Detailed comparison and review of Xiaomi MI A1 and Xiaomi Redmi Note 9T. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
DESIGN AND DIMENSIONS | Xiaomi MI A1 | Xiaomi Redmi Note 9T |
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Product Type | Smartphone | Smartphone | |
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Form Factor | Touch | Touch | |
Height | 155.4 mm | 161.9 mm | Xiaomi Redmi Note 9T has greater height than Xiaomi MI A1. |
Width | 75.8 mm | 77.3 mm | Xiaomi Redmi Note 9T has greater width than Xiaomi MI A1. |
Depth | 7.3 mm | 9.05 mm | Xiaomi MI A1 is narrower than Xiaomi MI A1. |
Weight | 165 g | 199 g | Xiaomi MI A1 is lighter than Xiaomi MI A1. |
Body Colour | Black | Daybreak purple | |
Body Material | Metal | - | |
Protection | - | Splashproof | |
Waterproof (Water-resistant) | - | - | |
SAR Value | 0.76 W/kg (body), 1.75 W/kg (head) | 0.937 W/kg (body), 0.592 W/kg (head), 1.981 W/kg (limb) | |
Integrated Components | FM radio | - | |
Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
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SIM Card Type (Size) | Nano SIM | Nano SIM | |
SIM Card Qty | Dual-SIM | Dual-SIM | |
SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
DISPLAY | Xiaomi MI A1 | Xiaomi Redmi Note 9T |
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Display Type | LCD display | - | |
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Display Technology | LTPS IPS | - | |
Screen Size (Display Size) | 5.5" | 6.53" | Xiaomi Redmi Note 9T has larger screen size than Xiaomi MI A1. |
Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2340 x 1080 pixels | Xiaomi Redmi Note 9T has better screen resolution than Xiaomi MI A1. |
Display Format | Full HD | Full HD+ | |
Pixel Density | 403 ppi | 395 ppi | Xiaomi MI A1 has better pixel density than Xiaomi Redmi Note 9T. |
Aspect Ratio | - | 19.5:9 | |
Max Brightness | 450 cd/m² | 450 cd/m² | Both phones have the same display brightness |
Contrast Ratio | - | 1500:1 | |
Display Features | 2.5D curved glass | Reading mode, night mode, Dot Display | |
Display Protection (Screen Protector) | Corning Gorilla Glass (scratch resistant glass) | Corning Gorilla Glass 5 (scratch resistant glass) |
PROCESSOR | Xiaomi MI A1 | Xiaomi Redmi Note 9T |
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Processor Type (CPU) | Qualcomm Snapdragon 625 | MediaTek Dimensity 800U | |
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Clock Speed | 2 GHz | 2.3 GHz | Xiaomi Redmi Note 9T has higher clock speed than Xiaomi MI A1. |
Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
Graphics System (GPU) | Qualcomm ADRENO 506 | Mali-G57 |
MEMORY | Xiaomi MI A1 | Xiaomi Redmi Note 9T |
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RAM | 4 GB | LPDDR4X SDRAM - 4 GB | Both phones have the same RAM size. |
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Internal Memory Size (Storage Capacity) | 32 GB | 64 GB | Xiaomi Redmi Note 9T has more internal memory than Xiaomi MI A1. |
Memory Interface | - | UFS 2.2 | |
Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSD |
CAMERA | Xiaomi MI A1 | Xiaomi Redmi Note 9T |
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MAIN CAMERA |
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Number of Main Cameras | 2 | 3 | |
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Sensor Resolution | 12 Megapixel | 48 Megapixel | Xiaomi Redmi Note 9T has better camera resolution than Xiaomi MI A1. |
Sensor Size | - | 1/2" | |
Lens Type | Wide-angle lens | - | |
Lens Aperture | F/2.2 | F/1.79 | Xiaomi Redmi Note 9T has better lens aperture than Xiaomi MI A1. |
Lens Construction | 5-element | - | |
Pixel Size | - | 0.8 μm | |
Focus Adjustment | Automatic | Automatic | |
Optical Zoom | 2x | - | |
Digital Zoom | 10x | - | |
Special Effects | HDR, Beautify 3.0 | - | |
Camera Modes | Panorama, Continuous shot, low-light shots | - | |
Face Recognition (Face ID) | Face recognition | - | Xiaomi MI A1 has face detection. |
Light Source | Dual LED flash | 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 | 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), geotagging, Two-tone flash | 4-in-1 Super Pixel |
