OPPO R9s Plus vs. ASUS Zenfone 8

Phone Comparison, Reviews and Tests

In depth comparison and review of OPPO R9s Plus and ASUS Zenfone 8. 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 R9s Plus vs. ASUS Zenfone 8 Comparison Chart
DESIGN AND DIMENSIONS OPPO R9s Plus ASUS Zenfone 8
Product Type Smartphone Smartphone
Manufacturer Model Number - ZS590KS
Form Factor Touch Touch
Height 163.63 mm 148 mm OPPO R9s Plus has greater height than ASUS Zenfone 8.
Width 80.8 mm 68.5 mm OPPO R9s Plus has greater width than ASUS Zenfone 8.
Depth 7.35 mm 8.9 mm OPPO R9s Plus is narrower than OPPO R9s Plus.
Weight 185 g 169 g ASUS Zenfone 8 is lighter than OPPO R9s Plus.
Body Colour Black Obsidian black
Protection - Drop-proof, water-resistant, dust-resistant
Waterproof (Water-resistant) - Yes ASUS Zenfone 8 is waterproof.
IP rating - IP68, IP65
SAR Value - 1.582 W/kg (body), 1.412 W/kg (head), 3.498 W/kg (limb)
Integrated Components - FM radio
Connector Type Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM (SIM1 and SIM2/MicroSD slots) Dual-SIM
SIM Card Configuration Details Nano SIM + nano SIM/microSD -
DISPLAY OPPO R9s Plus ASUS Zenfone 8
Display Type LCD display OLED display
Display Technology IPS AMOLED
Screen Size (Display Size) 6" 5.9" OPPO R9s Plus has larger screen size than ASUS Zenfone 8.
Screen Resolution (Display Resolution) 1920 x 1080 pixels 2400 x 1080 pixels ASUS Zenfone 8 has better screen resolution than OPPO R9s Plus.
Display Format Full HD Full HD+
Aspect Ratio - 20:9
Max Brightness - 1100 cd/m²
HDR - Yes ASUS Zenfone 8 has HDR.
HDR Technology - HDR10+
Display Enhancement Technology - DC Dimming
Display Refresh Rate - 120 Hz
Touch Sampling Rate - 240 Hz
Display Features - Always-on display, Glove Touch, Delta-E < 1, 107% NTSC, 151.9% sRGB, 112% DCI-P3
Display Protection (Screen Protector) 2.5D Arc Glass, Corning Gorilla Glass 5 (scratch resistant glass) Corning Gorilla Glass Victus (scratch resistant glass)
PROCESSOR OPPO R9s Plus ASUS Zenfone 8
Processor Type (CPU) Qualcomm Snapdragon 653 Qualcomm Snapdragon 888 5G
Clock Speed 1.95 GHz 2.842 GHz ASUS Zenfone 8 has higher clock speed than OPPO R9s Plus.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - OPPO R9s Plus has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 510 Qualcomm ADRENO 660
MEMORY OPPO R9s Plus ASUS Zenfone 8
RAM 6 GB LPDDR5 SDRAM - 8 GB ASUS Zenfone 8 has more RAM than OPPO R9s Plus.
Internal Memory Size (Storage Capacity) 64 GB 128 GB ASUS Zenfone 8 has more internal memory than OPPO R9s Plus.
Memory Interface - UFS 3.1
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 256 GB -
CAMERA OPPO R9s Plus ASUS Zenfone 8
MAIN CAMERA
Number of Main Cameras 1 2
Sensor Resolution 16 Megapixel 64 Megapixel ASUS Zenfone 8 has better camera resolution than OPPO R9s Plus.
Sensor Size 1/2.8" 1/1.7" OPPO R9s Plus has better camera sensor size than ASUS Zenfone 8.
Sensor Name Sony Exmor RS IMX398 sensor Sony Exmor RS IMX686 sensor
Lens Type - Wide-angle lens
Lens Aperture F/1.7 F/1.8 OPPO R9s Plus has better lens aperture than OPPO R9s Plus.
Field of View (FoV) - 78.3 degree(s)
Pixel Size - 1.6 μm
Optical Image Stabiliser (OIS) - Optical Image Stabiliser (OIS) ASUS Zenfone 8 has optical stabilisation.
Focus Adjustment Automatic -
Minimum Focal Length (Focal Distance) - 26.6 mm
Special Effects HDR -
Camera Modes Panorama, tap to focus Slow motion video, Time-lapse mode, Pro mode
Face Recognition (Face ID) Face detection - OPPO R9s Plus has face detection.
