Samsung Galaxy A21s vs. Xiaomi 12

Phone Comparison, Reviews and Tests

Side by side comparison and review of Samsung Galaxy A21s and Xiaomi 12. 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

Samsung Galaxy A21s vs. Xiaomi 12 Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy A21s Xiaomi 12
Product Type Smartphone Smartphone
Manufacturer Model Number SM-A217F/DSN -
Form Factor Touch Touch
Height 163.7 mm 152.7 mm Samsung Galaxy A21s has greater height than Xiaomi 12.
Width 75.3 mm 69.9 mm Samsung Galaxy A21s has greater width than Xiaomi 12.
Depth 8.9 mm 8.16 mm Xiaomi 12 is narrower than Samsung Galaxy A21s.
Weight 192 g 180 g Xiaomi 12 is lighter than Samsung Galaxy A21s.
Body Colour White | Blue | Black Grey
Waterproof (Water-resistant) - -
SAR Value 1.544 W/kg (body), 0.422 W/kg (head), 2.21 W/kg (limb) 0.596 W/kg (head), 0.998 W/kg (body), 1.972 W/kg (limb)
Connector Type USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
SIM Card Type (Size) Nano SIM -
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY Samsung Galaxy A21s Xiaomi 12
Display Type LCD display OLED display
Display Technology PLS TFT AMOLED
Screen Size (Display Size) 6.5" 6.28" Samsung Galaxy A21s has larger screen size than Xiaomi 12.
Screen Resolution (Display Resolution) 1600 x 720 pixels 2400 x 1080 pixels Xiaomi 12 has better screen resolution than Samsung Galaxy A21s.
Display Format HD+ Full HD+
Pixel Density - 419 ppi
Aspect Ratio 20:9 20:9
Max Brightness - 1100 cd/m²
Colour Depth 16.7 million colours 68 billion colours Xiaomi 12 has better colour depth than Samsung Galaxy A21s.
Contrast Ratio - 5000000:1
HDR - Yes Xiaomi 12 has HDR.
HDR Technology - HDR10+
Display Enhancement Technology - Dolby Vision, Sunlight mode, AdaptiveSync technology
Display Refresh Rate - 120 Hz
Touch Sampling Rate - 480 Hz
Display Features Infinity O display Reading mode, DCI-P3 Wide colour gamut, Dot Display, True Colour, DisplayMate A+, 16000 levels auto brightness adjustment
Display Protection (Screen Protector) - Corning Gorilla Glass Victus (scratch resistant glass)
PROCESSOR Samsung Galaxy A21s Xiaomi 12
Processor Type (CPU) - Qualcomm Snapdragon 8 Gen 1
Clock Speed 2 GHz 3 GHz Xiaomi 12 has higher clock speed than Samsung Galaxy A21s.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
Graphics System (GPU) - Qualcomm ADRENO
MEMORY Samsung Galaxy A21s Xiaomi 12
RAM 3 GB LPDDR5 SDRAM - 8 GB Xiaomi 12 has more RAM than Samsung Galaxy A21s.
Internal Memory Size (Storage Capacity) 32 GB 256 GB Xiaomi 12 has more internal memory than Samsung Galaxy A21s.
User Memory 19.5 GB -
Memory Interface - UFS 3.1
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 512 GB -
CAMERA Samsung Galaxy A21s Xiaomi 12
MAIN CAMERA
Number of Main Cameras 4 3
Sensor Resolution 48 Megapixel 50 Megapixel Xiaomi 12 has better camera resolution than Samsung Galaxy A21s.
Sensor Size - 1/1.56"
Sensor Name - Sony IMX766 sensor
Lens Type Wide-angle lens Wide-angle lens
Lens Aperture F/2.0 F/1.88 Xiaomi 12 has better lens aperture than Samsung Galaxy A21s.
Lens Construction - 6-element
Field of View (FoV) 80 degree(s) -
Pixel Size - 1 μm
Optical Image Stabiliser (OIS) - Optical Image Stabiliser (OIS) Xiaomi 12 has optical stabilisation.
Focus Adjustment Automatic Automatic
Digital Zoom 8x -
Special Effects - Moving crowd, Neon trails, Oil painting, Light painting, Starry sky, Star trails
Camera Modes Live Focus mode Night mode, Documents, Vlog mode, Pro Video mode, Movie frame, Night portrait mode, photo filters, Timed burst, Photo clones, Dual video mode, Ultra Night Video, Pro Time-lapse, 50MP mode
Light Source LED flash LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps, 7680 x 4320 (8K) at 24 fps
Camera Features (Functions) Live Focus HDR10+ recording, Google Lens, One-click AI cinema, HDR video recording, 2.1μm 4-in-1 Super Pixel, Xiaomi ProFocus
SECOND CAMERA
Sensor Resolution (2nd Camera) 8 Megapixel 13 Megapixel Xiaomi 12 has better second camera resolution than Samsung Galaxy A21s.
Lens Type (2nd Camera) Ultra wide-angle lens Ultra wide-angle lens
Lens Aperture (2nd Camera) F/2.2 F/2.4 Samsung Galaxy A21s has better second camera lens aperture than Samsung Galaxy A21s.
