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Samsung Galaxy S21 vs OnePlus 9 Pro

Compare Samsung Galaxy S21

Rs. 22,999
(Discontinued)

 

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Rs. 40,000
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Rs. 46,649

 

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Summary
Performance

Samsung Exynos 2100

Octa Core (upto 2.9 GHz)

8 GB RAM

Snapdragon 888

Octa Core (upto 2.84 GHz)

8 GB RAM

MediaTek Dimensity 7400X

Octa Core (upto 2.6 GHz)

8 GB RAM

Main Display

6.2" (15.75 cm)

Dynamic AMOLED 2x

1080x2400 px (FHD+)

120 Hz Refresh Rate

6.7" (17.02 cm)

Fluid AMOLED

1440x3216 px (QHD+)

120 Hz Refresh Rate

6.9" (17.53 cm)

P-OLED

1080x2640 px (FHD)

120 Hz Refresh Rate

Cover Display

N/A

N/A

3.6" (9.14 cm)

1056x1066 px

Rear Camera

12 MP Wide Angle Primary Camera

64 MP Telephoto Camera (upto 1.1x Optical Zoom)

12 MP Ultra-Wide Angle Camera

N/A

48 MP Wide Angle Primary Camera

50 MP Ultra-Wide Angle Camera

8 MP Telephoto Camera

2 MP Mono Camera

50 MP Wide Angle Primary Camera

13 MP Ultra-Wide Angle Camera

N/A

N/A

Front Camera

10 MP Wide Angle Lens

16 MP Wide Angle Lens

32 MP Wide Angle Lens

Battery

4000 mAh

25W Fast Charging

Wireless Charging

4500 mAh

65W Warp Charging

Wireless Charging

4500 mAh

30W Turbo Power Charging

Wireless Charging

Storage

128 GB

UFS 3.1

128 GB

UFS 3.1

256 GB

UFS 2.2

Expert Rating

4.0/5

Read Expert Review

4.0/5

Read Expert Review

7.8/10

Read Expert Review

User Ratings

★★★★★
★★★★★

4.2/5 based on 740 ratings

★★★★★
★★★★★

4.2/5 based on 12,463 ratings

★★★★★
★★★★★

4.5/5 based on 224 ratings

Benchmarks

639,170AnTuTu Score

8h 22m Battery Life (PC Mark)

697,091AnTuTu Score

9h 53m Battery Life (PC Mark)

676,447AnTuTu Score

9h 56m Battery Life (PC Mark)

Compare Prices
Samsung Galaxy S21 is permanently discontinued.
Not Available in any store
Notify me when it's available
Rs. 49,940 @Amazon Buy
Not available in any other store
General
Launch Date

March 31, 2021 (Official)

June 4, 2025 (Official)

Operating System

Android v11

Android v11

Android v15

OS Updates

3 Years

Security Updates

4 Years

Custom UI

Samsung One UI

Oxygen OS

Performance
Very Good
Very Good
Very Good
Chipset

Samsung Exynos 2100

Qualcomm Snapdragon 888

MediaTek Dimensity 7400X

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 (2.84 GHz, Single core, Kryo 680 + 2.42 GHz, Tri core, Kryo 680 + 1.8 GHz, Quad core, Kryo 680)

Octa core (2.6 GHz, Quad core, Cortex A78 + 2 GHz, Quad core, Cortex A55)

Architecture

64 bit

64 bit

64 bit

Fabrication

5 nm

5 nm

4 nm

Graphics (GPU)

Mali-G78 MP14

Adreno 660

Mali-G615 MC2

RAM

8 GB

8 GB / 12 GB

8 GB

RAM Type

LPDDR5

LPDDR5

LPDDR4X

Display
Main Display
Excellent
Excellent
Excellent
Display Type

Dynamic AMOLED 2x

Fluid AMOLED

P-OLED

Screen Size

6.2 " (15.75 cm)

6.7 " (17.02 cm)

6.9 " (17.53 cm)

Resolution

1080x2400 px (FHD+)

1440x3216 px (QHD+)

1080x2640 px (FHD)

