Xiaomi Redmi Note 12 (China 128GB/4GB) vs Xiaomi Mi A2 (128GB)
Side by side comparison between Xiaomi Redmi Note 12 vs Xiaomi Mi A2 phones, differences, pros, cons and full specifications. What's the better?
,
6.67"
AMOLED
AMOLED
1080x2400
48
MP
MP
8mp
4GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
5.99"
IPS
IPS
1080x2160
12
MP
MP
20mp
6GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Redmi Note 12 (China 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!
16 Advantages 
9 Advantages | 23 Common items in both devices |
| 128GB (101GB available) / 128GB (111GB available) |
| 16 million |
| Only digital zoom |
| PDAF: phase detection autofocus |
| EIS: Digital stabilization |
| HDR photo on both cameras |
| f/1.8 (aperture) |
| +16 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 Note 12 (China 128GB/4GB) | Xiaomi Mi A2 (128GB) | |
| Model | Redmi Note 12 (China 128GB/4GB) | Xiaomi Mi A2 (128GB) |
| Other model names | Redmi Note 12 5G 22101317C | Xiaomi Mi A2 M1804D2SG (128GB + 6GB RAM), 小米6X, Xiaomi Wayne |
| Country or region available |  China |   (Global, International), India |
| Brand | Xiaomi | Xiaomi |
| Release date | 11/1/2022, Announced: 10/27/2022 | 7/27/2018, Announced: 7/24/2018 |
| Depth | 8 millimeters (0.31 inches) | 7.3 millimeters (0.29 inches) |
| Size (width x height) | 76.21 x 165.88 millimeters (3 x 6.53 in) | 75.4 x 158.7 millimeters (2.97 x 6.25 in) |
| Weight | 188 grams (6.58 ounces) | 166 grams (5.81 ounces) |
| Build, materials | Plastic body, glass front | Aluminum body, glass front |
| Protection against water and others | IP53 certified: protection against dust and splashing | Not supported |
📲 Display | ||
| Redmi Note 12 (China 128GB/4GB) | Xiaomi Mi A2 (128GB) | |
| Display type | AMOLED | LTPS IPS LCD |
| Screen size | 6.67" inches | 5.99" inches |
| Screen-to-body ratio | ~85% (screen-to-body ratio) | ~77.4% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 1080x2160 pixels (19:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 395 PPI | 403 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 5 |
| Refresh rate | 120Hz | 60Hz |
| Display features | 450nits[typ], 1200nits[peak] 100% DCI P3 Touch Sampling Rate: 240Hz | Not supported |
🤖 Operating System | ||
| Redmi Note 12 (China 128GB/4GB) | Xiaomi Mi A2 (128GB) | |
| System version | Android 12 | Android 8.1 Oreo |
| Firmware update | Android 13 | Android 10 |
| User Interface | MIUI 13 / 14 | feature not registered |
⚙️ Processor | ||
| Redmi Note 12 (China 128GB/4GB) | Xiaomi Mi A2 (128GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 4 Gen 1 (SM4375) (6nm) | 64bit: Qualcomm Snapdragon 660 (SDM660) (14nm) |
| CPU | Octa-core, 2 processors: 2x 2GHz ARM Cortex-A78 (Dual-core) 6x 1.8GHz ARM Cortex-A55 (Hexa-core) | Octa-core, 2 processors: 4x 2.2GHz Kryo 260 Gold (Quad-core) 4x 1.8GHz Kryo 260 Silver (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 619 | Qualcomm Adreno 512 (650MHz) |
| Performance (benchmark) | AnTuTu: 360847 (v9) Geekbench: 1998 (v5.1), 2017 (v6) | AnTuTu: 130927 (v7), 172886 (v8) Geekbench: 4625 (v4.4), 1157 (v5.1) GFXBench: 8.6fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Redmi Note 12 (China 128GB/4GB) | Xiaomi Mi A2 (128GB) | |
| RAM memory | 4GB LPDDR4X | 6GB LPDDR4X |
| Internal storage | 128GB (101GB available) UFS 2.2 | 128GB (111GB available) eMMC 5.1 |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Redmi Note 12 (China 128GB/4GB) | Xiaomi Mi A2 (128GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Dual-SIM Standby - Call active on one sim card |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 2000/1024 Mbps | 600/150 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 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, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO UMTS 850/900/1900/2100 | Global version: UMTS 850/900/1700/1900/2100 India version: UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat15 (1, 3, 5, 7, 8) TD-LTE (34, 38, 39, 40, 41) VoLTE | LTE Cat12 VoLTE Global version: LTE (Bands 1, 2, 3, 4, 5, 7, 8, 20) TD-LTE (Bands 38, 40) India version: LTE (Bands 1, 3, 5) TD-LTE (Bands 40, 41) |