Field of View (2nd Camera) 123 degree(s) 123 degree(s) Both phones have the same second camera lens field of view.
THIRD CAMERA
Sensor Resolution (3rd Camera) 2 Megapixel 5 Megapixel Xiaomi 12 has higher resolution third camera than Samsung Galaxy A21s.
Lens Type (3rd Camera) - Tele-macro lens
Lens Aperture (3rd Camera) F/2.4 F/2.4 Both phones have the same lens aperture of the third camera.
Focal Length Equivalent to 35mm Camera - 50mm
Camera Functions (3rd Camera) Macro camera -
Camera Features (3rd Camera) 4cm macro photography AF (3cm-7cm)
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 1 1
Sensor Resolution (Front) 13 Megapixel 32 Megapixel Xiaomi 12 has better front camera resolution than Samsung Galaxy A21s.
Lens Aperture (Front) F/2.2 F/2.45 Samsung Galaxy A21s has better front lens aperture than Samsung Galaxy A21s.
Focus Adjustment Focus free -
Special Effects (Front) - HDR
Camera Modes (Front) - Panoramic selfies, AI Beautify, Timed burst, Selfie Night mode, Capture Dual, Time-lapse selfie, AI portrait mode with bokeh and depth control, AI portrait video
Video Resolutions (Front) - 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps
Camera Features (Front) - 4-in-1 to 1.4μm Super Pixel, Video HDR
BATTERY AND CHARGING Samsung Galaxy A21s Xiaomi 12
Battery Capacity (Battery Size) 5000 mAh 4500 mAh Samsung Galaxy A21s has larger battery capacity than Xiaomi 12.
Recharge Time (Charging Time) - 39 min
Wireless Charging - Yes Xiaomi 12 can be charged wirelessly.
Talk Time 3240 minutes -
Run Time Details 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 Samsung Galaxy A21s Xiaomi 12
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G Xiaomi 12 has more advanced generation mobile network.
Operating System - Android 12
User Interface One UI MIUI 13
Payment Technology - Google Pay
Navigation GPS, GLONASS, BeiDou, Galileo GPS, A-GPS, GLONASS, BeiDou, Galileo, NavIC
COMMUNICATIONS Samsung Galaxy A21s Xiaomi 12
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE FDD-LTE, TDD-LTE, 5G NR FR1
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 5, Band 8 Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19
3G UMTS Frequency 2100, 1900, 850, 900 2100, 1900, 1700, 850, 800, 900, 800
4G LTE Band Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41, Band 42, Band 48, Band 66
4G LTE Frequency 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 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 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500, TDD 3600, FDD 1700 - 2110 AWS-3
5G NR Band - N1, n3, n5, n7, n8, n20, n28, n38, n41, n66, n77, n78, n79, n40
5G NR Frequency - FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, TDD TD 3700, TDD TD 3500, TDD TD 4500, TDD 2300
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac/ax, Wi-Fi 6E
Bluetooth Bluetooth 5.0 LE Bluetooth 5.2
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA Samsung Galaxy A21s Xiaomi 12
Supported Digital Audio Standards WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID -
Supported Digital Video Standards MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 -
Sound Enhancements Dolby Atmos sound technology Harman Kardon Sound technology, Dolby Atmos sound technology
FEATURES Samsung Galaxy A21s Xiaomi 12
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert -
Sensors Accelerometer, proximity sensor, gyro sensor, geomagnetic sensor Accelerometer, ambient light sensor, proximity sensor, digital compass, flicker sensor, gyroscope, 360° ambient light sensor
Security Devices Face recognition, fingerprint reader Fingerprint reader (under display)
Security Technology - AI face unlock
Additional Phone Features Samsung KNOX, Virtual Light Sensing MIMO technology, linear motor, VC Liquid Cooling, Reverse wireless charging, dual stereo speakers, X-axis linear vibration motor, IR blaster, Qualcomm 7th generation AI Engine, Xiaomi AdaptiveCharge
OTHERS Samsung Galaxy A21s Xiaomi 12
Included Accessories Power adapter SIM card removal tool, USB-C cable, protective case, 67W charger
Compliant Standards - SGS Low Blue Light Certification
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