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Samsung Galaxy S21 Ultra 5G vs Samsung Galaxy S20 vs Realme X3 SuperZoom

Key Feature Comparison

7.8

Samsung Galaxy S21 Ultra 5G

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7.9

Samsung Galaxy S20

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7.3

Realme X3 SuperZoom

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At a Glance

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Octa core (2.9 GHz, Single core, Cortex X1 + 2.8 GHz, Tri core, Cortex A78 + 2.2 GHz, Quad core, Cortex A55)

Samsung Exynos 2100, Mali-G78 MP14

Octa core (2.73 GHz, Dual core, M5 Mongoose + 2.5 GHz, Dual core, Cortex A76 + 2 GHz, Quad core, Cortex A55)

Samsung Exynos 9 Octa 990, Mali-G77 MP11

Octa core (2.84 GHz, Single core, Kryo 485 + 2.42 GHz, Tri core, Kryo 485 + 1.8 GHz, Quad core, Kryo 485)

Qualcomm Snapdragon 855 Plus, Adreno 640

5000 mAh

Li-ion, Fast, 25W

4000 mAh

Li-ion, Fast, 25W

4200 mAh

Li-ion, Super Dart, 30W

6.8 inches

516 ppi, 2K

6.2 inches

566 ppi, 2K

6.6 inches

399 ppi, FHD

Quad, 108MP + 10MP + 10MP + 12MP

7680x4320 @ 24 fps, 3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 960 fps

Triple, 12MP + 64MP + 12MP

7680x4320 @ 24 fps, 3840x2160 @ 60 fps, 1920x1080 @ 240 fps, 1280x720 @ 960 fps

Quad, 64MP + 8MP + 8MP + 2MP

3840x2160 @ 30 fps

5G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

Detailed Specs

Screen Size

6.8 inches
6.2 inches
6.6 inches

Screen Type

AMOLED
AMOLED
IPS LCD

Screen Resolution

1440 x 3200 pixels
1440 x 3200 pixels
1080 x 2400 pixels

Pixel Density

516 ppi
566 ppi
399 ppi

Aspect Ratio

20:09
20:09
20:09

Screen Protection

Gorilla Glass Victus
Gorilla Glass 6
Gorilla Glass 5

Screen to Body Ratio

89.44%
88.53%
90.50%

Screen Design

Punch hole
Punch hole
Punch hole

Screen Refresh Rate

120 Hz
120 Hz
120 Hz

Screen Quality

2K
2K
FHD

Peak Brightness

1500 nits
-
480 nits

Phone Variants

16GB 512GB, 12GB 256GB
8GB 128GB
8GB 256GB, 12GB 256GB, 8GB 128GB

Expandable Storage

No
Yes
No

Storage Type

UFS 3.1
UFS 3.0
UFS 3.0

OTG Support

Yes
Yes
Yes

RAM Type

-
LPDDR5
LPDDR4X

Expandable Storage Capacity

-
Yes, 1 TB
-

Sensors

Light sensor, Proximity sensor, Accelerometer, Barometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Barometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Operating System

Android v11
Android v10 (Q)
Android v10 (Q)

GPU

Mali-G78 MP14
Mali-G77 MP11
Adreno 640

Chipset

Samsung Exynos 2100
Samsung Exynos 9 Octa 990
Qualcomm Snapdragon 855 Plus

CPU

Octa core (2.9 GHz, Single core, Cortex X1 + 2.8 GHz, Tri core, Cortex A78 + 2.2 GHz, Quad core, Cortex A55)
Octa core (2.73 GHz, Dual core, M5 Mongoose + 2.5 GHz, Dual core, Cortex A76 + 2 GHz, Quad core, Cortex A55)
Octa core (2.84 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
Samsung One UI
Realme UI

Clock Speed

2.9 GHz
2.73 GHz
2.84 GHz

Architecture

64 bit
64 bit
64 bit

Process Technology

5 nm
7 nm
7 nm

Battery Capacity

5000 mAh
4000 mAh
4200 mAh

Battery Removable

No
No
No

Battery Type

Li-ion
Li-ion
Li-ion

Charger Type

Fast, 25W
Fast, 25W
Super Dart, 30W

USB Type-C

Yes
Yes
Yes

Fast Charging

Yes
Yes
Yes

Wireless Charging

Yes
Yes
-

Announced On

14-Jan-21
11-Feb-20
26-May-20

Market Status

Available
Available
Available

Brand

Samsung
Samsung
Realme

Model Number

SM-G998BZKGINU
SM-G980FZIDINU
RMX2085

Price Status

Confirmed
Confirmed
Confirmed

Price

Rs. 93,690
Rs. 54,000
Rs. 21,999

GPS

Yes A-GPS, Glonass
Yes A-GPS, Glonass
Yes A-GPS, Glonass

Audio Features

Dolby AtmosHi-Res AudioNoise cancellation microphoneStereo SpeakersStereo Speakers by AKG
Dolby Atmos, Dolby Digital, Dolby Digital Plus
Dolby Atmos

NFC

Yes
Yes
Yes

Network Support

5G
4G
4G

Bluetooth

Yes
Yes
Yes

FM Radio

No
No
No

3.5mm Audio Jack

No
No
No

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/g/n/n 5GHz, MIMO
Yes, Wi-Fi 802.11, ac/b/g/n/n 5GHz, MIMO

Bluetooth Type

v5.1
v5.0
v5.0

Audio Jack

USB Type-C
USB Type-C
USB Type-C

SIM Slot(s)

Dual SIM, GSM+GSM
Dual SIM, GSM+GSM
Dual SIM, GSM+GSM

eSIM

No
No
No

Wi-Fi Features

Mobile Hotspot
Wi-Fi Direct, Mobile Hotspot
Mobile Hotspot

VoLTE

Yes
Yes
-

SIM 1 Bands

5G Bands: FDD N1 / N3 / N5 / N7 / N8 / N20 / N28 / N66, TDD N38 / N40 / N41 / N77 / N78, 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) / ...
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) / 900(band 8) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...

