OnePlus Nord (8GB RAM + 128GB) has better RAM than Samsung Galaxy M31s. Both have the same amount of internal memory.
| Name | Samsung Galaxy M31s | OnePlus Nord (8GB RAM + 128GB) | 
| RAM | 6 GB | 8 GB | 
|---|---|---|
| Display | 6.5 in | 6.44 in | 
| Internal Memory | 128 GB | 128 GB | 
| Battery | 6000 mAh | 4115 mAh | 
| Camera | 64 MP Quad | 48 MP Quad | 
| Price | Rs. 14999 | Rs. 27999 | 
The launch Date of the first phone is July 30, 2020 . The cost of Samsung Galaxy M31s is Rs. 14999. The launch Date of the second phone is July 21, 2020 . The cost of OnePlus Nord (8GB RAM + 128GB) is Rs. 27999.
OnePlus Nord (8GB RAM + 128GB) has screen size of 6.44 inches which falls short to Samsung Galaxy M31s's 6.5 inch screen. Samsung Galaxy M31s has Super AMOLED Screen type where as OnePlus Nord (8GB RAM + 128GB) has Screen type. Samsung's phone has display density of 407 PPI & OnePlus's phone has only 402 PPI display density. In terms of screen to body ratio, Samsung's phone has better screen to body ratio of ~ 91% than OnePlus's phone ~ 85.16%. Both mobiles have same aspect ratio of 20:9.
OnePlus Nord (8GB RAM + 128GB)'s larger 8 GB RAM is better for playing games and all with respect to Samsung Galaxy M31s's lower 6 GB RAM. and both have same Internal Memory of 128 GB.
Samsung Galaxy M31s's 64 MP Quad Rear Camera outclasses OnePlus Nord (8GB RAM + 128GB)'s 48 MP Quad Rear Camera in terms of resolution.Samsung Galaxy M31s has 32 MP Front Camera in comparison to OnePlus Nord (8GB RAM + 128GB)'s 32 MP + 8 MP Dual Front Camera.
Both the phones has Android Operating System but the first one runs on version 10.0 and the second one on 10 version.
| Name | Samsung Galaxy M31s | OnePlus Nord (8GB RAM + 128GB) | 
| General | ||
| Model | Galaxy M31s | Nord 5G | 
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM | 
| Dual Sim | Yes | Yes | 
| Sim Size | Nano+Nano SIM | Nano+Nano SIM | 
| Device Type | Smartphone | Smartphone | 
| Release Date | July 30, 2020 | July 21, 2020 | 
| Design | ||
| Dimensions | 74.4 x 159.3 x 9.3 mm | 73.3 x 158.3 x 8.2 mm | 
| Weight | 203 g | 184 g | 
| Display | ||
| Type | Color Super AMOLED Screen (16M Colors) | Color Fluid AMOLED (16M Colors) | 
| Touch | Yes | Yes | 
| Size | 6.5 inches, 1080 x 2400 pixels | 6.44 inches, 1080 x 2400 pixels, 90 Hz | 
| Aspect Ratio | 20:9 | 20:9 | 
| PPI | ~ 407 PPI | ~ 402 PPI | 
| Screen to Body Ratio | ~ 91% | ~ 85.16% | 
| Glass Type | Corning Gorilla Glass | Corning Gorilla Glass 5 | 
| Features | Corning Gorilla Glass 5 | |
| Notch | Yes, Punch Hole | Yes, Dual Punch Hole | 
| Memory | ||
| RAM | 6 GB | 8 GB | 
| Storage | 128 GB | 128 GB | 
| Storage Type | UFS 2.1 | UFS 2.1 | 
| Card Slot | Yes, upto 512 GB | No | 
| Connectivity | ||
| GPRS | Yes | Yes | 
| EDGE | Yes | Yes | 
| 3G | Yes | Yes | 
| 4G | Yes | Yes | 
