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OPPO K9 vs Vivo V21 5G vs Samsung Galaxy M51

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Last Updated: 
8th May 2021

Key Feature Comparison

OPPO K9
Vivo V21 5G
₹29,990
Samsung Galaxy M51
₹20,999
8/10
OPPO K9
OPPO K9
VS
Vivo V21 5G
Vivo V21 5G
₹29,990
VS
Samsung Galaxy M51
Samsung Galaxy M51
8/10
₹20,999
8/10
Display
Screen Size
6.43 inches
6.44 inches
6.7 inches
Screen Type
Super AMOLED
AMOLED
Super AMOLED Plus
Screen Resolution
1080 x 2400 pixels
1080 x 2404 pixels
1080 x 2400 pixels
Pixel Density
409 ppi
409 ppi
393 ppi
Aspect Ratio
20:09
20:09
20:09
Screen to Body Ratio
91.70%
84.90%
91%
Screen Design
Punch-Hole Display
Waterdrop Notch
Punch-Hole Display
Screen Refresh Rate
90 Hz
90 Hz
-
Screen Quality
FHD
FHD
FHD
Peak Brightness
750 nits
800 nits
420 nits
Performance
Operating System
Android v11
Android v11
Android v10 (Q)
GPU
Adreno 620
Mali-G57 MC3
Adreno 618
Chipset
Qualcomm Snapdragon 768G
MediaTek Dimensity 800U MT6853V
Qualcomm Snapdragon 730G
CPU
Octa core (2.8 GHz, Single core, Kryo 475 + 2.2 GHz, Single core, Kryo 475 + 1.8 GHz, Hexa Core, Kryo 475)
Octa core (2.4 GHz, Dual core, Cortex A76 + 2 GHz, Hexa Core, Cortex A55)
Octa core (2.2 GHz, Dual core, Kryo 470 + 1.8 GHz, Hexa Core, Kryo 470)
Custom User Interface
ColorOS
Funtouch OS
Samsung One UI
Clock Speed
2.8 GHz
2.4 GHz
2.2 GHz
Architecture
64 bit
64 bit
64 bit
Process Technology
7 nm
7 nm
8 nm
Battery
Battery Capacity
4300 mAh
4000 mAh
7000 mAh
Battery Removable
No
No
No
Battery Type
Li-ion
Li-ion
Li-ion
Charger Type
Fast, 65W
Flash, 33W
Fast, 25W
USB Type-C
Yes
Yes
Yes
Fast Charging
Yes
Yes
Yes
Charging Time
100 % in 35 minutes
63 % in 30 minutes
-
Memory & Storage
Phone Variants
8GB 128GB
8GB 128GB, 8GB 256GB
128GB 6GB RAM, 128GB 8GB RAM
Expandable Storage
No
Yes
Yes
RAM Type
LPDDR4X
LPDDR4X
LPDDR4X
Storage Type
UFS 2.1
UFS 2.2
UFS 2.1
OTG Support
No
Yes
-
Expandable Storage Capacity
-
Yes, 1 TB
Yes, 512 GB
General
Announced On
6-May-2021
29-Apr-21
31-Aug-20
Market Status
Upcoming
Available
Available
Brand
OPPO
Vivo
Samsung
Price Status
Expected
Confirmed
Confirmed
Price
Rs. 22,890
Rs. 29,990
Rs. 22,990
Model Number
-
PD2083F_EX
-
Miscellaneous Features
Sensors
Light sensor, Proximity sensor, Accelerometer, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Network & Connectivity
GPS
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Yes A-GPS, Glonass
NFC
Yes
No
Yes
Bluetooth
Yes
Yes
Yes
3.5mm Audio Jack
Yes
No
Yes
Bluetooth Type
v5.1
v5.1
v5.0
Audio Jack
3.5 mm
USB Type-C
3.5 mm
FM Radio
-
No
-
Design
Weight
172 grams
176 grams
213 grams
Colors
Spade Black, Gradient Symphony
Arctic White, Sunset Dazzle, Dusk Blue
Celestial Black, Electric Blue
Dimensions
159.1 x 73.4 x 7.9 mm
