In depth comparison and review of Xiaomi MI A2 and Xiaomi Redmi Note 9T. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.
| DESIGN AND DIMENSIONS | Xiaomi MI A2 | Xiaomi Redmi Note 9T |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 158.7 mm | 161.9 mm | Xiaomi Redmi Note 9T has greater height than Xiaomi MI A2. |
| Width | 75.4 mm | 77.3 mm | Xiaomi Redmi Note 9T has greater width than Xiaomi MI A2. |
| Depth | 7.3 mm | 9.05 mm | Xiaomi MI A2 is narrower than Xiaomi MI A2. |
| Weight | 168 g | 199 g | Xiaomi MI A2 is lighter than Xiaomi MI A2. |
| Body Colour | Black | Lake blue | Gold | Daybreak purple | |
| Body Material | Metal | - | |
| Protection | - | Splashproof | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.639 W/kg (body), 0.963 W/kg (head) | 0.937 W/kg (body), 0.592 W/kg (head), 1.981 W/kg (limb) | |
| Connector Type | USB Type-C - 24 pin USB-C | - | |
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Xiaomi MI A2 | Xiaomi Redmi Note 9T |
|---|
| Display Type | LCD display | - | |
|---|---|---|---|
| Display Technology | IPS | - | |
| Screen Size (Display Size) | 5.99" | 6.53" | Xiaomi Redmi Note 9T has larger screen size than Xiaomi MI A2. |
| Screen Resolution (Display Resolution) | 2160 x 1080 pixels | 2340 x 1080 pixels | Xiaomi Redmi Note 9T has better screen resolution than Xiaomi MI A2. |
| Display Format | Full HD+ | Full HD+ | |
| Pixel Density | 403 ppi | 395 ppi | Xiaomi MI A2 has better pixel density than Xiaomi Redmi Note 9T. |
| Aspect Ratio | 18:9 | 19.5:9 | |
| Max Brightness | - | 450 cd/m² | |
| Contrast Ratio | 1500:1 | 1500:1 | Both phones have the same display contrast ratio. |
| Display Features | 2.5D curved glass | Reading mode, night mode, Dot Display | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass) | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | Xiaomi MI A2 | Xiaomi Redmi Note 9T |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 660 | MediaTek Dimensity 800U | |
|---|---|---|---|
| Clock Speed | 2.2 GHz | 2.3 GHz | Xiaomi Redmi Note 9T has higher clock speed than Xiaomi MI A2. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | - | Mali-G57 |
| MEMORY | Xiaomi MI A2 | Xiaomi Redmi Note 9T |
|---|
| RAM | 4 GB | LPDDR4X SDRAM - 4 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 64 GB | Xiaomi Redmi Note 9T has more internal memory than Xiaomi MI A2. |
| Memory Interface | - | UFS 2.2 | |
| Supported Flash Memory Cards (Expandable Memory) | - | microSD |
| CAMERA | Xiaomi MI A2 | Xiaomi Redmi Note 9T |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 3 | |
|---|---|---|---|
| Sensor Resolution | 20 Megapixel | 48 Megapixel | Xiaomi Redmi Note 9T has better camera resolution than Xiaomi MI A2. |
| Sensor Size | 1/2.8" | 1/2" | Xiaomi MI A2 has better camera sensor size than Xiaomi Redmi Note 9T. |
| Sensor Name | Sony Exmor RS IMX376 sensor | - | |
| Lens Aperture | F/1.75 | F/1.79 | Xiaomi MI A2 has better lens aperture than Xiaomi MI A2. |
| Pixel Size | - | 0.8 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | HDR, Beautify 4.0 | - | |
| Camera Modes | Burst mode, Panorama, portrait mode, AI portrait mode, group selfi mode, AI Beauty | - | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi MI A2 has face detection. |
| Light Source | LED light | Flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps, 720 x 480 (480p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 960 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), AI Dual camera, 4-in-1 Super Pixel | 4-in-1 Super Pixel |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | 2 Megapixel | Xiaomi MI A2 has better second camera resolution than Xiaomi Redmi Note 9T. |
|---|---|---|---|
