ASUS Zenfone 8 Flip vs. Realme C31

Phone Comparison, Reviews and Tests

In depth comparison and review of ASUS Zenfone 8 Flip and Realme C31. 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

ASUS Zenfone 8 Flip vs. Realme C31 Comparison Chart
DESIGN AND DIMENSIONS ASUS Zenfone 8 Flip Realme C31
Product Type Smartphone Smartphone
Manufacturer Model Number ZS672KS RMX3501
Form Factor Touch Touch
Height 165.04 mm 164.7 mm ASUS Zenfone 8 Flip has greater height than Realme C31.
Width 77.28 mm 76.1 mm ASUS Zenfone 8 Flip has greater width than Realme C31.
Depth 9.6 mm 8.4 mm Realme C31 is narrower than ASUS Zenfone 8 Flip.
Weight 230 g 197 g Realme C31 is lighter than ASUS Zenfone 8 Flip.
Body Colour Galactic black Light silver | Dark green
Body Material Glass -
Waterproof (Water-resistant) - -
SAR Value 1.43 W/kg (head), 1.245 W/kg (body), 3.504 W/kg (limb) 1.147 W/kg (body), 0.957 W/kg (head), 2.663 W/kg (limb)
Connector Type USB Type-C - 24 pin USB-C Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY ASUS Zenfone 8 Flip Realme C31
Display Type OLED display -
Display Technology AMOLED -
Screen Size (Display Size) 6.67" 6.5" ASUS Zenfone 8 Flip has larger screen size than Realme C31.
Screen Resolution (Display Resolution) 2400 x 1080 pixels 1600 x 720 pixels ASUS Zenfone 8 Flip has better screen resolution than Realme C31.
Display Format Full HD+ HD+
Aspect Ratio 20:9 20:9
Max Brightness 1000 cd/m² -
Colour Depth - 16.7 million colours
HDR Yes - ASUS Zenfone 8 Flip has HDR.
HDR Technology HDR10+ -
Display Enhancement Technology DC Dimming -
Display Refresh Rate 90 Hz 60 Hz ASUS Zenfone 8 Flip has better refresh rate than Realme C31.
Touch Sampling Rate - 120 Hz
Display Features ASUS Glove Touch technology, Delta-E < 1, NanoEdge display, 105% NTSC, 110% DCI-P3 Ultra-clear View
Display Protection (Screen Protector) Corning Gorilla Glass 6 (scratch resistant glass) -
PROCESSOR ASUS Zenfone 8 Flip Realme C31
Processor Type (CPU) Qualcomm Snapdragon 888 5G Unisoc
Processor Number SM8350 T612
Clock Speed 2.84 GHz 1.82 GHz ASUS Zenfone 8 Flip has higher clock speed than Realme C31.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
Graphics System (GPU) Qualcomm ADRENO 660 ARM Mali-G57
MEMORY ASUS Zenfone 8 Flip Realme C31
RAM LPDDR5 SDRAM - 8 GB LPDDR4X SDRAM - 4 GB + up to 7 GB virtual extension ASUS Zenfone 8 Flip has more RAM than Realme C31.
Internal Memory Size (Storage Capacity) 256 GB 64 GB ASUS Zenfone 8 Flip has more internal memory than Realme C31.
Memory Interface UFS 3.1 UFS 2.2
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSD, microSDXC - up to 2 TB microSDHC, microSD, microSDXC - up to 1 TB
CAMERA ASUS Zenfone 8 Flip Realme C31
MAIN CAMERA
Number of Main Cameras 3 3
Rear Camera Design Flip -
Sensor Resolution 64 Megapixel 13 Megapixel ASUS Zenfone 8 Flip has better camera resolution than Realme C31.
Sensor Size 1/1.7" -
Sensor Name Sony Exmor RS IMX686 sensor -
Lens Type Wide-angle lens -
Lens Aperture F/1.8 F/2.2 ASUS Zenfone 8 Flip has better lens aperture than ASUS Zenfone 8 Flip.
Lens Construction - 5-element
Field of View (FoV) 78.3 degree(s) -
Pixel Size 0.8 μm -
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) - ASUS Zenfone 8 Flip has optical stabilisation.
Focus Adjustment - Automatic
Minimum Focal Length (Focal Distance) 26.6 mm -
Special Effects - HDR
Camera Modes Slow motion video, Time-lapse mode, Pro mode, Auto Panorama Burst mode, Panorama, Time-lapse mode, Pro mode, Portrait, Filter mode, Macro mode, Night Pro
Light Source LED flash LED flash
Video Resolutions 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 30fps, Slo-mo video 3840 x 2160 (4K) at 120 fps 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 854 x 480 (480p) at 30 fps
Camera Features (Functions) Phase Detect Auto-Focus (PDAF), 3-axis electronic image stabilisation, Wind Noise Filter, Motion tracking, Quad Bayer technology, HyperSteady, Free Zoom, Mic Focus, 2x1 On-Chip Lens (OCL), Quick Flip Angle camera AI Triple camera
