OPPO A9 2020 vs. Samsung Galaxy Z Flip4

Phone Comparison, Reviews and Tests

In depth comparison and review of OPPO A9 2020 and Samsung Galaxy Z Flip4. 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

OPPO A9 2020 vs. Samsung Galaxy Z Flip4 Comparison Chart
DESIGN AND DIMENSIONS OPPO A9 2020 Samsung Galaxy Z Flip4
Product Type Smartphone Smartphone
Manufacturer Model Number CPH1941 SM-F721B
Form Factor Touch Folder (flip) - touch screen, dual screen
Height 163.6 mm 165.2 mm Samsung Galaxy Z Flip4 has greater height than OPPO A9 2020.
Width 75.6 mm 71.9 mm OPPO A9 2020 has greater width than Samsung Galaxy Z Flip4.
Depth 9.1 mm 6.9 mm Samsung Galaxy Z Flip4 is narrower than OPPO A9 2020.
Weight 195 g 187 g Samsung Galaxy Z Flip4 is lighter than OPPO A9 2020.
Dimensions Details - Unfolded - 71.9 mm x 6.9 mm x 165.2 mm
Folded - 71.9 mm x 17.1 mm x 84.9 mm
Body Colour Marine green | Space purple Blue | Bora purple | Pink gold | Graphite
Body Material 3D glass Corning Gorilla Glass Victus, Armour Aluminium frame
Protection - Water-resistant
Waterproof (Water-resistant) - Yes Samsung Galaxy Z Flip4 is waterproof.
IP rating - IPX8
SAR Value 0.976 W/kg (body), 0.847 W/kg (head), 2.118 W/kg (limb) 2.75 W/kg (limb), 1.151 W/kg (head), 1.198 W/kg (body)
Connector Type USB Type-C - 24 pin USB-C
Handset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
SIM Card Type (Size) Nano SIM Nano SIM, Electronic SIM card (e-SIM)
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY OPPO A9 2020 Samsung Galaxy Z Flip4
Display Type LCD display OLED display
Display Technology TFT Dynamic AMOLED 2X
Foldable Display - Yes
Display Design - Inward folding
Screen Size (Display Size) 6.5" 6.7" Samsung Galaxy Z Flip4 has larger screen size than OPPO A9 2020.
Screen Resolution (Display Resolution) 1600 x 720 pixels 2640 x 1080 pixels Samsung Galaxy Z Flip4 has better screen resolution than OPPO A9 2020.
Display Format - Full HD+
Pixel Density 269 ppi 425 ppi Samsung Galaxy Z Flip4 has better pixel density than OPPO A9 2020.
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 Samsung Galaxy Z Flip4 has HDR.
HDR Technology - HDR10+
Display Enhancement Technology Blue light filter -
Display Refresh Rate - 120 Hz
Display Features In-Cell Display Technology, Sunlight screen AOD(Always On Display), Video Wallpaper
Display Protection (Screen Protector) - Samsung Ultra Thin Glass
SECOND DISPLAY
Second Display Type - OLED display - colour
Second Display Screen Size - 1.9"
Second Display Resolution - 512 x 260 pixels
Second Display Colour Depth - 16.7 million colours
UNFOLDED DISPLAY
Unfolded Display Screen Size - 6.7 in
Unfolded Display Resolution - 2640 x 1080 pixels
PROCESSOR OPPO A9 2020 Samsung Galaxy Z Flip4
Processor Type (CPU) Qualcomm Snapdragon 665 -
Clock Speed - 3.18 GHz
Processor Core Qty - 8-core
Graphics System (GPU) Qualcomm ADRENO 610 -
MEMORY OPPO A9 2020 Samsung Galaxy Z Flip4
RAM LPDDR4X SDRAM - 4 GB 8 GB Samsung Galaxy Z Flip4 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 - 99.8 GB
Memory Interface UFS 2.1 UFS 3.1
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 256 GB -
CAMERA OPPO A9 2020 Samsung Galaxy Z Flip4
MAIN CAMERA
Number of Main Cameras 4 2
Sensor Resolution 48 Megapixel 12 Megapixel OPPO A9 2020 has better camera resolution than Samsung Galaxy Z Flip4.
Sensor Size 1/2.25" -
Sensor Type CMOS -
Lens Type - Wide-angle lens
Lens Aperture F/1.8 F/1.8 Both phones have the same camera lens aperture.
Field of View (FoV) - 83 degree(s)
Pixel Size 0.8 μm 1.8 μm Samsung Galaxy Z Flip4 has larger camera pixel size than OPPO A9 2020.
Optical Image Stabiliser (OIS) - Optical Image Stabiliser (OIS) Samsung Galaxy Z Flip4 has optical stabilisation.
Focus Adjustment Automatic Automatic
Digital Zoom - 10x
Self-Timer Delay - Yes
Special Effects - HDR, Grid Line
Camera Modes Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Expert Mode, Portrait, Night, Ultra Night Mode 2.0 Panorama, Slow motion mode, Pro mode, HYPERLAPSE, Quick Shot, Super Slow-mo, Flowers, Greenery, Trees, Sky, Beaches, Watersides, Snow, Backlit, Text, Food, Face, Baby, Person, Dog, Cat, People, Sunset, Sunrise, City, Waterfall, Scenery, Stage, Vehicles, Drinks, Animal, Shoes, Indoor, Clothes, Night view, Portrait, Night, Mountain, Filter mode, Single Take, Pro Video, Portrait video, Director's View
Light Source LED flash High CRI LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps 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, Hyperlapse 4K video support at 30 fps, Super Steady 1080p video support at 30 fps
Camera Features (Functions) Electronic Image Stabiliser (EIS) Playback zoom, Motion photo, QR-code scanner, RAW image capture, VDIS (Video Digital Image Stabilisation), Tracking AF, Video location tags, Dual Pixel Autofocus technology, AR sticker, Scene Optimiser, Flaw detection, Shot suggestions, AR Emoji, HDR10+ recording, Super steady, HEIF image capture, AR Doodle, Microphone Control, HEVC (High Efficiency Video coding), Dual preview, Auto framing, Corning Gorilla Glass DX (protective lens glass), Auto FPS, AR Emoji Studio, Deco PIC, FlexCam
