Samsung Galaxy M21 2021 vs OPPO A57 4G (4GB RAM + 64 GB)
Quick Comparison
Both Samsung Galaxy M21 2021 and OPPO A57 4G (4GB RAM + 64 GB) comes with same RAM. In terms of display resolution, Samsung Galaxy M21 2021 has better resolution of 2340 x 1080 than OPPO A57 4G (4GB RAM + 64 GB) which has resolution of 1612 x 720. Both have the same amount of internal memory.
| Name | Samsung Galaxy M21 2021 | OPPO A57 4G (4GB RAM + 64 GB) |
| RAM | 4 GB | 4 GB |
|---|---|---|
| Display | 6.4 in | 6.56 in |
| Internal Memory | 64 GB | 64 GB |
| Battery | 6000 mAh | 5000 mAh |
| Camera | 48 MP + 8 MP + 5 MP Triple | 13 MP + 2 MP Dual |
| Price | Rs. 9799 | Rs. 11799 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is July 21, 2021. The cost of Samsung Galaxy M21 2021 is Rs. 9799. The launch Date of the second phone is May 27, 2022. The cost of OPPO A57 4G (4GB RAM + 64 GB) is Rs. 11799.
Display comparison
Samsung Galaxy M21 2021 has screen size of 6.4 inches which falls short to OPPO A57 4G (4GB RAM + 64 GB)'s 6.56 inch screen. Samsung Galaxy M21 2021 has Super AMOLED Screen type where as OPPO A57 4G (4GB RAM + 64 GB) has IPS LCD Screen type. Samsung's phone has display density of 403 PPI & OPPO's phone has only 269 PPI display density. In terms of screen to body ratio, OPPO's phone has better screen to body ratio of ~ 89.8% than Samsung's phone ~ 84.2%. Samsung Galaxy M21 2021 has 19.5:9 aspect ratio where as OPPO A57 4G (4GB RAM + 64 GB) has 20:9 aspect ratio.
Memory comparison
Both phones 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 outshines OPPO A57 4G (4GB RAM + 64 GB)'s 13 MP + 2 MP Dual 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 A57 4G (4GB RAM + 64 GB)'s 8 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 11 and the second one on 12 version.
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Full Comparison
| Name | Samsung Galaxy M21 2021 | OPPO A57 4G (4GB RAM + 64 GB) |
| General | ||
| Model | Galaxy M21 2021 | A57 4G |
| 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 21, 2021 | May 27, 2022 |
| Design | ||
| Dimensions | 75.1 x 159 x 9 mm | 75.03 x 163.74 x 7.99 mm |
| Weight | 192 g | 187 g |
| Display | ||
| Type | Color Super AMOLED Screen (16M Colors) | Color IPS LCD Screen (16.7M) |
| Touch | Yes | Yes |
| Size | 6.4 inches, 1080 x 2340 pixels, 60 Hz | 6.56 inches, 720 x 1612 pixels, 60 Hz |
| Aspect Ratio | 19.5:9 | 20:9 |
| PPI | ~ 403 PPI | ~ 269 PPI |
| Screen to Body Ratio | ~ 84.2% | ~ 89.8% |
| Glass Type | Corning Gorilla Glass 3 | Panda MN228 |
| Features | 420 nits (peak) | 480 nits (typ), 600 nits (HBM) |
| Notch | Yes, Water Drop Notch | Yes, Water Drop Notch |
| Memory | ||
| RAM | 4 GB | 4 GB |
| Expandable RAM | Upto 4 GB Extra Virtual RAM | |
| Storage | 64 GB | 64 GB |
| Card Slot | Yes, upto 512 GB | Yes |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | No | |
| VoLTE | Yes | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Yes, v5.0 | Yes, v5.3, A2DP, LE, aptX HD |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB on-the-go, USB Charging | USB on-the-go |
| Extra | ||
| GPS | Yes, with A-GPS, Glonass, Beidou, Galileo | Yes, with A-GPS, GLONASS, GALILEO, BDS, QZSS |
| Fingerprint Sensor | Yes, Rear | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro Sensor, Geomagnetic Sensor, Proximity Sensor, Virtual Light Sensing | Accelerometer, Gyro, Proximity, Compass |
| 3.5mm Headphone Jack | Yes | Yes |
| Camera | ||
| Rear Camera | 48 MP ƒ/2 (Wide Angle) 8 MP ƒ/2.2 (Ultra Wide) 5 MP ƒ/2.2 (Depth Sensor) | 13 MP ƒ/2.2 (Wide Angle) 2 MP ƒ/2.4 (Depth Sensor) |
| Auto Focus | Yes | Yes |
| Features | Panorama, HDR | HDR, Panorama |
| Video Recording | 4K @ 30 fps UHD, 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 20 MP ƒ/2 (Wide Angle) | 8 MP ƒ/2 (Wide Angle) |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v11 | Android v12 |
| Chipset | Samsung Exynos 9611 | MediaTek Helio G35 |
| CPU | 2.3 GHz, Octa Core Processor | 2.3 GHz, Octa Core Processor |
| Core Details | 4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53 | 4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53 |
| GPU | Mali-G72 MP3 | PowerVR GE8320 |
| 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 | No |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 6000 mAh, Li-Po Battery | 5000 mAh, Li-Po Battery |
| Fast Charging | Yes, 15W Fast Charging | Yes, 33W Fast Charging |
| Talk Time | 49 hours | |
| Music Playback Time | 131 hours | |