In depth comparison and review of OPPO A9 2020 and Samsung Galaxy S21+ 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 | OPPO A9 2020 | Samsung Galaxy S21+ 5G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | CPH1941 | SM-G996B/DS | |
| Form Factor | Touch | Touch | |
| Height | 163.6 mm | 161.5 mm | OPPO A9 2020 has greater height than Samsung Galaxy S21+ 5G. |
| Width | 75.6 mm | 75.6 mm | Both phones are the same width |
| Depth | 9.1 mm | 7.8 mm | Samsung Galaxy S21+ 5G is narrower than OPPO A9 2020. |
| Weight | 195 g | 200 g | OPPO A9 2020 is lighter than OPPO A9 2020. |
| Body Colour | Marine green | Space purple | Phantom black | Phantom silver | Phantom violet | Phantom gold | Phantom red | |
| Body Material | 3D glass | - | |
| Protection | - | Dustproof, splashproof, water-resistant | |
| Waterproof (Water-resistant) | - | Yes | Samsung Galaxy S21+ 5G is waterproof. |
| IP rating | - | IP68 | |
| SAR Value | 0.976 W/kg (body), 0.847 W/kg (head), 2.118 W/kg (limb) | 1.335 W/kg (body), 0.541 W/kg (head), 2.23 W/kg (limb) | |
| Connector Type | USB Type-C - 24 pin USB-C Handset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C | |
| SIM Card Type (Size) | Nano SIM | Nano SIM, Electronic SIM card (e-SIM) | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | OPPO A9 2020 | Samsung Galaxy S21+ 5G |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | TFT | Infinity-O Dynamic AMOLED 2X | |
| Screen Size (Display Size) | 6.5" | 6.7" | Samsung Galaxy S21+ 5G has larger screen size than OPPO A9 2020. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 2400 x 1080 pixels | Samsung Galaxy S21+ 5G has better screen resolution than OPPO A9 2020. |
| Display Format | - | Full HD+ | |
| Pixel Density | 269 ppi | 394 ppi | Samsung Galaxy S21+ 5G has better pixel density than OPPO A9 2020. |
| Max Brightness | 480 cd/m² | - | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Contrast Ratio | 1500:1 | - | |
| HDR | - | Yes | Samsung Galaxy S21+ 5G has HDR. |
| HDR Technology | - | HDR10+ | |
| Display Enhancement Technology | Blue light filter | Eye Comfort Shield | |
| Display Refresh Rate | - | 120 Hz | |
| Display Features | In-Cell Display Technology, Sunlight screen | AOD(Always On Display) | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass Victus (scratch resistant glass) |
| PROCESSOR | OPPO A9 2020 | Samsung Galaxy S21+ 5G |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 665 | Samsung Exynos 2100 | |
|---|---|---|---|
| Clock Speed | - | 2.9 GHz | |
| Processor Core Qty | - | 8-core | |
| Graphics System (GPU) | Qualcomm ADRENO 610 | Mali-G78 MP14 |
| MEMORY | OPPO A9 2020 | Samsung Galaxy S21+ 5G |
|---|
| RAM | LPDDR4X SDRAM - 4 GB | LPDDR5 SDRAM - 8 GB | Samsung Galaxy S21+ 5G has more RAM than OPPO A9 2020. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 128 GB | Both phones have the same internal memory capacity. |
| User Memory | - | 102.2 GB | |
| Memory Interface | UFS 2.1 | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | - |
| CAMERA | OPPO A9 2020 | Samsung Galaxy S21+ 5G |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 3 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 12 Megapixel | OPPO A9 2020 has better camera resolution than Samsung Galaxy S21+ 5G. |
| Sensor Size | 1/2.25" | - | |
| Sensor Type | CMOS | - | |
| Lens Type | - | Ultra wide-angle lens | |
| Lens Aperture | F/1.8 | F/2.2 | OPPO A9 2020 has better lens aperture than OPPO A9 2020. |
| Field of View (FoV) | - | 120 degree(s) | |
| Pixel Size | 0.8 μm | 1.4 μm | Samsung Galaxy S21+ 5G has larger camera pixel size than OPPO A9 2020. |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | Samsung Galaxy S21+ 5G has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Optical Zoom | - | 3x | |
