OnePlus 3 vs. Samsung Galaxy M31s

Phone Comparison, Reviews and Tests

Detailed comparison and review of OnePlus 3 and Samsung Galaxy M31s. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.

Phone Specifications Comparison

OnePlus 3 vs. Samsung Galaxy M31s Comparison Chart
DESIGN AND DIMENSIONS OnePlus 3 Samsung Galaxy M31s
Product Type Smartphone Smartphone
Manufacturer Model Number - SM-M317F/DSN
Form Factor Touch Touch
Height 152.7 mm 159.3 mm Samsung Galaxy M31s has greater height than OnePlus 3.
Width 74.7 mm 74.4 mm OnePlus 3 has greater width than Samsung Galaxy M31s.
Depth 7.4 mm 9.3 mm OnePlus 3 is narrower than OnePlus 3.
Weight 158 g 203 g OnePlus 3 is lighter than OnePlus 3.
Body Colour - Black
Body Material Anodised aluminium -
Waterproof (Water-resistant) - -
SAR Value 0.645 W/kg (body), 0.995 W/kg (head) 1.365 W/kg (body), 0.756 W/kg (head)
Connector Type Headset jack - mini-phone 3.5mm
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 OnePlus 3 Samsung Galaxy M31s
Display Type OLED display OLED display
Display Technology Optic AMOLED Super AMOLED
Screen Size (Display Size) 5.5" 6.5" Samsung Galaxy M31s has larger screen size than OnePlus 3.
Screen Resolution (Display Resolution) 1920 x 1080 pixels 2400 x 1080 pixels Samsung Galaxy M31s has better screen resolution than OnePlus 3.
Display Format Full HD Full HD+
Pixel Density 401 ppi -
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
Display Features - Night mode, Edge-to-Edge screen, Infinity O display
Display Protection (Screen Protector) Corning Gorilla Glass 4 (scratch resistant glass) -
PROCESSOR OnePlus 3 Samsung Galaxy M31s
Processor Type (CPU) Qualcomm Snapdragon 820 -
Processor Number MSM8996 -
Clock Speed 2.15 GHz 2.3 GHz Samsung Galaxy M31s has higher clock speed than OnePlus 3.
Processor Core Qty Quad-core 8-core Samsung Galaxy M31s has higher processor core quantity than OnePlus 3.
64-bit Architecture Yes - OnePlus 3 has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 530 -
MEMORY OnePlus 3 Samsung Galaxy M31s
RAM 6 GB 6 GB Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 64 GB 128 GB Samsung Galaxy M31s has more internal memory than OnePlus 3.
User Memory - 106.5 GB
Supported Flash Memory Cards (Expandable Memory) - microSDHC, microSD, microSDXC - up to 512 GB
CAMERA OnePlus 3 Samsung Galaxy M31s
MAIN CAMERA
Number of Main Cameras 1 4
Sensor Resolution 16 Megapixel 64 Megapixel Samsung Galaxy M31s has better camera resolution than OnePlus 3.
Sensor Name Sony Exmor RS IMX298 sensor -
Lens Aperture F/2.0 F/1.8 Samsung Galaxy M31s has better lens aperture than OnePlus 3.
Field of View (FoV) - 81 degree(s)
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) - OnePlus 3 has optical stabilisation.
Focus Adjustment Automatic Automatic
Digital Zoom - 10x
Special Effects HDR -
HDR Mode Auto HDR mode -
Camera Modes Panorama Slow motion video, Bokeh Mode, Live Focus mode
Face Recognition (Face ID) Face detection - OnePlus 3 has face detection.
Light Source LED light LED flash
Video Resolutions 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 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) Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), geotagging Background blur
SECOND CAMERA
Sensor Resolution (2nd Camera) - 12 Megapixel
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) - F/2.2
Field of View (2nd Camera) - 123 degree(s)
THIRD CAMERA
Sensor Resolution (3rd Camera) - 5 Megapixel
Lens Aperture (3rd Camera) - F/2.4
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
Sensor Resolution (Front) 8 Megapixel 32 Megapixel Samsung Galaxy M31s has better front camera resolution than OnePlus 3.
Sensor Name (Front) Sony Exmor R IMX179 sensor -
Lens Aperture (Front) F/2.0 F/2.2 OnePlus 3 has better front lens aperture than OnePlus 3.
Focus Adjustment Focus free Focus free
Video Resolutions (Front) 1920 x 1080 (1080p) at 30 fps -
Camera Features (Front) - Live Focus
BATTERY AND CHARGING OnePlus 3 Samsung Galaxy M31s
Battery Capacity (Battery Size) 3000 mAh 6000 mAh Samsung Galaxy M31s has larger battery capacity than OnePlus 3.
Fast Charging Technology - Samsung Super Fast Charging Samsung Galaxy M31s has 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 OnePlus 3 Samsung Galaxy M31s
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 6.0.1) -
User Interface - One UI
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS OnePlus 3 Samsung Galaxy M31s
Data Transmission GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE FDD-LTE, TDD-LTE
2G Band - 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band - Band 1, Band 2, Band 4, Band 5, Band 8
3G UMTS Frequency - 2100, 1900, 1700, 850, 900
4G LTE Band Band 1, Band 2, Band 4, Band 5, Band 7, Band 12, Band 17, Band 30 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 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 700a, FDD 700b, FDD 2300 WCS 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 IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 4.2 Bluetooth 5.0
Bluetooth Profiles A2DP -
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA OnePlus 3 Samsung Galaxy M31s
Supported Digital Audio Standards WAV, WMA, MP3, FLAC, eAAC+ WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID
Supported Digital Video Standards XviD, MPEG-4, DivX, H.265 MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4
Sound Enhancements Dirac sound technologies -
FEATURES OnePlus 3 Samsung Galaxy M31s
Phone Functions Speakerphone, call timer, conference call, flight mode, vibrating alert Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert
Sensors Accelerometer, proximity sensor, digital compass, gyro sensor Accelerometer, ambient light sensor, proximity sensor, gyro sensor, geomagnetic sensor
Security Devices Fingerprint reader Face recognition, fingerprint reader
Additional Phone Features DLNA Certified, sharing media via DLNA Samsung KNOX, Game Booster, Samsung Smart Switch, Virtual Light Sensing
OTHERS OnePlus 3 Samsung Galaxy M31s
Included Accessories Screen protection film, USB cable, power adapter, SIM card removal tool Power adapter
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