| 5G | Yes | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By | 
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot | 
| Bluetooth | Yes, v5.0, A2DP, LE | Yes, v5.1, A2DP, LE, aptX HD | 
| USB | Yes, USB-C v2.0 | Yes, USB-C | 
| USB Features | USB on-the-go, USB Charging | USB Charging | 
| Extra | ||
| GPS | yes with A-GPS, Glonass, Beidou, Galileo | A-GPS, GLONASS, GALILEO, BDS, SBAS, NavIC | 
| Fingerprint Sensor | Yes, Side | Yes, In Display | 
| Face Unlock | Yes | Yes | 
| Sensors | Geomagnetic Sensor, Proximity sensor, Accelerometer, Gyro Sensor, Virtual Light Sensing, Compass | Accelerometer, Electronic Compass, Gyroscope, Ambient Light Sensor, Proximity Sensor, Sensor Core | 
| 3.5mm Headphone Jack | Yes | No | 
| NFC | Yes | |
| Camera | ||
| Rear Camera | 64 MP ƒ/1.8 (Wide Angle) 12 MP ƒ/2.2 (Ultra Wide) 5 MP ƒ/2.2 (Macro) Macro 5 MP ƒ/2.4 (Depth Sensor) | 48 MP ƒ/1.75 (Main) 8 MP ƒ/2.25 (Ultra Wide) 5 MP ƒ/2.4 (Depth Sensor) 2 MP ƒ/2.4 (Macro) Macro | 
| Camera Sensor | Sony IMX682 | Sony IMX586 | 
| OIS | Yes | |
| Auto Focus | Yes | Yes | 
| Features | Digital Zoom, Auto Flash, Face detection, Touch to focus | Optical Image Stabilization, CINE aspect ratio video recording, UltraShot HDR, Nightscape, Super macro, Portrait, Pro mode, Panorama, AI scene detection, RAW image, Filters, Quick share | 
| Video Recording | 4K @ 30 fps UHD, 1080p @ 30 fps FHD | 1080p @ 240/30/60 fps FHD, 4K @ 60 fps UHD | 
| Flash | Yes, LED | Yes, Dual LED | 
| Front Camera | 32 MP ƒ/2 (Wide Angle) | 32 MP ƒ/2.45 (Main) 8 MP ƒ/2.45 (Ultra Wide) Screen Flash | 
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30/60 fps FHD, 4K @ 30/60 fps UHD | 
| Technical | ||
| OS | Android v10.0, upgradable to v11 | Android v10, upgradable to v11 | 
| Chipset | Samsung Exynos 9611 | Qualcomm Snapdragon 765G | 
| CPU | 2.3 GHz, Octa Core Processor | 2.4 GHz, Octa Core Processor | 
| Core Details | 4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53 | 1x2.4 GHz Kryo 475 Prime & 1x2.2 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver | 
| GPU | Mali-G72 MP3 | Adreno 620 | 
| Java | No | No | 
| Browser | Yes, supports HTML5 | Yes, supports HTML5 | 
| Multimedia | ||
| Yes | Yes | |
| Music | MP3, M4A, 3GA, AAC, OGG, OGA, WAV, WMA, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA | MP3, AAC, AAC+, WMA, AMR-NB, AMR-WB, WAV, FLAC, APE, OGG, MID, M4A, IMY | 
| Video | MP4, M4V, 3GP, 3G2, WMV, ASF, AVI, FLV, MKV, WEBM | MKV, MOV, MP4, H.265(HEVC), AVI, TS, 3GP, FLV, WEBM | 
| FM Radio | Yes, with FM Recording | No | 
| Document Reader | Yes | Yes | 
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery | 
| Size | 6000 mAh, Li-Po Battery | 4115 mAh, Li-Po Battery | 
| Fast Charging | Yes, 25W Fast Charging | Yes, 30T Warp Charging | 
| Reverse Charging | Yes | |
| Talk Time | 51 hours | |
| Music Playback Time | 125 hours | |