OnePlus 9 Pro vs. OPPO A57s

Phone Comparison, Reviews and Tests

Side by side comparison and review of OnePlus 9 Pro 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

OnePlus 9 Pro vs. OPPO A57s Comparison Chart
DESIGN AND DIMENSIONS OnePlus 9 Pro OPPO A57s
Product Type Smartphone Smartphone
Manufacturer Model Number - CPH2385
Form Factor Touch Touch
Height 163.2 mm 163.74 mm OPPO A57s has greater height than OnePlus 9 Pro.
Width 73.6 mm 75.03 mm OPPO A57s has greater width than OnePlus 9 Pro.
Depth 8.7 mm 7.99 mm OPPO A57s is narrower than OnePlus 9 Pro.
Weight 197 g 187 g OPPO A57s is lighter than OnePlus 9 Pro.
Body Colour Morning mist | Stellar black Starry black
Body Material - Composite polymer
Waterproof (Water-resistant) - - OPPO A57s is waterproof.
IP rating - IPX4
SAR Value 2.77 W/kg (limb), 1.26 W/kg (body), 0.99 W/kg (head) 1.015 W/kg (body), 0.957 W/kg (head), 2.399 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
SIM Card Configuration Details - Nano SIM + nano SIM/microSD
DISPLAY OnePlus 9 Pro OPPO A57s
Display Type OLED display LCD display
Display Technology Fluid Amoled LCD
Screen Size (Display Size) 6.7" 6.56" OnePlus 9 Pro has larger screen size than OPPO A57s.
Screen Resolution (Display Resolution) 3216 x 1440 pixels 1612 x 720 pixels OnePlus 9 Pro has better screen resolution than OPPO A57s.
Display Format - HD+
Pixel Density 525 ppi 269 ppi OnePlus 9 Pro has better pixel density than OPPO A57s.
Aspect Ratio 20.1:9 20.1:9
Max Brightness - 600 cd/m²
Colour Depth 1.07 billion colours 16.7 million colours OnePlus 9 Pro has better colour depth than OPPO A57s.
Contrast Ratio - 1500:1
Display Refresh Rate 120 Hz 60 Hz OnePlus 9 Pro has better refresh rate than OPPO A57s.
Touch Sampling Rate - 60 Hz
Display Features Reading mode, night mode, Wide colour display (P3), Vibrant Color Effect Pro, Motion Graphics Smoothing, sRGB support, Hyper Touch, Adaptive Display, Fluid Display 2.0 Night mode, Eye comfort mode, 96% NTSC
Display Protection (Screen Protector) Corning Gorilla Glass (scratch resistant glass) Panda Glass MN228
PROCESSOR OnePlus 9 Pro OPPO A57s
Processor Type (CPU) Qualcomm Snapdragon 888 MediaTek Helio G35
Clock Speed - 2.3 GHz
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
Graphics System (GPU) Qualcomm ADRENO 660 IMG GE8320
MEMORY OnePlus 9 Pro OPPO A57s
RAM LPDDR5 SDRAM - 8 GB LPDDR4X SDRAM - 4 GB OnePlus 9 Pro has more RAM than OPPO A57s.
Internal Memory Size (Storage Capacity) 128 GB 128 GB Both phones have the same internal memory capacity.
Memory Interface UFS 3.1 2-lane eMMC 5.1
Supported Flash Memory Cards (Expandable Memory) - microSDHC, microSD, microSDXC - up to 1 TB
CAMERA OnePlus 9 Pro OPPO A57s
MAIN CAMERA
Number of Main Cameras 4 2
Sensor Resolution 48 Megapixel 50 Megapixel OPPO A57s has better camera resolution than OnePlus 9 Pro.
Sensor Size 1/1.43" 1/2.76" OPPO A57s has better camera sensor size than OnePlus 9 Pro.
Sensor Name Sony Exmor RS IMX789 sensor Samsung S5KJN1
Lens Aperture F/1.8 F/1.8 Both phones have the same camera lens aperture.
Lens Construction 7-element 5-element
Field of View (FoV) - 77 degree(s)
Pixel Size 1.12 μm 0.64 μm OnePlus 9 Pro has larger camera pixel size than OPPO A57s.
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) - OnePlus 9 Pro has optical stabilisation.
Focus Adjustment Automatic Automatic
Laser Auto Focus Yes -
Minimum Focal Length (Focal Distance) - 27 mm
Digital Zoom - 5x
Special Effects HDR Stickers
Camera Modes Panorama, Time-lapse mode, Pro mode, HYPERLAPSE, Nightscape capture mode, Portrait, Filter mode, Super Macro, Macro mode, Portrait video, UltraShot HDR, Tracking Shot, Smart Scene Recognition, Tilt-shift mode, Focus Peaking, Cat/Dog Face Focus, Super Stable, Video Nightscape Panorama, Time-lapse mode, Pro mode, Portrait, Night
Light Source Dual LED flash LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1920 x 1080 (1080p) at 240 fps, Super slow motion video 1280 x 720 (720p) at 480 fps, 7680 x 4320 (8K) at 30fps, 3840 x 2160 (4K) at 120 fps 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Functions) Continuous Auto Focus (CAF), RAW image capture, All Pixel OmniDirectional PDAF, Hasselblad Camera, Natural Color Calibration -
SECOND CAMERA
Sensor Resolution (2nd Camera) 50 Megapixel 2 Megapixel OnePlus 9 Pro has better second camera resolution than OPPO A57s.
Sensor Size (2nd Camera) 1/1.56" 1/5" OPPO A57s has better second camera sensor size than OnePlus 9 Pro.
