In depth comparison and review of Xiaomi MI A3 and Xiaomi Redmi 8. 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 A3 | Xiaomi Redmi 8 |
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Product Type | Smartphone | Smartphone | |
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Form Factor | Touch | Touch | |
Height | 153.48 mm | 156.5 mm | Xiaomi Redmi 8 has greater height than Xiaomi MI A3. |
Width | 71.85 mm | 75.4 mm | Xiaomi Redmi 8 has greater width than Xiaomi MI A3. |
Depth | 8.475 mm | 9.4 mm | Xiaomi MI A3 is narrower than Xiaomi MI A3. |
Weight | 173.8 g | - | |
Body Colour | Kind of grey | Sapphire blue | |
Body Material | Corning Gorilla Glass 5 | - | |
Protection | - | Splashproof | |
Waterproof (Water-resistant) | - | - | |
SAR Value | 2.34 W/kg (limb), 1.097 W/kg (body), 0.301 W/kg (head) | 1.48 W/kg (body), 0.231 W/kg (head), 2.23 W/kg (limb) | |
Integrated Components | - | FM radio | |
Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
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 |
DISPLAY | Xiaomi MI A3 | Xiaomi Redmi 8 |
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Display Type | OLED display | - | |
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Display Technology | AMOLED | - | |
Screen Size (Display Size) | 6.088" | 6.22" | Xiaomi Redmi 8 has larger screen size than Xiaomi MI A3. |
Screen Resolution (Display Resolution) | 1560 x 720 pixels | 1520 x 720 pixels | Xiaomi MI A3 has better screen resolution than Xiaomi Redmi 8. |
Display Format | HD+ | HD+ | |
Pixel Density | - | 270 ppi | |
Aspect Ratio | 19.5:9 | 19:9 | |
Max Brightness | - | 400 cd/m² | |
Contrast Ratio | 60000:1 | 1500:1 | Xiaomi MI A3 has better display contrast ratio than Xiaomi Redmi 8. |
Display Enhancement Technology | - | Sunlight mode | |
Display Features | 2.5D Glass, Dot Drop display | Reading mode, Colour temperature adjustment, night mode, Dot Drop display | |
Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass) | Corning Gorilla Glass 5 (scratch resistant glass) |
PROCESSOR | Xiaomi MI A3 | Xiaomi Redmi 8 |
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Processor Type (CPU) | Qualcomm Snapdragon 665 | Qualcomm Snapdragon 439 | |
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Clock Speed | 2 GHz | 2 GHz | Both phones have the same clock speed. |
Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
Graphics System (GPU) | Qualcomm ADRENO 610 | Qualcomm ADRENO 505 |
MEMORY | Xiaomi MI A3 | Xiaomi Redmi 8 |
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RAM | LPDDR4X SDRAM - 4 GB | LPDDR3 SDRAM - 3 GB | Xiaomi MI A3 has more RAM than Xiaomi Redmi 8. |
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Internal Memory Size (Storage Capacity) | 64 GB | 32 GB | Xiaomi MI A3 has more internal memory than Xiaomi Redmi 8. |
Supported Flash Memory Cards (Expandable Memory) | Up to 256 GB | microSDHC, microSDXC |
CAMERA | Xiaomi MI A3 | Xiaomi Redmi 8 |
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MAIN CAMERA |
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Number of Main Cameras | 3 | 2 | |
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Sensor Resolution | 48 Megapixel | 12 Megapixel | Xiaomi MI A3 has better camera resolution than Xiaomi Redmi 8. |
Sensor Size | 1/2" | - | |
Lens Aperture | F/1.79 | - | |
Lens Construction | 6-element | - | |
Pixel Size | 1.6 μm | - | |
Focus Adjustment | Automatic | Automatic | |
Special Effects | - | HDR | |
Camera Modes | AI portrait mode | AI portrait mode, Landscapes, Night scenes, AI Beautify 4.0 | |
Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi 8 has face detection. |
Light Source | Flash | LED flash | |
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 | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 1280 x 720 (720p) at 60 fps | |
Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), 4-in-1 Super Pixel, AI scene detection, AI Triple camera, 27 different scenes | Phase Detect Auto-Focus (PDAF), AI Dual camera, AI scene detection |
SECOND CAMERA |
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Sensor Resolution (2nd Camera) | 8 Megapixel | 2 Megapixel | Xiaomi MI A3 has better second camera resolution than Xiaomi Redmi 8. |
