Samsung Galaxy M21 vs Samsung Galaxy M31 vs Samsung Galaxy A80
- Updated: 25th Jun 2020, 15:38 IST
Key Feature Comparison
Show differences only
At a Glance
Show differences only
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Samsung Exynos 9 Octa 9611, Mali-G72 MP3
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Samsung Exynos 9 Octa 9611, Mali-G72 MP3
Octa core (2.2 GHz, Dual core, Kryo 470 + 1.8 GHz, Hexa Core, Kryo 470)
Qualcomm Snapdragon 730G, Adreno 618
6000 mAh
Li-ion, Fast, 15W
6000 mAh
Li-ion, Fast, 15W
3700 mAh
Li-ion, Fast, 25W
6.4 inches
403 ppi, FHD
6.4 inches
403 ppi, FHD
6.7 inches
393 ppi, FHD
Triple, 48MP + 8MP + 5MP
3840x2160 @ 30 fps, 1920x1080 @ 30 fps
Quad, 64MP + 8MP + 5MP + 5MP
3840x2160 @ 30 fps, 1920x1080 @ 30 fps, 1280x720 @ 240 fps
Dual, 48MP + 8MP
3840x2160 @ 30 fps, 1920x1080 @ 60 fps
4G
Dual SIM, GSM+GSM
4G
Dual SIM, GSM+GSM, Dual VoLTE
4G
Dual SIM, GSM+GSM, Dual VoLTE
Detailed Specs
Screen Size
6.4 inches
6.4 inches
6.7 inches
Screen Type
Super AMOLED
Super AMOLED
Super AMOLED
Screen Resolution
1080 x 2340 pixels
1080 x 2340 pixels
1080 x 2400 pixels
Pixel Density
403 ppi
403 ppi
393 ppi
Aspect Ratio
19.5:9
19.5:9
20:09
Screen Protection
Gorilla Glass 3
Gorilla Glass 3
Gorilla Glass 3
Screen to Body Ratio
91%
83.92%
85.76%
Screen Design
Waterdrop notch
Regular notch
Bezel-less
Screen Quality
FHD
FHD
FHD
Peak Brightness
420 nits
-
-
Phone Variants
4GB 64GB, 6GB 128GB
6GB 64GB, 8GB 128GB, 6GB 128GB
8GB 128GB
Expandable Storage
Yes
Yes
No
RAM Type
LPDDR4X
LPDDR4X
LPDDR4X
Storage Type
UFS 2.1
UFS 2.1
UFS 2.1
Expandable Storage Capacity
Yes, 512 GB
Yes, 512 GB
-
OTG Support
Yes
Yes
Yes
Sensors
Light sensor, Proximity sensor, Accelerometer, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Gyroscope
Operating System
Android v10 (Q)
Android v10 (Q)
Android v9.0 (Pie)
GPU
Mali-G72 MP3
Mali-G72 MP3
Adreno 618
Chipset
Samsung Exynos 9 Octa 9611
Samsung Exynos 9 Octa 9611
Qualcomm Snapdragon 730G
CPU
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Octa core (2.2 GHz, Dual core, Kryo 470 + 1.8 GHz, Hexa Core, Kryo 470)
Custom User Interface
Samsung One UI
Samsung One UI
-
Clock Speed
2.3 GHz
2.3 GHz
2.2 GHz
Architecture
64 bit
64 bit
64 bit
Process Technology
10 nm
10 nm
8 nm
Battery Capacity
6000 mAh
6000 mAh
3700 mAh
Battery Removable
No
No
No
Battery Type
Li-ion
Li-ion
Li-ion
Charger Type
Fast, 15W
Fast, 15W
Fast, 25W
USB Type-C
Yes
Yes
Yes
Fast Charging
Yes
Yes
Yes
Announced On
18-Mar-20
25-Feb-20
5-Apr-19
Market Status
Available
Available
Available
Brand
Samsung
Samsung
Samsung
Model Number
SM-M215FZKDINS
SM-M315FZKDINS
SM-A805FZKUINS
Price Status
Confirmed
Confirmed
Confirmed
Price
Rs. 13,499
Rs. 15,999
Rs. 31,989
GPS
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Audio Features
Dolby Atmos
Dolby Atmos
Active noise cancellation with dedicated micDolby Atmos sound
NFC
No
No
Yes
Network Support
4G
4G
4G
Bluetooth
Yes
Yes
Yes
3.5mm Audio Jack
Yes
Yes
No
SIM Size
SIM1: Nano, SIM2: Nano
SIM1: Nano, SIM2: Nano
SIM1: Nano, SIM2: Nano
Wi-Fi
Yes, Wi-Fi 802.11, ac/b/g/n/n 5GHz
Yes, Wi-Fi 802.11, ac/b/g/n/n 5GHz
Yes, Wi-Fi 802.11, a/ac/b/g/n/n 5GHz, MIMO
Bluetooth Type
v5.0
v5.0
v5.0
Audio Jack
3.5 mm
3.5 mm
USB Type-C
SIM Slot(s)
Dual SIM, GSM+GSM
Dual SIM, GSM+GSM, Dual VoLTE
Dual SIM, GSM+GSM, Dual VoLTE
eSIM
No
No
No
Wi-Fi Features
