Samsung Galaxy Note8 DUOS vs. OPPO A57s

Phone Comparison, Reviews and Tests

Side by side comparison and review of Samsung Galaxy Note8 DUOS and OPPO A57s. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.

Phone Specifications Comparison

Samsung Galaxy Note8 DUOS vs. OPPO A57s Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy Note8 DUOS OPPO A57s
Product Type Smartphone Smartphone
Manufacturer Model Number SM-N950F/DS CPH2385
Form Factor Touch Touch
Height 162.5 mm 163.74 mm OPPO A57s has greater height than Samsung Galaxy Note8 DUOS.
Width 74.8 mm 75.03 mm OPPO A57s has greater width than Samsung Galaxy Note8 DUOS.
Depth 8.6 mm 7.99 mm OPPO A57s is narrower than Samsung Galaxy Note8 DUOS.
Weight 195 g 187 g OPPO A57s is lighter than Samsung Galaxy Note8 DUOS.
Body Colour Midnight black Starry black
Body Material - Composite polymer
Protection Dustproof, splashproof, waterproof -
Waterproof (Water-resistant) Yes - Samsung Galaxy Note8 DUOS is waterproof.
IP rating IP68 IPX4
SAR Value 1.29 W/kg (body), 0.173 W/kg (head) 1.015 W/kg (body), 0.957 W/kg (head), 2.399 W/kg (limb)
Integrated Components Heart rate sensor -
Connector Type USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
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 (SIM1 and SIM2/MicroSD slots) Dual-SIM
SIM Card Configuration Details Nano SIM + nano SIM/microSD Nano SIM + nano SIM/microSD
DISPLAY Samsung Galaxy Note8 DUOS OPPO A57s
Display Type OLED display LCD display
Display Technology Quad HD+ Super AMOLED LCD
Screen Size (Display Size) 6.3" 6.56" OPPO A57s has larger screen size than Samsung Galaxy Note8 DUOS.
Screen Resolution (Display Resolution) 2960 x 1440 pixels 1612 x 720 pixels Samsung Galaxy Note8 DUOS has better screen resolution than OPPO A57s.
Display Format - HD+
Pixel Density 521 ppi 269 ppi Samsung Galaxy Note8 DUOS has better pixel density than OPPO A57s.
Aspect Ratio - 20.1:9
Max Brightness - 600 cd/m²
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
Contrast Ratio - 1500:1
Display Refresh Rate - 60 Hz
Touch Sampling Rate - 60 Hz
Display Features Always-on display Night mode, Eye comfort mode, 96% NTSC
Display Protection (Screen Protector) - Panda Glass MN228
PROCESSOR Samsung Galaxy Note8 DUOS OPPO A57s
Processor Type (CPU) Samsung Exynos MediaTek Helio G35
Processor Number 8895 -
Clock Speed 2.3 GHz 2.3 GHz Both phones have the same clock speed.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - Samsung Galaxy Note8 DUOS has 64-bit architecture.
Graphics System (GPU) Mali-G71 MP20 IMG GE8320
MEMORY Samsung Galaxy Note8 DUOS OPPO A57s
RAM LPDDR4 SDRAM - 6 GB LPDDR4X SDRAM - 4 GB Samsung Galaxy Note8 DUOS has more RAM than OPPO A57s.
Internal Memory Size (Storage Capacity) 64 GB 128 GB OPPO A57s has more internal memory than Samsung Galaxy Note8 DUOS.
User Memory 51.2 GB -
Memory Interface - eMMC 5.1
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 256 GB microSDHC, microSD, microSDXC - up to 1 TB
CAMERA Samsung Galaxy Note8 DUOS OPPO A57s
MAIN CAMERA
Number of Main Cameras 2 2
Sensor Resolution 12 Megapixel 50 Megapixel OPPO A57s has better camera resolution than Samsung Galaxy Note8 DUOS.
Sensor Size 1/2.55" 1/2.76" OPPO A57s has better camera sensor size than Samsung Galaxy Note8 DUOS.
Sensor Name - Samsung S5KJN1
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 5-element
Field of View (FoV) - 77 degree(s)
Pixel Size - 0.64 μm
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) - Samsung Galaxy Note8 DUOS has optical stabilisation.
Focus Adjustment Automatic, manual Automatic
Minimum Focal Length (Focal Distance) - 27 mm
Optical Zoom 2x -
Digital Zoom 10x 5x Samsung Galaxy Note8 DUOS has better digital zoom than OPPO A57s.
Self-Timer Delay Yes -
Special Effects Motion effect, HDR, Stamp, Bokeh effect, Grid Line, Stickers Stickers
Camera Modes Panorama, Slow motion mode, Pro mode, Timer mode, Virtual Shot, HYPERLAPSE, Food mode Panorama, Time-lapse mode, Pro mode, Portrait, Night
