Xiaomi MI A3 vs. Samsung Galaxy A20

Phone Comparison, Reviews and Tests

In depth comparison and review of Xiaomi MI A3 and Samsung Galaxy A20. 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. Samsung Galaxy A20 Comparison Chart
DESIGN AND DIMENSIONS Xiaomi MI A3 Samsung Galaxy A20
Product Type Smartphone Smartphone
Manufacturer Model Number - SM-A205G/DS
Form Factor Touch Touch
Height 153.48 mm 158.4 mm Samsung Galaxy A20 has greater height than Xiaomi MI A3.
Width 71.85 mm 74.7 mm Samsung Galaxy A20 has greater width than Xiaomi MI A3.
Depth 8.475 mm 7.8 mm Samsung Galaxy A20 is narrower than Xiaomi MI A3.
Weight 173.8 g 169 g Samsung Galaxy A20 is lighter than Xiaomi MI A3.
Body Colour Kind of grey Red | Coral orange | Black
Body Material Corning Gorilla Glass 5 -
Waterproof (Water-resistant) - -
SAR Value 2.34 W/kg (limb), 1.097 W/kg (body), 0.301 W/kg (head) 0.46 W/kg (body), 0.32 W/kg (head)
Connector Type USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
Headset jack - mini-phone 3.5mm
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 A3 Samsung Galaxy A20
Display Type OLED display OLED display
Display Technology AMOLED Super AMOLED
Screen Size (Display Size) 6.088" 6.4" Samsung Galaxy A20 has larger screen size than Xiaomi MI A3.
Screen Resolution (Display Resolution) 1560 x 720 pixels 1560 x 720 pixels Both phones have the same screen resolution.
Display Format HD+ HD+
Aspect Ratio 19.5:9 -
Colour Depth - 16.7 million colours
Contrast Ratio 60000:1 -
Display Features 2.5D Glass, Dot Drop display Night mode, Infinity V Display
Display Protection (Screen Protector) Corning Gorilla Glass 5 (scratch resistant glass) -
PROCESSOR Xiaomi MI A3 Samsung Galaxy A20
Processor Type (CPU) Qualcomm Snapdragon 665 -
Clock Speed 2 GHz 1.6 GHz Xiaomi MI A3 has higher clock speed than Samsung Galaxy A20.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
Graphics System (GPU) Qualcomm ADRENO 610 -
MEMORY Xiaomi MI A3 Samsung Galaxy A20
RAM LPDDR4X SDRAM - 4 GB 3 GB Xiaomi MI A3 has more RAM than Samsung Galaxy A20.
Internal Memory Size (Storage Capacity) 64 GB 32 GB Xiaomi MI A3 has more internal memory than Samsung Galaxy A20.
User Memory - 21.7 GB
Supported Flash Memory Cards (Expandable Memory) Up to 256 GB microSDHC, microSDXC - up to 512 GB
CAMERA Xiaomi MI A3 Samsung Galaxy A20
MAIN CAMERA
Number of Main Cameras 3 2
Sensor Resolution 48 Megapixel 13 Megapixel Xiaomi MI A3 has better camera resolution than Samsung Galaxy A20.
Sensor Size 1/2" -
Lens Type - Wide-angle lens
Lens Aperture F/1.79 F/1.9 Xiaomi MI A3 has better lens aperture than Xiaomi MI A3.
Lens Construction 6-element -
Field of View (FoV) - 76 degree(s)
Pixel Size 1.6 μm -
Focus Adjustment Automatic Automatic
Camera Modes AI portrait mode -
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
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 -
SECOND CAMERA
Sensor Resolution (2nd Camera) 8 Megapixel 5 Megapixel Xiaomi MI A3 has better second camera resolution than Samsung Galaxy A20.
Lens Type (2nd Camera) Ultra wide-angle lens Ultra wide-angle lens
Lens Aperture (2nd Camera) F/2.2 F/2.2 Both phones have the same second camera lens aperture.
Field of View (2nd Camera) 118 degree(s) 123 degree(s) Samsung Galaxy A20 has larger second camera lens field of view than Xiaomi MI A3.
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 Samsung Galaxy A20.
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 -
Focus Adjustment Focus free Focus free
Camera Modes (Front) Selfie panorama, AI portrait mode, AI Beautify Selfie focus
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 -
BATTERY AND CHARGING Xiaomi MI A3 Samsung Galaxy A20
Battery Capacity (Battery Size) 4030 mAh 4000 mAh Xiaomi MI A3 has larger battery capacity than Samsung Galaxy A20.
Fast Charging Technology Qualcomm Quick Charge 3.0 - Xiaomi MI A3 has fast charging technology.
Talk Time - 1560 minutes
Run Time Details - Active online usage (3G): up to 12 hrs
Active online usage (LTE): up to 13 hrs
Active online usage (Wi-Fi): up to 13 hrs
Playback (video): up to 21 hrs
Playback (audio): up to 82 hrs
Talk (3G): up to 1560 min
CELLULAR Xiaomi MI A3 Samsung Galaxy A20
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
User Interface - Samsung One UI
Intelligent Assistant Google Assistant -
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Xiaomi MI A3 Samsung Galaxy A20
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 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 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 12, Band 13, Band 17, Band 20, Band 28, Band 38, Band 40, Band 41, Band 66
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 700a, FDD 700c, FDD 700b, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3
Wireless Interface Infrared (IrDA), IEEE 802.11a/b/g/n/ac IEEE 802.11b/g/n
Bluetooth Bluetooth 5.0 Bluetooth 5.0 LE
NFC - Yes Samsung Galaxy A20 has NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Xiaomi MI A3 Samsung Galaxy A20
Supported Digital Audio Standards WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, AMR-WB, AMR-NB WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID
Supported Digital Video Standards MKV, XviD, H.264, M4V, MPEG4-ASP, MPEG-4 SP, MP4 MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4
FEATURES Xiaomi MI A3 Samsung Galaxy A20
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, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor
Security Devices Fingerprint reader (under display) Face recognition, fingerprint reader
Additional Phone Features AI face unlock Fast Charging
OTHERS Xiaomi MI A3 Samsung Galaxy A20
Included Accessories Power adapter, SIM card removal tool, USB-C cable, soft case Power adapter
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