Samsung Galaxy M51 vs Redmi K20 vs Redmi K20 Pro
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Last Updated:
8th Jan 2021
Key Feature Comparison
Samsung Galaxy M51
₹22,999
8/10
Xiaomi Redmi K20
₹18,990
8/10
Xiaomi Redmi K20 Pro
₹22,999
8/10
Samsung Galaxy M51
8/10
₹22,999
8/10
VS
Xiaomi Redmi K20
8/10
₹18,990
8/10
VS
Xiaomi Redmi K20 Pro
8/10
₹22,999
8/10
Display
Screen Size
6.7 inches
6.39 inches
6.39 inches
Screen Type
Super AMOLED Plus
AMOLED
AMOLED
Screen Resolution
1080 x 2400 pixels
1080 x 2340 pixels
1080 x 2340 pixels
Pixel Density
393 ppi
403 ppi
403 ppi
Aspect Ratio
20:09
19.5:9
19.5:9
Screen Protection
Corning Gorilla Glass v3
Corning Gorilla Glass v5
Corning Gorilla Glass v5
Screen to Body Ratio
91%
91.90%
91.90%
Screen Design
Punch-Hole Display
Bezel-less
Bezel-less
Screen Quality
FHD
FHD
FHD
Peak Brightness
420 nits
-
-
Miscellaneous Features
Sensors
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Performance
GPU
Adreno 618
Adreno 618
Adreno 640
Operating System
Android v10 (Q)
Android v9.0 (Pie)
Android v9.0 (Pie)
Chipset
Qualcomm Snapdragon 730G
Qualcomm Snapdragon 730
Qualcomm Snapdragon 855
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)
Octa core (2.84 GHz, Single core, Kryo 485 + 2.42 GHz, Tri core, Kryo 485 + 1.8 GHz, Quad core, Kryo 485)
Custom User Interface
Samsung One UI
MIUI
MIUI
Clock Speed
2.2 GHz
2.2 GHz
2.84 GHz
Architecture
64 bit
64 bit
64 bit
Memory & Storage
Phone Variants
128GB 6GB RAM, 128GB 8GB RAM
64GB 6GB RAM, 128GB 6GB RAM
128GB 6GB RAM, 256GB 8GB RAM
Expandable Storage
Yes
No
No
RAM Type
LPDDR4X
LPDDR4X
LPDDR4X
Storage Type
UFS 2.1
UFS 2.1
UFS 2.1
Expandable Storage Capacity
Yes, 512 GB
-
-
OTG Support
-
Yes
Yes
General
Announced On
31-Aug-20
5-May-19
28-May-19
Market Status
Available
Available
Available
Brand
Samsung
Xiaomi
Xiaomi
Price Status
Confirmed
Confirmed
Confirmed
Price
Rs. 22,990
Rs. 19,450
Rs. 24,999
Battery
Battery Capacity
7000 mAh
4000 mAh
4000 mAh
Battery Removable
No
No
No
Battery Type
Li-ion
Li-Polymer
Li-Polymer
Charger Type
Fast, 25W
Quick, v3.0, 18W
Quick, v4.0
USB Type-C
Yes
Yes
Yes
Fast Charging
Yes
Yes
Yes
Network & Connectivity
GPS
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Audio Features
Dolby Atmos
24-bit/192kHz audioActive noise cancellation with dedicated mic
24-bit/192kHz audioActive noise cancellation with dedicated mic
NFC
Yes
Yes
No
Bluetooth
Yes
Yes
Yes
3.5mm Audio Jack
Yes
Yes
Yes
Bluetooth Type
v5.0
v5.0
v5.0
Audio Jack
3.5 mm
3.5 mm
3.5 mm
Front Camera
Front Video Recording
1920x1080 @ 30 fps
1920x1080 @ 30 fps, 1280x720 @ 30 fps
1920x1080 @ 30 fps, 1280x720 @ 30 fps
Front Camera Features
HDR
HDR
HDR
Front Camera Setup
Single, 32MP
Single, 20MP
Single, 20MP
Front Camera 1 Resolution
32 MP
20 MP
20 MP
Front Camera 1 Type
f/2.2, Wide Angle Primary Camera
f/2.2 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
0.8 micrometre pixel size
Front Sensor
Exmor RS
-
-
Front Flash
No
-
-
Design
Weight
213 grams
191 grams
191 grams
Colors
Celestial Black, Electric Blue
Carbon Black, Flame Red, Glacier Blue, Pearl White
Flame Red, Glacier Blue, Carbon Fiber Black, Pearl White
Build
Back: Plastic
Back: Gorilla Glass
Back: Gorilla Glass
Dimensions
163.9 x 76.3 x 9.5 mm
156.7 x 74.3 x 8.8 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
Head: 1.03 W/kg, Body: 0.72 W/kg
Rear Camera
OIS
No
-
No
Rear Flash
Yes, LED Flash
Yes, Dual LED Flash
Yes, Dual LED Flash
Rear Video Recording
3840x2160 @ 30 fps, 1920x1080 @ 30 fps
3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 120 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
Auto Flash, Face detection, Touch to focus
Rear Camera Setup
Quad, 64MP + 12MP + 5MP + 5MP
Triple, 48MP + 13MP + 8MP
Triple, 48MP + 13MP + 8MP
Rear Camera 1 Resolution
64 MP
48 MP
48 MP
Rear Camera 1 Type
f/1.8 (upto 8x Digital Zoom), Wide Angle Primary Camera
f/1.75 Primary Camera
f/1.75, Wide Angle 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
2" sensor size, 0.8 micrometre pixel size
Rear Camera 2 Resolution
12 MP
13 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
f/2.4, Wide Angle, Ultra-Wide Angle Camera
Rear Camera 3 Resolution
5 MP
8 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
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
Exmor-RS CMOS Sensor
Rear Camera 2 Lens
-
3" sensor size, 1.12 micrometre pixel size
3" sensor size, 1.12 micrometre pixel size
Rear Camera 3 Lens
-
4.0" sensor size, 1.12 micrometre pixel size
4.0" sensor size, 1.12 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
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
Yes, Wi-Fi 802.11, a/ac/b/g/n
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) / 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...
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...
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...
Sensors
Fingerprint Scanner
Yes
Yes
Yes
Fingerprint Scanner Position
Side
On-screen
On-screen
Fingerprint Scanner Type
-
Optical
Optical
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