A comparison of specs, key information, reviews, and best pricing from top retailers
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12
Company ProductName Specs




Galaxy S21 Ultra
Company ProductName Specs




Advantages of the OnePlus 12
  • Very good battery life
  • Best in class display quality
  • Best in class performance
Advantages of the Samsung Galaxy S21 Ultra
  • The Samsung Galaxy S21 Ultra has no clear advantages over the OnePlus 12.

Key differences

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Battery

8.2 Hours
12
Galaxy S21 Ultra
6.7 Hours
The OnePlus 12 has 8.2 hours of battery life. The Samsung Galaxy S21 Ultra has 6.7 hours of battery life.

Cost

$800
12
Galaxy S21 Ultra
$423
Product image
Product image

$200

$400

$600

$800

$1,000

$1,200

The OnePlus 12 has a price of $800 and the Samsung Galaxy S21 Ultra costs $423.
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Key similarities

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Overall Camera Quality

7.8
12
Galaxy S21 Ultra
7.8
The OnePlus 12 and Samsung Galaxy S21 Ultra both have good overall cameras quality.

Photo Quality

7.8
12
Galaxy S21 Ultra
7.8
The OnePlus 12 and Samsung Galaxy S21 Ultra both have good photos.

Video Quality

7.0
12
Galaxy S21 Ultra
7.1
The Samsung Galaxy S21 Ultra and OnePlus 12 both have good videos.

Screen Size

The OnePlus 12 has a screen size of 6.82 inches and the Samsung Galaxy S21 Ultra is 6.8 inches.

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How the OnePlus 12 and the Samsung Galaxy S21 Ultra compare to other phones

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Spec Comparison

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OnePlus 12Samsung Galaxy S21 Ultra
OnePlus 12Samsung Galaxy S21 Ultra

GENERAL

Price
$800
$423
Brand
OnePlusSamsung
Operating System
AndroidAndroid
Release Date
February 6, 2024January 29, 2021

SCREEN

Screen Size
6.82"6.8"
Resolution
3168 x 14403200 x 1440
Variable refresh rate
YesYes
Pixels Per Inch
510515
Display Type
OLEDOLED

INTERNAL

Processor
SD8G3SD888
Internal Storage
256 GB128 GB
RAM
12 GB12 GB

CAMERA

Overall Camera Quality Score
7.9/107.9/10
Photos Score
7.9/107.8/10
Videos Score
7.1/107.1/10
Rear Cameras
Main, Ultrawide, TelephotoMain, Ultrawide, Telephoto, Super Telephoto
Main Camera
50 megapixels + OIS108 megapixels + OIS

BATTERY

Battery Life
8.2 Hours6.7 Hours
Battery Capacity
5400 mAh5000 mAh
Wireless Charging
YesYes
Wireless charging Speed
50 W15 W
Reverse wireless charging
Yes (10 watts)Yes (4.5 watts)

PHYSICAL

Size
6.47" x 2.98"6.5" x 2.98"
Weight
7.76 oz8.01 oz
Back Material
GlassGlass
Stereo Speakers
NoNo

CONNECTIVITY

Dual SIM
YesYes
Bluetooth Version
5.45.2
A2DP
YesYes
WiFi Version
76e
NFC
YesYes
US 5G Bands
(SA/NSA/Sub6) 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 30, 38, 40, 41, 66, 71, 77, 78(SA/NSA/Sub6/mmWave)2, 5, 25, 41, 66, 71, 260, 261 (SA/NSA/Sub6)1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78

OTHER FEATURES

Biometric unlock
Face unlock, Fingerprint sensor: Under DisplayFace unlock, Fingerprint sensor: Under Display
Unlockable Bootloader
YesNo
Color
Silky Black, Flowy EmeraldPhantom Black, Phantom Silver, Phantom Navy, Phantom Titanium
Stock Android
NoNo
SD Card
NoNo

Shopping

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Samsung Galaxy S21 Ultra

See more

Dig into reviews and images

Android Authority

David Imel | January 2023
"The Galaxy S21 Ultra is a killer combo of great design, blazing-fast performance, a wonderful display, long-lasting battery life, and one of the most versatile camera systems you can get in a smartphone today."

Get a great deal on the OnePlus 12 or the Samsung Galaxy S21 Ultra

About OnePlus

OnePlus, established in 2013, is a smartphone brand that first became known for providing flagship-like devices, at a fraction of the cost compared to more expensive Android competitors. OnePlus focuses on creating smartphones with powerful hardware at reasonable prices. They also bring hardware features normally not seen in other Android phones sold in the US, such as their ultra-fast “Warp Charge” and the beloved “Alert Slider”.

About Samsung

Samsung is one of the most recognizable names in the smartphone industry, standing as the undisputed best-selling brand of Android smartphones in the United States for many years now. Samsung is known for offering a variety of smartphones in all available price points, as well as for implementing cutting-edge technology and innovative features in their flagship devices, ones that often shape the market going forward. The company offers its own unique spin on Android, called One UI, which focuses on offering a multitude of features and is heavily customizable, according to user preference.

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Why trust us

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This information was produced and vetted by the PerfectRec phones team. We are a product research and recommendation organization that meticulously reviews and evaluates the latest phone information and makes it digestible for you.

By the numbers

68
Phones evaluated
7,820
Phones stats compiled
8
Proprietary Phones ratings developed
152,100
Recommendations made
86,190
Consumer hours saved

About the phone team

Joe Golden, Ph.D

CEO and Phones Editor
Joe is an entrepreneur and lifelong electronics enthusiast with a Ph.D in Economics from the University of Michigan.

Jason Lew

Staff Expert & Software Engineer
Jason is a staff expert and software engineer that has been making laptop recommendations for 7 years and moderates one of the largest laptop subreddits.

Chandradeep Chowdhury

Staff Expert & Software Engineer
Chandradeep is a staff expert and software engineer and expert in televisions and monitors. He’s been making monitor recommendations for ten years.

Seth Peoples

Phones Expert
Seth is a US-based product expert focusing on smartphones and he is a moderator of one of the largest smartphone subreddits. His tailored recommendations have helped him earn over 87k comment karma, putting him in the top 1% of Redditors.

Efthimis Kotanidis

Phones Expert
Efthimis is a Greece-based product expert focusing on smartphones. He has been recommending phones for 4 years and his recommendations on Reddit have earned him over 35k karma.

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