OPPO A57 vs Samsung Galaxy M21
Quick Comparison
Samsung Galaxy M21 has better RAM than OPPO A57. In terms of display resolution, Samsung Galaxy M21 has better resolution of 2340 x 1080 than OPPO A57 which has resolution of 1280 x 720. Samsung Galaxy M21 has more internal memory than OPPO A57
| Name | OPPO A57 | Samsung Galaxy M21 |
| RAM | 3 GB | 4 GB |
|---|---|---|
| Display | 5.2 in | 6.4 in |
| Internal Memory | 32 GB | 64 GB |
| Battery | 2900 mAh | 6000 mAh |
| Camera | 13 MP | 48 MP + 8 MP + 5 MP Triple |
| Price | Rs. 12780 | Rs. 13990 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is November, 2016. The cost of OPPO A57 is Rs. 12780. The launch Date of the second phone is March 18, 2020. The cost of Samsung Galaxy M21 is Rs. 13990.
Display comparison
OPPO A57 has screen size of 5.2 inches which falls short to Samsung Galaxy M21's 6.4 inch screen. OPPO A57 has IPS Screen type where as Samsung Galaxy M21 has Super AMOLED Screen type. Samsung's phone has display density of 403 PPI & OPPO's phone has only 282 PPI display density. OPPO A57 has 16:9 aspect ratio where as Samsung Galaxy M21 has 19.5:9 aspect ratio.
Memory comparison
Samsung Galaxy M21's larger 4 GB RAM is better for playing games and all with respect to OPPO A57's lower 3 GB RAM. Samsung Galaxy M21 has more Internal Memory (64 GB) than OPPO A57 (32 GB).
Camera comparison
Samsung Galaxy M21's 48 MP + 8 MP + 5 MP Triple Rear Camera outclasses OPPO A57's 13 MP Rear Camera in terms of resolution. Samsung Galaxy M21 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 A57's 16 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 6.0 and the second one on 10.0 version.
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Full Comparison
| Name | OPPO A57 | Samsung Galaxy M21 |
| General | ||
| Model | Galaxy M21 | |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | November, 2016 | March 18, 2020 |
| Design | ||
| Dimensions | 72.9 x 149.1 x 7.7 mm | 75.1 x 159 x 8.9 mm |
| Weight | 147 g | 188 g |
| Display | ||
| Type | Color IPS Screen (16M colors Colors) | Color Super AMOLED Screen (16M Colors) |
| Touch | Yes | Yes |
| Size | 5.2 inches, 720 x 1280 pixels | 6.4 inches, 1080 x 2340 pixels |
| Aspect Ratio | 16:9 | 19.5:9 |
| PPI | ~ 282 PPI | ~ 403 PPI |
| Screen to Body Ratio | ~ 84.2% | |
| Glass Type | Corning Gorilla Glass 3 | |
| Features | 420 nits (peak) | |
| Notch | Yes, Water Drop Notch | |
| Memory | ||
| RAM | 3 GB | 4 GB |
| Storage | 32 GB | 64 GB |
| Card Slot | Yes | 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 | Yes, v5.0 |
| USB | Yes, microUSB | Yes, USB-C v2.0 |
| USB Features | USB on-the-go | USB on-the-go, USB Charging |
| Extra | ||
| GPS | Yes, with A-GPS Support | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| Fingerprint Sensor | Yes | Yes, Rear |
| Face Unlock | Yes | |
| Sensors | Accelerometer, Compass | Accelerometer, Gyro Sensor, Geomagnetic Sensor, Proximity Sensor, Virtual Light Sensing |
| 3.5mm Headphone Jack | Yes | Yes |
| Camera | ||
| Rear Camera | 13 MP | 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 | Face detection, Geo tagging, Panorama, 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 | 16 MP | 20 MP ƒ/2 (Wide Angle) |
| Front Video Recording | 1080p @ 30 fps FHD | |
| Technical | ||
| OS | Android v6.0 (Marshmallow) | Android v10.0, upgradable to v11 |
| Chipset | Qualcomm Snapdragon 435 | Samsung Exynos 9611 |
| CPU | 1.4 GHz, Octa Core Processor | 2.3 GHz, Octa Core Processor |
| Core Details | 4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53 | |
| GPU | Adreno 505 | Mali-G72 MP3 |
| Java | No | No |
| Browser | Yes, supports HTML | Yes, supports HTML5 |
| Multimedia | ||
| Supports | MMS | |
| Yes, with Push Email | Yes | |
| Music | FLAC, MP3, eAAC+, WAV | MP3, M4A, 3GA, AAC, OGG, OGA, WAV, WMA, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA |
| Video | MP4, H.264 | 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 | 2900 mAh, Li-ion Battery | 6000 mAh, Li-Po Battery |
| Fast Charging | Yes, 15W Fast Charging | |