Wi-Fi Direct, Mobile Hotspot
Wi-Fi Direct, Mobile Hotspot
Wi-Fi Direct, Mobile Hotspot
VoLTE
Yes
Yes
Yes
SIM 1 Bands
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS:...
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 800(band 20) / 850(band 26), 3G...
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 800(band 20) / 850(band 26), 3G...
SIM 2 Bands
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS:...
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 800(band 20) / 850(band 26), 3G...
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 800(band 20) / 850(band 26), 3G...
FM Radio
-
Yes
-
Front Video Recording
1920x1080 @ 30 fps
1920x1080 @ 30 fps
3840x2160 @ 30 fps, 1920x1080 @ 60 fps
Front Camera Features
HDR
HDR
LED flash, HDR
Front Camera Setup
Single, 20MP
Single, 32MP
Dual, 48MP + 8MP
Front Camera 1 Resolution
20 MP
32 MP
48 MP
Front Camera 1 Type
f/2.2 Primary Camera
f/2.0 Primary Camera
f/2.0 (123 degree field-of-view) Primary Camera
Front Camera 1 Lens
26 mm focal length
26 mm focal length, 2.8" sensor size, 0.8 micrometre pixel size
-
Front Sensor
CMOS
Exmor RS
-
Front Aperture
f/2.2
f/2.0
f/2.0
Front Flash
No
No
-
Weight
188 grams
191 grams
220 grams
Colors
Midnight Blue, Raven Black
Black, Blue
Black, Gold, Silver
Build
Back: Plastic
Back: Plastic
Back: Gorilla Glass
Dimensions
159 x 75.1 x 8.9 mm
159.2 x 75.1 x 8.9 mm
165.2 x 76.5 x 9.3 mm
SAR Value
Head: 0.468 W/kg
Head: 0.383 W/kg
-
OIS
No
No
No
Rear Flash
Yes, LED Flash
Yes, LED Flash
Yes, LED Flash
Rear Video Recording
3840x2160 @ 30 fps, 1920x1080 @ 30 fps
3840x2160 @ 30 fps, 1920x1080 @ 30 fps, 1280x720 @ 240 fps
3840x2160 @ 30 fps, 1920x1080 @ 60 fps
Rear Camera Features
4 x Digital Zoom, Auto Flash, Face detection, Touch to focus
8 x Digital Zoom, Auto Flash, Face detection, Touch to focus
8 x Digital Zoom, Auto Flash, Face detection, Touch to focus
Rear Camera Setup
Triple, 48MP + 8MP + 5MP
Quad, 64MP + 8MP + 5MP + 5MP
Dual, 48MP + 8MP
Rear Camera 1 Resolution
48 MP
64 MP
48 MP
Rear Camera 1 Type
f/2.0 (upto 4x Digital Zoom) Primary Camera
f/1.8 (upto 8x Digital Zoom) Primary Camera
f/2.0 (upto 8x Digital Zoom), Wide Angle Primary Camera
Rear Camera 1 Lens
26 mm focal length, 2" sensor size, 0.8 micrometre pixel size
26 mm focal length, 1.7" sensor size, 0.8 micrometre pixel size
26 mm focal length, 2" sensor size, 0.8 micrometre pixel size
Rear Camera 2 Resolution
8 MP
8 MP
8 MP
Rear Camera 2 Type
f/2.2, Wide Angle, Ultra-Wide Angle Camera
f/2.2, Wide Angle, Ultra-Wide Angle Camera
f/2.2, Wide Angle, Ultra-Wide Angle Camera
Rear Camera 2 Lens
12 mm focal length, 4.0" sensor size, 1.12 micrometre pixel size
12 mm focal length, 4.0" sensor size, 1.12 micrometre pixel size
12 mm focal length, 1.12 micrometre pixel size
Rear Camera 3 Resolution
5 MP
5 MP
-
Rear Camera 3 Type
f/2.2, Depth Camera
f/2.4, Macro Camera
-
Rear Sensor
CMOS image sensor
ISOCELL Plus
ISOCELL Plus
Rear Aperture
f/2.0
f/1.8
f/2.0
Rear Camera 3 Lens
-
25 mm focal length, 5.0" sensor size, 1.12 micrometre pixel size
-
Rear Camera 4 Resolution
-
5 MP
-
Rear Camera 4 Type
-
f/2.2, Depth Camera
-
Fingerprint Scanner
Yes
Yes
Yes
Fingerprint Scanner Position
Rear
Rear
On-Screen
Face Unlock
Yes
Yes
-
Latest Comparisons
You May Also Read
