In depth comparison and review of Samsung Galaxy A21s and Xiaomi Redmi Note 12 Pro 5G. 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.
| DESIGN AND DIMENSIONS | Samsung Galaxy A21s | Xiaomi Redmi Note 12 Pro 5G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A217F/DSN | - | |
| Form Factor | Touch | Touch | |
| Height | 163.7 mm | 162.9 mm | Samsung Galaxy A21s has greater height than Xiaomi Redmi Note 12 Pro 5G. |
| Width | 75.3 mm | 76 mm | Xiaomi Redmi Note 12 Pro 5G has greater width than Samsung Galaxy A21s. |
| Depth | 8.9 mm | 7.9 mm | Xiaomi Redmi Note 12 Pro 5G is narrower than Samsung Galaxy A21s. |
| Weight | 192 g | 187 g | Xiaomi Redmi Note 12 Pro 5G is lighter than Samsung Galaxy A21s. |
| Body Colour | White | Blue | Black | Midnight black | |
| Waterproof (Water-resistant) | - | - | Xiaomi Redmi Note 12 Pro 5G is waterproof. |
| SAR Value | 1.544 W/kg (body), 0.422 W/kg (head), 2.21 W/kg (limb) | 0.99 W/kg (body), 0.99 W/kg (head), 2.59 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 Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | - | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Samsung Galaxy A21s | Xiaomi Redmi Note 12 Pro 5G |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | PLS TFT | Flow AMOLED | |
| Screen Size (Display Size) | 6.5" | 6.67" | Xiaomi Redmi Note 12 Pro 5G has larger screen size than Samsung Galaxy A21s. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 2400 x 1080 pixels | Xiaomi Redmi Note 12 Pro 5G has better screen resolution than Samsung Galaxy A21s. |
| Display Format | HD+ | Full HD+ | |
| Aspect Ratio | 20:9 | - | |
| Max Brightness | - | 900 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | - | 5000000:1 | |
| HDR | - | Yes | Xiaomi Redmi Note 12 Pro 5G has HDR. |
| HDR Technology | - | HDR10+ | |
| Display Enhancement Technology | - | Dolby Vision | |
| Display Refresh Rate | - | 120 Hz | |
| Display Features | Infinity O display | Reading mode, Sunlight mode, 100% DCI-P3 | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | Samsung Galaxy A21s | Xiaomi Redmi Note 12 Pro 5G |
|---|
| Processor Type (CPU) | - | MediaTek Dimensity 1080 | |
|---|---|---|---|
| Clock Speed | 2 GHz | 2.6 GHz | Xiaomi Redmi Note 12 Pro 5G 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) | - | ARM Mali-G68 |
| MEMORY | Samsung Galaxy A21s | Xiaomi Redmi Note 12 Pro 5G |
|---|
| RAM | 3 GB | LPDDR4X SDRAM - 6 GB | Xiaomi Redmi Note 12 Pro 5G has more RAM than Samsung Galaxy A21s. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 128 GB | Xiaomi Redmi Note 12 Pro 5G has more internal memory than Samsung Galaxy A21s. |
| User Memory | 19.5 GB | - | |
| Memory Interface | - | UFS 2.2 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | - |
| CAMERA | Samsung Galaxy A21s | Xiaomi Redmi Note 12 Pro 5G |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 3 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 50 Megapixel | Xiaomi Redmi Note 12 Pro 5G has better camera resolution than Samsung Galaxy A21s. |
| Sensor Size | - | 1/1.56" | |
| Sensor Name | - | Sony Exmor RS IMX766 sensor | |
| Lens Type | Wide-angle lens | - | |
| Lens Aperture | F/2.0 | F/1.88 | Xiaomi Redmi Note 12 Pro 5G has better lens aperture than Samsung Galaxy A21s. |
| Lens Construction | - | 6-element | |
| Field of View (FoV) | 80 degree(s) | - | |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | Xiaomi Redmi Note 12 Pro 5G has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 8x | - | |
| Camera Modes | Live Focus 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, 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, Slo-mo video 1280 x 720 (720p) at 960 fps | |
| Camera Features (Functions) | Live Focus | 4-in-1 to 2μm pixel, Ecosphere engine, Colour engine, Bionic sensing, Accelerating engine, Optic fusion |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 8 Megapixel | 8 Megapixel | Both phones have the same second camera resolution. |
|---|---|---|---|
| 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) | 123 degree(s) | 119 degree(s) | Samsung Galaxy A21s has larger second camera lens field of view than Xiaomi Redmi Note 12 Pro 5G. |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | 2 Megapixel | Both phones have the same third camera resolution. |
|---|---|---|---|
| Lens Aperture (3rd Camera) | F/2.4 | F/2.4 | Both phones have the same lens aperture of the third camera. |
| Camera Functions (3rd Camera) | Macro 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 | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 13 Megapixel | 16 Megapixel | Xiaomi Redmi Note 12 Pro 5G has better front camera resolution than Samsung Galaxy A21s. |
| Lens Aperture (Front) | F/2.2 | - | |
| Focus Adjustment | Focus free | - | |
| 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 |
| BATTERY AND CHARGING | Samsung Galaxy A21s | Xiaomi Redmi Note 12 Pro 5G |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 5000 mAh | Both phones have the same battery capacity. |
|---|---|---|---|
| Fast Charging Technology | - | Turbo charging | Xiaomi Redmi Note 12 Pro 5G has fast charging technology. |
| 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 |
Continuous browsing: up to 7 hrs Playback (video): up to 10 hrs Gaming: up to 4 hrs |
|
| Battery Technology | Lithium Ion | - |
| CELLULAR | Samsung Galaxy A21s | Xiaomi Redmi Note 12 Pro 5G |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Xiaomi Redmi Note 12 Pro 5G has more advanced generation mobile network. |
| Operating System | - | Android 12 | |
| User Interface | One UI | MIUI 14 | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Samsung Galaxy A21s | Xiaomi Redmi Note 12 Pro 5G |
|---|
| 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 26, Band 28, Band 32, Band 38, Band 40, Band 41, 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 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | - | N1, n3, n5, n7, n8, n20, n28, n38, n41, n66, n77, n78, 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 2300 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac/ax | |
| 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 Redmi Note 12 Pro 5G |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | WAV, AAC, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), AWB | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | MKV, AVI, 3GP, M4V, 3G2, MP4 | |
| Sound Enhancements | Dolby Atmos sound technology | Dolby Atmos sound technology, Hi-Res audio certified, Hi-Res audio wireless |
| FEATURES | Samsung Galaxy A21s | Xiaomi Redmi Note 12 Pro 5G |
|---|
| 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, gyroscope | |
| Security Devices | Face recognition, fingerprint reader | Face recognition, fingerprint reader (side) | |
| Security Technology | - | AI face unlock | |
| Additional Phone Features | Samsung KNOX, Virtual Light Sensing | Dual stereo speakers, X-axis linear vibration motor, graphite cooling, IR blaster |
| OTHERS | Samsung Galaxy A21s | Xiaomi Redmi Note 12 Pro 5G |
|---|
| Included Accessories | Power adapter | SIM card removal tool, USB-C cable, protective case, 67W turbo power adapter |
|---|
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