Samsung Galaxy S21 Ultra vs OnePlus 12

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Comparing the Samsung Galaxy S21 Ultra vs OnePlus 12 across performance, display, camera, battery, storage, expert reviews and user rating to help determine the better smartphone.

Here is the summary of the results:

Performance: OnePlus 12 scores higher on the Geekbench Multi-Core test with 5,011, while Samsung Galaxy S21 Ultra scores 3,536, making OnePlus 12 the better performer.


Display: OnePlus 12 offers a screen size of 6.82 inches, while Samsung Galaxy S21 Ultra offers 6.8 inches, making OnePlus 12 the larger display of the two. Samsung Galaxy S21 Ultra features a Dynamic AMOLED 2x display compared to OnePlus 12's ProXDR LTPO, making Samsung Galaxy S21 Ultra the better display of the two.


Rear Camera: Samsung Galaxy S21 Ultra offers a higher rear camera resolution with 108 MP, while OnePlus 12 offers 50 MP, making Samsung Galaxy S21 Ultra better for rear camera photography.


Front Camera: Samsung Galaxy S21 Ultra offers a higher front camera resolution with 40 MP, while OnePlus 12 offers 32 MP, making Samsung Galaxy S21 Ultra better for front camera photography.


Battery: OnePlus 12 delivers longer battery life with 11h 24m, while Samsung Galaxy S21 Ultra delivers 10h 37m, making OnePlus 12 the better pick for all day usage.


Storage: Both Samsung Galaxy S21 Ultra and OnePlus 12 offer the same internal storage of 256 GB.


Expert Review: The editorial team rates both Samsung Galaxy S21 Ultra and OnePlus 12 equally at 8.


User Rating: OnePlus 12 receives a higher user rating of 4.5, while Samsung Galaxy S21 Ultra has a rating of 4.2.

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Samsung Galaxy S21 Ultra
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Summary

Release Date

27 Jan, 2021
23 Jan, 2024
06 May, 2026

Performance

Samsung Exynos 2100
Snapdragon 8 Gen 3
Snapdragon 8 Gen 5
Octa Core (upto 2.9 GHz)
Octa Core (upto 3.3 GHz)
Octa Core (upto 3.8 GHz)
12 GB RAM
12 GB RAM
12 GB RAM

Display

6.8 inches (17.27 cm)
6.82 inches (17.32 cm)
6.31 inches (16.03 cm)
Dynamic AMOLED 2x
ProXDR LTPO
AMOLED
1440x3200 px (QHD+)
1440x3168 px (QHD+)
1216x2640 px (FHD+)
120 Hz Refresh Rate
120 Hz Refresh Rate
120 Hz Refresh Rate

Rear Camera

108 MP
Wide Angle Primary Camera
50 MP
Wide Angle Primary Camera
50 MP
Primary Camera
12 MP
Ultra-Wide Angle Camera
48 MP
Ultra-Wide Angle Camera
50 MP
Telephoto Camera (upto 3x Optical Zoom)
10 MP
Telephoto Camera (upto 3x Optical Zoom)
64 MP
Periscope Camera (upto 3x Optical Zoom)
8 MP
Ultra-Wide Angle Camera
10 MP
Camera (upto 10x Optical Zoom)
N/A
N/A

Front Camera

40 MP
Wide Angle Lens
32 MP
Wide Angle Lens
50 MP

Battery

5000 mAh
5400 mAh
6500 mAh
25W Fast Charging
100W Super VOOC Charging
90W Flash Charging
Wireless Charging
Wireless Charging
Wireless Charging

Storage

256 GB
256 GB
256 GB
UFS 3.1
UFS 4.0
UFS 4.1

Expert Review

8.0/10
8.0/10
8.4/10

Pros

  • Flagship-grade performance
  • Great cameras
  • Stunning display
  • Long-lasting battery life
  • Vivid display
  • Clean Android 14 experience
  • Reliable telephoto camera
  • Solid battery backup
  • Compact, premium design
  • Excellent battery life
  • Reliable performance
  • Strong portrait photography