SECOND CAMERA |
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Sensor Resolution (2nd Camera) | 12 Megapixel | 2 Megapixel | Xiaomi MI A1 has better second camera resolution than Xiaomi Redmi Note 9T. |
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Lens Type (2nd Camera) | Telephoto lens | - | |
Lens Aperture (2nd Camera) | F/2.6 | F/2.4 | Xiaomi Redmi Note 9T has better second camera lens aperture than Xiaomi MI A1. |
Pixel Size (2nd Camera) | - | 1.75 μm | |
Camera Functions (2nd Camera) | - | Macro camera |
THIRD CAMERA |
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Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
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Lens Aperture (3rd Camera) | - | F/2.4 | |
Pixel Size (3rd Camera) | - | 1.75 μm | |
Camera Functions (3rd Camera) | - | Depth camera |
FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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Sensor Resolution (Front) | 5 Megapixel | 13 Megapixel | Xiaomi Redmi Note 9T has better front camera resolution than Xiaomi MI A1. |
Lens Aperture (Front) | - | F/2.25 | |
Camera Modes (Front) | Beautify with 36 smart beauty profiles | - | |
Face Recognition (Face ID) | Face recognition | Face recognition | Both phones have face detection. |
Video Resolutions (Front) | 1920 x 1080 (1080p) | 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) | Self-timer | - |
BATTERY AND CHARGING | Xiaomi MI A1 | Xiaomi Redmi Note 9T |
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Battery Capacity (Battery Size) | 3080 mAh | 5000 mAh | Xiaomi Redmi Note 9T has larger battery capacity than Xiaomi MI A1. |
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Battery Technology | Lithium Ion | - |
CELLULAR | Xiaomi MI A1 | Xiaomi Redmi Note 9T |
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Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
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Mobile Broadband Generation | 4G | 5G | Xiaomi Redmi Note 9T has more advanced generation mobile network. |
Operating System | Google Android | Android 10 | |
User Interface | - | MIUI 12 | |
Intelligent Assistant | Google Assistant | - | |
Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, GLONASS, Galileo |
COMMUNICATIONS | Xiaomi MI A1 | Xiaomi Redmi Note 9T |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | FDD-LTE, TDD-LTE, 5G NR FR1 | |
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2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | - | |
3G UMTS Band | Band 1, Band 2, Band 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 1900, 1700, 850, 900 | |
4G LTE Band | Band 1, 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 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 4.2 | Bluetooth 5.1 | |
Bluetooth Profiles | HID | - | |
NFC | - | Yes | Xiaomi Redmi Note 9T has NFC reader for mobile payments. |
Messaging Services | SMS, MMS | - |
MEDIA | Xiaomi MI A1 | Xiaomi Redmi Note 9T |
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Supported Digital Audio Standards | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, AMR-WB, AMR-NB | AAC, LDAC, LHDC | |
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Supported Digital Video Standards | MKV, XviD, MPEG-4, M4V | - | |
Sound Enhancements | Dirac HD Sound | - |
FEATURES | Xiaomi MI A1 | Xiaomi Redmi Note 9T |
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Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
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Sensors | Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall 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 | Noise suppression by Fortemedia | Infrared remote control, linear motor, WriteBooster technology, Host Performance Booster (HPB) technology |
OTHERS | Xiaomi MI A1 | Xiaomi Redmi Note 9T |
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Included Accessories | Power adapter | Protective cover, power adapter, SIM card removal tool, USB-C cable | |
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Compliant Standards | - | TUV Rheinland Low Blue Light Certification |