Sensor Name (2nd Camera) Sony Exmor RS IMX766 sensor -
Lens Type (2nd Camera) Ultra wide-angle lens -
Lens Aperture (2nd Camera) F/2.2 F/2.4 OnePlus 9 Pro has better second camera lens aperture than OnePlus 9 Pro.
Lens Element Qty (2nd Camera) 7-element 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
Camera Features (2nd Camera) Freeform Lens -
THIRD CAMERA
Sensor Resolution (3rd Camera) 8 Megapixel -
Lens Type (3rd Camera) Telephoto lens -
Lens Aperture (3rd Camera) F/2.4 -
Pixel Size (3rd Camera) 1 μm -
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) - OnePlus 9 Pro has optical stabilisation of the third camera.
FOURTH CAMERA
Sensor Resolution (4th Camera) 2 Megapixel -
Lens Element Qty (4th Camera) 3-element -
Camera Functions (4th Camera) Monochrome -
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 16 Megapixel 8 Megapixel OnePlus 9 Pro has better front camera resolution than OPPO A57s.
Sensor Size (Front) - 1/1.4"
Sensor Name (Front) Sony Exmor RX IMX471 sensor Omnivision OV08D10 sensor
Lens Aperture (Front) F/2.4 F/2.0 OPPO A57s has better front lens aperture than OnePlus 9 Pro.
Lens Element Qty (Front) - 5-element
Field of View (Front) - 79 degree(s)
Pixel Size (Front) 1 μm 1.12 μm OPPO A57s has larger front camera pixel size than OnePlus 9 Pro.
Focus Adjustment Focus free Focus free
Min Focal Length (Front) - 26 mm
Special Effects (Front) HDR, face retouch Stickers
Camera Modes (Front) Time-lapse mode Panorama, Time-lapse mode, Portrait
Light Source (Front) Display flash -
Video Resolutions (Front) 1920 x 1080 (1080p) at 30 fps 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Front) Electronic Image Stabiliser (EIS) -
BATTERY AND CHARGING OnePlus 9 Pro OPPO A57s
Battery Capacity (Battery Size) 4500 mAh 5000 mAh OPPO A57s has larger battery capacity than OnePlus 9 Pro.
Fast Charging Technology Warp Charge 65T technology SuperVOOC Flash Charge technology Both phones have fast charging technology.
Wireless Charging Yes - OnePlus 9 Pro can be charged wirelessly.
Wireless Charging Standards Qi, Warp Charge 50 Wireless -
Standby Time - 304 hours
Talk Time - 1800 minutes
Run Time Details - 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 OnePlus 9 Pro OPPO A57s
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 5G 4G OnePlus 9 Pro has more advanced generation mobile network.
Operating System OxygenOS (based on Android 11) ColorOS 12.1 (based on Android 12)
Navigation GPS, A-GPS, GLONASS, BeiDou, Galileo GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS
COMMUNICATIONS OnePlus 9 Pro OPPO A57s
Data Transmission LTE Advanced, FDD-LTE, TDD-LTE, 5G NR FR1 VoLTE, FDD-LTE, TDD-LTE, VoWiFi
2G Band - 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band Band 1, Band 2, Band 4, Band 5, Band 8, Band 9, Band 19 Band 1, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 900, 1700, 800 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
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/ax IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 5.2 Bluetooth 5.3 BLE
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Modem Snapdragon X60 5G -
MEDIA OnePlus 9 Pro OPPO A57s
Supported Digital Audio Standards WAV, WMA, AAC, MP3, FLAC, AC-3, AAC +, OGG, APE (Monkey's Audio), M4A, apt-X, LDAC, IMY, EAC3, MID, AMR-WB, AMR-NB, apt-X HD, EAC3-JOC, AC-4 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, MOV, WMV, 3GP, TS, WebM, H.265 HEVC, MP4 MKV, FLV, AVI, MOV, ASF, 3GP, M4V, TS, M2TS, WebM, MP4
Sound Enhancements Dolby Atmos sound technology Dirac sound technologies
FEATURES OnePlus 9 Pro OPPO A57s
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert -
Sensors Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, RGB sensor, flicker sensor, sensor core Accelerometer, proximity sensor, magnetometer, gravity sensor, brightness sensor
Security Devices Fingerprint reader (under display), face recognition Face recognition, fingerprint reader (side)
Additional Phone Features Face Unlock, Noise Cancellation Technology, MIMO technology, Alert Slider, dual stereo speakers 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 OnePlus 9 Pro OPPO A57s
Included Accessories SIM card removal tool, sticker, screen protector, protective case, Warp Charge 65 power adapter, Warp Type-C cable SIM card removal tool, USB-C charging cable, protective film, SuperVOOC 33W power adapter
Compliant Standards - IPX4
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