Brightness

1300 nits

1300 nits

HBM Brightness

2000 nits

Refresh Rate

120 Hz

120 Hz

120 Hz

Aspect Ratio

20:9

20:9

22:9

Pixel Density

424 ppi

526 ppi

413 ppi

Screen to Body Ratio (calculated)

85.92 %

90.23 %

85.06 %

Screen Protection

Corning Gorilla Glass, Glass Victus

Corning Gorilla Glass v5

Bezel-less Display

with punch-hole display

with punch-hole display

with punch-hole display

HDR 10 / HDR+ Support

, HDR 10+

, HDR 10+

, HDR 10+

Screen to Body Ratio (claimed by the brand)

85.33 %

Cover Display
Display Type

P-OLED

Screen Size

3.6 " (9.14 cm)

Resolution

1056x1066 px

Refresh Rate

90 Hz

Screen Protection

Corning Gorilla Glass, Glass Victus

Design
Size Compare
Dimensions

Unfolded: 171.30 x 73.99 x 7.25 mm
Folded: 88.08 x 73.99 x 15.85 mm

Weight

169 grams

197 grams

188 grams

Build Material

Back: Plastic

Back: Gorilla Glass

Back: Leather

Form Factor

Clamshell

Durability

, Water resistant, IP68, (up to 30 minutes in a depth of 1.5 meter)

, Water resistant, IP68, (up to 30 minutes in a depth of 1.5 meter)

, Water resistant, IP48, (up to 30 minutes in a depth of 1.5 meter)

Ruggedness

Dust proof

Dust proof

Dust proof

Camera
Main Camera
Resolution

12 MP Primary Camera,f/1.8, Wide Angle(26 mm focal length, 1/1.7" sensor size, 1.8µm pixel size)64 MP f/2.0, Telephoto Camera(28 mm focal length, 1/1.7" sensor size, 0.8µm pixel size)12 MP f/2.2, Ultra-Wide Angle Camera(13 mm focal length, 1/2.55" sensor size, 1.4µm pixel size)

48 MP Primary Camera,f/1.8, Wide Angle(23 mm focal length, 1/1.4" sensor size, IMX789, Exmor-RS CMOS Sensor, 1.12µm pixel size)50 MP f/2.2, Ultra-Wide Angle Camera(14 mm focal length, 1/1.56" sensor size, 1µm pixel size)8 MP f/2.4, Telephoto Camera(77 mm focal length, 1µm pixel size)2 MP f/2.4, Mono Camera

50 MP Primary Camera,f/1.79, Wide Angle(25 mm focal length, 1/1.95" sensor size, 0.8µm pixel size)13 MP f/2.2, Ultra-Wide Angle Camera(1/3" sensor size, 1.12µm pixel size)

Autofocus

, Phase Detection autofocus, Dual Pixel autofocus

, Phase Detection autofocus, Continuous autofocus, Laser autofocus

OIS

Flash

, LED Flash

, Dual LED Flash

, LED Flash

Image Resolution

4000 x 3000 Pixels

8000 x 6000 Pixels

8150 x 6150 Pixels

Settings

Exposure compensation, ISO control

Exposure compensation, ISO control

Exposure compensation, ISO control

Shooting Modes

Continuous Shooting
High Dynamic Range mode (HDR)

Continuous Shooting
High Dynamic Range mode (HDR)

