Oppo A31 (2020) vs Samsung Galaxy M21 2021
Quick Comparison
Both Oppo A31 (2020) and Samsung Galaxy M21 2021 comes with same RAM. In terms of display resolution, Samsung Galaxy M21 2021 has better resolution of 2340 x 1080 than Oppo A31 (2020) which has resolution of 1600 x 720. Both have the same amount of internal memory.
| Name | Oppo A31 (2020) | Samsung Galaxy M21 2021 |
| RAM | 4 GB | 4 GB |
|---|---|---|
| Display | 6.5 in | 6.4 in |
| Internal Memory | 64 GB | 64 GB |
| Battery | 4230 mAh | 6000 mAh |
| Camera | 12 MP + 2 MP + 2 MP Triple | 48 MP + 8 MP + 5 MP Triple |
| Price | Rs. 10490 | Rs. 9999 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is March 6, 2020. The cost of Oppo A31 (2020) is Rs. 10490. The launch Date of the second phone is July 21, 2021. The cost of Samsung Galaxy M21 2021 is Rs. 9999.
Display comparison
Samsung Galaxy M21 2021 has screen size of 6.4 inches which falls short to Oppo A31 (2020)'s 6.5 inch screen. Oppo A31 (2020) has IPS LCD Screen type where as Samsung Galaxy M21 2021 has Super AMOLED Screen type. Samsung's phone has display density of 403 PPI & OPPO's phone has only 270 PPI display density. In terms of screen to body ratio, OPPO's phone has better screen to body ratio of ~ 89% than Samsung's phone ~ 84.2%. Oppo A31 (2020) has 20:9 aspect ratio where as Samsung Galaxy M21 2021 has 19.5:9 aspect ratio.
Memory comparison
Both mobiles come with 4 GB RAM and both have same Internal Memory of 64 GB.
Camera comparison
Samsung Galaxy M21 2021's 48 MP + 8 MP + 5 MP Triple Rear Camera outclasses Oppo A31 (2020)'s 12 MP + 2 MP + 2 MP Triple Rear Camera in terms of resolution. Samsung Galaxy M21 2021 will be better choice if you're looking to click lot of selfies as it has better 20 MP Front Camera in comparison to Oppo A31 (2020)'s 8 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version v9.0 (Pie) and the second one on 11 version.
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Full Comparison
| Name | Oppo A31 (2020) | Samsung Galaxy M21 2021 |
| General | ||
| Model | A31 2020 | Galaxy M21 2021 |
| 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 | March 6, 2020 | July 21, 2021 |
| Design | ||
| Dimensions | 75.5 x 163.9 x 8.3 mm | 75.1 x 159 x 9 mm |
| Weight | 180 g | 192 g |
| Display | ||
| Type | Color IPS LCD Screen | Color Super AMOLED Screen (16M Colors) |
| Touch | Yes | Yes |
| Size | 6.5 inches, 720 x 1600 pixels | 6.4 inches, 1080 x 2340 pixels, 60 Hz |
| Aspect Ratio | 20:9 | 19.5:9 |
| PPI | ~ 270 PPI | ~ 403 PPI |
| Screen to Body Ratio | ~ 89% | ~ 84.2% |
| Glass Type | Corning Gorilla Glass 3 | |
| Features | 420 nits (peak) | |
| Notch | Yes, Water Drop Notch | Yes, Water Drop Notch |
| Memory | ||
| RAM | 4 GB | 4 GB |
| Storage | 64 GB | 64 GB |
| Card Slot | Yes, upto 256 GB | Yes, upto 512 GB |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| VoLTE | Yes | Yes |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes, v5.0 | Yes, v5.0 |
| USB | Yes, microUSB v2.0 | Yes, USB-C v2.0 |
| USB Features | USB Charging | USB on-the-go, USB Charging |
| Extra | ||
| GPS | yes with A-GPS | Yes, with A-GPS, Glonass, Beidou, Galileo |
| Fingerprint Sensor | Yes, Rear | Yes, Rear |
| Face Unlock | Yes | Yes |
| Sensors | Light sensor, Proximity sensor, Accelerometer | Accelerometer, Gyro Sensor, Geomagnetic Sensor, Proximity Sensor, Virtual Light Sensing |
| 3.5mm Headphone Jack | Yes | Yes |
| Camera | ||
| Rear Camera | 12 MP ƒ/1.8 (Main) 2 MP ƒ/2.4 (Macro) Macro 2 MP ƒ/2.4 (Depth Sensor) | 48 MP ƒ/2 (Wide Angle) 8 MP ƒ/2.2 (Ultra Wide) 5 MP ƒ/2.2 (Depth Sensor) |
| Auto Focus | Yes | Yes |
| Features | Digital Zoom, Auto Flash, Face detection, Touch to focus | Panorama, HDR |
| Video Recording | 1080p @ 30 fps FHD | 4K @ 30 fps UHD, 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 8 MP ƒ/2 (Main) | 20 MP ƒ/2 (Wide Angle) |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v9.0 (Pie) | Android v11 |
| Chipset | MediaTek Helio P35 | Samsung Exynos 9611 |
| CPU | 2.3 GHz, Octa Core Processor | 2.3 GHz, Octa Core Processor |
| Core Details | 4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53 | 4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53 |
| GPU | PowerVR GE8320 | Mali-G72 MP3 |
| Java | No | No |
| Browser | Yes | Yes, supports HTML5 |
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | MP3, M4A, 3GA, AAC, OGG, OGA, WAV, WMA, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA |
| Video | Yes | MP4, M4V, 3GP, 3G2, WMV, ASF, AVI, FLV, MKV, WEBM |
| FM Radio | Yes | Yes |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 4230 mAh, Li-ion Battery | 6000 mAh, Li-Po Battery |
| Fast Charging | Yes, 15W Fast Charging | |
| Talk Time | 49 hours | |
| Music Playback Time | 131 hours | |