Samsung Galaxy Note9 Unlocked vs. OPPO A57s

Phone Comparison, Reviews and Tests

Detailed comparison and review of Samsung Galaxy Note9 Unlocked and OPPO A57s. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.

Phone Specifications Comparison

Samsung Galaxy Note9 Unlocked vs. OPPO A57s Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy Note9 Unlocked OPPO A57s
Product Type Smartphone Smartphone
Manufacturer Model Number SM-N960U1 CPH2385
Form Factor Touch Touch
Height 161.9 mm 163.74 mm OPPO A57s has greater height than Samsung Galaxy Note9 Unlocked.
Width 76.4 mm 75.03 mm Samsung Galaxy Note9 Unlocked has greater width than OPPO A57s.
Depth 8.8 mm 7.99 mm OPPO A57s is narrower than Samsung Galaxy Note9 Unlocked.
Weight 201 g 187 g OPPO A57s is lighter than Samsung Galaxy Note9 Unlocked.
Body Colour Ocean blue Starry black
Body Material - Composite polymer
Protection Dustproof, splashproof, waterproof -
Waterproof (Water-resistant) Yes - Samsung Galaxy Note9 Unlocked is waterproof.
IP rating IP68 IPX4
SAR Value 1.59 W/kg (simultaneous), 1.39 W/kg (wireless router), 1.03 W/kg (body), 1.29 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 Single-SIM Dual-SIM
SIM Card Configuration Details - Nano SIM + nano SIM/microSD
DISPLAY Samsung Galaxy Note9 Unlocked OPPO A57s
Display Type OLED display LCD display
Display Technology Quad HD+ Super AMOLED LCD
Screen Size (Display Size) 6.4" 6.56" OPPO A57s has larger screen size than Samsung Galaxy Note9 Unlocked.
Screen Resolution (Display Resolution) 2960 x 1440 pixels 1612 x 720 pixels Samsung Galaxy Note9 Unlocked has better screen resolution than OPPO A57s.
Display Format QHD+ HD+
Pixel Density 516 ppi 269 ppi Samsung Galaxy Note9 Unlocked 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, Edge Screen, Infinity Display, Edge-to-Edge screen Night mode, Eye comfort mode, 96% NTSC
Display Protection (Screen Protector) - Panda Glass MN228
PROCESSOR Samsung Galaxy Note9 Unlocked OPPO A57s
Processor Type (CPU) Qualcomm Snapdragon 845 MediaTek Helio G35
Clock Speed 2.8 GHz 2.3 GHz Samsung Galaxy Note9 Unlocked has higher clock speed than OPPO A57s.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - Samsung Galaxy Note9 Unlocked has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 630 IMG GE8320
MEMORY Samsung Galaxy Note9 Unlocked OPPO A57s
RAM LPDDR4 SDRAM - 8 GB LPDDR4X SDRAM - 4 GB Samsung Galaxy Note9 Unlocked has more RAM than OPPO A57s.
Internal Memory Size (Storage Capacity) 512 GB 128 GB Samsung Galaxy Note9 Unlocked has more internal memory than OPPO A57s.
User Memory 463.4 GB -
Memory Interface - eMMC 5.1
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 512 GB microSDHC, microSD, microSDXC - up to 1 TB
CAMERA Samsung Galaxy Note9 Unlocked 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 Note9 Unlocked.
Sensor Size 1/2.55" 1/2.76" OPPO A57s has better camera sensor size than Samsung Galaxy Note9 Unlocked.
Sensor Name - Samsung S5KJN1
Lens Type Wide-angle lens -
Lens Aperture F/1.5 & f/2.4 F/1.8 Samsung Galaxy Note9 Unlocked has better lens aperture than Samsung Galaxy Note9 Unlocked.
Lens Construction - 5-element
Field of View (FoV) - 77 degree(s)
Pixel Size - 0.64 μm
Optical Image Stabiliser (OIS) Dual OIS (Optical Image Stabilisation) - Samsung Galaxy Note9 Unlocked has optical stabilisation.
Focus Adjustment Automatic Automatic
Minimum Focal Length (Focal Distance) - 27 mm
Optical Zoom 2x -
Digital Zoom 10x 5x Samsung Galaxy Note9 Unlocked has better digital zoom than OPPO A57s.
Special Effects HDR, Bokeh effect, Grid Line Stickers
Camera Modes Panorama, Pro mode, Timer mode, HYPERLAPSE, Auto mode, Food mode, Super Slow-mo, AR Emoji, Portraits, Flowers, Indoor scenes, Animals, Landscapes, Greenery, Trees, Sky, Mountains, Beaches, Sunrises and sunsets, Watersides, Street scenes, Night scenes, Waterfalls, Snow, Birds, Backlit, Text, Disney AR Emoji Panorama, Time-lapse mode, Pro mode, Portrait, Night
Face Recognition (Face ID) Face detection - Samsung Galaxy Note9 Unlocked has face detection.
Light Source LED flash 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, 3840 x 2160 (4K) 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, 2560 x 1440 (QHD) at 30 fps 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Functions) Quick Launch, Playback zoom, Motion photo, VDIS (Video Digital Image Stabilisation), Live Focus, Dual Capture, High CRI LED flash, Tracking AF, Video location tags, Stamps, location tags, Continuous autofocus video, Hyperlapse video support 1080p, Live focus with bokeh filters, Super Speed Dual Pixel, background blur, Scene Optimiser, Eye blink, Motion blur, Lens smudge, Backlit, Full view, Flaw detection, 9.1MP still photos recording 4K video -
