Samsung Galaxy M51 vs Redmi K20
Key Feature Comparison
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At a Glance
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Octa core (2.2 GHz, Dual core, Kryo 470 + 1.8 GHz, Hexa Core, Kryo 470)
Octa core (2.2 GHz, Dual core, Kryo 470 + 1.8 GHz, Hexa Core, Kryo 470)
7000 mAh
4000 mAh
6.7 inches
6.39 inches
Quad, 64MP + 12MP + 5MP + 5MP
Triple, 48MP + 13MP + 8MP
4G
4G
Detailed Specs
Screen Size
6.7 inches
6.39 inches
Screen Type
Super AMOLED
AMOLED
Screen Resolution
1080 x 2400 pixels
1080 x 2340 pixels
Pixel Density
393 ppi
403 ppi
Aspect Ratio
20:09
19.5:9
Screen Protection
Gorilla Glass 3
Gorilla Glass 5
Screen to Body Ratio
91%
91.90%
Screen Design
Punch hole
Bezel-less
Screen Quality
FHD
FHD
Peak Brightness
420 nits
-
Phone Variants
8GB 128GB, 6GB 128GB
6GB 128GB, 6GB 64GB
Expandable Storage
Yes
No
RAM Type
LPDDR4X
LPDDR4X
Storage Type
UFS 2.1
UFS 2.1
Expandable Storage Capacity
Yes, 512 GB
-
OTG Support
-
Yes
Sensors
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Operating System
Android v10 (Q)
Android v9.0 (Pie)
GPU
Adreno 618
Adreno 618
Chipset
Qualcomm Snapdragon 730G
Qualcomm Snapdragon 730
CPU
Octa core (2.2 GHz, Dual core, Kryo 470 + 1.8 GHz, Hexa Core, Kryo 470)
Octa core (2.2 GHz, Dual core, Kryo 470 + 1.8 GHz, Hexa Core, Kryo 470)
Custom User Interface
Samsung One UI
MIUI
Clock Speed
2.2 GHz
2.2 GHz
Architecture
64 bit
64 bit
Process Technology
8 nm
8 nm
Battery Capacity
7000 mAh
4000 mAh
Battery Removable
No
No
Battery Type
Li-ion
Li-Polymer
Charger Type
Fast, 25W
Quick, v3.0, 18W
USB Type-C
Yes
Yes
Fast Charging
Yes
Yes
Announced On
31-Aug-20
5-May-19
Market Status
Available
Available
Brand
Samsung
Xiaomi
Model Number
SM-M515FZBEINS
MZB7756IN
Price Status
Confirmed
Confirmed
Price
Rs. 19,999
Rs. 19,450
GPS
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Audio Features
Dolby Atmos
24-bit/192kHz audioActive noise cancellation with dedicated mic
NFC
Yes
Yes
Network Support
4G
4G
Bluetooth
Yes
Yes
3.5mm Audio Jack
Yes
Yes
SIM Size
SIM1: Nano, SIM2: Nano
SIM1: Nano, SIM2: Nano
Wi-Fi
Yes, Wi-Fi 802.11, a/ac/b/g/n/n 5GHz
Yes, Wi-Fi 802.11, ac/b/g/n, MIMO
Bluetooth Type
v5.0
v5.0
Audio Jack
3.5 mm
3.5 mm
SIM Slot(s)
Dual SIM, GSM+GSM
Dual SIM, GSM+GSM, Dual VoLTE
eSIM
No
No
Wi-Fi Features
Wi-Fi Direct, Mobile Hotspot
Wi-Fi Direct, Mobile Hotspot
VoLTE
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), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDG...
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), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDG...
Front Video Recording
1920x1080 @ 30 fps
1920x1080 @ 30 fps, 1280x720 @ 30 fps
Front Camera Features
HDR
HDR
Front Camera Setup
Single, 32MP
Single, 20MP
Front Camera 1 Resolution
32 MP
20 MP
Front Camera 1 Type
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
0.8 micrometre pixel size
Front Sensor
Exmor RS
-
Front Aperture
f/2.2
f/2.2
Front Flash
No
-
Weight
213 grams
191 grams
Colors
Celestial Black, Electric Blue
Carbon Black, Flame Red, Glacier Blue, Pearl White
Build
Back: Plastic
Back: Gorilla Glass
Dimensions
163.9 x 76.3 x 9.5 mm
156.7 x 74.3 x 8.8 mm
SAR Value
Head: 1.381 W/kg
Head: 1.07 W/kg, Body: 0.723 W/kg
OIS
No
-
Rear Flash
Yes, LED Flash
Yes, Dual LED Flash
Rear Video Recording
3840x2160 @ 30 fps, 1920x1080 @ 30 fps
3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 120 fps
Rear Camera Features
8 x Digital Zoom, Auto Flash, Face detection, Touch to focus
Auto Flash, Face detection, Touch to focus
Rear Camera Setup
Quad, 64MP + 12MP + 5MP + 5MP
Triple, 48MP + 13MP + 8MP
Rear Camera 1 Resolution
64 MP
48 MP
Rear Camera 1 Type
f/1.8 (upto 8x Digital Zoom), Wide Angle Primary Camera
f/1.75 Primary Camera
Rear Camera 1 Lens
26 mm focal length, 1.7" sensor size, 0.8 micrometre pixel size
2" sensor size, 0.8 micrometre pixel size
Rear Camera 2 Resolution
12 MP
13 MP
Rear Camera 2 Type
f/2.2, Wide Angle, Ultra-Wide Angle Camera
f/2.4, Wide Angle, Ultra-Wide Angle Camera
Rear Camera 3 Resolution
5 MP
8 MP
Rear Camera 3 Type
f/2.4, Macro Camera
f/2.4 Telephoto (upto 10x Digital Zoom, upto 2x Optical Zoom) Camera
Rear Camera 4 Resolution
5 MP
-
Rear Camera 4 Type
f/2.4, Depth Camera
-
Rear Sensor
Exmor-RS CMOS Sensor, ISOCELL Plus
Exmor-RS CMOS Sensor
Rear Aperture
f/1.8
f/1.75
Rear Camera 2 Lens
-
3" sensor size, 1.12 micrometre pixel size
Rear Camera 3 Lens
-
4.0" sensor size, 1.12 micrometre pixel size
Fingerprint Scanner
Yes
Yes
Fingerprint Scanner Position
Side
On-Screen
Face Unlock
Yes
Yes
Fingerprint Scanner Type
-
Optical