Xiaomi MI A3 vs. Xiaomi Redmi 8

Phone Comparison, Reviews and Tests

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.

Phone Specifications Comparison

Xiaomi MI A3 vs. Xiaomi Redmi 8 Comparison Chart
DESIGN AND DIMENSIONS Xiaomi MI A3 Xiaomi Redmi 8
Product Type Smartphone Smartphone
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
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY Xiaomi MI A3 Xiaomi Redmi 8
Display Type OLED display -
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
Processor Type (CPU) Qualcomm Snapdragon 665 Qualcomm Snapdragon 439
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
RAM LPDDR4X SDRAM - 4 GB LPDDR3 SDRAM - 3 GB Xiaomi MI A3 has more RAM than Xiaomi Redmi 8.
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
MAIN CAMERA
Number of Main Cameras 3 2
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
Sensor Resolution (2nd Camera) 8 Megapixel 2 Megapixel Xiaomi MI A3 has better second camera resolution than Xiaomi Redmi 8.
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
Sensor Resolution (3rd Camera) 2 Megapixel -
Camera Functions (3rd Camera) Depth camera -
FRONT CAMERA
Number of Front Cameras 1 1
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
Battery Capacity (Battery Size) 4030 mAh 5000 mAh Xiaomi Redmi 8 has larger battery capacity than Xiaomi MI A3.
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
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
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
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE
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
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
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
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
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
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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