In depth comparison and review of Samsung Galaxy A21s and OPPO Reno8 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 | OPPO Reno8 5G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A217F/DSN | - | |
| Form Factor | Touch | Touch | |
| Height | 163.7 mm | 160 mm | Samsung Galaxy A21s has greater height than OPPO Reno8 5G. |
| Width | 75.3 mm | 73.4 mm | Samsung Galaxy A21s has greater width than OPPO Reno8 5G. |
| Depth | 8.9 mm | 7.67 mm | OPPO Reno8 5G is narrower than Samsung Galaxy A21s. |
| Weight | 192 g | 179 g | OPPO Reno8 5G is lighter than Samsung Galaxy A21s. |
| Body Colour | White | Blue | Black | Shimmer black | Gold shimmer | |
| Waterproof (Water-resistant) | - | - | OPPO Reno8 5G is waterproof. |
| SAR Value | 1.544 W/kg (body), 0.422 W/kg (head), 2.21 W/kg (limb) | 0.96 W/kg (head), 1.288 W/kg (body), 2.756 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 | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Samsung Galaxy A21s | OPPO Reno8 5G |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | PLS TFT | Rigid AMOLED | |
| Screen Size (Display Size) | 6.5" | 6.4" | Samsung Galaxy A21s has larger screen size than OPPO Reno8 5G. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 2400 x 1080 pixels | OPPO Reno8 5G has better screen resolution than Samsung Galaxy A21s. |
| Display Format | HD+ | Full HD | |
| Pixel Density | - | 409 ppi | |
| Aspect Ratio | 20:9 | - | |
| Max Brightness | - | 800 cd/m² | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| HDR | - | Yes | OPPO Reno8 5G has HDR. |
| Display Refresh Rate | - | 90 Hz | |
| Touch Sampling Rate | - | 180 Hz | |
| Display Features | Infinity O display | O1 Ultra Vision Engine, Eye Care, 97% NTSC, 95% DCI-P3 | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | Samsung Galaxy A21s | OPPO Reno8 5G |
|---|
| Processor Type (CPU) | - | MediaTek Dimensity 1300 | |
|---|---|---|---|
| Clock Speed | 2 GHz | 3 GHz | OPPO Reno8 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-G77 MC9 |
| MEMORY | Samsung Galaxy A21s | OPPO Reno8 5G |
|---|
| RAM | 3 GB | LPDDR4X SDRAM - 8 GB | OPPO Reno8 5G has more RAM than Samsung Galaxy A21s. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 256 GB | OPPO Reno8 5G 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 | OPPO Reno8 5G |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 3 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 50 Megapixel | OPPO Reno8 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/1.8 | OPPO Reno8 5G has better lens aperture than Samsung Galaxy A21s. |
| Lens Construction | - | 7-element | |
| Field of View (FoV) | 80 degree(s) | 86 degree(s) | OPPO Reno8 5G has larger lens field of view than Samsung Galaxy A21s. |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 8x | - | |
| Special Effects | - | Stickers, DOL-HDR | |
| Camera Modes | Live Focus mode | Panorama, Time-lapse mode, Slow motion mode, Pro mode, HYPERLAPSE, Portrait, Night, Macro slow-motion video, Dual-View Video, Extra HD, Text scanner | |
| Light Source | 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, 1280 x 720 (720p) at 60 fps | |
| Camera Features (Functions) | Live Focus | AI Portrait, All Pixel OmniDirectional PDAF |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 8 Megapixel | - | |
|---|---|---|---|
| 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. |
| Lens Element Qty (2nd Camera) | - | 5-element | |
| Field of View (2nd Camera) | 123 degree(s) | 112 degree(s) | Samsung Galaxy A21s has larger second camera lens field of view than OPPO Reno8 5G. |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | - | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | F/2.4 | - | |
| Lens Element Qty (3rd Camera) | - | 3-element | |
| Field of View (3rd Camera) | - | 89 degree(s) | |
| 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 | 32 Megapixel | OPPO Reno8 5G has better front camera resolution than Samsung Galaxy A21s. |
| Sensor Size (Front) | - | 1/2.74" | |
| Sensor Name (Front) | - | Sony IMX709 sensor | |
| Lens Aperture (Front) | F/2.2 | F/2.4 | Samsung Galaxy A21s has better front lens aperture than Samsung Galaxy A21s. |
| Lens Element Qty (Front) | - | 5-element | |
| Field of View (Front) | - | 85 degree(s) | |
| Focus Adjustment | Focus free | - | |
| Special Effects (Front) | - | RGB, Stickers, DOL-HDR | |
| Camera Modes (Front) | - | Panorama, Time-lapse mode, night mode, Portrait, Dual-View Video | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Front) | - | AI portrait retouching |
| BATTERY AND CHARGING | Samsung Galaxy A21s | OPPO Reno8 5G |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 4500 mAh | Samsung Galaxy A21s has larger battery capacity than OPPO Reno8 5G. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge, VOOC Flash Charge technology, SuperVOOC Flash Charge technology, Power Delivery | OPPO Reno8 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 |
- | |
| Battery Technology | Lithium Ion | - |
| CELLULAR | Samsung Galaxy A21s | OPPO Reno8 5G |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | OPPO Reno8 5G has more advanced generation mobile network. |
| Operating System | - | ColorOS 12.1 (based on Android 12) | |
| User Interface | One UI | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | Samsung Galaxy A21s | OPPO Reno8 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 17, Band 18, Band 19, Band 20, Band 26, Band 28, Band 38, Band 39, 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 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | |
| 5G NR Band | - | N1, n3, n5, n7, n8, n20, n28, n38, n41, 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, 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 5.3 BLE | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Samsung Galaxy A21s | OPPO Reno8 5G |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | AAC, LDAC, SBC, 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 | OPPO Reno8 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, proximity sensor, geomagnetic sensor, gravity sensor, optical sensor, light sensor, gyroscope | |
| Security Devices | Face recognition, fingerprint reader | Fingerprint reader (under display), face recognition | |
| Additional Phone Features | Samsung KNOX, Virtual Light Sensing | MIMO technology, Air Gesture, MU-MIMO technology, Step counter, AI System Booster, Battery Health Engine, Super-Conductive VC Liquid Cooling System |
| OTHERS | Samsung Galaxy A21s | OPPO Reno8 5G |
|---|
| Included Accessories | Power adapter | Power adapter, SIM card removal tool, USB-C cable | |
|---|---|---|---|
| Compliant Standards | - | TUV SUD, SGS Eye Care Display Certification, Netflix HD Certification, Amazon Prime Video HD Certification |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