SECOND CAMERA
Sensor Resolution (2nd Camera) 12 Megapixel 2 Megapixel Samsung Galaxy Note9 Unlocked has better second camera resolution than OPPO A57s.
Sensor Size (2nd Camera) 1/3.4" 1/5" OPPO A57s has better second camera sensor size than Samsung Galaxy Note9 Unlocked.
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 Note9 Unlocked has better front camera sensor size than OPPO A57s.
Sensor Name (Front) - Omnivision OV08D10 sensor
Lens Type (Front) Wide-angle lens -
Lens Aperture (Front) F/1.7 F/2.0 Samsung Galaxy Note9 Unlocked has better front lens aperture than Samsung Galaxy Note9 Unlocked.
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) HDR, Grid Line Stickers
Camera Modes (Front) Timer mode, wide selfie mode, selfie mode, AR Emoji, selfie focus 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) Quick launch, Motion photo, Stamps, location tags, VDIS (Video Digital Image Stabilization), Full view, Flaw detection -
BATTERY AND CHARGING Samsung Galaxy Note9 Unlocked OPPO A57s
Battery Capacity (Battery Size) 4000 mAh 5000 mAh OPPO A57s has larger battery capacity than Samsung Galaxy Note9 Unlocked.
Fast Charging Technology - SuperVOOC Flash Charge technology OPPO A57s has fast charging technology.
Wireless Charging Yes - Samsung Galaxy Note9 Unlocked can be charged wirelessly.
Wireless Charging Standards WPC, PMA -
Standby Time - 304 hours
Talk Time 2280 minutes 1800 minutes Samsung Galaxy Note9 Unlocked has longer battery life when making calls than OPPO A57s.
Run Time Details Talk (CDMA): up to 2280 min
Active online usage (3G): up to 15 hrs
Active online usage (LTE): up to 16 hrs
Active online usage (Wi-Fi): up to 16 hrs
Playback (audio): up to 60 hrs
Playback (audio (Always On Display Off)): up to 95 hrs
Playback (video): up to 21 hrs
Talk (WCDMA): up to 2280 min
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 Note9 Unlocked OPPO A57s
Technology CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 8.1 Oreo ColorOS 12.1 (based on Android 12)
Intelligent Assistant Bixby -
Payment Technology Samsung Pay -
Navigation GPS, GLONASS GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS
COMMUNICATIONS Samsung Galaxy Note9 Unlocked OPPO A57s
Data Transmission GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE VoLTE, FDD-LTE, TDD-LTE, VoWiFi
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X 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 14, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 29, Band 30, Band 38, Band 39, Band 40, Band 41, Band 46, Band 66, Band 71 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 700 PS, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 700d, FDD 2300 WCS, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 5150, FDD 1700 - 2110 AWS-3, FDD 600 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 Note9 Unlocked OPPO A57s
Supported Digital Audio Standards WAV, WMA, AAC, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, apt-X, DSF, DSD, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID, DSD64, DSD128 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 Dolby Digital Plus sound, Dolby Atmos sound technology, Acoustic Overload Point, stereo speakers tuned by AKG, Dolby Digital sound Dirac sound technologies
FEATURES Samsung Galaxy Note9 Unlocked 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, pressure sensor, geomagnetic sensor Accelerometer, proximity sensor, magnetometer, gravity sensor, brightness sensor
Security Devices Face recognition, fingerprint reader, eye scan Face recognition, fingerprint reader (side)
Additional Phone Features S Pen multi-input, Face Unlock, Wi-Fi Miracast, Screen Write, Smart Select, MU-MIMO technology, Fast Charging, Samsung KNOX, Face recognition, High AOP Mic, Smart View, Live message, Screen off memo, Samsung DeX support, Bixby Vision, Smart Performance Adjuster, Dual Audio, water-carbon cooling system, S Pen remote function 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 Note9 Unlocked OPPO A57s
Included Accessories Power adapter, tweezer, SIM card removal tool, USB connector, USB-C cable, S Pen, Pen nibs, headset (tuned by AKG) SIM card removal tool, USB-C charging cable, protective film, SuperVOOC 33W power adapter
Compliant Standards IP68 IPX4
Max Depth of Water Resistance 1.5 m -
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