OnePlus 8 vs. OPPO A9 2020

Phone Comparison, Reviews and Tests

In depth comparison and review of OnePlus 8 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.

Phone Specifications Comparison

OnePlus 8 vs. OPPO A9 2020 Comparison Chart
DESIGN AND DIMENSIONS OnePlus 8 OPPO A9 2020
Product Type Smartphone Smartphone
Manufacturer Model Number - CPH1941
Form Factor Touch Touch
Height 160.2 mm 163.6 mm OPPO A9 2020 has greater height than OnePlus 8.
Width 72.9 mm 75.6 mm OPPO A9 2020 has greater width than OnePlus 8.
Depth 8 mm 9.1 mm OnePlus 8 is narrower than OnePlus 8.
Weight 180 g 195 g OnePlus 8 is lighter than OnePlus 8.
Body Colour Black | Onyx black | Glacial green Marine green | Space purple
Body Material - 3D glass
Waterproof (Water-resistant) - -
SAR Value 0.86 W/kg 0.976 W/kg (body), 0.847 W/kg (head), 2.118 W/kg (limb)
Connector Type USB Type-C - 24 pin USB-C 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 Dual-SIM
DISPLAY OnePlus 8 OPPO A9 2020
Display Type OLED display LCD display
Display Technology Fluid Amoled TFT
Screen Size (Display Size) 6.55" 6.5" OnePlus 8 has larger screen size than OPPO A9 2020.
Screen Resolution (Display Resolution) 2400 x 1080 pixels 1600 x 720 pixels OnePlus 8 has better screen resolution than OPPO A9 2020.
Display Format QHD+ -
Pixel Density 402 ppi 269 ppi OnePlus 8 has better pixel density than OPPO A9 2020.
Aspect Ratio 20:9 -
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 - OnePlus 8 has HDR.
HDR Technology HDR10+ -
Display Enhancement Technology - Blue light filter
Display Features Reading mode, night mode, Wide colour display (P3), 90 Hz Fluid Display In-Cell Display Technology, Sunlight screen
Display Protection (Screen Protector) Corning Gorilla Glass 3D (scratch resistant glass) -
PROCESSOR OnePlus 8 OPPO A9 2020
Processor Type (CPU) Qualcomm Snapdragon 865 Qualcomm Snapdragon 665
Clock Speed 2.84 GHz -
Processor Core Qty 8-core -
64-bit Architecture Yes - OnePlus 8 has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 650 Qualcomm ADRENO 610
MEMORY OnePlus 8 OPPO A9 2020
RAM LPDDR4X SDRAM - 8 GB LPDDR4X SDRAM - 4 GB OnePlus 8 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 100 GB -
Memory Interface UFS 3.0 UFS 2.1
Supported Flash Memory Cards (Expandable Memory) - microSDHC, microSDXC - up to 256 GB
CAMERA OnePlus 8 OPPO A9 2020
MAIN CAMERA
Number of Main Cameras 3 4
Sensor Resolution 48 Megapixel 48 Megapixel Both phones have the same camera resolution.
Sensor Size 1/1.4" 1/2.25" OPPO A9 2020 has better camera sensor size than OnePlus 8.
Sensor Type - CMOS
Sensor Name Sony Exmor RS IMX586 sensor -
Lens Aperture F/1.75 F/1.8 OnePlus 8 has better lens aperture than OnePlus 8.
Lens Construction 6-element -
Pixel Size 0.8 μm 0.8 μm Both phones have the same camera pixel size.
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) - OnePlus 8 has optical stabilisation.
Focus Adjustment Automatic Automatic
Laser Auto Focus Yes -
Special Effects Portrait, HDR, Studio -
Camera Modes Panorama, Time-lapse mode, Pro mode, night mode, portrait mode, Cine Video Mode, Dog, Cat, Nightscape capture mode, Portrait, Ultra shot Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Expert Mode, Portrait, Night, Ultra Night Mode 2.0
Face Recognition (Face ID) Face detection - OnePlus 8 has face detection.
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 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps
Camera Features (Functions) Noise reduction, GIF animation function, Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), Continuous Auto Focus (CAF), RAW image capture, AI scene detection, UltraShot engine Electronic Image Stabiliser (EIS)
SECOND CAMERA
Sensor Resolution (2nd Camera) 2 Megapixel 8 Megapixel OPPO A9 2020 has better second camera resolution than OnePlus 8.
Sensor Size (2nd Camera) - 1/4.0"
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) F/2.4 F/2.25 OPPO A9 2020 has better second camera lens aperture than OnePlus 8.