Google has been creating Android which runs almost all the phones ever since Android publically came out into the market. However, after revolutionising the entire smartphone market, Google started creating its own smartphones and entered the flagship segment with the finest and refined variants from the brand in the Google Nexus Series. However, the series…
POCO emerged as a gaming-centric brand of Xiaomi. It got a lot of fame in a concise time interval, mostly due to the impressive packaging offered at a jaw-dropping price tag. Although the company started with just two smartphone models, it has expanded its smartphone portfolio to multiple devices. So, to get a deeper look…
The Chinese smartphone brand Huawei is one such company that have a lot of devices in its portfolio. However, the Huawei phone doesn’t currently run on Android OS, but their overall performance seems to be top-notch compared to other premium smartphones. Moreover, the company routinely adds new members to almost every other smartphone series it…
LG grew as one of the most innovative smartphone manufacturers in the market over the years. The company has introduced numerous devices offering the trendiest features that other manufacturers fail to deliver. As a result, their smartphone portfolio is continuously growing, and it is becoming difficult to keep track of all the smartphone launches. Hence,…
Motorola is one of the few brands that come into your mind when you think of stock Android smartphones. The company offers a decent range of smartphones that give a pure Android experience along with modern hardware. Motorola smartphone line-up is definitely vast, with the company catering budgets of almost all the users in the…
Recent News
itel has launched the new itel T11 Pro TWS in India. The earbud is priced under Rs 1,300 and comes with features like 360-degree Super Bass technology. Additionally, it also offers support for noise cancellation, IPX5 rating, and more. Let’s take a look at all the details. Read More: Redmi Buds 5 Review: Premium Features…
26th Apr 2024
OnePlus has launched the OnePlus Watch 2 in a new colour called Nordic Blue. The new colour will only be sold in Europe. This was announced at the Mobile World Congress (MWC) 2024 in February this year. It was launched in India and other global markets in two colour variants. The new colours aim to…
26th Apr 2024
OnePlus 13 is expected to be launched by the end of this year, but details about this smartphone have already leaked. Therefore, the company is working on a successor to OnePlus 12. Additionally, various reports hint at some of the key specifications of the smartphone. It is expected to offer the same display size as…
26th Apr 2024
Realme has expanded its C series offering with the launch of Realme C65 in India. A MediaTek chipset powers it and it runs the Android 14 operating system. This smartphone is one of the cheapest 5G-enabled smartphones. Moreover, this device has a powerful camera and is affordable. Plus, you can take advantage of discounts from…
26th Apr 2024
Realme has launched its latest Realme Narzo 70 5G and Realme Narzo 70x 5G with a 5,000mAh battery in India. Both Narzo 70 5G and Narzo 70x 5G are powered by MediaTek Dimensity processors. In the early sale, consumers can buy his Realme Narzo 70 5G series through Amazon and realme.com starting today. Both smartphones…
26th Apr 2024
Tips & Tricks