| Sensor Size (2nd Camera) | 1/2.9" | - | |
| Sensor Name (2nd Camera) | Sony Exmor RS IMX486 sensor | - | |
| Lens Aperture (2nd Camera) | F/1.75 | F/2.4 | Xiaomi MI A2 has better second camera lens aperture than Xiaomi MI A2. |
| Pixel Size (2nd Camera) | - | 1.75 μm | |
| Camera Functions (2nd Camera) | - | Macro camera |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Pixel Size (3rd Camera) | - | 1.75 μm | |
| Camera Functions (3rd Camera) | - | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 20 Megapixel | 13 Megapixel | Xiaomi MI A2 has better front camera resolution than Xiaomi Redmi Note 9T. |
| Sensor Name (Front) | Sony Exmor RS IMX376 sensor | - | |
| Lens Aperture (Front) | F/2.2 | F/2.25 | Xiaomi MI A2 has better front lens aperture than Xiaomi MI A2. |
| Focus Adjustment | Automatic | - | |
| Face Recognition (Face ID) | Face recognition | Face recognition | Both phones have face detection. |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps | |
| Camera Features (Front) | AI-powered portrait mode | - |
| BATTERY AND CHARGING | Xiaomi MI A2 | Xiaomi Redmi Note 9T |
|---|
| Battery Capacity (Battery Size) | 3010 mAh | 5000 mAh | Xiaomi Redmi Note 9T has larger battery capacity than Xiaomi MI A2. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 3.0 | - | Xiaomi MI A2 has fast charging technology. |
| Battery Technology | Lithium Ion | - |
| CELLULAR | Xiaomi MI A2 | Xiaomi Redmi Note 9T |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Xiaomi Redmi Note 9T has more advanced generation mobile network. |
| Operating System | Android One | Android 10 | |
| User Interface | - | MIUI 12 | |
| Intelligent Assistant | Google Assistant | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, GLONASS, Galileo |
| COMMUNICATIONS | Xiaomi MI A2 | Xiaomi Redmi Note 9T |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | FDD-LTE, TDD-LTE, 5G NR FR1 | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | - | |
| 3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 18, Band 19, Band 20, Band 26, Band 28, Band 32, Band 38, Band 40, Band 41, Band 42 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 2300, TDD 2500, TDD 3500 | |
| 5G NR Band | - | N1, n3, n5, n7, n8, n20, n28, n38, n41, n77, n78, n79 | |
| 5G NR Frequency | - | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, TDD TD 3700, TDD TD 3500, TDD TD 4500 | |
| Wireless Interface | Infrared (IrDA), IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.1 | |
| NFC | - | Yes | Xiaomi Redmi Note 9T has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Xiaomi MI A2 | Xiaomi Redmi Note 9T |
|---|
| Supported Digital Audio Standards | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, MIDI, MP4, AMR-WB, AMR-NB | AAC, LDAC, LHDC | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP | - |
| FEATURES | Xiaomi MI A2 | Xiaomi Redmi Note 9T |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor, vibration sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, infrared (IR) sensor | |
| Security Devices | Fingerprint reader | Face recognition, fingerprint reader (side) | |
| Security Technology | - | AI face unlock | |
| Additional Phone Features | Wi-Fi Miracast, AI Engine | Infrared remote control, linear motor, WriteBooster technology, Host Performance Booster (HPB) technology |
| OTHERS | Xiaomi MI A2 | Xiaomi Redmi Note 9T |
|---|
| Included Accessories | USB cable, power adapter, SIM card removal tool, clear soft case, Type-C to audio converter | Protective cover, power adapter, SIM card removal tool, USB-C cable | |
|---|---|---|---|
| Compliant Standards | - | TUV Rheinland Low Blue Light Certification |
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