Cons

  • Uneven weight distribution
  • No expandable storage
  • Purple-sky effect in lowlight scenarios
  • Bulky design
  • Average ultra-wide camera
  • Video recording inconsistencies
  • Colours can be slightly oversaturated

User Ratings

4.2/5
(1,169 ratings)
4.5/5
(6,336 ratings)
4.5/5
(140 ratings)

Benchmarks (The higher, the better)

646,482
AnTuTu Score
1,738,936
AnTuTu Score
3,000,897
AnTuTu Score
10h 37m
Battery Life (PC Mark)
11h 24m
Battery Life (PC Mark)
16h 04m
Battery Life (PC Mark)

Compare Prices

Not Available in any store
₹57,999
₹79,999

Video

Videos
6 More Videos
Videos
2 More Videos
There are no videos available for the device.

User Feedback

General

Launch Date

Jan 27, 2021
(Official)
Jan 23, 2024
(Official)
May 06, 2026
(Official)

Operating System

Android v11
Android v14
Android v16

OS Updates

N/A
4 Years
5 Year

Security Updates

N/A
5 Years
7 Year

Custom UI

Samsung One UI
Oxygen OS
Origin OS

Performance

Performance Rating

Very Good
Very Good
Excellent

Chipset

Samsung Exynos 2100
Qualcomm Snapdragon 8 Gen 3
Qualcomm Snapdragon 8 Gen 5 SM8845

Processor

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

3.3 GHz, Single core, Cortex X4 3.2 GHz, Tri core, Cortex A720 3 GHz, Dual core, Cortex A720 2.3 GHz, Dual core, Cortex A520
Octa core

3.8 GHz, Dual core, Oryon V3 Phoenix L 3.32 GHz, Hexa Core, Oryon V3 Phoenix M

Architecture (The higher, the better)

64 bit
64 bit
64 bit

Fabrication (The lower, the better)

5 nm
4 nm
3 nm

Graphics (GPU)

Mali-G78 MP14
Adreno 750
Adreno 829

RAM

12 GB / 16 GB
12 GB / 16 GB
12 GB

RAM Type

LPDDR5
LPDDR5X
LPDDR5X Ultra

Performance Test Results

AnTuTu Score (The higher, the better) AnTuTu benchmark measures overall performance of a phone by stress-testing CPU, GPU, RAM, etc.

646,482
1,738,936
3,000,897

Bootup Time (The lower, the better)

34.0 s
15.0 s
14.0 s

Gaming Test Results

Wild Life Extreme (The higher, the better) Wild Life Extreme is a classic mobile benchmark; it renders in 4K to test the peak performance of a wide range of devices.

N/A
4,490
4,004

Battery Drain* (The lower, the better)

8.0 %
8.0 %
5.0 %

Heating* (The lower, the better)

23.5 %
17.8 %
17.4 %
* after 30 mins of gaming

Display

Display Rating

Excellent
Best In Class
Best In Class

Display Type

Dynamic AMOLED 2x
ProXDR LTPO (Curved Display)
AMOLED

Screen Size

6.8 inches  (17.27 cm)
6.82 inches  (17.32 cm)
6.31 inches  (16.03 cm)

Resolution

1440x3200 px (QHD+)
1440x3168 px (QHD+)
1216x2640 px (FHD+)

Brightness

1500 nits
N/A
N/A

Peak Brightness

N/A
4500 nits
5000 nits

HBM Brightness

N/A
1600 nits
N/A

Refresh Rate

120 Hz
120 Hz
120 Hz

Aspect Ratio

20:9
19.8:9
19.5:9

Pixel Density

516 ppi
510 ppi
460 ppi

Screen to Body Ratio (calculated)

89.44 %
90.17 %
90.11 %

Screen Protection

Corning Gorilla Glass Glass Victus
Corning Gorilla Glass Glass Victus 2
Yes

Bezel-less Display

Yes with punch-hole display
Yes with punch-hole display
Yes with punch-hole display

