Samsung Galaxy M21 (6GB RAM + 128GB) vs OPPO A77 (4GB RAM + 128 GB)
Quick Comparison
Samsung Galaxy M21 (6GB RAM + 128GB) has better RAM than OPPO A77 (4GB RAM + 128 GB). In terms of display resolution, Samsung Galaxy M21 (6GB RAM + 128GB) has better resolution of 2340 x 1080 than OPPO A77 (4GB RAM + 128 GB) which has resolution of 1600 x 720. Both have the same amount of internal memory.
| Name | Samsung Galaxy M21 (6GB RAM + 128GB) | OPPO A77 (4GB RAM + 128 GB) |
| RAM | 6 GB | 4 GB |
|---|---|---|
| Display | 6.4 in | 6.56 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 6000 mAh | 5000 mAh |
| Camera | 48 MP + 8 MP + 5 MP Triple | 50 MP Dual |
| Price | Rs. 11990 | Rs. 10999 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is March 18, 2020. The cost of Samsung Galaxy M21 (6GB RAM + 128GB) is Rs. 11990. The launch Date of the second phone is August 02, 2022. The cost of OPPO A77 (4GB RAM + 128 GB) is Rs. 10999.
Display comparison
OPPO A77 (4GB RAM + 128 GB) has larger screen size of 6.56 inches in comparison to Samsung Galaxy M21 (6GB RAM + 128GB)'s 6.4 inch screen. Samsung Galaxy M21 (6GB RAM + 128GB) has Super AMOLED Screen type where as OPPO A77 (4GB RAM + 128 GB) has IPS Screen type. Samsung's phone has display density of 403 PPI & OPPO's phone has only 267 PPI display density. Samsung Galaxy M21 (6GB RAM + 128GB) has 19.5:9 aspect ratio where as OPPO A77 (4GB RAM + 128 GB) has 20:9 aspect ratio.
Memory comparison
Samsung Galaxy M21 (6GB RAM + 128GB)'s larger 6 GB RAM is better for playing games and all with respect to OPPO A77 (4GB RAM + 128 GB)'s lower 4 GB RAM. and both have same Internal Memory of 128 GB.
Camera comparison
OPPO A77 (4GB RAM + 128 GB)'s 50 MP Dual Rear Camera outclasses Samsung Galaxy M21 (6GB RAM + 128GB)'s 48 MP + 8 MP + 5 MP Triple Rear Camera in terms of resolution. Samsung Galaxy M21 (6GB RAM + 128GB) 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 A77 (4GB RAM + 128 GB)'s 8 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 12 version.
Related Comparisons
Full Comparison
| Name | Samsung Galaxy M21 (6GB RAM + 128GB) | OPPO A77 (4GB RAM + 128 GB) |
| General | ||
| Model | Galaxy M21 | A77 |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | March 18, 2020 | August 02, 2022 |
| Design | ||
| Dimensions | 75.1 x 159 x 8.9 mm | |
| Weight | 188 g | |
| Display | ||
| Type | Color Super AMOLED Screen (16M Colors) | Color IPS Screen (16M colors Colors) |
| Touch | Yes | Yes |
| Size | 6.4 inches, 1080 x 2340 pixels | 6.56 inches, 720 x 1600 pixels |
| Aspect Ratio | 19.5:9 | 20:9 |
| PPI | ~ 403 PPI | ~ 267 PPI |
| Screen to Body Ratio | ~ 84.2% | |
| Glass Type | Corning Gorilla Glass 3 | |
| Features | 420 nits (peak) | |
| Notch | Yes, Water Drop Notch | Yes, Water Drop Notch |
| Memory | ||
| RAM | 6 GB | 4 GB |
| Expandable RAM | Upto 4 GB Extra Virtual RAM | |
| Storage | 128 GB | 128 GB |
| Card Slot | Yes, upto 512 GB | Yes |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| VoLTE | Yes | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes, v5.0 | Yes, v5.2 |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging |
| Extra | ||
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS Support |
| Fingerprint Sensor | Yes, Rear | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro Sensor, Geomagnetic Sensor, Proximity Sensor, Virtual Light Sensing | Accelerometer, Compass |
| 3.5mm Headphone Jack | Yes | Yes |
| Water Resistance | Yes, IPX4 | |
| IP Rating | IP5X | |
| Dust Resistant | Yes | |
| Camera | ||
| Rear Camera | 48 MP ƒ/2 (Wide Angle) 8 MP ƒ/2.2 (Ultra Wide) 5 MP ƒ/2.2 (Depth Sensor) | 50 MP Ai Lens |
| Auto Focus | Yes | Yes |
| Features | Panorama, HDR | Panorama, HDR |
| 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 Screen Flash |
| Front Video Recording | 1080p @ 30 fps FHD | |
| Technical | ||
| OS | Android v10.0, upgradable to 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, supports HTML |
| 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-ion Battery |
| Fast Charging | Yes, 15W Fast Charging | Yes, 33W Fast Charging |