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Galaxy S21 Plus vs OnePlus 8T: Which should you buy?

By Prakhar Khanna January 21, 2021, 1:00 pm
Galaxy S21 Plus vs OnePlus 8T

Samsung’s new Galaxy S-series is here. The three models feature top-of-the-line specifications and a beautiful new design. It is natural to compare the latest with the best in the segment. Hence, here’s a Galaxy S21 Plus vs OnePlus 8T comparison to see which one deserves your money. Let’s dive right into it!

Galaxy S21 Plus vs OnePlus 8T: Specifications

Samsung Galaxy S21 PlusOnePlus 8T
Display6.7″ Infinity-O Dynamic AMOLED 2X
2400 x 1080 pixels
394 PPI
120Hz refresh rate
Gorilla Glass 7
6.55″ Fluid AMOLED
2400 x 1080
402 PPI
120Hz refresh rate
Gorilla Glass 5
ProcessorQualcomm Snapdragon 888 / 
Samsung Exynos 2100
Qualcomm Snapdragon 865
Storage128GB / 256GB128GB / 256GB
12MP primary (f/1.8, OIS)
12MP ultra-wide (f/2.2, 120°)
64MP telephoto (f/2.0, OIS)
3x hybrid optical zoom

10 MP
48MP primary (f/1.7, OIS)
16MP ultra-wide (f/2.2, 123°)
5MP macro
2MP monochrome

4K at 30/60 FPS
8K at 30 FPS
FHD at 30/60/120 FPS
Slo-mo HD at 960 FPS
4K video at 30/60 fps
1080p video at 30/60 fps
Slo-mo 1080p at 240 fps
IP RatingIP68
Weight202 grams188 grams
Dimensions161.4×75.6×7.8 mm160.7×74.1×8.4 mm

Design and Display

The Samsung Galaxy S21 Plus features a 6.7-inch Infinity-O Dynamic AMOLED 2X display with a 2400 x 1080 pixel-resolution and 394 PPI pixel density. It supports a 120Hz refresh rate and is claimed to go up to 1300 nits peak brightness. The display is protected by the Gorilla Glass 7. It measures 161.4×75.6×7.8 mm, and it is heavier than the OnePlus 8T at 202 grams.


The OnePlus 8T rocks a glass front and back that is baked into an aluminum frame on the sides. Like the Galaxy S21 Plus, you get a flat display here as well. In my opinion, this makes the user experience better since there is no side glare while looking at the screen and it is less prone to shattering if you drop the phone.

OnePlus 8T display

The device itself isn’t bulky as it weighs 188 grams, and it fits well in the hand. The OnePlus 8T comes equipped with a 6.55-inch Fluid AMOLED display with Full-HD+ resolution. It also gets a bump in refresh rate – 120Hz from 90Hz – and the touch sampling rate has been pushed from 180Hz to 240Hz on the latest device. The display is HDR10+ certified as well. It is a sharp and vibrant screen.

Hardware and Battery

The new Galaxy flagship’s Plus model is powered by the latest and greatest Qualcomm Snapdragon 888 SoC with Qualcomm Kryo 680 that allows top frequencies of up to 2.84GHz. It is paired with Adreno 660 GPU that delivers up to 35% faster graphics rendering compared to the previous generation. The smartphone comes with 8GB of RAM and 128GB or 256GB of storage options. Further, it packs a 4,800mah battery.

The Galaxy S21 is powered by the latest chipset.

The OnePlus 8T is powered by last year’s Snapdragon 865 SoC, which is the same as the OnePlus 8 Pro and the OnePlus 8. The Qualcomm chip ticks alongside 8GB of RAM and 128GB of storage onboard. It also comes in a 256GB variant. In my usage, I’ve never experienced a lag or stutter in the UI or while opening and closing an app. Further, the stereo speakers with Dolby Atmos only enhance the experience. 

OnePlus 8T rear view in teal
OnePlus 8T (Image only

Furthermore, the phone comes with 5G, Wi-Fi 6, Bluetooth 5.1, and NFC. It packs a 4,500mAh battery that supports 65W fast charging and it charges the battery up to 15% in 17 minutes, and up to 85% within 28 minutes. It charges to 100% within 40 minutes.


The Samsung Galaxy S21 Plus sports a triple rear camera setup of 12MP primary (f/1.8, OIS) + 12MP ultra-wide (f/2.2, 120°) + 64MP telephoto (f/2.0, OIS) lens that supports 3x hybrid optical zoom. The latest Samsung smartphone can shoot 4K at 30/60 FPS, 8K at 30 FPS, FHD at 30/60/120 FPS, and Slo-mo HD at 960 FPS. On the front lies a 10MP selfie shooter.

Samsung Galaxy S21 render credit Evan Blass Voice

The OnePlus 8T sports a quad rear camera setup. There is a 48MP Sony IMX586 optically stabilized sensor, which is a bit old. It’s the same sensor used in the OnePlus 7 series as well as the OnePlus Nord. Additionally, the smartphone comes with a 16MP ultra-wide-angle shooter that has a 123-degree field of view, a 5MP macro camera, and a 2MP monochrome sensor. Further, there’s a 16MP selfie shooter. In bright daylight, the OnePlus 8T captures detailed images with HDR implemented very well. Switching to the ultra-wide camera, the details are less but not drastically different. 

More number of cameras doesn't mean better quality.

Galaxy S21 Plus vs OnePlus 8T: Verdict

Going back to my OnePlus 8T review, I wrote, “with a gorgeous display, an amazing performance, a long-lasting battery life with 65W fast charging capabilities, and a snappy UI, the OnePlus 8T is an easy recommendation.” By contrast, the Galaxy S21 seems like an excellent choice too! With a new camera setup, top-notch performance and superb display, the Galaxy S21 Plus is a recommended phone too. It comes down to what you prefer – OxygenOS or One UI.


Galaxy S21 Plus - Phantom Gold

Gold has been one of the go-to color option for companies in the past few years. This one is dazzling. It looks like its slightly darker than the camera module, while there is still a two-tone finish.

OnePlus 8T

With a gorgeous display, an amazing performance, a long-lasting battery life with 65W fast charging capabilities, and a snappy UI, the OnePlus 8T is an easy recommendation. You can view the product below.


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