Light Source LED light LED flash
Video Resolutions 1920 x 1080 (1080p) 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, Slo-mo video 1920 x 1080 (1080p) at 240 fps, Slo-mo video 1280 x 720 (720p) at 480 fps, 7680 x 4320 (8K) at 24 fps, Slo-mo video 3840 x 2160 (4K) at 120 fps
Camera Features (Functions) Phase Detect Auto-Focus (PDAF), Optical Image Stabiliser plus (OIS+), geotagging Phase Detect Auto-Focus (PDAF), 3-axis electronic image stabilisation, 4-axis optical image stabilisation, Motion tracking, Quad Bayer technology, 2x1 On-Chip Lens (OCL)
SECOND CAMERA
Sensor Resolution (2nd Camera) - 12 Megapixel
Sensor Size (2nd Camera) - 1/2.55"
Sensor Name (2nd Camera) - Sony Exmor RS IMX363 sensor
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) - F/2.2
Pixel Size (2nd Camera) - 1.4 μm
Focal Length Equivalent to 35mm Camera - 14.3
Camera Features (2nd Camera) - Real-time distortion correction, 4cm macro photography, Dual Phase Detect Auto-Focus (PDAF)
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 16 Megapixel 12 Megapixel OPPO R9s Plus has better front camera resolution than ASUS Zenfone 8.
Sensor Size (Front) 1/3" -
Sensor Name (Front) - Sony Exmor RS IMX663 sensor
Lens Aperture (Front) F/2.0 F/2.4 OPPO R9s Plus has better front lens aperture than OPPO R9s Plus.
Pixel Size (Front) - 1.22 μm
Focus Adjustment - Automatic
Special Effects (Front) Beautify 4.0 -
Camera Modes (Front) - Portrait
Camera Features (Front) Self-timer Dual Pixel technology, EIS video stabilisation, Dual Phase Detect Auto-Focus (PDAF)
BATTERY AND CHARGING OPPO R9s Plus ASUS Zenfone 8
Battery Capacity (Battery Size) 4000 mAh 4000 mAh Both phones have the same battery capacity.
Fast Charging Technology - Qualcomm Quick Charge 4.0, Power Delivery 3.0 ASUS Zenfone 8 has fast charging technology.
CELLULAR OPPO R9s Plus ASUS Zenfone 8
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G ASUS Zenfone 8 has more advanced generation mobile network.
Operating System ColorOS 3.0 (based on Android 6.0.1) Android 11
User Interface - ASUS ZenUI 8.0
Navigation GPS, A-GPS GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC
COMMUNICATIONS OPPO R9s Plus ASUS Zenfone 8
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE GPRS, EDGE, HSPA+, FDD-LTE, TDD-LTE, DC-HSPA+, Gigabit LTE, 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 3, Band 4, Band 5, Band 6, Band 8, Band 19
3G UMTS Frequency - 2100, 1900, 1800, 1700, 850, 800, 900, 800
4G LTE Band Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, 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 17, Band 18, Band 19, Band 20, Band 26, Band 28, Band 34, Band 38, Band 39, Band 40, Band 41, Band 42
4G LTE Frequency FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, 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 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500
5G NR Band - N1, n2, n3, n5, n7, n8, n20, n28, n38, n77, n78, 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 3700, TDD TD 3500, n12
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac/ax
Bluetooth Bluetooth 4.1 Bluetooth 5.2 EDR
Bluetooth Profiles A2DP HFP, OPP, PAN, A2DP, AVRCP, HID
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Modem - Snapdragon X60 5G
Messaging Services SMS, MMS -
MEDIA OPPO R9s Plus ASUS Zenfone 8
Supported Digital Audio Standards WAV, MP3, FLAC, eAAC+ -
Supported Digital Video Standards MPEG-4, H.264 -
Sound Enhancements - Dirac HD Sound, ASUS Audio Wizard, Hi-Res audio certified, OZO Audio, Qualcomm aptX audio, Qualcomm aptX HD audio, Qualcomm aptX Adaptive
Audio Amplifier - Dual Cirrus Logic CS35L45
FEATURES OPPO R9s Plus ASUS Zenfone 8
Phone Functions Speakerphone, call timer, conference call, flight mode, vibrating alert -
Sensors Accelerometer, proximity sensor, digital compass, gyro sensor Accelerometer, ambient light sensor, proximity sensor, digital compass, G-sensor, gyroscope
Security Devices Fingerprint reader Fingerprint reader (under display), face recognition
Additional Phone Features - MIMO technology, AudioWizard, One Hand Mode, ARCore, Triple internal microphones with ASUS Noise Reduction Technology, Multi-Magnet Stereo Speakers
OTHERS OPPO R9s Plus ASUS Zenfone 8
Included Accessories Power adapter SIM card removal tool, USB-C to USB-C cable, protective case, power adapter (30 W)
Compliant Standards - IP68, IP65, SGS Eye Care Display Certification, SGS Seamless Pro 120Hz Certification
Max Height of Shock Resistance - 2 m
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