HDR 10 / HDR+ Support

Yes HDR 10+
Yes HDR 10+
Yes HDR 10+

Screen to Body Ratio (claimed by the brand)

N/A
93.5 %
94.38 %

Design

Height

165.1 mm
164.3 mm
150.83 mm

Width

75.6 mm
75.8 mm
71.76 mm

Thickness

8.9 mm
9.2 mm
7.99 mm

Weight

227 grams
220 grams
191 grams

Build Material

Back: Gorilla Glass
Back: Gorilla Glass
Back: Glass

Water Resistance

Yes Water resistant IP68 (up to 30 minutes in a depth of 1.5 meter)
Yes Water resistant IP65
Yes Water resistant IP68 IP69 (up to 30 minutes in a depth of 1.5 meter)

Ruggedness

Dust proof
Dust proof
Dust proof

Rear Camera

Rear Camera Rating

Excellent
Excellent
Excellent

Resolution

108 MP
Primary Cameraf/1.8 Wide Angle26 mm focal length 1/1.33" sensor size S5KHM3 ISOCELL Plus 0.8µm pixel size
50 MP
Primary Camera6x Digital Zoomf/1.6 Wide Angle 85° field-of-view23 mm focal length 1/1.4" sensor size LYT 808 CMOS image sensor 1.12µm pixel size
50 MP
Primary Cameraf/1.57IMX921
12 MP
f/2.2 Ultra-Wide Angle Camera13 mm focal length 1/2.55" sensor size 1.4µm pixel size
48 MP
f/2.2 Ultra-Wide Angle Camera14 mm focal length 1/2" sensor size 0.8µm pixel size
50 MP
f/2.65 Telephoto Camera
10 MP
Telephoto Camera72 mm focal length 1/3.24" sensor size 1.22µm pixel size
64 MP
f/2.6 Periscope Camera70 mm focal length 1/2" sensor size 0.7µm pixel size
8 MP
f/2.2 Ultra-Wide Angle Camera
10 MP
f/4.91/3.24" sensor size 1.22µm pixel size
N/A
N/A

Autofocus

Yes Phase Detection Autofocus Laser Autofocus
Yes Phase Detection Autofocus Continuous Autofocus
Yes

OIS

Yes
Yes
Yes

Flash

Yes LED Flash
Yes Dual LED Flash
Yes Dual LED Flash

Image Resolution

12000 x 9000 Pixels
8150 x 6150 Pixels
N/A

Settings

Exposure compensation ISO control
Exposure compensation ISO control
N/A

Shooting Modes

Continuous Shooting
High Dynamic Range mode (HDR)
Continuous Shooting
High Dynamic Range mode (HDR)
Starry Mode
N/A

Camera Features

Digital Zoom
Auto Flash
Face detection
Touch to focus
6 x Digital Zoom
Auto Flash
Face detection
Filters
Touch to focus
N/A

Video Recording

8k @24 fps
4k @30 fps
Full HD @60 fps
HD @960 fps
8k @24 fps
4k @60 fps
Full HD @240 fps
HD @480 fps
8k @30 fps
4k @30/60 fps
Full HD @30/60/120 fps

Video Recording Features

Slow Motion
Video HDR
Bokeh portrait video
Video Pro Mode
Dual Video Recording
Slow Motion
Ultra Steady Video
Video HDR
Bokeh portrait video
Video Pro Mode
N/A

Front Camera

Front Camera Rating

Excellent
Excellent
Best In Class

Resolution

40 MP
f/2.2 Wide Angle Primary Camera26 mm focal length 1/2.8" sensor size 0.7µm pixel size
32 MP
f/2.4 Wide Angle Primary Camera21 mm focal length 1/2.74" sensor size Exmor RS 0.8µm pixel size
50 MP
f/2.0 Primary Camera