| Digital Zoom | - | 30x | |
| Self-Timer Delay | - | Yes | |
| Special Effects | - | Face retouch, Grid Line | |
| HDR Mode | - | Auto HDR mode | |
| Camera Modes | Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Expert Mode, Portrait, Night, Ultra Night Mode 2.0 | Panorama, Slow motion mode, Pro mode, HYPERLAPSE, Super Slow-mo, Flowers, Greenery, Trees, Sky, Beaches, Watersides, Snow, Backlit, Text, Food, Face, Baby, Person, Dog, Cat, People, Sunset, Sunrise, City, Waterfall, Scenery, Stage, Vehicles, Drinks, Animal, Shoes, Indoor, Clothes, Night view, Night, Motion Photo, Mountain, Single Take, Pro Video, Director's View | |
| Light Source | LED flash | High CRI LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps | 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1280 x 720 (720p) at 960 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, 7680 x 4320 (UHD 8K) at 24fps, Hyperlapse 4K video support at 30 fps, Super Steady 1080p video support at 60 fps | |
| Camera Features (Functions) | Electronic Image Stabiliser (EIS) | Playback zoom, blink detection, VDIS (Video Digital Image Stabilisation), Tracking AF, Video location tags, Scene Optimiser, Flaw detection, Shot suggestions, blur detection, HDR10+ recording, Super steady, Quick Measure, Zoom-In Mic, Space Zoom, Take 33MP still photos while playing 8K video, Hybrid Optic Zoom 3x, Super Resolution Zoom up to 30x, Digital zoom up to 12x for video |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 8 Megapixel | 12 Megapixel | Samsung Galaxy S21+ 5G has better second camera resolution than OPPO A9 2020. |
|---|---|---|---|
| Sensor Size (2nd Camera) | 1/4.0" | 1/1.76" | OPPO A9 2020 has better second camera sensor size than Samsung Galaxy S21+ 5G. |
| Lens Type (2nd Camera) | Ultra wide-angle lens | Wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.25 | F/1.8 | Samsung Galaxy S21+ 5G has better second camera lens aperture than OPPO A9 2020. |
| Field of View (2nd Camera) | 119 degree(s) | 79 degree(s) | OPPO A9 2020 has larger second camera lens field of view than Samsung Galaxy S21+ 5G. |
| Pixel Size (2nd Camera) | 1.12 μm | 1.8 μm | Samsung Galaxy S21+ 5G has larger second camera pixel size than OPPO A9 2020. |
| Camera Features (2nd Camera) | - | OIS (Optical Image Stabilisation), Super Speed Dual Pixel AF |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | 64 Megapixel | Samsung Galaxy S21+ 5G has higher resolution third camera than OPPO A9 2020. |
|---|---|---|---|
| Sensor Size (3rd Camera) | 1/5" | 1/1.72" | OPPO A9 2020 has better third camera sensor size than Samsung Galaxy S21+ 5G. |
| Lens Type (3rd Camera) | - | Telephoto lens | |
| Lens Aperture (3rd Camera) | F/2.4 | F/2.0 | Samsung Galaxy S21+ 5G has better third camera lens aperture than OPPO A9 2020. |
| Field of View (3rd Camera) | - | 76 degree(s) | |
| Pixel Size (3rd Camera) | 1.75 μm | 0.8 μm | OPPO A9 2020 has larger third camera pixel size than Samsung Galaxy S21+ 5G. |
| Camera Features (3rd Camera) | - | Phase Detect Auto-Focus (PDAF) |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 2 Megapixel | - | |
|---|---|---|---|
| Sensor Size (4th Camera) | 1/5" | - | |
| Lens Aperture (4th Camera) | F/2.4 | - | |
| Pixel Size (4th Camera) | 1.75 μm | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 10 Megapixel | OPPO A9 2020 has better front camera resolution than Samsung Galaxy S21+ 5G. |
| Sensor Size (Front) | 1/3.1" | - | |
| Lens Aperture (Front) | F/2.0 | F/2.2 | OPPO A9 2020 has better front lens aperture than OPPO A9 2020. |
| Field of View (Front) | - | 80 degree(s) | |
| Pixel Size (Front) | 1 μm | 1.22 μm | Samsung Galaxy S21+ 5G has larger front camera pixel size than OPPO A9 2020. |