Making provisions and learning how to vote online can save a lot of time and effort. After all, voting is a fundamental right of every Indian citizen. To make the process hassle-free for every Indian, as much convenience as possible should be provided. In the quest to modernise the democratic process, the Election Commission of India (ECI)…
25th Apr 2024
How cool would it be if you knew how to create a phone app? Imagine building an Android app exactly how you may have envisioned, or that could solve the problems of hundreds of people. It might seem like a complicated task that only a tech expert or App developer can manage to pull off.…
23rd Apr 2024
OpenAI’s latest AI model, ChatGPT 4, has become the most popular in the tech world. However, do you know you can get ChatGPT 4 free access? Yes! You read it right! The recent release of OpenAI’s latest GPT-4 model is quite powerful compared to its predecessors. ChatGPT 4 is multimodal, meaning it can interpret text…
18th Apr 2024
Google Takeout is the fastest way to download Google data. Google Data Liberation Front (engineering team) developed this tool in 2011. You can easily import and export data from various Google services using it. Its name might suggest that Google Takeout is an online food delivery service, but it is not. Instead, it is a…
16th Apr 2024
Screen mirroring iPhone to any other compatible device lets you play videos and slideshow photos on a big screen when you have an audience to watch. It even helps you present projects in a professional space. However, there are some key factors to consider before you try this feature out. For example, the OS version…
15th Apr 2024
Popular Leaks
The Indian smartphone market is growing by the day, especially online. Now, in an attempt to strengthen their offline presence as well, iQOO and POCO are set to enter the offline market in India. Their parent brands, respectively Vivo and Xiaomi already have a good offline presence across the country. Going by that, their sub-brands…
23rd Nov 2021
According to a report from Reddit, the OnePlus India branch is offering a free battery replacement to select models. The models included in this offer are the OnePlus 3, the OnePlus5 series and the OnePlus6 series. In this offer, users will not have to pay a single rupee for the battery. However, the company will charge a nominal labour…
27th Aug 2021
Apple is already working on the Apple iPhone 16 lineup, which will bring incremental changes to hardware and pack new AI features. A new leak has revealed the Cupertino Giant could bring a huge overhaul to the design of the iPhone 16. Also Read: Apple iPhone 15 Repair Made Easy: Here’s How! The upcoming iPhone…
6th Feb 2024
The Google Pixel 8 series launch is just around the corner, and the company has announced an event on October 4 to unveil the phones. A new leak has revealed the US pricing for the Google Pixel 8 series ahead of launch. Google Pixel 8 Series US Pricing Leak According to a leak by tipster…
25th Sep 2023
The OnePlus Open will launch in India on October 19, with the company announcing an event in Mumbai. The phone has leaked several times with complete renders and full specifications. With just a few days to go before the official launch, the price of the OnePlus Open in India has leaked. OnePlus Open Price In…
15th Oct 2023