Xiaomi Redmi 9 (128GB/4GB) vs Xiaomi Mi 3 (16GB)
Side by side comparison between Xiaomi Redmi 9 vs Xiaomi Mi 3 phones, differences, pros, cons and full specifications. What's the better?
,
6.53"
IPS
IPS
1080x2340
13
MP
MP
8mp
4GB
RAM
RAM
Octa-core
5020
mAh
mAh
(Non removable)
vs
5"
IPS
IPS
1080x1920
13
MP
MP
2.1mp
2GB
RAM
RAM
Quad-core
3050
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Redmi 9 (128GB/4GB)
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!
18 Advantages 
8 Advantages | 21 Common items in both devices |
| 16 million |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| EIS: Digital stabilization |
| f/2.2 (aperture) |
| Full HD (1920x1080) |
| (front) Full HD (1920x1080) |
| +14 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 | ||
| Redmi 9 (128GB/4GB) | Xiaomi Mi 3 (16GB) | |
| Model | Redmi 9 (128GB/4GB) | Xiaomi Mi 3 (16GB) |
| Other model names | Xiaomi Redmi 9 M2004J19C | Xiaomi Mi3 WCDMA, Xiaomi 3 China Unicom |
| Country or region available |  China | feature not registered |
| Brand | Xiaomi | Xiaomi |
| Release date | 6/10/2020 | 12/1/2013 |
| Depth | 9.1 millimeters (0.36 inches) | 8.1 millimeters (0.32 inches) |
| Size (width x height) | 77.01 x 163.32 millimeters (3.03 x 6.43 in) | 73.6 x 144 millimeters (2.9 x 5.67 in) |
| Weight | 198 grams (6.93 ounces) | 145 grams (5.08 ounces) |
| Build, materials | Plastic body, glass front | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Redmi 9 (128GB/4GB) | Xiaomi Mi 3 (16GB) | |
| Display type | TFT IPS LCD | TFT LED-Backlit IPS LCD |
| Screen size | 6.53" inches | 5" inches |
| Screen-to-body ratio | ~83.2% (screen-to-body ratio) | ~65% (screen-to-body ratio) |
| Display resolution | 1080x2340 pixels (19.5:9) | 1080x1920 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 395 PPI | 441 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Gorilla Glass 3 |
| Refresh rate | 60Hz | feature not registered |
| Display features | 400nits[typ] | feature not registered |
🤖 Operating System | ||
| Redmi 9 (128GB/4GB) | Xiaomi Mi 3 (16GB) | |
| System version | Android 10 | Android 4.2.1 Jelly Bean |
| Firmware update | Android 11 | Android 4.4.2 KitKat |
| User Interface | MIUI 12 | feature not registered |
⚙️ Processor | ||
| Redmi 9 (128GB/4GB) | Xiaomi Mi 3 (16GB) | |
| Chipset | 64bit: MediaTek Helio G80 (MT6769V/CU) (12nm) | 32bit: Qualcomm Snapdragon 800 MSM8274AB (28nm) |
| CPU | Octa-core, 2 processors: 2x 2GHz ARM Cortex-A75 (Dual-core) 6x 1.8GHz ARM Cortex-A55 (Hexa-core) | Quad-core, 1 processor: 4x 2.3GHz Krait 400 (Quad-core) |
| GPU graphical controller | ARM Mali-G52 MC2 (950MHz) | Qualcomm Adreno 330 450MHz |
| Performance (benchmark) | AnTuTu: 201829 (v8) Geekbench: 1325 (v5.1) | feature not registered |
💽 Memory and storage | ||
| Redmi 9 (128GB/4GB) | Xiaomi Mi 3 (16GB) | |
| RAM memory | 4GB LPDDR4X | 2GB LPDDR3 |
| Internal storage | 128GB (106GB available) eMMC 5.1 | 16GB (13GB available) |
| External storage | Until 512GB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Redmi 9 (128GB/4GB) | Xiaomi Mi 3 (16GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 300/50 Mbps | 42/5.76 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G |
| 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 | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | UMTS 850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A | Not supported |
📷 Camera | ||
| Redmi 9 (128GB/4GB) | Xiaomi Mi 3 (16GB) | |
| Back camera (main camera) | (quad camera) 13 megapixels 8MP ultrawide f/2.2118°1/4.0"1.12µm 5MP macro f/2.4 2MP depth f/2.4 | 13 megapixels |
| Main camera resolution | 4128x3096 pixels | 4128x3096 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | f/2.2 (aperture) | f/2.2 (aperture) |
| Focal length | 28mm lens | 28mm lens |
| Sensor size | 1/3.1" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Supported |
| HDR | HDR photo on both cameras | HDR photo/video only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Redmi 9 (128GB/4GB) | Xiaomi Mi 3 (16GB) | |
| Front camera (secondary) | 8 megapixels | 2.1 megapixels |
| Front camera resolution | 3264x2448 pixels | 1920x1080 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.2 (aperture) |
| Focal length | 27mm lens | feature not registered |
| Sensor size | 1/4" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Redmi 9 (128GB/4GB) | Xiaomi Mi 3 (16GB) | |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, DivX, XviD, H.264, H.263, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| Redmi 9 (128GB/4GB) | Xiaomi Mi 3 (16GB) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 4.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Supported |
| Infrared port | Supported | Not supported |
🧭 Sensors | ||
| Redmi 9 (128GB/4GB) | Xiaomi Mi 3 (16GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Redmi 9 (128GB/4GB) | Xiaomi Mi 3 (16GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) BM31 |
| Battery capacity | 5020 mAh | 3050 mAh |
| Charger, watts | 18W Wired fast charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | 31 hours (1.3 days) | 20 hours |
| Standby | feature not registered | 400 hours (16.7 days) |
➕ Other features | ||
| Redmi 9 (128GB/4GB) | Xiaomi Mi 3 (16GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (Swype), 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 | Not supported | Not supported |
| Miscellaneous | • Colors: Carbon Gray, Sunset Purple, Ocean Green, Pink/Blue • 10W charger included | • Colors: Metallic gray • USB OTG On-The-Go 1.3 • MI UI 5.0 • Dirac HD sound • Touchscreen with gloves • WiFi display |
☢️ Radiation rate | ||
| Redmi 9 (128GB/4GB) | Xiaomi Mi 3 (16GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.913W/kg (head), 0.999W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.711W/kg (head), 1.059W/kg (body) | feature not registered |