Oppo F31 5G vs Samsung Galaxy S21 FE (Snapdragon + 8GB RAM + 128GB)
Quick Comparison
Both Oppo F31 5G and Samsung Galaxy S21 FE (Snapdragon + 8GB RAM + 128GB) comes with same RAM. In terms of display resolution, Oppo F31 5G has better resolution of 2412 x 1080 than Samsung Galaxy S21 FE (Snapdragon + 8GB RAM + 128GB) which has resolution of 2340 x 1080. Both have the same amount of internal memory.
| Name | Oppo F31 5G | Samsung Galaxy S21 FE (Snapdragon + 8GB RAM + 128GB) |
| RAM | 8 GB | 8 GB |
|---|---|---|
| Display | 6.57 in | 6.4 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 7000 mAh | 4500 mAh |
| Camera | 50 MP + 2 MP Dual | 12 MP + 12 MP + 8 MP Triple |
| Price | Rs. 22999 | Rs. 34999 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is September 15, 2025. The cost of Oppo F31 5G is Rs. 22999. The launch Date of the second phone is july 10, 2023. The cost of Samsung Galaxy S21 FE (Snapdragon + 8GB RAM + 128GB) is Rs. 34999.
Display comparison
Oppo F31 5G has larger screen size of 6.57 inches in comparison to Samsung Galaxy S21 FE (Snapdragon + 8GB RAM + 128GB)'s 6.4 inch screen. Oppo F31 5G has AMOLED Screen type where as Samsung Galaxy S21 FE (Snapdragon + 8GB RAM + 128GB) has Screen type. Samsung's phone has display density of 411 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 ~ 85.3%. Oppo F31 5G has 20:9 aspect ratio where as Samsung Galaxy S21 FE (Snapdragon + 8GB RAM + 128GB) has 19.5:9 aspect ratio.
Memory comparison
Both phones come with 8 GB RAM and both have same Internal Memory of 128 GB.
Camera comparison
Oppo F31 5G's 50 MP + 2 MP Dual Rear Camera outshines Samsung Galaxy S21 FE (Snapdragon + 8GB RAM + 128GB)'s 12 MP + 12 MP + 8 MP Triple Rear Camera in terms of resolution. Samsung Galaxy S21 FE (Snapdragon + 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 15 and the second one on 13 version.
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Full Comparison
| Name | Oppo F31 5G | Samsung Galaxy S21 FE (Snapdragon + 8GB RAM + 128GB) |
| General | ||
| Country of Origin | India | |
| Model | CPH2781 | Galaxy S21 FE 5G |
| Sim Type | Dual Sim, GSM+GSM (Hybrid Slot) | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | September 15, 2025 | july 10, 2023 |
| In The Box | Handset, Charger, USB Data Cable, Sim Ejector Tool, Quick Guide, Protective Case | |
| Design | ||
| Dimensions | 74.5 x 155.7 x 7.9 mm | |
| Weight | 177 g | |
| Colors | Navy, Olive, Graphite, Lavender, White | |
| Display | ||
| Type | Color AMOLED Screen (16M Colors) | Color Dynamic AMOLED 2X (16M Colors) |
| Touch | Yes, 360 Hz Touch Sampling Rate | Yes |
| Size | 6.57 inches, 1080 x 2412 pixels, 120 Hz | 6.4 inches, 1080 x 2340 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 19.5:9 |
| PPI | ~ 402 PPI | ~ 411 PPI |
| Screen to Body Ratio | ~ 92.2% | ~ 85.3% |
| Glass Type | AGC DT-Star D+ | Corning Gorilla Glass Victus |
| Features | Intelligent Eye Comfort Shield, Smooth Scrolling | |
| 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 2.2 | |
| Card Slot | Yes, (Hybrid Slot) | No |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | n1/n3/n5/n7/n8/n20/n28A/n28B/n66/n38/n40/n41/n77/n78 | FDD Sub6: N1(2100), N3(1800), N5(850), N7(2600), N8(900), N20(800), N28(700), N66(AWS-3), TDD Sub6: N38(2600), N40(2300), N41(2500), N78(3500) |
| 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 | 802.11 a/b/g/n/ac/ax 2.4G+5GHz |
| Bluetooth | Yes, v5.4, Support SBC, AAC, aptX, aptX HD, LDAC, LHDC | Yes, v5.0, A2DP, LE |
| USB | Yes, USB-C v2.0 | Yes, USB-C v3.2 |
| USB Features | USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging |
| IR Blaster | Yes | |
| Extra | ||
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO, QZSS | Yes, with GPS, Glonass, Beidou, Galileo, QZSS |
| Fingerprint Sensor | Yes, Side | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Geomagnetic Induction, Ambient Light Induction, Proximity Sensor, Acceleration Sensor, Gravity Sensor, Gyroscope, Infrared Sensor, Step Recording Function, Facial Recognition Sensor | Accelerometer, Gyro, Proximity, Compass, Barometer |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | |
| 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 | Yes, 1.5 m upto 30 min |
| IP Rating | IP69+IP68+IP66 | IP68 |
| Dust Resistant | Yes | Yes |
| Extra Features | 4300 mm² VC cooling system | |
| Camera | ||
| Rear Camera | 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 | 12 MP ƒ/1.8 (Wide Angle) 8 MP ƒ/2.4 (Telephoto) 12 MP ƒ/2.2 (Ultra Wide) |
| OIS | Yes | |
| Auto Focus | Yes | Yes |
| Features | Auto-HDR, Panorama | |
| Video Recording | 1080p @ 30 fps FHD, 720p | 4K @ 60 fps UHD, 1080p, 720p |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 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 | 32 MP ƒ/2.2 (Wide Angle) Punch Hole, Screen Flash |
| Front Video Recording | 1080p @ 30 fps FHD | 4K, 1080p |
| Technical | ||
| OS | Android v15 | Android v13 |
| Custom UI | ColorOS 15 | |
| Chipset | Mediatek Dimensity 6300 | Qualcomm Snapdragon 888 |
| CPU | 2.4 GHz, Octa Core Processor | 2.84 GHz, Octa Core Processor |
| Core Details | 2X Arm Cortex-A76@2.4GHz & 6X Arm Cortex-A55@2.0GHz | 1x2.84 GHz Kryo 680 (Cortex X1) + 3x2.42 GHz Kryo 680 (Cortex A78) + 4x1.8 GHz Kryo 680 (Cortex A55) |
| GPU | Arm Mali-G57 MC2 | Adreno 660 |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | Yes |
| Video | Yes | Yes |
| FM Radio | No | Yes |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 7000 mAh | 4500 mAh, Li-Po Battery |
| Fast Charging | Yes, 80W SUPERVOOC Charging | Yes, 25W Fast Charging |
| Wireless Charging | Yes, 15W | |
| Reverse Charging | Yes | Yes |