| Primary 5G network | SA/NSA (1, 3, 5, 8, 28, 41, 77, 78) | Not supported |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | CDMA 800, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | CDMA2000 1xEV-DO UMTS 850/900/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat15 (1, 3, 5, 7, 8) TD-LTE (34, 38, 39, 40, 41) VoLTE | Not supported |
| Secondary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE |
📷 Camera | ||
| Redmi Note 12 (China 128GB/4GB) | Xiaomi Mi A2 (128GB) | |
| Back camera (main camera) | (dual camera) 48 megapixels 2MP depth f/2.41.75µm | (dual camera) 12 megapixels 20MP f/1.81/2.8"1.0µm |
| Main camera resolution | 8000x6000 pixels | 4000x3000 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | Dual-LED on main camera and LED on front camera |
| Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/2.76" inches | 1/2.9" inches |
| Pixel size | 0.8µm pixel | 1.25µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection 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 | Supported | Not supported |
| HDR | HDR photo on both cameras | HDR photo on both cameras |
| Camera extras | 1080p@30fps 720p@120fps (slow motion) | feature not registered |
📸 Front camera | ||
| Redmi Note 12 (China 128GB/4GB) | Xiaomi Mi A2 (128GB) | |
| Front camera (secondary) | 8 megapixels | 20 megapixels |
| Front camera resolution | 3264x2448 pixels | 5164x3872 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | LED |
| Focal aperture | f/2.0 (aperture) | f/2.2 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/4" inches | 1/2.8" inches |
| Pixel size | 1.12µm pixel | 1µm pixel |
🔉 Sound and multimedia | ||
| Redmi Note 12 (China 128GB/4GB) | Xiaomi Mi A2 (128GB) | |
| Loudspeaker | Mono sound (not stereo) 24-bit/192kHz | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, OGG, eAAC+, FLAC |
🔌 Connectivity | ||
| Redmi Note 12 (China 128GB/4GB) | Xiaomi Mi A2 (128GB) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 2.0 Type-C reversible connector |
| Audio output | 3.5mm jack | Type-C jack with 3.5mm jack adapter |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.1 + A2DP/LE | 5.0 + A2DP/LE |
| 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) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Not supported | Not supported |
| Infrared port | Supported | Supported |
🧭 Sensors | ||
| Redmi Note 12 (China 128GB/4GB) | Xiaomi Mi A2 (128GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Redmi Note 12 (China 128GB/4GB) | Xiaomi Mi A2 (128GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 5000 mAh | 3000 mAh |
| Charger, watts | 33W Wired fast charging | 18W Wired fast charging Quick Charge 4 |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Redmi Note 12 (China 128GB/4GB) | Xiaomi Mi A2 (128GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder |
| Messaging | SMS (T9), 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 | Not supported | Not supported |
| Miscellaneous | • Colors: Black, White, Blue | • Colors: Black, Gold, Blue, Red, Rose Gold • Android One • Back camera sensor: Sony IMX486/IMX376 • Front camera sensor: Sony IMX376 • WiFi display |
☢️ Radiation rate | ||
| Redmi Note 12 (China 128GB/4GB) | Xiaomi Mi A2 (128GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.96W/kg (head), 0.64W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 1.16W/kg (head), 0.66W/kg (body) |