
| Screen-to-body ratio | ~62.9% (screen-to-body ratio) | ~84.5% (screen-to-body ratio) |
| Display resolution | 2560x1600 pixels | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 339 PPI | 395 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 5 |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | 450nits[typ] HDR10 |
🤖 Operating System | ||
| Amazon Kindle Fire HDX 8.9 (4G LTE 16GB) | Redmi Note 9S (128GB) | |
| System version | Android 4.2.2 Jelly Bean | Android 10 |
| Firmware update | feature not registered | Android 11 |
| User Interface | feature not registered | MIUI 11 / 12 |
⚙️ Processor | ||
| Amazon Kindle Fire HDX 8.9 (4G LTE 16GB) | Redmi Note 9S (128GB) | |
| Chipset | 32bit: Qualcomm Snapdragon 800 MSM8974 v1 | 64bit: Qualcomm Snapdragon 720G (SM7125) (8nm) |
| CPU | Quad-core, 1 processor: 4x 2.2GHz Krait 400 (Quad-core) | Octa-core, 2 processors: 2x 2.3GHz Kryo 465 Gold (Dual-core) 6x 1.8GHz Kryo 465 Silver (Hexa-core) |
| GPU graphical controller | Qualcomm Adreno 330 | Qualcomm Adreno 618 (750MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 279625 (v8) Geekbench: 1785 (v5.1) GFXBench: 15fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Amazon Kindle Fire HDX 8.9 (4G LTE 16GB) | Redmi Note 9S (128GB) | |
| RAM memory | 2GB LPDDR3 | 6GB LPDDR4X |
| Internal storage | 16GB (10GB available) | 128GB (106GB available) UFS 2.1 |
| External storage | Not supported | Until 512GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Amazon Kindle Fire HDX 8.9 (4G LTE 16GB) | Redmi Note 9S (128GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 1 slot (Single-SIM) micro-SIM (3FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 100/50 Mbps | 800/150 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | CDMA 800/1900, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO, UMTS 850/900/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE 700/1700/2100 | LTE Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40) VoLTE |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40) VoLTE |
| Secondary data network | Not supported | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
📷 Camera | ||
| Amazon Kindle Fire HDX 8.9 (4G LTE 16GB) | Redmi Note 9S (128GB) | |
| Back camera (main camera) | 8 megapixels | (quad camera) 48 megapixels 8MP ultrawide f/2.213mm1/4"1.12µm119° 5MP macro f/2.41/5"1.12µmAF 2MP depth f/2.4 |
| Main camera resolution | 3264x2448 pixels | 8000x6000 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.2 (aperture) | f/1.8 (aperture) |
| Focal length | feature not registered | 26mm lens |
| Sensor size | feature not registered | 1/2" inches |
| Pixel size | feature not registered | 0.8µm pixel |
| Autofocus | Autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | feature not registered | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection | Face detection, Smile detection |
| BSI sensor | Not supported | Supported |
| HDR | HDR photo only main camera | HDR photo on both cameras |
| Camera extras | feature not registered | 4K@30fps 1080p@30/60fps 1080p@120fps (slow motion) 720p@960fps (slow motion) |
📸 Front camera | ||
| Amazon Kindle Fire HDX 8.9 (4G LTE 16GB) | Redmi Note 9S (128GB) | |
| Front camera (secondary) | 1.2 megapixels | 16 megapixels |
| Front camera resolution | 1280x960 pixels | 4608x3456 pixels |
| Video recording (secondary) | HD (1280x720) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.5 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/3.06" inches |
| Pixel size | feature not registered | 1µm pixel |
🔉 Sound and multimedia | ||
| Amazon Kindle Fire HDX 8.9 (4G LTE 16GB) | Redmi Note 9S (128GB) | |
| Loudspeaker | Supported | Mono sound (not stereo) |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.263, VP8 | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, AAC+, OGG, AC3 | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Amazon Kindle Fire HDX 8.9 (4G LTE 16GB) | Redmi Note 9S (128GB) | |
| USB | MicroUSB 2.0 | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 3.0 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Amazon Kindle Fire HDX 8.9 (4G LTE 16GB) | Redmi Note 9S (128GB) | |
| Sensors | Accelerometer Ambient light sensor Gyroscope | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Amazon Kindle Fire HDX 8.9 (4G LTE 16GB) | Redmi Note 9S (128GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 4500 mAh | 5020 mAh |
| Charger, watts | Wired charging | 18W Wired fast charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 12 hours | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Amazon Kindle Fire HDX 8.9 (4G LTE 16GB) | Redmi Note 9S (128GB) | |
| Call control | Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS, MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Wireless external keyboard | Not supported |
| Miscellaneous | • Colors: Black • Fire OS 3.0 Mojito UI • Amazon Appstore • Amazon Silk • Dolby Digital Plus sound • Free cloud storage for all Amazon content • Text-to-Speech english-language content reader | • Colors: Aurora Blue, Glacier White, Interstellar Black |
☢️ Radiation rate | ||
| Amazon Kindle Fire HDX 8.9 (4G LTE 16GB) | Redmi Note 9S (128GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.96W/kg (head), 0.4W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.72W/kg (head), 0.98W/kg (body) |