| Focus Adjustment | - | Automatic | |
| Camera Modes (Front) | AI Beauty | - | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | - | |
| Camera Features (Front) | - | Dual Pixel AF |
| BATTERY AND CHARGING | OPPO A9 2020 | Samsung Galaxy S21+ 5G |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 4800 mAh | OPPO A9 2020 has larger battery capacity than Samsung Galaxy S21+ 5G. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 2.0, Adaptive Fast Charging, Samsung Super Fast Charging, Power Delivery 3.0 | Samsung Galaxy S21+ 5G has fast charging technology. |
| Wireless Charging | - | Yes | Samsung Galaxy S21+ 5G can be charged wirelessly. |
| Wireless Charging Standards | - | WPC, Qi, Fast Wireless Charging 2.0, Wireless PowerShare | |
| Standby Time | 450 hours | - | |
| Talk Time | 2700 minutes | 2400 minutes | OPPO A9 2020 has longer battery life when making calls than Samsung Galaxy S21+ 5G. |
| Run Time Details | Standby: up to 450 hrs Talk: up to 2700 min |
Talk (4G): up to 2400 min Active online usage (LTE): up to 15 hrs Active online usage (Wi-Fi): up to 17 hrs Playback (wireless video): up to 22 hrs Playback (wireless audio): up to 75 hrs |
| CELLULAR | OPPO A9 2020 | Samsung Galaxy S21+ 5G |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Samsung Galaxy S21+ 5G has more advanced generation mobile network. |
| Operating System | ColorOS 6.0.1 (based on Android 9) | Android 11 | |
| Intelligent Assistant | - | Bixby | |
| Payment Technology | - | Samsung Pay | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | OPPO A9 2020 | Samsung Galaxy S21+ 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 4, Band 5, Band 6, Band 8, Band 19 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 800, 900, 800 | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 18, Band 19, Band 20, Band 26, Band 28, Band 38, Band 39, 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 66 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 1900, 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, 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 | Bluetooth 5.0 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | OPPO A9 2020 | Samsung Galaxy S21+ 5G |
|---|
| Supported Digital Audio Standards | - | WAV, WMA, AAC, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, DSD, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID, DSD64, DSD128 | |
|---|---|---|---|
| Supported Digital Video Standards | - | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | |
| Sound Enhancements | Dolby Atmos sound technology, Hi-Res audio | Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound |
| FEATURES | OPPO A9 2020 | Samsung Galaxy S21+ 5G |
|---|
| 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, proximity sensor, gyro sensor, geomagnetic sensor | Accelerometer, ambient light sensor, proximity sensor, barometer, gyro sensor, hall sensor, geomagnetic sensor | |
| Security Devices | Face recognition | Fingerprint reader (under display), face recognition | |
| Additional Phone Features | Multitasking, Game Boost 2.0 | Air View, MIMO technology, Smart Select, Samsung KNOX, Smart View, Live message, Screen off memo, Bixby Vision, Dual Audio, Bixby Routines, Intelligent Performance Enhancer, AR Doodle, PENUP, Bixby key, Samsung Knox Vault, Private Share function, Enhanced Game Booster |
| OTHERS | OPPO A9 2020 | Samsung Galaxy S21+ 5G |
|---|
| Included Accessories | Headphones, power adapter, SIM card removal tool, cover, USB-C cable, screen protector (pre-applied) | SIM card removal tool, USB-C to USB-C cable | |
|---|---|---|---|
| Compliant Standards | - | IP68, HAC (Hearing Aid Compatible) | |
| Max Depth of Water Resistance | - | 1.5 m |
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