OnePlus 7 vs. OPPO A9 2020

Phone Comparison, Reviews and Tests

In depth comparison and review of OnePlus 7 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 7 vs. OPPO A9 2020 Comparison Chart
DESIGN AND DIMENSIONS OnePlus 7 OPPO A9 2020
Product Type Smartphone Smartphone
Manufacturer Model Number - CPH1941
Form Factor Touch Touch
Height 157.7 mm 163.6 mm OPPO A9 2020 has greater height than OnePlus 7.
Width 74.8 mm 75.6 mm OPPO A9 2020 has greater width than OnePlus 7.
Depth 8.2 mm 9.1 mm OnePlus 7 is narrower than OnePlus 7.
Weight 182 g 195 g OnePlus 7 is lighter than OnePlus 7.
Body Colour Mirror grey Marine green | Space purple
Body Material 3D glass 3D glass
Waterproof (Water-resistant) - -
SAR Value - 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 7 OPPO A9 2020
Display Type OLED display LCD display
Display Technology Optic AMOLED TFT
Screen Size (Display Size) 6.41" 6.5" OPPO A9 2020 has larger screen size than OnePlus 7.
Screen Resolution (Display Resolution) 2340 x 1080 pixels 1600 x 720 pixels OnePlus 7 has better screen resolution than OPPO A9 2020.
Pixel Density 402 ppi 269 ppi OnePlus 7 has better pixel density than OPPO A9 2020.
Aspect Ratio 19.5:9 -
Max Brightness - 480 cd/m²
Colour Depth - 16.7 million colours
Contrast Ratio - 1500:1
Display Enhancement Technology - Blue light filter
Display Features 2.5D Glass, Reading mode, night mode, DCI-P3 Wide colour gamut, Video Enhancer In-Cell Display Technology, Sunlight screen
Display Protection (Screen Protector) Corning Gorilla Glass (scratch resistant glass) -
PROCESSOR OnePlus 7 OPPO A9 2020
Processor Type (CPU) Snapdragon 855 Qualcomm Snapdragon 665
Clock Speed 2.84 GHz -
Processor Core Qty 8-core -
64-bit Architecture Yes - OnePlus 7 has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 640 Qualcomm ADRENO 610
MEMORY OnePlus 7 OPPO A9 2020
RAM LPDDR4X SDRAM - 6 GB LPDDR4X SDRAM - 4 GB OnePlus 7 has more RAM than OPPO A9 2020.
Internal Memory Size (Storage Capacity) 128 GB 128 GB Both phones have the same internal memory capacity.
Memory Interface UFS 3.0 UFS 2.1
Supported Flash Memory Cards (Expandable Memory) - microSDHC, microSDXC - up to 256 GB
CAMERA OnePlus 7 OPPO A9 2020
MAIN CAMERA
Number of Main Cameras 2 4
Sensor Resolution 48 Megapixel 48 Megapixel Both phones have the same camera resolution.
Sensor Size - 1/2.25"
Sensor Type - CMOS
Sensor Name Sony Exmor RS IMX586 sensor -
Lens Aperture F/1.7 F/1.8 OnePlus 7 has better lens aperture than OnePlus 7.
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 7 has optical stabilisation.
Focus Adjustment Automatic Automatic
Special Effects HDR -
Camera Modes Panorama, Time-lapse mode, Pro mode, night mode, Portrait Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Expert Mode, Portrait, Night, Ultra Night Mode 2.0
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) Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), RAW image capture, AI scene detection, AI studio lighting Electronic Image Stabiliser (EIS)
SECOND CAMERA
Sensor Resolution (2nd Camera) 5 Megapixel 8 Megapixel OPPO A9 2020 has better second camera resolution than OnePlus 7.
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 7.
Field of View (2nd Camera) - 119 degree(s)
Pixel Size (2nd Camera) 1.12 μm 1.12 μm Both phones have the same second camera pixel size.
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) 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/2.0 F/2.0 Both phones have the same front camera lens aperture.
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
Face Recognition (Face ID) Face recognition - OnePlus 7 has face detection.
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 7 OPPO A9 2020
Battery Capacity (Battery Size) 3700 mAh 5000 mAh OPPO A9 2020 has larger battery capacity than OnePlus 7.
Standby Time - 450 hours
Talk Time - 2700 minutes
Run Time Details - Standby: up to 450 hrs
Talk: up to 2700 min
CELLULAR OnePlus 7 OPPO A9 2020
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 OxygenOS (based on Android Pie) ColorOS 6.0.1 (based on Android 9)
Navigation GPS, A-GPS, GLONASS, BeiDou, Galileo, SBAS GPS, A-GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS OnePlus 7 OPPO A9 2020
Data Transmission GPRS, EDGE, EV-DO, 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, 800 CDMA2000 1X 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 29, Band 32, Band 34, 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 700d, FDD 1500 L, TDD 2000, 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 IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 5.0 Bluetooth 5.0
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA OnePlus 7 OPPO A9 2020
Supported Digital Audio Standards WAV, WMA, AAC, MP3, FLAC, AC-3, AAC +, OGG, APE (Monkey's Audio), M4A, IMY, EAC3, MID, AMR-WB, AMR-NB -
Supported Digital Video Standards MKV, FLV, AVI, MOV, WMV, 3GP, TS, WebM, H.265 HEVC, MP4 -
Sound Enhancements Dolby Atmos sound technology Dolby Atmos sound technology, Hi-Res audio
FEATURES OnePlus 7 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, Fast Charging, AI Engine Multitasking, Game Boost 2.0
OTHERS OnePlus 7 OPPO A9 2020
Included Accessories Power adapter, SIM card removal tool, sticker, USB-C cable, screen protector (pre-applied), protective case Headphones, power adapter, SIM card removal tool, cover, USB-C cable, screen protector (pre-applied)
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