Field of View (2nd Camera) - 119 degree(s)
Pixel Size (2nd Camera) 1.75 μm 1.12 μm OnePlus 8 has larger second camera pixel size than OPPO A9 2020.
THIRD CAMERA
Sensor Resolution (3rd Camera) 16 Megapixel 2 Megapixel OnePlus 8 has higher resolution third camera than OPPO A9 2020.
Sensor Size (3rd Camera) - 1/5"
Lens Type (3rd Camera) Ultra wide-angle lens -
Lens Aperture (3rd Camera) F/2.2 F/2.4 OnePlus 8 has better third camera lens aperture than OnePlus 8.
Field of View (3rd Camera) 116 degree(s) -
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) 16 Megapixel 16 Megapixel Both phones have the same front camera resolution.
Sensor Size (Front) - 1/3.1"
Sensor Name (Front) Sony Exmor RX IMX471 sensor -
Lens Aperture (Front) F/2.45 F/2.0 OPPO A9 2020 has better front lens aperture than OnePlus 8.
Pixel Size (Front) 1 μm 1 μm Both phones have the same front camera pixel size.
Focus Adjustment Focus free -
Special Effects (Front) HDR, face retouch -
Camera Modes (Front) Time-lapse mode AI Beauty
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 8 OPPO A9 2020
Battery Capacity (Battery Size) 4300 mAh 5000 mAh OPPO A9 2020 has larger battery capacity than OnePlus 8.
Fast Charging Technology Warp Charge 30 technology, Warp Charge 30T technology - OnePlus 8 has fast charging technology.
Standby Time - 450 hours
Talk Time 1740 minutes 2700 minutes OPPO A9 2020 has longer battery life when making calls than OnePlus 8.
Run Time Details Talk: up to 1740 min
Standby: up to 391 hrs
Standby: up to 450 hrs
Talk: up to 2700 min
Battery Technology Lithium Ion -
CELLULAR OnePlus 8 OPPO A9 2020
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 5G 4G OnePlus 8 has more advanced generation mobile network.
Operating System OxygenOS (based on Android 10) ColorOS 6.0.1 (based on Android 9)
Navigation GPS, A-GPS, GLONASS, BeiDou, Galileo GPS, A-GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS OnePlus 8 OPPO A9 2020
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, LTE Advanced, FDD-LTE, TDD-LTE, 5G NR FR1 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 9, Band 19 Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19
3G UMTS Frequency 2100, 1900, 1700, 850, 900, 1700, 800 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 34, Band 38, Band 39, Band 40, Band 41, Band 42, Band 46, 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 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500, TDD 5150, 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
5G NR Band N1, n3, n7, n28, n78 -
5G NR Frequency FDD 2100, FDD 1800, FDD 2600, FDD 700APT, TDD TD 3500 -
Wireless Interface IEEE 802.11a/b/g/n/ac, IEEE 802.11a/b/g/n/ac/ax IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 5.1 Bluetooth 5.0
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Modem Snapdragon X55 5G -
Messaging Services SMS, MMS SMS, MMS
MEDIA OnePlus 8 OPPO A9 2020
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, SBC, apt-X HD, EAC3-JOC, AC-4 -
Supported Digital Video Standards MKV, FLV, AVI, MOV, WMV, 3GP, TS, WebM, H.265 HEVC, MP4 -
Sound Enhancements Qualcomm aptX audio, Qualcomm aptX HD audio, Dolby Atmos Surround Sound Dolby Atmos sound technology, Hi-Res audio
FEATURES OnePlus 8 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, ambient light sensor, proximity sensor, digital compass, gyro sensor Accelerometer, ambient light sensor, proximity sensor, gyro sensor, geomagnetic sensor
Security Devices Fingerprint reader (under display), face recognition Face recognition
Additional Phone Features Face Unlock, Noise Cancellation Technology, MIMO technology, Alert Slider Multitasking, Game Boost 2.0
OTHERS OnePlus 8 OPPO A9 2020
Included Accessories SIM card removal tool, sticker, screen protector, USB-C cable, protective case, Warp Charge 30 power adapter Headphones, power adapter, SIM card removal tool, cover, USB-C cable, screen protector (pre-applied)
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