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Samsung Galaxy M51 vs Samsung Galaxy S20 Ultra vs Samsung Galaxy M21

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Last Updated: 
30th Nov 2020

Key Feature Comparison

Samsung Galaxy M51
₹20,999
8/10
Samsung Galaxy S20 Ultra
₹97,500
8/10
Samsung Galaxy M21
₹12,499
8/10
Samsung Galaxy M51
Samsung Galaxy M51
8/10
₹20,999
8/10
VS
Samsung Galaxy S20 Ultra
Samsung Galaxy S20 Ultra
8/10
₹97,500
8/10
VS
Samsung Galaxy M21
Samsung Galaxy M21
8/10
₹12,499
8/10
Display
Screen Size
6.7 inches
6.9 inches
6.4 inches
Screen Type
Super AMOLED Plus
Dynamic AMOLED
Super AMOLED
Screen Resolution
1080 x 2400 pixels
1440 x 3200 pixels
1080 x 2340 pixels
Pixel Density
393 ppi
509 ppi
403 ppi
Aspect Ratio
20:09
20:09
19.5:9
Screen Protection
Corning Gorilla Glass v3
Corning Gorilla Glass v6
Corning Gorilla Glass v3
Screen to Body Ratio
91%
90.62%
91%
Screen Design
Punch-Hole Display
Punch-Hole Display
Waterdrop Notch
Screen Quality
FHD
2K
FHD
Peak Brightness
420 nits
-
420 nits
Screen Refresh Rate
-
120 Hz
-
Performance
Operating System
Android v10 (Q)
Android v10 (Q)
Android v10 (Q)
GPU
Adreno 618
Mali-G77 MP11
Mali-G72 MP3
Chipset
Qualcomm Snapdragon 730G
Samsung Exynos 9 Octa 990
Samsung Exynos 9 Octa 9611
CPU
Octa core (2.2 GHz, Dual core, Kryo 470 + 1.8 GHz, Hexa Core, Kryo 470)
Octa core (2.73 GHz, Dual core, M5 Mongoose + 2.5 GHz, Dual core, Cortex A76 + 2 GHz, Quad core, Cortex A55)
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Custom User Interface
Samsung One UI
Samsung One UI
Samsung One UI
Clock Speed
2.2 GHz
2.73 GHz
2.3 GHz
Architecture
64 bit
64 bit
64 bit
Process Technology
8 nm
7 nm
10 nm
Miscellaneous Features
Sensors
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Barometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Gyroscope
General
Announced On
31-Aug-20
11-Feb-20
18-Mar-20
Market Status
Available
Available
Available
Brand
Samsung
Samsung
Samsung
Price Status
Confirmed
Confirmed
Confirmed
Price
Rs. 22,990
Rs. 72,500
Rs. 13,499
Memory & Storage
Phone Variants
128GB 6GB RAM, 128GB 8GB RAM
128GB 12GB RAM
64GB 4GB RAM, 128GB 6GB RAM
Expandable Storage
Yes
Yes
Yes
RAM Type
LPDDR4X
LPDDR5
LPDDR4X
Storage Type
UFS 2.1
UFS 3.0
UFS 2.1
Expandable Storage Capacity
Yes, 512 GB
Yes, 1 TB
Yes, 512 GB
OTG Support
-
Yes
Yes
Battery
Battery Capacity
7000 mAh
5000 mAh
6000 mAh
Battery Removable
No
No
No
Battery Type
Li-ion
Li-ion
Li-ion
Charger Type
Fast, 25W
Fast, 45W
Fast, 15W
USB Type-C
Yes
Yes
Yes
Fast Charging
Yes
Yes
Yes
Wireless Charging
-
Yes
-
Network & Connectivity
GPS
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Audio Features
Dolby Atmos
Dolby Atmos, Dolby Digital, Dolby Digital Plus
Dolby Atmos
NFC
Yes
Yes
No
Bluetooth
Yes
Yes
Yes
3.5mm Audio Jack
Yes
No
Yes
Bluetooth Type
v5.0
v5.0
v5.0
Audio Jack
3.5 mm
USB Type-C
3.5 mm
FM Radio
-
No
-
Front Camera
Front Video Recording
1920x1080 @ 30 fps
3840x2160 @ 30 fps, 1920x1080 @ 30 fps
1920x1080 @ 30 fps
Front Camera Features
HDR
Dual video call, Auto-HDR
HDR
Front Camera Setup
Single, 32MP
Single, 40MP
Single, 20MP
Front Camera 1 Resolution
32 MP
40 MP
20 MP
Front Camera 1 Type
f/2.2, Wide Angle Primary Camera
f/2.2, Wide Angle Primary Camera
f/2.2 Primary Camera
Front Camera 1 Lens
26 mm focal length, 2.8" sensor size, 0.8 micrometre pixel size
26 mm focal length, 1.4 micrometre pixel size
26 mm focal length
Front Sensor
Exmor RS
CMOS
CMOS
Front Aperture
