Samsung Galaxy A8 Plus (2018) has better RAM than Samsung Galaxy M21. In terms of display resolution, Samsung Galaxy M21 has better resolution of 2340 x 1080 than Samsung Galaxy A8 Plus (2018) which has resolution of 2220 x 1080. Both have the same amount of internal memory.
| Name | Samsung Galaxy A8 Plus (2018) | Samsung Galaxy M21 |
| RAM | 6 GB | 4 GB |
|---|---|---|
| Display | 6 in | 6.4 in |
| Internal Memory | 64 GB | 64 GB |
| Battery | 3500 mAh | 6000 mAh |
| Camera | 16 MP | 48 MP + 8 MP + 5 MP Triple |
| Price | Rs. 9999 | Rs. 13990 |
The launch Date of the first phone is December, 2017. The cost of Samsung Galaxy A8 Plus (2018) is Rs. 9999. The launch Date of the second phone is March 18, 2020. The cost of Samsung Galaxy M21 is Rs. 13990.
Samsung Galaxy M21 has larger screen size of 6.4 inches in comparison to Samsung Galaxy A8 Plus (2018)'s 6 inch screen. There is Super AMOLED Screen Type in both the phones. Samsung Galaxy A8 Plus (2018) has display density of 411 PPI & Samsung Galaxy M21 has only 403 PPI display density. In terms of screen to body ratio, Samsung Galaxy M21 has better screen to body ratio of ~ 84.2% than Samsung Galaxy A8 Plus (2018)'s ~ 75.5%. Samsung Galaxy A8 Plus (2018) has 18.5:9 aspect ratio where as Samsung Galaxy M21 has 19.5:9 aspect ratio.
Samsung Galaxy A8 Plus (2018)'s larger 6 GB RAM is better for playing games and all with respect to Samsung Galaxy M21's lower 4 GB RAM. and both have same Internal Memory of 64 GB.
Samsung Galaxy M21's 48 MP + 8 MP + 5 MP Triple Rear Camera outshines Samsung Galaxy A8 Plus (2018)'s 16 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 Samsung Galaxy A8 Plus (2018)'s 16 MP + 8 MP Dual Front Camera.
Both the phones has Android Operating System but the first one runs on version 7.1.1 and the second one on 10.0 version.
| Name | Samsung Galaxy A8 Plus (2018) | Samsung Galaxy M21 |
| General | ||
| Model | Galaxy A8 Plus (2018) | Galaxy M21 |
| 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 | December, 2017 | March 18, 2020 |
| Design | ||
| Dimensions | 75.7 x 159.9 x 8.3 mm | 75.1 x 159 x 8.9 mm |
| Weight | 191 g | 188 g |
| Display | ||
| Type | Color Super AMOLED Screen (16M colors Colors) | Color Super AMOLED Screen (16M Colors) |
| Touch | Yes | Yes |
| Size | 6 inches, 1080 x 2220 pixels | 6.4 inches, 1080 x 2340 pixels |
| Aspect Ratio | 18.5:9 | 19.5:9 |
| PPI | ~ 411 PPI | ~ 403 PPI |
| Screen to Body Ratio | ~ 75.5% | ~ 84.2% |
| Glass Type | Corning Gorilla Glass 3 | |
| Features | 420 nits (peak) | |
| Notch | Yes, Water Drop Notch | |
| Memory | ||
| RAM | 6 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, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB on-the-go, USB Charging | |
| Extra | ||
| GPS | Yes, with A-GPS Support | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| Fingerprint Sensor | Yes, Rear | Yes, Rear |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass, Barometer | Accelerometer, Gyro Sensor, Geomagnetic Sensor, Proximity Sensor, Virtual Light Sensing |
| 3.5mm Headphone Jack | Yes | Yes |
| NFC | Yes | |
| Camera | ||
| Rear Camera | 16 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 + 8 MP | 20 MP ƒ/2 (Wide Angle) |
| Front Video Recording | 1080p @ 30 fps FHD | |
| Technical | ||
| OS | Android v7.1.1 (Nougat) | Android v10.0, upgradable to v11 |
| Chipset | Samsung Exynos 7885 | Samsung Exynos 9611 |
| CPU | 2.2 GHz, Octa Core Processor | 2.3 GHz, Octa Core Processor |
| Core Details | 4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53 | |
| GPU | Mali-G71 | Mali-G72 MP3 |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes, supports HTML5 |
| Multimedia | ||
| Supports | MMS, Instant Messaging | |
| Yes, with Push Email | Yes | |
| Music | MP3, WAV, WMA, eAAC+, FLAC | MP3, M4A, 3GA, AAC, OGG, OGA, WAV, WMA, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA |
| Video | MP4, WMV | 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 | 3500 mAh, Li-ion Battery | 6000 mAh, Li-Po Battery |
| Fast Charging | Yes, 15W Fast Charging | |
| Music Playback Time | 73 hours | |