Autofocus

Yes Phase Detection Autofocus
N/A
Yes

Flash

N/A
Yes Screen flash
Yes Screen flash

Camera Features

N/A
Fixed Focus
N/A

Video Recording

4k @30 fps
Full HD @30 fps
4k @30 fps
Full HD @30 fps
HD @30 fps
N/A

Battery

Battery Rating

Very Good
Excellent
Excellent

Capacity

5000 mAh
5400 mAh
6500 mAh

Battery Type

Li-ion
Li-Polymer
Li-ion

TalkTime

Up to 41 Hours(4G)
N/A
N/A

Quick Charging

Yes 25W Fast Charging
Yes 100W Super VOOC Charging 100% in 26 minutes
Yes 90W Flash Charging

Wireless Charging

Yes
Yes 50W Wireless Charging Charging Time: 55 minutes
Yes 40W Wireless Charging

Wireless Reverse Charging

Yes
Yes 10W Wireless Reverse Charging
N/A

Battery Test Results

Battery Life (PC Mark) (The higher, the better) PCMark Battery benchmark measures battery life of a phone with various activities such as web browsing, photo editing, writing, video editing, etc.

10h 37m
11h 24m
16h 04m

Charging Time (20% to 100%) (The lower, the better)

0h 55m 14s
0h 40m 0s
0h 41m 0s

Storage

Internal Storage

256 GB / 512 GB
256 GB / 512 GB
256 GB / 512 GB

Storage Type

UFS 3.1
UFS 4.0
UFS 4.1

Expandable 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: Nano/eSIM

Network Support

5G 4G
5G 4G
5G 4G

VoLTE

Yes
Yes
Yes

SIM 1

5G Bands:
FDD N1 / N3 / N5 / N7 / N8 / N20 / N28 / N66
TDD N38 / N40 / N41 / N77 / N78
5G Bands:
FDD N1 / N3 / N5 / N7 / N8 / N20 / N28 / N66
TDD N38 / N40 / N41 / N77 / N78
N/A
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)
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) / 700(band 28) / 1700(band 4) / 850(band 5) / 850(band 18) / 850(band 19) / 800(band 20) / 850(band 26)
N/A
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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)
5G Bands:
FDD N1 / N3 / N5 / N7 / N8 / N20 / N28
TDD N38 / N40 / N41 / N66 / N77 / N78
5G Bands:
FDD N1 / N2 / N3 / N5 / N7 / N8 / N18 / N20 / N25 / N26 / N28 / N66 / N71 / N75
TDD N38 / N40 / N41 / N48 / N77 / N78
N/A
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) / 700(band 28) / 1700(band 4) / 850(band 5) / 850(band 18) / 850(band 19) / 800(band 20) / 850(band 26)
4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39) / 3500(band 42) / 3700(band 43) / 3500(band 48)
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) / 1500(band 32) / 700(band 12) / 700(band 13) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 600(Band 71) / 1900(band 25) / 850(band 26) / 1700(band 66)
View More

SAR Value

Head: 0.77 W/kg Body: 1.02 W/kg
Head: 1.18 W/kg Body: 0.68 W/kg
N/A

Wi-Fi

Yes Wi-Fi 6 (802.11 a/b/g/n/ac/ax) 5GHz MIMO
Yes Wi-Fi 7 (802.11 a/b/g/n/ac/be/ax) 5GHz 6GHz MIMO
Yes Wi-Fi 4 (802.11 a/n) 5GHz MIMO

Wi-Fi Features

Wi-Fi Direct Mobile Hotspot
Mobile Hotspot
Wi-Fi Direct Mobile Hotspot

Bluetooth

Yes v5.2
Yes v5.4
Yes v6.0

GPS

Yes with A-GPS Glonass
Yes with A-GPS Glonass
Yes with A-GPS Glonass

NFC

Yes
Yes
Yes

IR Blaster

N/A
N/A
Yes

Multimedia

Stereo Speakers

Yes
Yes
N/A

Audio Jack

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

Audio Features

N/A
Dolby Atmos
N/A

Sensors

Fingerprint Sensor

Yes
Yes
Yes

Fingerprint Sensor Position

On-screen
On-screen
On-screen

Fingerprint Sensor Type

Ultrasonic
Optical
Ultrasonic

Other Sensors

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

Compare Prices

Not Available in any store
₹57,999
₹79,999