Side by side comparison and review of Xiaomi Redmi Note 9 Pro and Xiaomi Redmi A1. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Xiaomi Redmi Note 9 Pro | Xiaomi Redmi A1 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 165.75 mm | 164.9 mm | Xiaomi Redmi Note 9 Pro has greater height than Xiaomi Redmi A1. |
| Width | 76.68 mm | 76.75 mm | Xiaomi Redmi A1 has greater width than Xiaomi Redmi Note 9 Pro. |
| Depth | 8.8 mm | 9.09 mm | Xiaomi Redmi Note 9 Pro is narrower than Xiaomi Redmi Note 9 Pro. |
| Weight | 209 g | 192 g | Xiaomi Redmi A1 is lighter than Xiaomi Redmi Note 9 Pro. |
| Body Colour | Interstellar grey | Tropical green | Light green | |
| Body Material | Curved 3D glass, Gorilla glass 5 | - | |
| Protection | Splashproof | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 2.07 W/kg (limb), 1.021 W/kg (body), 0.662 W/kg (head) | 0.997 W/kg (body), 0.846 W/kg (head), 2.541 W/kg (limb) | |
| Integrated Components | Ultra-linear speaker | FM radio | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | - | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Xiaomi Redmi Note 9 Pro | Xiaomi Redmi A1 |
|---|
| Display Type | LCD display | - | |
|---|---|---|---|
| Screen Size (Display Size) | 6.67" | 6.52" | Xiaomi Redmi Note 9 Pro has larger screen size than Xiaomi Redmi A1. |
| Screen Resolution (Display Resolution) | 2400 x 1080 pixels | 1600 x 720 pixels | Xiaomi Redmi Note 9 Pro has better screen resolution than Xiaomi Redmi A1. |
| Display Format | Full HD+ | HD+ | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | 450 cd/m² | - | |
| Contrast Ratio | 1500:1 | - | |
| Display Features | Reading mode 2.0, Dot Display | Night light screen, Dot Drop display | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass) | - |
| PROCESSOR | Xiaomi Redmi Note 9 Pro | Xiaomi Redmi A1 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 720G | MediaTek Helio A22 | |
|---|---|---|---|
| Clock Speed | 2.3 GHz | 2 GHz | Xiaomi Redmi Note 9 Pro has higher clock speed than Xiaomi Redmi A1. |
| Processor Core Qty | 8-core | Quad-core | Xiaomi Redmi Note 9 Pro has higher processor core quantity than Xiaomi Redmi A1. |
| 64-bit Architecture | Yes | - | Xiaomi Redmi Note 9 Pro has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 618 | - |
| MEMORY | Xiaomi Redmi Note 9 Pro | Xiaomi Redmi A1 |
|---|
| RAM | 6 GB | LPDDR4X SDRAM - 2 GB | Xiaomi Redmi Note 9 Pro has more RAM than Xiaomi Redmi A1. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 32 GB | Xiaomi Redmi Note 9 Pro has more internal memory than Xiaomi Redmi A1. |
| Memory Interface | - | eMMC 5.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | Xiaomi Redmi Note 9 Pro | Xiaomi Redmi A1 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 2 | |
|---|---|---|---|
| Sensor Resolution | 64 Megapixel | 8 Megapixel | Xiaomi Redmi Note 9 Pro has better camera resolution than Xiaomi Redmi A1. |
| Sensor Size | 1/1.72" | - | |
| Lens Aperture | F/1.89 | F/2.0 | Xiaomi Redmi Note 9 Pro has better lens aperture than Xiaomi Redmi Note 9 Pro. |
| Lens Construction | 6-element | - | |
| Field of View (FoV) | 79.8 degree(s) | - | |
| Pixel Size | 0.8 μm | - | |
| Focus Adjustment | Automatic | - | |
| Special Effects | HDR, Kaleidoscope | HDR | |
| Camera Modes | Burst mode, Panorama, night mode, Smart ultra-wide angle mode, Photo timer, Custom watermark, Documents, Beautify, Levelling, Cinematic portraits | Time-lapse mode, portrait mode, Short video mode | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi Note 9 Pro has face detection. |
| Light Source | Flash | LED flash | |
| Still Image Resolutions | 8000 x 6000 | - | |
| Video Resolutions | 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 | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | 4-in-1 Super Pixel, AI scene detection, Portrait mode with background blurring, Ultra wide-angle edge distortion correction, AI Quad camera, Steady handheld night photography, full screen frame, AI watermark | AI Dual camera |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 8 Megapixel | 8 Megapixel | Both phones have the same second camera resolution. |
|---|---|---|---|
| Sensor Size (2nd Camera) | 1/4" | - | |
