Samsung Galaxy M21 2021 vs Samsung Galaxy A31
Quick Comparison
Samsung Galaxy A31 has better RAM than Samsung Galaxy M21 2021. In terms of display resolution, Samsung Galaxy A31 has better resolution of 1080 x 2400 than Samsung Galaxy M21 2021 which has resolution of 2340 x 1080. Samsung Galaxy A31 has more internal memory than Samsung Galaxy M21 2021
| Name | Samsung Galaxy M21 2021 | Samsung Galaxy A31 |
| RAM | 4 GB | 6 GB |
|---|---|---|
| Display | 6.4 in | 6.4 in |
| Internal Memory | 64 GB | 128 GB |
| Battery | 6000 mAh | 5000 mAh |
| Camera | 48 MP + 8 MP + 5 MP Triple | 48 MP Quad |
| Price | Rs. 9999 | Rs. 18990 |
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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. 9999. The launch Date of the second phone is June 4, 2020. The cost of Samsung Galaxy A31 is Rs. 18990.
Display comparison
Samsung Galaxy A31 has larger screen size of 6.4 inches in comparison to Samsung Galaxy M21 2021's 6.4 inch screen. Both the phones have Super AMOLED Screen Type. Samsung Galaxy A31 has display density of 412 PPI & Samsung Galaxy M21 2021 has only 403 PPI display density. In terms of screen to body ratio, Samsung Galaxy A31 has better screen to body ratio of ~ 84.9% than Samsung Galaxy M21 2021's ~ 84.2%. Samsung Galaxy M21 2021 has 19.5:9 aspect ratio where as Samsung Galaxy A31 has 20:9 aspect ratio.
Memory comparison
Samsung Galaxy A31's larger 6 GB RAM is better for playing games and all with respect to Samsung Galaxy M21 2021's lower 4 GB RAM. Samsung Galaxy A31 has more Internal Memory (128 GB) than Samsung Galaxy M21 2021 (64 GB).
Camera comparison
Samsung Galaxy M21 2021 has 48 MP + 8 MP + 5 MP Triple Rear Camera in comparison to Samsung Galaxy A31's 48 MP Quad Rear Camera. Both of them stand equal in terms of Front Camera Resolution as both have 20 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 10 version.
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Full Comparison
| Name | Samsung Galaxy M21 2021 | Samsung Galaxy A31 |
| General | ||
| Model | Galaxy M21 2021 | Galaxy A31 |
| 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 | June 4, 2020 |
| Design | ||
| Dimensions | 75.1 x 159 x 9 mm | 73.1 x 159.3 x 8.6 mm |
| Weight | 192 g | 185 g |
| Display | ||
| Type | Color Super AMOLED Screen (16M Colors) | Color Super AMOLED Screen (16M Colors) |
| Touch | Yes | Yes |
| Size | 6.4 inches, 1080 x 2340 pixels, 60 Hz | 6.4 inches, 2400 x 1080 pixels |
| Aspect Ratio | 19.5:9 | 20:9 |
| PPI | ~ 403 PPI | ~ 412 PPI |
| Screen to Body Ratio | ~ 84.2% | ~ 84.9% |
| Glass Type | Corning Gorilla Glass 3 | |
| Features | 420 nits (peak) | Full HD+ |
| Notch | Yes, Water Drop Notch | Yes, Water Drop Notch |
| Memory | ||
| RAM | 4 GB | 6 GB |
| Storage | 64 GB | 128 GB |
| Card Slot | Yes, upto 512 GB | Yes, upto 512 GB |
| 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, v5.0, A2DP, LE |
| 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, Beidou, Galileo | GPS, Glonass, Beidou, Galileo |
| Fingerprint Sensor | Yes, Rear | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro Sensor, Geomagnetic Sensor, Proximity Sensor, Virtual Light Sensing | Accelerometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor, Virtual Proximity Sensing, Compass |
| 3.5mm Headphone Jack | Yes | Yes |
| NFC | Yes | |
| Camera | ||
| Rear Camera | 48 MP ƒ/2 (Wide Angle) 8 MP ƒ/2.2 (Ultra Wide) 5 MP ƒ/2.2 (Depth Sensor) | 48 MP ƒ/2 (Main) 8 MP ƒ/2.2 (Ultra Wide) 5 MP ƒ/2.4 (Macro) Macro 5 MP ƒ/2.4 (Depth Sensor) |
| Auto Focus | Yes | Yes |
| Features | 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) | 20 MP ƒ/2 (Main) |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v11 | Android v10 |
| Chipset | Samsung Exynos 9611 | mediatek Helio P65 |
| CPU | 2.3 GHz, Octa Core Processor | 2 GHz, Octa Core Processor |
| Core Details | 4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53 | |
| GPU | Mali-G72 MP3 | Arm Mali-G52 2EEMC2 |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes, supports HTML5 |
| Multimedia | ||
| Yes | Yes | |
| Music | MP3, M4A, 3GA, AAC, OGG, OGA, WAV, WMA, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA | MP3, M4A, 3GA, AAC, OGG, OGA, WAV, WMA, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA |
| Video | MP4, M4V, 3GP, 3G2, WMV, ASF, AVI, FLV, MKV, WEBM | MP4, M4V, 3GP, 3G2, WMV, ASF, AVI, FLV, MKV, WEBM |
| 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 |
| Talk Time | 49 hours | 33 hours |
| Music Playback Time | 131 hours | 97 hours |