OPPO Reno 5G vs. Samsung Galaxy M31s

Phone Comparison, Reviews and Tests

In depth comparison and review of OPPO Reno 5G and Samsung Galaxy M31s. 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 Reno 5G vs. Samsung Galaxy M31s Comparison Chart
DESIGN AND DIMENSIONS OPPO Reno 5G Samsung Galaxy M31s
Product Type Smartphone Smartphone
Manufacturer Model Number - SM-M317F/DSN
Form Factor Touch Touch
Height 162 mm 159.3 mm OPPO Reno 5G has greater height than Samsung Galaxy M31s.
Width 77.2 mm 74.4 mm OPPO Reno 5G has greater width than Samsung Galaxy M31s.
Depth 9.3 mm 9.3 mm Both phones are the same depth.
Weight 215 g 203 g Samsung Galaxy M31s is lighter than OPPO Reno 5G.
Body Colour Ocean green Black
Waterproof (Water-resistant) - -
SAR Value - 1.365 W/kg (body), 0.756 W/kg (head)
Connector Type USB Type-C - 24 pin USB-C 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 Dual-SIM
DISPLAY OPPO Reno 5G Samsung Galaxy M31s
Display Type OLED display OLED display
Display Technology AMOLED Super AMOLED
Screen Size (Display Size) 6.6" 6.5" OPPO Reno 5G has larger screen size than Samsung Galaxy M31s.
Screen Resolution (Display Resolution) 2340 x 1080 pixels 2400 x 1080 pixels Samsung Galaxy M31s has better screen resolution than OPPO Reno 5G.
Display Format Full HD+ Full HD+
Pixel Density 387 ppi -
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
Display Features DCI-P3 Wide colour gamut Night mode, Edge-to-Edge screen, Infinity O display
Display Protection (Screen Protector) Corning Gorilla Glass 6 (scratch resistant glass) -
PROCESSOR OPPO Reno 5G Samsung Galaxy M31s
Processor Type (CPU) Qualcomm Snapdragon 855 -
Clock Speed - 2.3 GHz
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - OPPO Reno 5G has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 640 -
MEMORY OPPO Reno 5G Samsung Galaxy M31s
RAM 8 GB 6 GB OPPO Reno 5G has more RAM than Samsung Galaxy M31s.
Internal Memory Size (Storage Capacity) 256 GB 128 GB OPPO Reno 5G has more internal memory than Samsung Galaxy M31s.
User Memory - 106.5 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 256 GB microSDHC, microSD, microSDXC - up to 512 GB
CAMERA OPPO Reno 5G Samsung Galaxy M31s
MAIN CAMERA
Number of Main Cameras 3 4
Sensor Resolution 48 Megapixel 64 Megapixel Samsung Galaxy M31s has better camera resolution than OPPO Reno 5G.
Sensor Size 1/2" -
Sensor Name Sony Exmor RS IMX586 sensor -
Lens Aperture F/1.7 F/1.8 OPPO Reno 5G has better lens aperture than OPPO Reno 5G.
Lens Construction 6-element -
Field of View (FoV) - 81 degree(s)
Pixel Size 0.8 μm -
Optical Image Stabiliser (OIS) Dual OIS (Optical Image Stabilisation) - OPPO Reno 5G has optical stabilisation.
Focus Adjustment Automatic Automatic
Digital Zoom - 10x
Special Effects HDR -
Camera Modes Time-lapse mode, night mode, Expert Mode, AI Portait, Pano mode, Dazzle Colour Mode Slow motion video, Bokeh Mode, Live Focus mode
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, 1280 x 720 (720p) at 60 fps, 3840 x 2160 (4K) at 60 fps Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 480 fps
Camera Features (Functions) Noise reduction, Phase Detect Auto-Focus (PDAF), 10x Hybrid Zoom Background blur
SECOND CAMERA
Sensor Resolution (2nd Camera) 8 Megapixel 12 Megapixel Samsung Galaxy M31s has better second camera resolution than OPPO Reno 5G.
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) F/2.2 F/2.2 Both phones have the same second camera lens aperture.
Field of View (2nd Camera) - 123 degree(s)
THIRD CAMERA
Sensor Resolution (3rd Camera) 13 Megapixel 5 Megapixel OPPO Reno 5G has higher resolution third camera than Samsung Galaxy M31s.
Lens Aperture (3rd Camera) F/3.0 F/2.4 Samsung Galaxy M31s has better third camera lens aperture than OPPO Reno 5G.
Camera Functions (3rd Camera) - Depth camera
FOURTH CAMERA
Sensor Resolution (4th Camera) - 5 Megapixel
Lens Aperture (4th Camera) - F/2.4
Camera Functions (4th Camera) - Macro camera
FRONT CAMERA
Number of Front Cameras 1 1
Front Camera Design Pop-up -
Sensor Resolution (Front) 16 Megapixel 32 Megapixel Samsung Galaxy M31s has better front camera resolution than OPPO Reno 5G.
Lens Aperture (Front) F/2.0 F/2.2 OPPO Reno 5G has better front lens aperture than OPPO Reno 5G.
Lens Element Qty (Front) 5-element -
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 -
Camera Features (Front) - Live Focus
BATTERY AND CHARGING OPPO Reno 5G Samsung Galaxy M31s
Battery Capacity (Battery Size) 4065 mAh 6000 mAh Samsung Galaxy M31s has larger battery capacity than OPPO Reno 5G.
Fast Charging Technology VOOC Flash Charge technology Samsung Super Fast Charging Both phones have fast charging technology.
Talk Time - 3060 minutes
Run Time Details - Active online usage (LTE): up to 22 hrs
Active online usage (Wi-Fi): up to 22 hrs
Playback (video): up to 27 hrs
Playback (audio): up to 125 hrs
Talk (4G): up to 3060 min
Battery Technology Lithium Ion -
CELLULAR OPPO Reno 5G Samsung Galaxy M31s
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 5G 4G OPPO Reno 5G has more advanced generation mobile network.
Operating System ColorOS 6 (based on Android 9) -
User Interface - One UI
Navigation GPS GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS OPPO Reno 5G Samsung Galaxy M31s
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, 5G NR FR1 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 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 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 12, Band 17, Band 20, Band 26, Band 28, Band 38, 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 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 700a, FDD 700b, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3
Wireless Interface Wi-Fi 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 -
MEDIA OPPO Reno 5G Samsung Galaxy M31s
Supported Digital Audio Standards - WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID
Supported Digital Video Standards - MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4
Sound Enhancements Dolby Atmos sound technology -
FEATURES OPPO Reno 5G Samsung Galaxy M31s
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, gyro sensor, geomagnetic sensor Accelerometer, ambient light sensor, proximity sensor, gyro sensor, geomagnetic sensor
Security Devices Fingerprint reader (under display) Face recognition, fingerprint reader
Additional Phone Features Protective O-Dot, Game Boost 2.0 Samsung KNOX, Game Booster, Samsung Smart Switch, Virtual Light Sensing
OTHERS OPPO Reno 5G Samsung Galaxy M31s
Included Accessories Headphones, power adapter, SIM card removal tool, USB-C cable, protective case Power adapter
Compliant Standards TUV Rheinland Low Blue Light Certification -
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