159.6 x 73.9 x 7.3 mm
163.9 x 76.3 x 9.5 mm
SAR Value
-
Head: 1.05 W/kg, Body: 0.87 W/kg
Head: 1.381 W/kg
Network
Network Support
5G supported by device (network not rolled-out in India), 4G (supports Indian bands), 3G, 2G
5G supported by device (network not rolled-out in India), 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, ac/b/g/n/n 5GHz
Yes, Wi-Fi 802.11, a/ac/b/g/n
Yes, Wi-Fi 802.11, a/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
Mobile Hotspot
Mobile Hotspot
Wi-Fi Direct, Mobile Hotspot
VoLTE
Yes
Yes
Yes
SIM 1 Bands
4G Bands: TD-LTE 2300(band 40), FD-LTE 1800(band 3), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 1900(band 2) / 1700(band 4) / 850(band 5), 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 17) / 800(band 20) / 850(band 26), 3G Bands: UMTS 19...
SIM 2 Bands
4G Bands: TD-LTE 2300(band 40), FD-LTE 1800(band 3), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 1900(band 2) / 1700(band 4) / 850(band 5), 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 17) / 800(band 20) / 850(band 26), 3G Bands: UMTS 19...
Rear Camera
Rear Flash
Yes, LED Flash
Yes, LED Flash
Yes, LED Flash
Rear Camera Features
Digital Zoom, Auto Flash, Face detection, Touch to focus
Digital Zoom, Auto Flash, Face detection, Touch to focus
8 x Digital Zoom, Auto Flash, Face detection, Touch to focus
Rear Camera Setup
Triple, 64MP + 8MP + 2MP
Triple, 64MP + 8MP + 2MP
Quad, 64MP + 12MP + 5MP + 5MP
Rear Camera 1 Resolution
64 MP
64 MP
64 MP
Rear Camera 1 Type
f/1.7 Primary Camera
f/1.79, Wide Angle Primary Camera
f/1.8 (upto 8x Digital Zoom), Wide Angle Primary Camera
Rear Camera 2 Resolution
8 MP
8 MP
12 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 3 Resolution
2 MP
2 MP
5 MP
Rear Camera 3 Type
f/2.4, Macro Camera
f/2.4, Macro Camera
f/2.4, Macro Camera
Rear Aperture
f/1.7
f/1.79
f/1.8
OIS
-
Yes
No
Rear Video Recording
-
3840x2160 @ 30 fps, 1920x1080 @ 30 fps
3840x2160 @ 30 fps, 1920x1080 @ 30 fps
Rear Camera 1 Lens
-
26 mm focal length, 1.7" sensor size, 0.8 micrometre pixel size
26 mm focal length, 1.7" sensor size, 0.8 micrometre pixel size
Rear Camera 2 Lens
-
16 mm focal length, 4.0" sensor size, 1.12 micrometre pixel size
-
Front Camera
Front Camera Setup
Single, 32MP
Single, 44MP
Single, 32MP
Front Camera 1 Resolution
32 MP
44 MP
32 MP
Front Camera 1 Type
f/2.4 Primary Camera
f/2.0, Wide Angle Primary Camera
f/2.2, Wide Angle Primary Camera
Front Aperture
f/2.4
f/2.0
f/2.2
Front Video Recording
-
3840x2160 @ 30 fps
1920x1080 @ 30 fps
Front Camera Features
-
OIS, Auto Focus
HDR
Front Flash
-
Yes, Dual LED
No
Sensors
Fingerprint Scanner
Yes
Yes
Yes
Fingerprint Scanner Position
On-screen
On-screen
Side
Fingerprint Scanner Type
Optical
Optical
-

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