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
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) -
SECOND CAMERA
Sensor Resolution (2nd Camera) 12 Megapixel 2 Megapixel Samsung Galaxy Note8 DUOS has better second camera resolution than OPPO A57s.
Sensor Size (2nd Camera) - 1/5"
Lens Type (2nd Camera) Telephoto lens -
Lens Aperture (2nd Camera) F/2.4 F/2.4 Both phones have the same second camera lens aperture.
Lens Element Qty (2nd Camera) - 3-element
Field of View (2nd Camera) - 89 degree(s)
Pixel Size (2nd Camera) - 1.75 μm
Minimum Focal Length (2nd Camera) - 21 mm
Camera Functions (2nd Camera) - Monochrome
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 8 Megapixel 8 Megapixel Both phones have the same front camera resolution.
Sensor Size (Front) 1/3.6" 1/1.4" Samsung Galaxy Note8 DUOS has better front camera sensor size than OPPO A57s.
Sensor Type (Front) CMOS -
Sensor Name (Front) - Omnivision OV08D10 sensor
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.
Lens Element Qty (Front) - 5-element
Field of View (Front) - 79 degree(s)
Pixel Size (Front) - 1.12 μm
Focus Adjustment Automatic Focus free
Min Focal Length (Front) - 26 mm
Special Effects (Front) - Stickers
Camera Modes (Front) Wide selfie mode Panorama, Time-lapse mode, Portrait
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 A57s
Battery Capacity (Battery Size) 3300 mAh 5000 mAh OPPO A57s has larger battery capacity than Samsung Galaxy Note8 DUOS.
Fast Charging Technology - SuperVOOC Flash Charge technology OPPO A57s has fast charging technology.
Wireless Charging Yes - Samsung Galaxy Note8 DUOS can be charged wirelessly.
Wireless Charging Standards WPC, PMA -
Standby Time - 304 hours
Talk Time 1320 minutes 1800 minutes OPPO A57s 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
Talk: up to 1800 min
Standby (4G): up to 304 hrs
Playback (video): up to 13.4 hrs
Playback (audio (via speakers, 50% volume)): up to 40 hrs
CELLULAR Samsung Galaxy Note8 DUOS OPPO A57s
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 12.1 (based on Android 12)
Intelligent Assistant Bixby -
Payment Technology Samsung Pay -
Navigation GPS, GLONASS, BeiDou, Galileo GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS
COMMUNICATIONS Samsung Galaxy Note8 DUOS OPPO A57s
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE VoLTE, FDD-LTE, TDD-LTE, VoWiFi
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 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 900 2100, 850, 900
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 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 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 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, ANT+/ANT IEEE 802.11a/b/g/n/ac
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 Note8 DUOS OPPO A57s
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 WAV, WMA, AAC, AMR, MP3, FLAC, AC-3, OGG, MIDI, APE (Monkey's Audio), LDAC, OPUS, MID, SBC, apt-X HD
Supported Digital Video Standards MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 MKV, FLV, AVI, MOV, ASF, 3GP, M4V, TS, M2TS, WebM, MP4
Sound Enhancements Acoustic Overload Point Dirac sound technologies
FEATURES Samsung Galaxy Note8 DUOS OPPO A57s
Phone Functions 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, proximity sensor, magnetometer, gravity sensor, brightness sensor
Security Devices Fingerprint reader, eye scan Face recognition, fingerprint reader (side)
Additional Phone Features Face Unlock, Wi-Fi Miracast, MU-MIMO technology, Fast Charging, Samsung KNOX Noise reduction microphone, Fast Charging, 3 years of Security Updates, 2 years of OS upgrades, Cooling Graphite Thermal Pad, Reverse charging, super-linear dual speakers
OTHERS Samsung Galaxy Note8 DUOS OPPO A57s
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 SIM card removal tool, USB-C charging cable, protective film, SuperVOOC 33W power adapter
Compliant Standards IP68, HAC (Hearing Aid Compatible) IPX4
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