| Lens Type (2nd Camera) | Ultra wide-angle lens | - | |
| Lens Aperture (2nd Camera) | F/2.2 | - | |
| Lens Element Qty (2nd Camera) | 5-element | - | |
| Field of View (2nd Camera) | 119 degree(s) | - | |
| Pixel Size (2nd Camera) | 1.12 μm | - | |
| Camera Features (2nd Camera) | 5-piece lens | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 5 Megapixel | - | |
|---|---|---|---|
| Sensor Size (3rd Camera) | 1/5" | - | |
| Lens Aperture (3rd Camera) | F/2.4 | - | |
| Pixel Size (3rd Camera) | 1.12 μm | - | |
| Camera Functions (3rd Camera) | Macro camera | - | |
| Camera Features (3rd Camera) | AF (2cm-10cm) | - |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 2 Megapixel | - | |
|---|---|---|---|
| Sensor Size (4th Camera) | 1/5" | - | |
| Lens Aperture (4th Camera) | F/2.4 | - | |
| Pixel Size (4th Camera) | 1.75 μm | - | |
| Camera Functions (4th Camera) | Depth camera | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 5 Megapixel | Xiaomi Redmi Note 9 Pro has better front camera resolution than Xiaomi Redmi A1. |
| Sensor Size (Front) | 1/3.06" | - | |
| Lens Aperture (Front) | F/2.48 | F/2.2 | Xiaomi Redmi A1 has better front lens aperture than Xiaomi Redmi Note 9 Pro. |
| Field of View (Front) | 82.4 degree(s) | - | |
| Pixel Size (Front) | 1 μm | - | |
| Special Effects (Front) | HDR | - | |
| Camera Modes (Front) | Panoramic selfies, AI portrait mode, AI Beautify, Slo-mo Selfie | Beautify | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi Note 9 Pro has face detection. |
| Light Source (Front) | Display flash | - | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Front) | AI scene detection, Palm shutter, AI silhouette detection | AI Selfie |
| BATTERY AND CHARGING | Xiaomi Redmi Note 9 Pro | Xiaomi Redmi A1 |
|---|
| Battery Capacity (Battery Size) | 5020 mAh | 5000 mAh | Xiaomi Redmi Note 9 Pro has larger battery capacity than Xiaomi Redmi A1. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 4.0 | - | Xiaomi Redmi Note 9 Pro has fast charging technology. |
| Standby Time | - | 746 hours | |
| Talk Time | 1980 minutes | 1800 minutes | Xiaomi Redmi Note 9 Pro has longer battery life when making calls than Xiaomi Redmi A1. |
| Run Time Details | Talk: up to 1980 min Gaming: up to 13 hrs Playback (Music): up to 147 hrs Navigation: up to 16 hrs |
Talk: up to 1800 min Standby: up to 746 hrs Playback (video): up to 22 hrs Playback (Music): up to 161 hrs |
|
| Battery Technology | Lithium Ion | - |
| CELLULAR | Xiaomi Redmi Note 9 Pro | Xiaomi Redmi A1 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 10 | Android 12 (Go edition) | |
| User Interface | MIUI 11 | - | |
| Payment Technology | Google Pay | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Xiaomi Redmi Note 9 Pro | Xiaomi Redmi A1 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1900 GSM, 2100 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 8 | Band 1, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | Wi-Fi | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 | |
| NFC | Yes | - | Xiaomi Redmi Note 9 Pro has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Xiaomi Redmi Note 9 Pro | Xiaomi Redmi A1 |
|---|
| Supported Digital Audio Standards | WAV, AAC, AMR, MP3, FLAC, APE (Monkey's Audio) | - | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, XviD, M4V, MP4 | - | |
| Audio Amplifier | Smart PA | - |
| FEATURES | Xiaomi Redmi Note 9 Pro | Xiaomi Redmi A1 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, digital compass, gyro sensor, distance sensor, infrared (IR) sensor, In-screen ambient light sensor | Accelerometer | |
| Security Devices | Face recognition, fingerprint reader (side) | - | |
| Additional Phone Features | Infrared remote control, AI face unlock, Qualcomm 5th generation AI Engine, Z-axis linear vibration motor | Fast Charging |
| OTHERS | Xiaomi Redmi Note 9 Pro | Xiaomi Redmi A1 |
|---|
| Included Accessories | Protective cover, SIM card removal tool, USB-C cable, 33W charger | USB cable, SIM card removal tool, 10W charger | |
|---|---|---|---|
| Compliant Standards | TUV Rheinland Low Blue Light Certification | - |
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