In depth comparison and review of Samsung Galaxy Note8 DUOS and OPPO A9 2020. 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 Note8 DUOS | OPPO A9 2020 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-N950F/DS | CPH1941 | |
| Form Factor | Touch | Touch | |
| Height | 162.5 mm | 163.6 mm | OPPO A9 2020 has greater height than Samsung Galaxy Note8 DUOS. |
| Width | 74.8 mm | 75.6 mm | OPPO A9 2020 has greater width than Samsung Galaxy Note8 DUOS. |
| Depth | 8.6 mm | 9.1 mm | Samsung Galaxy Note8 DUOS is narrower than Samsung Galaxy Note8 DUOS. |
| Weight | 195 g | 195 g | Both phones are the same weight. |
| Body Colour | Midnight black | Marine green | Space purple | |
| Body Material | - | 3D glass | |
| Protection | Dustproof, splashproof, waterproof | - | |
| Waterproof (Water-resistant) | Yes | - | Samsung Galaxy Note8 DUOS is waterproof. |
| IP rating | IP68 | - | |
| SAR Value | 1.29 W/kg (body), 0.173 W/kg (head) | 0.976 W/kg (body), 0.847 W/kg (head), 2.118 W/kg (limb) | |
| Integrated Components | Heart rate sensor | - | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C Handset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM (SIM1 and SIM2/MicroSD slots) | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
| DISPLAY | Samsung Galaxy Note8 DUOS | OPPO A9 2020 |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | Quad HD+ Super AMOLED | TFT | |
| Screen Size (Display Size) | 6.3" | 6.5" | OPPO A9 2020 has larger screen size than Samsung Galaxy Note8 DUOS. |
| Screen Resolution (Display Resolution) | 2960 x 1440 pixels | 1600 x 720 pixels | Samsung Galaxy Note8 DUOS has better screen resolution than OPPO A9 2020. |
| Pixel Density | 521 ppi | 269 ppi | Samsung Galaxy Note8 DUOS 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 | |
| Display Enhancement Technology | - | Blue light filter | |
| Display Features | Always-on display | In-Cell Display Technology, Sunlight screen |
| PROCESSOR | Samsung Galaxy Note8 DUOS | OPPO A9 2020 |
|---|
| Processor Type (CPU) | Samsung Exynos | Qualcomm Snapdragon 665 | |
|---|---|---|---|
| Processor Number | 8895 | - | |
| Clock Speed | 2.3 GHz | - | |
| Processor Core Qty | 8-core | - | |
| 64-bit Architecture | Yes | - | Samsung Galaxy Note8 DUOS has 64-bit architecture. |
| Graphics System (GPU) | Mali-G71 MP20 | Qualcomm ADRENO 610 |
| MEMORY | Samsung Galaxy Note8 DUOS | OPPO A9 2020 |
|---|
| RAM | LPDDR4 SDRAM - 6 GB | LPDDR4X SDRAM - 4 GB | Samsung Galaxy Note8 DUOS has more RAM than OPPO A9 2020. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 128 GB | OPPO A9 2020 has more internal memory than Samsung Galaxy Note8 DUOS. |
| User Memory | 51.2 GB | - | |
| Memory Interface | - | UFS 2.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSDXC - up to 256 GB |
| CAMERA | Samsung Galaxy Note8 DUOS | OPPO A9 2020 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 4 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 48 Megapixel | OPPO A9 2020 has better camera resolution than Samsung Galaxy Note8 DUOS. |
| Sensor Size | 1/2.55" | 1/2.25" | Samsung Galaxy Note8 DUOS has better camera sensor size than OPPO A9 2020. |
| Sensor Type | - | CMOS | |
| Lens Type | Wide-angle lens | - | |
| Lens Aperture | F/1.7 | F/1.8 | Samsung Galaxy Note8 DUOS has better lens aperture than Samsung Galaxy Note8 DUOS. |
| Lens Construction | 6-element | - | |
| Pixel Size | - | 0.8 μm | |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | Samsung Galaxy Note8 DUOS has optical stabilisation. |
| Focus Adjustment | Automatic, manual | Automatic | |
| Optical Zoom | 2x | - | |
| Digital Zoom | 10x | - | |
| Self-Timer Delay | Yes | - | |
| Special Effects | Motion effect, HDR, Stamp, Bokeh effect, Grid Line, Stickers | - | |
| Camera Modes | Panorama, Slow motion mode, Pro mode, Timer mode, Virtual Shot, HYPERLAPSE, Food mode | Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Expert Mode, Portrait, Night, Ultra Night Mode 2.0 | |
| Face Recognition (Face ID) | Face detection | - | Samsung Galaxy Note8 DUOS has face detection. |
| White Balance | Custom, automatic | - | |
| Light Source | LED light | LED flash | |
| Video Resolutions | 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 240 fps, 3840 x 2160 (4K) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps | |
| Camera Features (Functions) | Selective Focus, Quick Launch, Playback zoom, Tracking Focus, Dual Pixel technology, Motion photo, Exposure, Shutter speed, geotagging, RAW image capture, VDIS (Video Digital Image Stabilisation) | Electronic Image Stabiliser (EIS) |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | 8 Megapixel | Samsung Galaxy Note8 DUOS has better second camera resolution than OPPO A9 2020. |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/4.0" | |
