In depth comparison and review of Samsung Galaxy A21s and Realme 8 Pro. 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 | Realme 8 Pro |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A217F/DSN | RMX3081 | |
| Form Factor | Touch | Touch | |
| Height | 163.7 mm | 160.6 mm | Samsung Galaxy A21s has greater height than Realme 8 Pro. |
| Width | 75.3 mm | 73.9 mm | Samsung Galaxy A21s has greater width than Realme 8 Pro. |
| Depth | 8.9 mm | 8.1 mm | Realme 8 Pro is narrower than Samsung Galaxy A21s. |
| Weight | 192 g | 176 g | Realme 8 Pro is lighter than Samsung Galaxy A21s. |
| Body Colour | White | Blue | Black | Punk black | Infinite blue | Infinite black | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.544 W/kg (body), 0.422 W/kg (head), 2.21 W/kg (limb) | 0.91 W/kg (head), 2.788 W/kg (limb), 1.107 W/kg (body) | |
| 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 | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Samsung Galaxy A21s | Realme 8 Pro |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | PLS TFT | Super AMOLED | |
| Screen Size (Display Size) | 6.5" | 6.4" | Samsung Galaxy A21s has larger screen size than Realme 8 Pro. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 2400 x 1080 pixels | Realme 8 Pro has better screen resolution than Samsung Galaxy A21s. |
| Display Format | HD+ | Full HD+ | |
| Pixel Density | - | 409 ppi | |
| Aspect Ratio | 20:9 | - | |
| Max Brightness | - | 1000 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| Display Features | Infinity O display | 180Hz sampling rate |
| PROCESSOR | Samsung Galaxy A21s | Realme 8 Pro |
|---|
| Processor Type (CPU) | - | Qualcomm Snapdragon 720G | |
|---|---|---|---|
| Clock Speed | 2 GHz | 2.3 GHz | Realme 8 Pro 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 618 |
| MEMORY | Samsung Galaxy A21s | Realme 8 Pro |
|---|
| RAM | 3 GB | LPDDR4X SDRAM - 8 GB | Realme 8 Pro has more RAM than Samsung Galaxy A21s. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 128 GB | Realme 8 Pro has more internal memory than Samsung Galaxy A21s. |
| User Memory | 19.5 GB | - | |
| Memory Interface | - | UFS 2.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | microSDHC, microSD, microSDXC - up to 256 GB |
| CAMERA | Samsung Galaxy A21s | Realme 8 Pro |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 4 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 108 Megapixel | Realme 8 Pro has better camera resolution than Samsung Galaxy A21s. |
| Sensor Size | - | 1/1.52" | |
| Sensor Name | - | Samsung ISOCELL HM2 | |
| Lens Type | Wide-angle lens | - | |
| Lens Aperture | F/2.0 | F/1.88 | Realme 8 Pro has better lens aperture than Samsung Galaxy A21s. |
| Lens Construction | - | 6-element | |
| Field of View (FoV) | 80 degree(s) | - | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 8x | - | |
| Special Effects | - | HDR, dynamic bokeh effect, Neon Portrait | |
| Camera Modes | Live Focus mode | Expert Mode, portrait mode, Filter mode, Super nightscape, AI colour portrait video, Dual video mode, Panorama View, 108MP mode, Tilt-shift mode, Constellation Mode, Constellation Time Lapse Video | |
| Light Source | LED flash | LED flash | |
| Still Image Resolutions | - | 12000 x 9000 | |
| 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, 1280 x 720 (720p) at 60 fps, Slo-mo video 1920 x 1080 (1080p) at 480 fps, Slo-mo video 1280 x 720 (720p) at 960 fps | |
| Camera Features (Functions) | Live Focus | Scene recognition, Phase Detect Auto-Focus (PDAF), Text scanner, AI Beautify, UIS Video Stabilisation, Chroma boost, UIS Max Video stabilisation, 9-in-1 pixel binning, Smart ISO |
| 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/2.25 | Samsung Galaxy A21s has better second camera lens aperture than Samsung Galaxy A21s. |
| Lens Element Qty (2nd Camera) | - | 5-element | |
| Field of View (2nd Camera) | 123 degree(s) | 119 degree(s) | Samsung Galaxy A21s has larger second camera lens field of view than Realme 8 Pro. |
| 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 | 4cm focal distance |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 2 Megapixel | 2 Megapixel | Both phones have the same resolution of the fourth camera. |
|---|---|---|---|
| Lens Aperture (4th Camera) | F/2.4 | F/2.4 | Both phones have the same lens aperture of the fourth camera. |
| Camera Functions (4th Camera) | Depth camera | B&W lens |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 13 Megapixel | 16 Megapixel | Realme 8 Pro has better front camera resolution than Samsung Galaxy A21s. |
| Sensor Name (Front) | - | Sony Exmor RX IMX471 sensor | |
| Lens Aperture (Front) | F/2.2 | F/2.45 | Samsung Galaxy A21s has better front lens aperture than Samsung Galaxy A21s. |
| Lens Element Qty (Front) | - | 5-element | |
| Focus Adjustment | Focus free | - | |
| Special Effects (Front) | - | HDR, Bokeh effect | |
| Camera Modes (Front) | - | Portrait mode, AI Beauty, Filter mode, Super nightscape, Panorama View | |
| Face Recognition (Face ID) | - | Face recognition | Realme 8 Pro has face detection. |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 1920 x 1080 (1080p) at 120 fps, 1280 x 720 (720p) at 120 fps |
| BATTERY AND CHARGING | Samsung Galaxy A21s | Realme 8 Pro |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 4500 mAh | Samsung Galaxy A21s has larger battery capacity than Realme 8 Pro. |
|---|---|---|---|
| Fast Charging Technology | - | SuperDart Charge | Realme 8 Pro has fast charging technology. |
| Recharge Time (Charging Time) | - | 47 min | |
| 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 | Realme 8 Pro |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | - | Android 11 | |
| User Interface | One UI | Realme UI 2.0 | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Samsung Galaxy A21s | Realme 8 Pro |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | 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 5, Band 8 | Band 1, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 850, 900 | |
| 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 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | |
| 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 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 LE | Bluetooth 5.0 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Samsung Galaxy A21s | Realme 8 Pro |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | AAC, apt-X, LDAC, apt-X HD | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | - | |
| Sound Enhancements | Dolby Atmos sound technology | - |
| FEATURES | Samsung Galaxy A21s | Realme 8 Pro |
|---|
| 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, proximity sensor, gyro sensor, geomagnetic sensor | Accelerometer, proximity sensor, magnetometer, gyro sensor, light sensor | |
| Security Devices | Face recognition, fingerprint reader | Fingerprint reader (under display) | |
| Additional Phone Features | Samsung KNOX, Virtual Light Sensing | Dual microphones, Qualcomm 5th generation AI Engine |
| OTHERS | Samsung Galaxy A21s | Realme 8 Pro |
|---|
| Included Accessories | Power adapter | SIM card removal tool, USB-C cable, protective case, protective film, 65W SuperDart Charger |
|---|
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