Continuous Shooting
High Dynamic Range mode (HDR)
Macro Mode

Camera Features

Digital Zoom
Auto Flash
Face detection
Touch to focus

Digital Zoom
Auto Flash
Face detection
Filters
Focus Tracking
Touch to focus

Digital Zoom
Auto Flash
Face detection
Filters
Touch to focus

Video Recording

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

7680x4320 @ 30 fps
3840x2160 @ 60 fps
1920x1080 @ 240 fps
1280x720 @ 480 fps

3840x2160 @ 30 fps
1920x1080 @ 120 fps
1280x720 @ 240 fps

Video Recording Features

Slow Motion
Bokeh portrait video
Video Pro Mode
Stereo recording

Super Stable
Video HDR
Bokeh portrait video

Dual Video Recording
Slow Motion

Front Camera
Excellent
Very Good
Excellent
Resolution

10 MP f/2.2, Wide Angle, Primary Camera(26 mm focal length, 1/3.2" sensor size, 1.22µm pixel size)

16 MP f/2.4, Wide Angle, Primary Camera(1/3" sensor size, Exmor RS, 1µm pixel size)

32 MP f/2.4, Wide Angle, Primary Camera(25 mm focal length, 1/3.14" sensor size, 0.7µm pixel size)

Autofocus

, Phase Detection autofocus

Flash

, Screen flash

Camera Features

Fixed Focus

Video Recording

3840x2160 @ 30 fps

1920x1080 @ 30 fps

3840x2160 @ 30 fps
1920x1080 @ 60 fps

Battery
Excellent
Very Good
Excellent
Capacity

4000 mAh

4500 mAh

4500 mAh

Battery Type

Li-ion

Li-ion

Li-ion

TalkTime

Up to 33 Hours(4G)

Quick Charging

, 25W Fast Charging

, 65W Warp Charging, 100% in 29 minutes

, 30W Turbo Power Charging

Wireless Charging

, Charging Time: 43 minutes

, 15W Wireless Charging

Wireless Reverse Charging

Storage
Internal Storage

128 GB / 256 GB

128 GB / 256 GB

256 GB

Storage Type

UFS 3.1

UFS 3.1

UFS 2.2

External Storage

No

No

No

Network & Connectivity
SIM Slot(s)

Dual SIM

Dual SIM

Dual SIM

SIM Type

SIM1: Nano, SIM2: Nano

SIM1: Nano, SIM2: Nano

SIM1: Nano, SIM2: eSIM

Network Support

5G, 4G

5G, 4G

5G, 4G

VoLTE

SIM 1

5G Bands:
FDD N1 / N3 / N5 / N7 / N8 / N20 / N28
TDD N38 / N40 / N41 / N66 / 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) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 1900(band 25) / 850(band 26)
Read More..

5G Bands:
TDD N41 / N78
4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 850(band 26)
Read More..

5G Bands:
FDD N1 / N2 / N3 / N5 / N7 / N8 / N20 / N26 / N28
TDD N38 / N40 / N41 / N66 / N75 / N77 / N78
4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39) / 3500(band 42) / 3700(band 43)
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) / 1700(band 66) / 700(band 13) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 1900(band 25) / 850(band 26) / 700(band 12)
Read More..

SIM 2

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) / 850(band 19) / 800(band 20) / 1900(band 25) / 850(band 26)
Read More..

4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 850(band 26)
Read More..

5G Bands:
FDD N1 / N2 / N3 / N5 / N7 / N8 / N20 / N26 / N28
TDD N38 / N40 / N41 / N66 / N75 / N77 / N78
4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39) / 3500(band 42) / 3700(band 43)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 700(band 12) / 1900(band 2) / 1700(band 4) / 1700(band 66) / 850(band 5) / 700(band 13) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 1900(band 25) / 850(band 26)
Read More..

SAR Value

Head: 0.74 W/kg, Body: 1.08 W/kg

Head: 1.11 W/kg, Body: 0.91 W/kg

Wi-Fi

, Wi-Fi 6 (802.11 a/b/g/n/ac/ax) 5GHz, MIMO

, Wi-Fi 6 (802.11 a/b/g/n/ac/ax), MIMO

, Wi-Fi 6E (802.11 a/b/g/n/ac/ax) 5GHz 6GHz

Wi-Fi Features

Wi-Fi Direct, Mobile Hotspot

Mobile Hotspot

Mobile Hotspot

Bluetooth

, v5.0

, v5.2

, v5.4

GPS

with A-GPS, Glonass

with A-GPS, Glonass

with A-GPS, Glonass

NFC

Multimedia
Stereo Speakers

Audio Jack

USB Type-C

USB Type-C

USB Type-C

Audio Features

Dolby Atmos

Dolby Atmos

Sensors
Fingerprint Sensor

Fingerprint Sensor Position

On-screen

On-screen

Side

Fingerprint Sensor Type

Ultrasonic

Optical

Other Sensors

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

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Price List

Not Available
Not Available
Rs. 49,940
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