| Lens Type (2nd Camera) | Telephoto lens | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.4 | F/2.25 | OPPO A9 2020 has better second camera lens aperture than Samsung Galaxy Note8 DUOS. |
| Field of View (2nd Camera) | - | 119 degree(s) | |
| Pixel Size (2nd Camera) | - | 1.12 μm |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Sensor Size (3rd Camera) | - | 1/5" | |
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Pixel Size (3rd Camera) | - | 1.75 μm |
| 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) | 8 Megapixel | 16 Megapixel | OPPO A9 2020 has better front camera resolution than Samsung Galaxy Note8 DUOS. |
| Sensor Size (Front) | 1/3.6" | 1/3.1" | Samsung Galaxy Note8 DUOS has better front camera sensor size than OPPO A9 2020. |
| Sensor Type (Front) | CMOS | - | |
| Lens Type (Front) | Wide-angle lens | - | |
| Lens Aperture (Front) | F/1.7 | F/2.0 | Samsung Galaxy Note8 DUOS has better front lens aperture than Samsung Galaxy Note8 DUOS. |
| Pixel Size (Front) | - | 1 μm | |
| Focus Adjustment | Automatic | - | |
| Camera Modes (Front) | Wide selfie mode | AI Beauty | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Front) | Optical Image Stabilisation (OIS) | - |
| BATTERY AND CHARGING | Samsung Galaxy Note8 DUOS | OPPO A9 2020 |
|---|
| Battery Capacity (Battery Size) | 3300 mAh | 5000 mAh | OPPO A9 2020 has larger battery capacity than Samsung Galaxy Note8 DUOS. |
|---|---|---|---|
| Wireless Charging | Yes | - | Samsung Galaxy Note8 DUOS can be charged wirelessly. |
| Wireless Charging Standards | WPC, PMA | - | |
| Standby Time | - | 450 hours | |
| Talk Time | 1320 minutes | 2700 minutes | OPPO A9 2020 has longer battery life when making calls than Samsung Galaxy Note8 DUOS. |
| Run Time Details | Talk (3G): up to 1320 min Active online usage (3G): up to 12 hrs Active online usage (4G): up to 13 hrs Active online usage (Wi-Fi): up to 14 hrs Playback (audio (Always On Display On)): up to 47 hrs Playback (audio (Always On Display Off)): up to 74 hrs Playback (video): up to 16 hrs |
Standby: up to 450 hrs Talk: up to 2700 min |
| CELLULAR | Samsung Galaxy Note8 DUOS | OPPO A9 2020 |
|---|
| Technology | TD-SCDMA / WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 7.1.1 Nougat | ColorOS 6.0.1 (based on Android 9) | |
| Intelligent Assistant | Bixby | - | |
| Payment Technology | Samsung Pay | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Samsung Galaxy Note8 DUOS | OPPO A9 2020 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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 4, Band 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 1900, 1700, 850, 800, 900, 800 | |
| 4G LTE Band | 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 | 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 | |
| 4G LTE Frequency | 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 | 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 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+/ANT | 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 | SMS, MMS |
| MEDIA | Samsung Galaxy Note8 DUOS | OPPO A9 2020 |
|---|
| Supported Digital Audio Standards | WAV, WMA, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, apt-X, DSF, DSD, MXMF, IMY, RTTTL, RTX, OTA, DFF, MID | - | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | - | |
| Sound Enhancements | Acoustic Overload Point | Dolby Atmos sound technology, Hi-Res audio |
| FEATURES | Samsung Galaxy Note8 DUOS | OPPO A9 2020 |
|---|
| 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, barometer, gyro sensor, hall sensor, RGB sensor, heart rate, pressure sensor, geomagnetic sensor | Accelerometer, ambient light sensor, proximity sensor, gyro sensor, geomagnetic sensor | |
| Security Devices | Fingerprint reader, eye scan | Face recognition | |
| Additional Phone Features | Face Unlock, Wi-Fi Miracast, MU-MIMO technology, Fast Charging, Samsung KNOX | Multitasking, Game Boost 2.0 |
| OTHERS | Samsung Galaxy Note8 DUOS | OPPO A9 2020 |
|---|
| Included Accessories | Power adapter, tweezer, SIM card removal tool, USB Connector (USB-C), micro-USB connector, AKG headphones, USB-C cable, S Pen, Pen nibs | Headphones, power adapter, SIM card removal tool, cover, USB-C cable, screen protector (pre-applied) | |
|---|---|---|---|
| Compliant Standards | IP68, HAC (Hearing Aid Compatible) | - |
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