SECOND CAMERA
Sensor Resolution (2nd Camera) 12 Megapixel 2 Megapixel ASUS Zenfone 8 Flip has better second camera resolution than Realme C31.
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 F/2.4 ASUS Zenfone 8 Flip has better second camera lens aperture than ASUS Zenfone 8 Flip.
Pixel Size (2nd Camera) 1.4 μm -
Minimum Focal Length (2nd Camera) 14.3 mm -
Camera Functions (2nd Camera) - Macro camera
Camera Features (2nd Camera) Dual Pixel Phase Detect Auto-Focus (PDAF), Real-time distortion correction, Dual Pixel image sensor, 4cm macro photography 4cm macro photography
THIRD CAMERA
Sensor Resolution (3rd Camera) 8 Megapixel 0.3 Megapixel ASUS Zenfone 8 Flip has higher resolution third camera than Realme C31.
Sensor Size (3rd Camera) 1/2.55" -
Lens Type (3rd Camera) Telephoto lens -
Lens Aperture (3rd Camera) - F/2.8
Pixel Size (3rd Camera) 1.4 μm -
Optical Zoom 3x -
Digital Zoom 12x -
Camera Functions (3rd Camera) - B&W lens
Camera Features (3rd Camera) Dual Pixel image sensor -
FRONT CAMERA
Number of Front Cameras 0 1
Sensor Resolution (Front) - 5 Megapixel
Lens Aperture (Front) - F/2.2
Lens Element Qty (Front) - 3-element
Special Effects (Front) - HDR
Camera Modes (Front) - Beauty mode, Filter mode
Video Resolutions (Front) - 1280 x 720 (720p) at 30 fps, 854 x 480 (480p) at 30 fps
Camera Features (Front) - AI Selfie
BATTERY AND CHARGING ASUS Zenfone 8 Flip Realme C31
Battery Capacity (Battery Size) 5000 mAh 5000 mAh Both phones have the same battery capacity.
Fast Charging Technology Qualcomm Quick Charge 4.0, Power Delivery 3.0 - ASUS Zenfone 8 Flip has fast charging technology.
Recharge Time (Charging Time) 1.7 hours -
Battery Technology Lithium polymer -
CELLULAR ASUS Zenfone 8 Flip Realme C31
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 5G 4G ASUS Zenfone 8 Flip has more advanced generation mobile network.
Operating System Android 11 Android 11
User Interface ASUS ZenUI 8.0 Realme UI (R Edition)
Navigation GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC GPS, A-GPS, BeiDou, Galileo
COMMUNICATIONS ASUS Zenfone 8 Flip Realme C31
Data Transmission GPRS, EDGE, HSPA+, FDD-LTE, TDD-LTE, DC-HSPA+, 5G NR FR1 GPRS, EDGE, 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 3, Band 4, Band 5, Band 6, Band 8, Band 19 Band 1, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1800, 1700, 850, 800, 900, 800 2100, 850, 900
4G LTE Band 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 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 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 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, 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/ax, Wi-Fi 6E Wi-Fi
Bluetooth Bluetooth 5.2 EDR Bluetooth 5.0
Bluetooth Profiles A2DP -
NFC Yes - ASUS Zenfone 8 Flip has NFC reader for mobile payments.
Modem Snapdragon X60 5G -
MEDIA ASUS Zenfone 8 Flip Realme C31
Supported Digital Audio Standards Apt-X, apt-X HD -
Sound Enhancements Dirac HD Sound, Hi-Res audio certified, OZO Audio, Qualcomm aptX Adaptive -
Audio Amplifier Dual NXP TFA9874 -
FEATURES ASUS Zenfone 8 Flip Realme C31
Sensors Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, G-sensor, hall sensor, gyroscope Accelerometer, proximity sensor, magnetometer, gyro sensor, light sensor
Security Devices Fingerprint reader (under display), face recognition Fingerprint reader (side)
Additional Phone Features MIMO technology, Power Saving Mode, AudioWizard, Smart Key, One Hand Mode, ASUS Noise Reduction technology, ARCore, dual stereo speakers, triple noise reduction microphones, system mode MIMO technology, Ultra Power Saving Mode, Fast Charging
OTHERS ASUS Zenfone 8 Flip Realme C31
Included Accessories SIM card removal tool, USB-C to USB-C cable, protective case, power adapter (30 W) SIM card removal tool, 10W charger, micro-USB cable
Compliant Standards - TUV Rheinland
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