Samsung Galaxy M31s (8GB RAM +128GB) vs Oppo F31 5G
Quick Comparison
Both Samsung Galaxy M31s (8GB RAM +128GB) and Oppo F31 5G comes with same RAM. In terms of display resolution, Oppo F31 5G has better resolution of 2412 x 1080 than Samsung Galaxy M31s (8GB RAM +128GB) which has resolution of 2400 x 1080. Both have the same amount of internal memory.
| Name | Samsung Galaxy M31s (8GB RAM +128GB) | Oppo F31 5G |
| RAM | 8 GB | 8 GB |
|---|---|---|
| Display | 6.5 in | 6.57 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 6000 mAh | 7000 mAh |
| Camera | 64 MP Quad | 50 MP + 2 MP Dual |
| Price | Rs. 23999 | Rs. 26999 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is July 30, 2020 . The cost of Samsung Galaxy M31s (8GB RAM +128GB) is Rs. 23999. The launch Date of the second phone is September 15, 2025. The cost of Oppo F31 5G is Rs. 26999.
Display comparison
Samsung Galaxy M31s (8GB RAM +128GB) has screen size of 6.5 inches which falls short to Oppo F31 5G's 6.57 inch screen. Samsung Galaxy M31s (8GB RAM +128GB) has Super AMOLED Screen type where as Oppo F31 5G has AMOLED Screen type. Samsung's phone has display density of 407 PPI & OPPO's phone has only 402 PPI display density. In terms of screen to body ratio, OPPO's phone has better screen to body ratio of ~ 92.2% than Samsung's phone ~ 91%. Both phones have same aspect ratio of 20:9.
Memory comparison
Both mobiles come with 8 GB RAM and both have same Internal Memory of 128 GB.
Camera comparison
Samsung Galaxy M31s (8GB RAM +128GB)'s 64 MP Quad Rear Camera outclasses Oppo F31 5G's 50 MP + 2 MP Dual Rear Camera in terms of resolution. Samsung Galaxy M31s (8GB RAM +128GB) will be better choice if you're looking to click lot of selfies as it has better 32 MP Front Camera in comparison to Oppo F31 5G's 16 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 10.0 and the second one on 15 version.
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Full Comparison
| Name | Samsung Galaxy M31s (8GB RAM +128GB) | Oppo F31 5G |
| General | ||
| Country of Origin | India | |
| Model | Galaxy M31s | CPH2781 |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM (Hybrid Slot) |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | July 30, 2020 | September 15, 2025 |
| In The Box | Handset, Charger, USB Data Cable, Sim Ejector Tool, Quick Guide, Protective Case | |
| Design | ||
| Dimensions | 74.4 x 159.3 x 9.3 mm | |
| Weight | 203 g | |
| Display | ||
| Type | Color Super AMOLED Screen (16M Colors) | Color AMOLED Screen (16M Colors) |
| Touch | Yes | Yes, 360 Hz Touch Sampling Rate |
| Size | 6.5 inches, 1080 x 2400 pixels | 6.57 inches, 1080 x 2412 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 407 PPI | ~ 402 PPI |
| Screen to Body Ratio | ~ 91% | ~ 92.2% |
| Glass Type | Corning Gorilla Glass | AGC DT-Star D+ |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Memory | ||
| RAM | 8 GB | 8 GB |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | |
| Storage | 128 GB | 128 GB |
| Storage Type | UFS 2.1 | UFS 2.2 |
| Card Slot | Yes, upto 512 GB | Yes, (Hybrid Slot) |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | |
| 5G Bands | n1/n3/n5/n7/n8/n20/n28A/n28B/n66/n38/n40/n41/n77/n78 | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | 802.11 a/b/g/n/ac, Wi-Fi 5 (802.11 ac), 802.11 a/b/g/n, WLAN (2.4 GHz | 5 GHz), WLAN Display, WLAN Tethering, 1 x 1 SOSO | |
| Bluetooth | Yes, v5.0, A2DP, LE | Yes, v5.4, Support SBC, AAC, aptX, aptX HD, LDAC, LHDC |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB on-the-go, USB Charging | USB on-the-go, USB Charging |
| IR Blaster | Yes | |
| Extra | ||
| GPS | yes with A-GPS, Glonass, Beidou, Galileo | Yes, with A-GPS, GLONASS, BDS, GALILEO, QZSS |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Geomagnetic Sensor, Proximity sensor, Accelerometer, Gyro Sensor, Virtual Light Sensing, Compass | Geomagnetic Induction, Ambient Light Induction, Proximity Sensor, Acceleration Sensor, Gravity Sensor, Gyroscope, Infrared Sensor, Step Recording Function, Facial Recognition Sensor |
| 3.5mm Headphone Jack | Yes | No |
| AI Features | Smart Document (AI summaries, translations, rewriting), Smart Note (AI-enhanced note-taking), and high-quality scanning. Integrated Google Gemini delivers multimodal AI intelligence | |
| Water Resistance | Yes | |
| IP Rating | IP69+IP68+IP66 | |
| Dust Resistant | Yes | |
| Extra Features | 4300 mm² VC cooling system | |
| 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) | 50 MP ƒ/1.8 (Wide Angle) Sensor: OV50D40, Sensor size: 1/2.88″, Single pixel size: 0.612 um, Aperture size: f/1.8, Focal length: 27 mm, Lens configuration: 5P, Supporting AF 2 MP Sensor: GC02M1-C24YK, Sensor size: 1/5″, Single pixel size: 1.75 um, Aperture size: f/2.4, Focal length: 22 mm, Lens configuration: 3P |
| Camera Sensor | Sony IMX682 | |
| Auto Focus | Yes | Yes |
| Features | Digital Zoom, Auto Flash, Face detection, Touch to focus | |
| Video Recording | 4K @ 30 fps UHD, 1080p @ 30 fps FHD | 1080p @ 30 fps FHD, 720p |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 32 MP ƒ/2 (Wide Angle) | 16 MP (Wide Angle) Sensor size: 1/3.09″, Single pixel size: 1.0 um, Aperture size: f/2.4, Focal length: 23 mm, Lens configuration: 4P Punch Hole |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v10.0, upgradable to v11 | Android v15 |
| Custom UI | ColorOS 15 | |
| Chipset | Samsung Exynos 9611 | Mediatek Dimensity 6300 |
| 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 | 2X Arm Cortex-A76@2.4GHz & 6X Arm Cortex-A55@2.0GHz |
| GPU | Mali-G72 MP3 | Arm Mali-G57 MC2 |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | MP3, M4A, 3GA, AAC, OGG, OGA, WAV, WMA, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA | Yes |
| Video | MP4, M4V, 3GP, 3G2, WMV, ASF, AVI, FLV, MKV, WEBM | Yes |
| 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 | 7000 mAh |
| Fast Charging | Yes, 25W Fast Charging | Yes, 80W SUPERVOOC Charging |
| Reverse Charging | Yes | Yes |
| Talk Time | 51 hours | |
| Music Playback Time | 125 hours | |