Xiaomi Mi 2 (16GB) vs Xiaomi Redmi 9 (128GB/4GB)
Side by side comparison between Xiaomi Mi 2 vs Xiaomi Redmi 9 phones, differences, pros, cons and full specifications. What's the better?
,
4.3"
IPS
IPS
720x1280
8
MP
MP
2.1mp
2GB
RAM
RAM
Quad-core
2000
mAh
mAh
(Removable)
vs
6.53"
IPS
IPS
1080x2340
13
MP
MP
8mp
4GB
RAM
RAM
Octa-core
5020
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!
5 Advantages 
23 Advantages | 21 Common items in both devices |
| TFT IPS LCD |
| 16 million |
| LED flash |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| 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 | ||
| Xiaomi Mi 2 (16GB) | Redmi 9 (128GB/4GB) | |
| Model | Xiaomi Mi 2 (16GB) | Redmi 9 (128GB/4GB) |
| Other model names | Xiaomi Mi2, Xiaomi Mi-Two, Xiaomi Mi-2, Xiaomi Mi-2C | Xiaomi Redmi 9 M2004J19C |
| Country or region available | feature not registered |  China |
| Brand | Xiaomi | Xiaomi |
| Release date | 11/1/2012 | 6/10/2020 |
| Depth | 10.2 millimeters (0.4 inches) | 9.1 millimeters (0.36 inches) |
| Size (width x height) | 62 x 126 millimeters (2.44 x 4.96 in) | 77.01 x 163.32 millimeters (3.03 x 6.43 in) |
| Weight | 145 grams (5.08 ounces) | 198 grams (6.93 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Xiaomi Mi 2 (16GB) | Redmi 9 (128GB/4GB) | |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 4.3" inches | 6.53" inches |
| Screen-to-body ratio | ~65.2% (screen-to-body ratio) | ~83.2% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels | 1080x2340 pixels (19.5:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 342 PPI | 395 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 3 |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | 400nits[typ] |
🤖 Operating System | ||
| Xiaomi Mi 2 (16GB) | Redmi 9 (128GB/4GB) | |
| System version | Android 4.1.1 Jelly Bean | Android 10 |
| Firmware update | Android 4.4.4 KitKat | Android 11 |
| User Interface | feature not registered | MIUI 12 |
⚙️ Processor | ||
| Xiaomi Mi 2 (16GB) | Redmi 9 (128GB/4GB) | |
| Chipset | 32bit: Qualcomm Snapdragon S4 Pro APQ8064 | 64bit: MediaTek Helio G80 (MT6769V/CU) (12nm) |
| CPU | Quad-core, 1 processor: 4x 1.5GHz Krait (Quad-core) | Octa-core, 2 processors: 2x 2GHz ARM Cortex-A75 (Dual-core) 6x 1.8GHz ARM Cortex-A55 (Hexa-core) |
| GPU graphical controller | Qualcomm Adreno 320 | ARM Mali-G52 MC2 (950MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 201829 (v8) Geekbench: 1325 (v5.1) |
💽 Memory and storage | ||
| Xiaomi Mi 2 (16GB) | Redmi 9 (128GB/4GB) | |
| RAM memory | 2GB LPDDR2 | 4GB LPDDR4X |
| Internal storage | 16GB (13GB available) | 128GB (106GB available) eMMC 5.1 |
| External storage | Not supported | Until 512GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Xiaomi Mi 2 (16GB) | Redmi 9 (128GB/4GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 42/5.76 Mbps | 300/50 Mbps |
| Network technology | 2G, 3G | 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 | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | Not supported | LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | 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 Cat6 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE |
| Secondary data network | Not supported | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A |
📷 Camera | ||
| Xiaomi Mi 2 (16GB) | Redmi 9 (128GB/4GB) | |
| Back camera (main camera) | 8 megapixels | (quad camera) 13 megapixels 8MP ultrawide f/2.2118°1/4.0"1.12µm 5MP macro f/2.4 2MP depth f/2.4 |
| Main camera resolution | 3264x2448 pixels | 4128x3096 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.0 (aperture) | f/2.2 (aperture) |
| Focal length | feature not registered | 28mm (lens) |
| Sensor size | feature not registered | 1/3.1" inches |
| Pixel size | feature not registered | 1.12µm 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, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo only main camera | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Xiaomi Mi 2 (16GB) | Redmi 9 (128GB/4GB) | |
| Front camera (secondary) | 2.1 megapixels | 8 megapixels |
| Front camera resolution | 1920x1080 pixels | 3264x2448 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.0 (aperture) |
| Focal length | feature not registered | 27mm (lens) |
| Sensor size | feature not registered | 1/4" inches |
| Pixel size | feature not registered | 1.12µm pixel |
🔉 Sound and multimedia | ||
| Xiaomi Mi 2 (16GB) | Redmi 9 (128GB/4GB) | |
| Loudspeaker | Supported | Mono sound (not stereo) |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, DivX, XviD, H.264, H.263, WMV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Xiaomi Mi 2 (16GB) | Redmi 9 (128GB/4GB) | |
| USB | MicroUSB 2.0 | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Micro-B USB MHL | USB Type-C (reversible) |
| Bluetooth | 4.0 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Xiaomi Mi 2 (16GB) | Redmi 9 (128GB/4GB) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi Mi 2 (16GB) | Redmi 9 (128GB/4GB) | |
| Battery type | LiPo: li-ion polymer (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 2000 mAh | 5020 mAh |
| Charger, watts | Wired charging | 18W Wired fast charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | feature not registered | 31 hours (1.3 days) |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Xiaomi Mi 2 (16GB) | Redmi 9 (128GB/4GB) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (Swype), 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 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: White, Green, Blue, Red • USB OTG On-The-Go • MIUI 5.0 • Java framework | • Colors: Carbon Gray, Sunset Purple, Ocean Green, Pink/Blue • 10W charger included |
☢️ Radiation rate | ||
| Xiaomi Mi 2 (16GB) | Redmi 9 (128GB/4GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.913W/kg (head), 0.999W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.711W/kg (head), 1.059W/kg (body) |