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Lens Type (2nd Camera) | Ultra wide-angle lens | - | |
Lens Aperture (2nd Camera) | F/2.2 | - | |
Field of View (2nd Camera) | 118 degree(s) | - |
THIRD CAMERA |
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Sensor Resolution (3rd Camera) | 2 Megapixel | - | |
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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) | 32 Megapixel | 8 Megapixel | Xiaomi MI A3 has better front camera resolution than Xiaomi Redmi 8. |
Lens Aperture (Front) | F/2.0 | F/2.0 | Both phones have the same front camera lens aperture. |
Lens Element Qty (Front) | 5-element | - | |
Field of View (Front) | 79 degree(s) | - | |
Pixel Size (Front) | 1.6 μm | 1.12 μm | Xiaomi MI A3 has larger front camera pixel size than Xiaomi Redmi 8. |
Focus Adjustment | Focus free | - | |
Special Effects (Front) | - | HDR | |
Camera Modes (Front) | Selfie panorama, AI portrait mode, AI Beautify | AI portrait mode, AI Beautify 4.0 | |
Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi 8 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) | 4-in-1 Super Pixel technology, AI scene detection, 12 different scenes, AI Selfie, Palm shutter, AI face unlock | Self-timer |
BATTERY AND CHARGING | Xiaomi MI A3 | Xiaomi Redmi 8 |
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Battery Capacity (Battery Size) | 4030 mAh | 5000 mAh | Xiaomi Redmi 8 has larger battery capacity than Xiaomi MI A3. |
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Fast Charging Technology | Qualcomm Quick Charge 3.0 | Qualcomm Quick Charge 3.0 | Both phones have fast charging technology. |
Recharge Time (Charging Time) | - | 2.2 hour(s) | |
Standby Time | - | 625 hours | |
Talk Time | - | 1680 minutes | |
Run Time Details | - | Standby: up to 625 hrs Playback (audio): up to 180.5 hrs Talk: up to 1680 min Playback (video): up to 17 hrs Navigation: up to 16.5 hrs |
CELLULAR | Xiaomi MI A3 | Xiaomi Redmi 8 |
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Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
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Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
Intelligent Assistant | Google Assistant | - | |
Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou |
COMMUNICATIONS | Xiaomi MI A3 | Xiaomi Redmi 8 |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | |
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2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1900 GSM, 2100 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 28, Band 38, Band 40 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40 | |
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 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300 | |
Wireless Interface | Infrared (IrDA), IEEE 802.11a/b/g/n/ac | IEEE 802.11b/g/n | |
Bluetooth | Bluetooth 5.0 | Bluetooth 4.2 | |
Messaging Services | SMS, MMS | SMS, MMS |
MEDIA | Xiaomi MI A3 | Xiaomi Redmi 8 |
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Supported Digital Audio Standards | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, AMR-WB, AMR-NB | AAC, PCM, MP3, FLAC, AAC +, APE (Monkey's Audio), AMR-WB, AMR-NB | |
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Supported Digital Video Standards | MKV, XviD, H.264, M4V, MPEG4-ASP, MPEG-4 SP, MP4 | MKV, MPEG-4, MPEG4-ASP, MPEG-4 SP, H.264 BP, H.264 MP, H.264 HP | |
Sound Enhancements | - | Large speaker box |
FEATURES | Xiaomi MI A3 | Xiaomi Redmi 8 |
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Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
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Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, vibration sensor | Accelerometer, ambient light sensor, digital compass, distance sensor | |
Security Devices | Fingerprint reader (under display) | Face recognition, fingerprint reader | |
Additional Phone Features | AI face unlock | Infrared remote control, notification LED, AI face unlock |
OTHERS | Xiaomi MI A3 | Xiaomi Redmi 8 |
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Included Accessories | Power adapter, SIM card removal tool, USB-C cable, soft case | SIM card removal tool, USB-C cable, TPU case, 10W charger |
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