SIM 2 Bands

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) / 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) / 900(band 8) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...

Front Video Recording

3840x2160 @ 30 fps, 1920x1080 @ 30 fps
3840x2160 @ 30 fps, 1920x1080 @ 30 fps
1920x1080 @ 30 fps, 1280x720 @ 30 fps

Front Camera Features

Dual video call, Auto-HDR
Dual video call, Auto-HDR
Panorama

Front Camera Setup

Single, 40MP
Single, 10MP
Dual, 32MP + 8MP

Front Camera 1 Resolution

40 MP
10 MP
32 MP

Front Camera 1 Type

f/2.2, Wide Angle Primary Camera
f/2.2, Wide Angle, Primary Camera
f/2.5, Wide Angle, Primary Camera

Front Camera 1 Lens

26 mm focal length, 2.8" sensor size, 0.7 micrometre pixel size
26 mm focal length, 3.2" sensor size, 1.22 micrometre pixel size
2.7" sensor size, 0.8 micrometre pixel size

Front Aperture

f/2.2
f/2.2
f/2.5

Front Sensor

-
Exmor RS
Exmor RS

Weight

229 grams
163 grams
202 grams

Colors

Phantom Silver, Phantom Black, Phantom Brown
Cosmic Gray, Cloud Blue, Cloud Pink
Glacier Blue, Arctic White

Build

Back: Gorilla Glass
Back: Gorilla Glass
Back: Mineral Glass

Dimensions

165.1 x 75.6 x 8.9 mm
151.7 x 69.1 x 7.9 mm
163.8 x 75.8 x 8.9 mm

OIS

Yes
Yes
Yes

Rear Flash

Yes, LED Flash
Yes, LED Flash
Yes, LED Flash

Rear Video Recording

7680x4320 @ 24 fps, 3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 960 fps
7680x4320 @ 24 fps, 3840x2160 @ 60 fps, 1920x1080 @ 240 fps, 1280x720 @ 960 fps
3840x2160 @ 30 fps

Rear Camera Features

Digital Zoom, Auto Flash, Face detection, Touch to focus
Digital Zoom, Auto Flash, Face detection, Touch to focus
Digital Zoom, Auto Flash, Face detection, Touch to focus

Rear Camera Setup

Quad, 108MP + 10MP + 10MP + 12MP
Triple, 12MP + 64MP + 12MP
Quad, 64MP + 8MP + 8MP + 2MP

Rear Camera 1 Resolution

108 MP
12 MP
64 MP

Rear Camera 1 Type

f/1.8, Wide Angle Primary Camera
f/1.8, Wide Angle (79 degree field-of-view), Primary Camera
f/1.8, Wide Angle (78 degree field-of-view), Primary Camera

Rear Camera 1 Lens

26 mm focal length, 1.33" sensor size, 0.8 micrometre pixel size
26 mm focal length, 1.7" sensor size, 1.8 micrometre pixel size
26 mm focal length, 1.7" sensor size, 0.8 micrometre pixel size

Rear Camera 2 Resolution

10 MP
64 MP
8 MP

Rear Camera 2 Type

f/4.9 Periscope (upto 10x Optical Zoom) Camera
f/2.0, Telephoto Camera
f/3.4, Periscope Camera

Rear Camera 2 Lens

240 mm focal length, 3.24" sensor size, 1.22 micrometre pixel size
0.8 micrometre pixel size
124 mm focal length, 1 micrometre pixel size

Rear Camera 3 Resolution

10 MP
12 MP
8 MP

Rear Camera 3 Type

f/2.4 Telephoto (upto 3x Optical Zoom) Camera
f/2.2, Ultra-Wide Angle Camera
f/2.3, Ultra-Wide Angle Camera

Rear Camera 3 Lens

70 mm focal length, 3.24" sensor size, 1.22 micrometre pixel size
13 mm focal length, 1.4 micrometre pixel size
16 mm focal length, 4.0" sensor size, 1.12 micrometre pixel size

Rear Camera 4 Resolution

12 MP
-
2 MP

Rear Camera 4 Type

f/2.2, Wide Angle, Ultra-Wide Angle Camera
-
f/2.4, Macro Camera

Rear Camera 4 Lens

13 mm focal length, 2.55" sensor size, 1.4 micrometre pixel size
-
21.8 mm focal length, 5.0" sensor size, 1.75 micrometre pixel size

Rear Aperture

f/1.8
f/1.8
f/1.8

Rear Sensor

-
CMOS image sensor, Exmor-RS CMOS Sensor
ISOCELL Plus

Fingerprint Scanner

Yes
Yes
Yes

Fingerprint Scanner Position

On-Screen
On-Screen
Side

Fingerprint Scanner Type

Ultrasonic
Ultrasonic
-

Face Unlock

Yes
Yes
Yes
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