Xiaomi Redmi 3S vs. Samsung Galaxy A20

Phone Comparison, Reviews and Tests

Side by side comparison and review of Xiaomi Redmi 3S and Samsung Galaxy A20. 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.

Phone Specifications Comparison

Xiaomi Redmi 3S vs. Samsung Galaxy A20 Comparison Chart
DESIGN AND DIMENSIONS Xiaomi Redmi 3S Samsung Galaxy A20
Product Type Smartphone Smartphone
Manufacturer Model Number - SM-A205G/DS
Form Factor Touch Touch
Height 139.3 mm 158.4 mm Samsung Galaxy A20 has greater height than Xiaomi Redmi 3S.
Width 69.6 mm 74.7 mm Samsung Galaxy A20 has greater width than Xiaomi Redmi 3S.
Depth 8.5 mm 7.8 mm Samsung Galaxy A20 is narrower than Xiaomi Redmi 3S.
Weight 144 g 169 g Xiaomi Redmi 3S is lighter than Xiaomi Redmi 3S.
Body Colour Gold Red | Coral orange | Black
Body Material Metal -
Waterproof (Water-resistant) - -
SAR Value 0.43 W/kg (body), 0.62 W/kg (head) 0.46 W/kg (body), 0.32 W/kg (head)
Connector Type Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
SIM Card Type (Size) Micro SIM, nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
SIM Card Configuration Details Micro SIM + nano SIM/microSD -
DISPLAY Xiaomi Redmi 3S Samsung Galaxy A20
Display Type - OLED display
Display Technology - Super AMOLED
Screen Size (Display Size) 5" 6.4" Samsung Galaxy A20 has larger screen size than Xiaomi Redmi 3S.
Screen Resolution (Display Resolution) 1280 x 720 pixels 1560 x 720 pixels Samsung Galaxy A20 has better screen resolution than Xiaomi Redmi 3S.
Display Format HD HD+
Colour Depth - 16.7 million colours
Display Features - Night mode, Infinity V Display
PROCESSOR Xiaomi Redmi 3S Samsung Galaxy A20
Processor Type (CPU) Qualcomm Snapdragon 430 -
Clock Speed 1.4 GHz 1.6 GHz Samsung Galaxy A20 has higher clock speed than Xiaomi Redmi 3S.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - Xiaomi Redmi 3S has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 505 -
MEMORY Xiaomi Redmi 3S Samsung Galaxy A20
RAM 2 GB 3 GB Samsung Galaxy A20 has more RAM than Xiaomi Redmi 3S.
Internal Memory Size (Storage Capacity) 16 GB 32 GB Samsung Galaxy A20 has more internal memory than Xiaomi Redmi 3S.
User Memory - 21.7 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 128 GB microSDHC, microSDXC - up to 512 GB
CAMERA Xiaomi Redmi 3S Samsung Galaxy A20
MAIN CAMERA
Number of Main Cameras 1 2
Sensor Resolution 13 Megapixel 13 Megapixel Both phones have the same camera resolution.
Lens Type - Wide-angle lens
Lens Aperture F/2.0 F/1.9 Samsung Galaxy A20 has better lens aperture than Xiaomi Redmi 3S.
Lens Construction 5-element -
Field of View (FoV) - 76 degree(s)
Focus Adjustment Automatic Automatic
Special Effects HDR -
Camera Modes Panorama, manual mode -
Light Source LED light LED flash
Video Resolutions 1920 x 1080 (1080p) 1920 x 1080 (1080p) at 30 fps
Camera Features (Functions) Phase Detect Auto-Focus (PDAF) -
SECOND CAMERA
Sensor Resolution (2nd Camera) - 5 Megapixel
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) - F/2.2
Field of View (2nd Camera) - 123 degree(s)
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 5 Megapixel 8 Megapixel Samsung Galaxy A20 has better front camera resolution than Xiaomi Redmi 3S.
Lens Aperture (Front) F/2.2 F/2.0 Samsung Galaxy A20 has better front lens aperture than Xiaomi Redmi 3S.
Focus Adjustment - Focus free
Camera Modes (Front) Beautify Selfie mode Selfie focus
Face Recognition (Face ID) Face recognition - Xiaomi Redmi 3S has face detection.
Light Source (Front) - Display flash
Video Resolutions (Front) 1920 x 1080 (1080p) -
BATTERY AND CHARGING Xiaomi Redmi 3S Samsung Galaxy A20
Battery Capacity (Battery Size) 4100 mAh 4000 mAh Xiaomi Redmi 3S has larger battery capacity than Samsung Galaxy A20.
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 Redmi 3S 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 MIUI V7 Samsung One UI
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Xiaomi Redmi 3S Samsung Galaxy A20
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE
2G Band 900 GSM, 1900 GSM 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band - Band 1, Band 2, Band 4, Band 5, Band 8
3G UMTS Frequency - 2100, 1900, 1700, 850, 900
4G LTE Band Band 3, Band 5, 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 1800+, FDD 850, 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 IEEE 802.11b/g/n IEEE 802.11b/g/n
Bluetooth Bluetooth 4.1 Bluetooth 5.0 LE
Bluetooth Profiles HID -
NFC - Yes Samsung Galaxy A20 has NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Xiaomi Redmi 3S Samsung Galaxy A20
Supported Digital Audio Standards AAC, PCM, MP3, FLAC, AC-3, AAC +, eAAC+, MIDI WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID
Supported Digital Video Standards MKV, VC-1, XviD, MPEG-4, ASF, DivX, MPEG-2, H.264, H.263, M4V, VP8, Sorenson Spark MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4
FEATURES Xiaomi Redmi 3S 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 Ambient light sensor, proximity sensor, digital compass, gyro sensor, gravity sensor Accelerometer, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor
Security Devices - Face recognition, fingerprint reader
Additional Phone Features Infrared remote control, Reading mode Fast Charging
OTHERS Xiaomi Redmi 3S Samsung Galaxy A20
Included Accessories USB cable, power adapter, SIM card removal tool Power adapter
Other projects: