Xiaomi Redmi Note 6 Pro vs. Samsung Galaxy A21s

Phone Comparison, Reviews and Tests

Side by side comparison and review of Xiaomi Redmi Note 6 Pro and Samsung Galaxy A21s. 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 Note 6 Pro vs. Samsung Galaxy A21s Comparison Chart
DESIGN AND DIMENSIONS Xiaomi Redmi Note 6 Pro Samsung Galaxy A21s
Product Type Smartphone Smartphone
Manufacturer Model Number - SM-A217F/DSN
Form Factor Touch Touch
Height 157.9 mm 163.7 mm Samsung Galaxy A21s has greater height than Xiaomi Redmi Note 6 Pro.
Width 76.4 mm 75.3 mm Xiaomi Redmi Note 6 Pro has greater width than Samsung Galaxy A21s.
Depth 8.26 mm 8.9 mm Xiaomi Redmi Note 6 Pro is narrower than Xiaomi Redmi Note 6 Pro.
Weight 182 g 192 g Xiaomi Redmi Note 6 Pro is lighter than Xiaomi Redmi Note 6 Pro.
Body Colour Black | Blue | Rose gold White | Blue | Black
Waterproof (Water-resistant) - -
SAR Value 1.476 W/kg (body), 0.755 W/kg (head) 1.544 W/kg (body), 0.422 W/kg (head), 2.21 W/kg (limb)
Connector Type Micro-USB - 5 pin Micro-USB Type B
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
SIM Card Configuration Details Nano SIM + nano SIM/microSD -
DISPLAY Xiaomi Redmi Note 6 Pro Samsung Galaxy A21s
Display Type LCD display LCD display
Display Technology IPS PLS TFT
Screen Size (Display Size) 6.26" 6.5" Samsung Galaxy A21s has larger screen size than Xiaomi Redmi Note 6 Pro.
Screen Resolution (Display Resolution) 2280 x 1080 pixels 1600 x 720 pixels Xiaomi Redmi Note 6 Pro has better screen resolution than Samsung Galaxy A21s.
Display Format Full HD+ HD+
Pixel Density 403 ppi -
Aspect Ratio 19:9 20:9
Max Brightness 500 cd/m² -
Colour Depth - 16.7 million colours
Contrast Ratio 1500:1 -
Display Features 2.5D Glass Infinity O display
Display Protection (Screen Protector) Corning Gorilla Glass (scratch resistant glass) -
PROCESSOR Xiaomi Redmi Note 6 Pro Samsung Galaxy A21s
Processor Type (CPU) Qualcomm Snapdragon 636 -
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.
64-bit Architecture Yes - Xiaomi Redmi Note 6 Pro has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 509 -
MEMORY Xiaomi Redmi Note 6 Pro Samsung Galaxy A21s
RAM LPDDR4X SDRAM - 3 GB 3 GB Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 32 GB 32 GB Both phones have the same internal memory capacity.
User Memory - 19.5 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 256 GB microSDHC, microSDXC - up to 512 GB
CAMERA Xiaomi Redmi Note 6 Pro Samsung Galaxy A21s
MAIN CAMERA
Number of Main Cameras 2 4
Sensor Resolution 12 Megapixel 48 Megapixel Samsung Galaxy A21s has better camera resolution than Xiaomi Redmi Note 6 Pro.
Lens Type - Wide-angle lens
Lens Aperture F/2.2 F/2.0 Samsung Galaxy A21s has better lens aperture than Xiaomi Redmi Note 6 Pro.
Field of View (FoV) - 80 degree(s)
Focus Adjustment Automatic Automatic
Digital Zoom - 8x
Special Effects HDR -
Camera Modes Burst mode, Panorama, AI portrait mode Live Focus mode
Face Recognition (Face ID) Face recognition - Xiaomi Redmi Note 6 Pro has face detection.
Light Source Dual LED flash LED flash
Video Resolutions - 1920 x 1080 (1080p) at 30 fps
Camera Features (Functions) Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), Dual Autofocus Pixels, AI dynamic bokeh Live Focus
SECOND CAMERA
Sensor Resolution (2nd Camera) 5 Megapixel 8 Megapixel Samsung Galaxy A21s has better second camera resolution than Xiaomi Redmi Note 6 Pro.
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) - F/2.2
Field of View (2nd Camera) - 123 degree(s)
THIRD CAMERA
Sensor Resolution (3rd Camera) - 2 Megapixel
Lens Aperture (3rd Camera) - F/2.4
Camera Functions (3rd Camera) - Macro camera
Camera Features (3rd Camera) - 4cm macro photography
FOURTH CAMERA
Sensor Resolution (4th Camera) - 2 Megapixel
Lens Aperture (4th Camera) - F/2.4
Camera Functions (4th Camera) - Depth camera
FRONT CAMERA
Number of Front Cameras 2 1
Sensor Resolution (Front) 20 Megapixel 13 Megapixel Xiaomi Redmi Note 6 Pro has better front camera resolution than Samsung Galaxy A21s.
Lens Aperture (Front) F/2.0 F/2.2 Xiaomi Redmi Note 6 Pro has better front lens aperture than Xiaomi Redmi Note 6 Pro.
Focus Adjustment - Focus free
Face Recognition (Face ID) Face detection - Xiaomi Redmi Note 6 Pro has face detection.
SECOND FRONT CAMERA
Sensor Resolution (2nd Front) 2 Megapixel -
Lens Aperture (2nd Front) F/2.2 -
BATTERY AND CHARGING Xiaomi Redmi Note 6 Pro Samsung Galaxy A21s
Battery Capacity (Battery Size) 4000 mAh 5000 mAh Samsung Galaxy A21s has larger battery capacity than Xiaomi Redmi Note 6 Pro.
Talk Time 2040 minutes 3240 minutes Samsung Galaxy A21s has longer battery life when making calls than Xiaomi Redmi Note 6 Pro.
Run Time Details Playback (video): up to 16.5 hrs
Talk: up to 2040 min
Active online usage (4G): up to 23 hrs
Active online usage (Wi-Fi): up to 23 hrs
Playback (video): up to 21 hrs
Playback (audio): up to 109 hrs
Talk (4G): up to 3240 min
Battery Technology - Lithium Ion
CELLULAR Xiaomi Redmi Note 6 Pro Samsung Galaxy A21s
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 7.1.2 (Nougat) -
User Interface MIUI 9 One UI
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Xiaomi Redmi Note 6 Pro Samsung Galaxy A21s
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, 1900 GSM, 2100 GSM 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band Band 1, Band 2, Band 5, Band 8 Band 1, Band 2, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 850, 900 2100, 1900, 850, 900
4G LTE Band Band 1, Band 3, Band 5, Band 40, Band 41 Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41
4G LTE Frequency FDD 2100, FDD 1800+, FDD 850, TDD 2300, TDD 2500 FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500
Wireless Interface Infrared (IrDA), IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 5.0 Bluetooth 5.0 LE
NFC - Yes Samsung Galaxy A21s has NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Xiaomi Redmi Note 6 Pro Samsung Galaxy A21s
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, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4
Sound Enhancements - Dolby Atmos sound technology
FEATURES Xiaomi Redmi Note 6 Pro Samsung Galaxy A21s
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, digital compass, gyro sensor, hall sensor, distance sensor Accelerometer, proximity sensor, gyro sensor, geomagnetic sensor
Security Devices Fingerprint reader Face recognition, fingerprint reader
Additional Phone Features Infrared remote control Samsung KNOX, Virtual Light Sensing
OTHERS Xiaomi Redmi Note 6 Pro Samsung Galaxy A21s
Included Accessories USB cable, power adapter, SIM card removal tool Power adapter
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