f/2.2
f/2.2
f/2.2
Front Flash
No
-
No
Design
Weight
213 grams
220 grams
188 grams
Colors
Celestial Black, Electric Blue
Cosmic Grey, Cosmic Black
Midnight Blue, Raven Black
Build
Back: Plastic
Back: Gorilla Glass
Back: Plastic
Dimensions
163.9 x 76.3 x 9.5 mm
166.9 x 76 x 8.8 mm
159 x 75.1 x 8.9 mm
SAR Value
Head: 1.381 W/kg
-
Head: 0.468 W/kg
IP Certification
-
Yes, Water resistant (up to 30 minutes in a depth of 1.5 meter), IP68
-
Rear Camera
OIS
No
Yes
No
Rear Flash
Yes, LED Flash
Yes, LED Flash
Yes, LED Flash
Rear Video Recording
3840x2160 @ 30 fps, 1920x1080 @ 30 fps
7680x4320 @ 24 fps, 3840x2160 @ 60 fps, 1920x1080 @ 240 fps, 1280x720 @ 960 fps
3840x2160 @ 30 fps, 1920x1080 @ 30 fps
Rear Camera Features
8 x Digital Zoom, Auto Flash, Face detection, Touch to focus
Digital Zoom, Auto Flash, Face detection, Touch to focus
4 x Digital Zoom, Auto Flash, Face detection, Touch to focus
Rear Camera Setup
Quad, 64MP + 12MP + 5MP + 5MP
Triple, 108MP + 48MP + 12MP
Triple, 48MP + 8MP + 5MP
Rear Camera 1 Resolution
64 MP
108 MP
48 MP
Rear Camera 1 Type
f/1.8 (upto 8x Digital Zoom), Wide Angle Primary Camera
f/1.8, Wide Angle (79 degree field-of-view) Primary Camera
f/2.0 (upto 4x Digital Zoom) Primary Camera
Rear Camera 1 Lens
26 mm focal length, 1.7" sensor size, 0.8 micrometre pixel size
26 mm focal length, 0.8 micrometre pixel size
26 mm focal length, 2" sensor size, 0.8 micrometre pixel size
Rear Camera 2 Resolution
12 MP
48 MP
8 MP
Rear Camera 2 Type
f/2.2, Wide Angle, Ultra-Wide Angle Camera
f/3.5 Telephoto (upto 10x Optical Zoom) Camera
f/2.2, Wide Angle, Ultra-Wide Angle Camera
Rear Camera 3 Resolution
5 MP
12 MP
5 MP
Rear Camera 3 Type
f/2.4, Macro Camera
f/2.2, Wide Angle, Ultra-Wide Angle Camera
f/2.2, Depth Camera
Rear Camera 4 Resolution
5 MP
-
-
Rear Camera 4 Type
f/2.4, Depth Camera
-
-
Rear Sensor
Exmor-RS CMOS Sensor, ISOCELL Plus
ISOCELL Plus
CMOS image sensor
Rear Aperture
f/1.8
f/1.8
f/2.0
Rear Camera 2 Lens
-
102 mm focal length, 2" sensor size, 0.8 micrometre pixel size
12 mm focal length, 4.0" sensor size, 1.12 micrometre pixel size
Rear Camera 3 Lens
-
13 mm focal length, 1.4 micrometre pixel size
-
Network
Network Support
4G (supports Indian bands), 3G, 2G
4G (supports Indian bands), 3G, 2G
4G (supports Indian bands), 3G, 2G
SIM Size
SIM1: Nano, SIM2: Nano
SIM1: Nano, SIM2: Nano (Hybrid)
SIM1: Nano, SIM2: Nano
Wi-Fi
Yes, Wi-Fi 802.11, a/ac/b/g/n/n 5GHz
Yes, Wi-Fi 802.11, a/ac/ax/b/n/n 5GHz, MIMO
Yes, Wi-Fi 802.11, ac/b/g/n/n 5GHz
SIM Slot(s)
Dual SIM, GSM+GSM
Dual SIM, GSM+GSM
Dual SIM, GSM+GSM
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) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 800(band 20) / 850(band 26), 3G Bands: UMTS 19...
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39), 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) / 850(band 18) / ...
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:...
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) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 800(band 20) / 850(band 26), 3G Bands: UMTS 19...
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39), 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) / 850(band 18) / ...
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:...
Sensors
Fingerprint Scanner
Yes
Yes
Yes
Fingerprint Scanner Position
Side
On-screen
Rear
Fingerprint Scanner Type
-
Ultrasonic
-

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