A comparison of specs, key information, reviews, and best pricing from top retailers
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Company ProductName Specs
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
Battery
8.2 Hours
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
$423
$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
Overall Camera Quality
7.8
7.8
The OnePlus 12 and Samsung Galaxy S21 Ultra both have good overall cameras quality.
The OnePlus 12's cameras do not match the Samsung Galaxy S21 Ultra's, especially in terms of selfie quality, which is a very important aspect. The S21 Ultra excels with higher ratings in camera versatility, photo and video dynamic range, and particularly, photos and video low light performance, whereas the OnePlus 12 falls short in these areas despite being adequate.
Photo Quality
7.8
7.8
The OnePlus 12 and Samsung Galaxy S21 Ultra both have good photos.
The OnePlus 12 takes poorer photos compared to the Samsung Galaxy S21 Ultra as evidenced by its overall camera capabilities; for instance, its selfie quality, which is generally important, is rated good, whereas the S21 Ultra has a better selfie score. Additionally, factors like photo resolution, software experience, dynamic range, low light performance, and camera versatility are all rated good for the OnePlus, but very good for the S21 Ultra, contributing to the latter's superior photo-taking ability.
Video Quality
7.0
7.1
The Samsung Galaxy S21 Ultra and OnePlus 12 both have good videos.
The OnePlus 12 underperforms in video taking because its stabilization, low light performance, and microphone quality are merely 'Good' whereas the Samsung Galaxy S21 Ultra delivers 'Very Good' quality in these aspects. Additionally, the S21 Ultra has superior video software experience and dynamic range, contributing to its better video output compared to the OnePlus 12.
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
Spec Comparison
 |  | |
| OnePlus 12 | Samsung Galaxy S21 Ultra |
GENERAL | |||
|---|---|---|---|
| Price | |||
$800 | $423 | ||
Brand | |||
Brand | OnePlus | Samsung | |
Operating System | |||
Operating System | Android | Android | |
Release Date | |||
Release Date | February 6, 2024 | January 29, 2021 | |
SCREEN | |||
|---|---|---|---|
Screen Size | |||
Screen Size | 6.82" | 6.8" | |
Resolution | |||
Resolution | 3168 x 1440 | 3200 x 1440 | |
Variable refresh rate | |||
Variable refresh rate | Yes | Yes | |
Pixels Per Inch | |||
Pixels Per Inch | 510 | 515 | |
Display Type | |||
Display Type | OLED | OLED | |
INTERNAL | |||
|---|---|---|---|
Processor | |||
Processor | SD8G3 | SD888 | |
Internal Storage | |||
Internal Storage | 256 GB | 128 GB | |
RAM | |||
RAM | 12 GB | 12 GB | |
CAMERA | |||
|---|---|---|---|
Overall Camera Quality Score | |||
Overall Camera Quality Score | 7.9/10 | 7.9/10 | |
Photos Score | |||
Photos Score | 7.9/10 | 7.8/10 | |
Videos Score | |||
Videos Score | 7.1/10 | 7.1/10 | |
Rear Cameras | |||
Rear Cameras | Main, Ultrawide, Telephoto | Main, Ultrawide, Telephoto, Super Telephoto | |
Main Camera | |||
Main Camera | 50 megapixels + OIS | 108 megapixels + OIS | |
BATTERY | |||
|---|---|---|---|
Battery Life | |||
Battery Life | 8.2 Hours | 6.7 Hours | |
Battery Capacity | |||
Battery Capacity | 5400 mAh | 5000 mAh | |
Wireless Charging | |||
Wireless Charging | Yes | Yes | |
Wireless charging Speed | |||
Wireless charging Speed | 50 W | 15 W | |
Reverse wireless charging | |||
Reverse wireless charging | Yes (10 watts) | Yes (4.5 watts) | |
PHYSICAL | |||
|---|---|---|---|
Size | |||
Size | 6.47" x 2.98" | 6.5" x 2.98" | |
Weight | |||
Weight | 7.76 oz | 8.01 oz | |
Back Material | |||
Back Material | Glass | Glass | |
Stereo Speakers | |||
Stereo Speakers | No | No | |
CONNECTIVITY | |||
|---|---|---|---|
Dual SIM | |||
Dual SIM | Yes | Yes | |
Bluetooth Version | |||
Bluetooth Version | 5.4 | 5.2 | |
A2DP | |||
A2DP | Yes | Yes | |
WiFi Version | |||
WiFi Version | 7 | 6e | |
NFC | |||
NFC | Yes | Yes | |
US 5G Bands | |||
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 | |||
Biometric unlock | Face unlock, Fingerprint sensor: Under Display | Face unlock, Fingerprint sensor: Under Display | |
Unlockable Bootloader | |||
Unlockable Bootloader | Yes | No | |
Color | |||
Color | Silky Black, Flowy Emerald | Phantom Black, Phantom Silver, Phantom Navy, Phantom Titanium | |
Stock Android | |||
Stock Android | No | No | |
SD Card | |||
SD Card | No | No | |
Shopping
Samsung Galaxy S21 Ultra
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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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