SECOND CAMERA
Sensor Resolution (2nd Camera) 8 Megapixel 12 Megapixel Samsung Galaxy Z Flip4 has better second camera resolution than OPPO A9 2020.
Sensor Size (2nd Camera) 1/4.0" -
Lens Type (2nd Camera) Ultra wide-angle lens Ultra wide-angle lens
Lens Aperture (2nd Camera) F/2.25 F/2.2 Samsung Galaxy Z Flip4 has better second camera lens aperture than OPPO A9 2020.
Field of View (2nd Camera) 119 degree(s) 123 degree(s) Samsung Galaxy Z Flip4 has larger second camera lens field of view than OPPO A9 2020.
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 10 Megapixel OPPO A9 2020 has better front camera resolution than Samsung Galaxy Z Flip4.
Sensor Size (Front) 1/3.1" -
Lens Aperture (Front) F/2.0 F/2.4 OPPO A9 2020 has better front lens aperture than OPPO A9 2020.
Field of View (Front) - 80 degree(s)
Pixel Size (Front) 1 μm 1.22 μm Samsung Galaxy Z Flip4 has larger front camera pixel size than OPPO A9 2020.
Focus Adjustment - Focus free
Camera Modes (Front) AI Beauty -
Video Resolutions (Front) 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps -
BATTERY AND CHARGING OPPO A9 2020 Samsung Galaxy Z Flip4
Battery Capacity (Battery Size) 5000 mAh 3700 mAh OPPO A9 2020 has larger battery capacity than Samsung Galaxy Z Flip4.
Fast Charging Technology - Qualcomm Quick Charge 2.0, Adaptive Fast Charging Samsung Galaxy Z Flip4 has fast charging technology.
Wireless Charging - Yes Samsung Galaxy Z Flip4 can be charged wirelessly.
Wireless Charging Standards - WPC, Qi, Fast Wireless Charging 2.0, Wireless PowerShare, Reverse wireless charging
Standby Time 450 hours -
Talk Time 2700 minutes 2040 minutes OPPO A9 2020 has longer battery life when making calls than Samsung Galaxy Z Flip4.
Run Time Details Standby: up to 450 hrs
Talk: up to 2700 min
Talk (4G): up to 2040 min
Active online usage (LTE): up to 16 hrs
Active online usage (Wi-Fi): up to 16 hrs
Playback (wireless video): up to 19 hrs
Playback (wireless audio): up to 56 hrs
CELLULAR OPPO A9 2020 Samsung Galaxy Z Flip4
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G Samsung Galaxy Z Flip4 has more advanced generation mobile network.
Operating System ColorOS 6.0.1 (based on Android 9) Android 12
User Interface - One UI
Intelligent Assistant - Bixby
Payment Technology - Samsung Pay
Navigation GPS, A-GPS, GLONASS, BeiDou, Galileo GPS, GLONASS, BeiDou, Galileo, QZSS
COMMUNICATIONS OPPO A9 2020 Samsung Galaxy Z Flip4
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE FDD-LTE, TDD-LTE, LAA, 5G NR FR1
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 6, Band 8, Band 19 Band 1, Band 2, Band 4, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 800, 900, 800 2100, 1900, 1700, 850, 900
4G LTE Band 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 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
4G LTE Frequency 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 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
5G NR Band - N1, n2, n3, n5, n7, n8, n20, n28, n38, n41, n66, n75, n77, n78, n40, n25, n12
5G NR Frequency - FDD 2100, FDD 1900PCS, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, SDL DL 1500+, TDD TD 3700, TDD TD 3500, TDD 2300, FDD 1900, n12
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac/ax
Bluetooth Bluetooth 5.0 Bluetooth 5.2 LE
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA OPPO A9 2020 Samsung Galaxy Z Flip4
Supported Digital Audio Standards - WAV, AAC, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID, DSD64, DSD128
Supported Digital Video Standards - MKV, FLV, AVI, 3GP, M4V, WebM, 3G2, MP4
Sound Enhancements Dolby Atmos sound technology, Hi-Res audio Dolby Digital Plus sound, Dolby Atmos sound technology, Dolby Digital sound
FEATURES OPPO A9 2020 Samsung Galaxy Z Flip4
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert -
Sensors Accelerometer, ambient light sensor, proximity sensor, gyro sensor, geomagnetic sensor Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, geomagnetic sensor, light sensor
Security Devices Face recognition Face recognition, fingerprint reader (side)
Additional Phone Features Multitasking, Game Boost 2.0 MIMO technology, Samsung KNOX, High AOP Mic, Bixby Vision, Secure Folder function, TalkBack, Dual Audio, Bixby Routines, Intelligent Performance Enhancer, Samsung Smart Switch, Flex mode
OTHERS OPPO A9 2020 Samsung Galaxy Z Flip4
Included Accessories Headphones, power adapter, SIM card removal tool, cover, USB-C cable, screen protector (pre-applied) SIM card removal tool, USB-C cable
Compliant Standards - VDE, IPX8
Max Depth of Water Resistance - 1.5 m
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