Samsung’s latest flagship trio has arrived, which means that if you’re looking for one of the best phones of 2021, you’ve now got three likely candidates in the Samsung Galaxy S21, Samsung Galaxy S21 Plus, and Samsung Galaxy S21 Ultra.
While we’re still very early in the year, based on past form it’s likely that these will rank among the best available phones even at the end of 2021 – though you might want to wait for our full reviews to see exactly how good they are.
Of course, even if you’ve settled on one of the Galaxy S21 range, deciding which can be tricky, as they have many similarities and just as many differences. With that in mind, we’ve taken a closer look at all three Samsung Galaxy S21 models, so you can see how they compare.
Design
All three Samsung Galaxy S21 models have an all-screen front with a single-lens punch-hole camera in the top center of the screen, so front-on they look similar, though the Samsung Galaxy S21 Ultra has a curved display, while the other two are flat.
Flip them over and the similarities continue, at least at first glance. The three phones have what looks like a glass back, but while the Galaxy S21 Ultra’s is actually glass, the standard Galaxy S21 uses ‘glasstic’, meaning plastic that’s designed to look like glass. At the time of writing Samsung hasn’t confirmed which material the S21 Plus will use.
The Samsung Galaxy S21 Ultra also has a much bigger camera block than the other two, though all three have it positioned in the top left corner.
As for dimensions and weight, the Samsung Galaxy S21 Ultra is 165.1 x 75.6 x 8.9mm and 228g, the Galaxy S21 Plus is 161.5 x 75.6 x 7.8mm and 202g, and the standard Samsung Galaxy S21 is 151.7 x 71.2 x 7.9mm and 172g.
The upshot of all this being that the Samsung Galaxy S21 Plus basically just looks like a bigger version of the Galaxy S21, while – thanks to its curved screen, larger camera block, and glass back – the Galaxy S21 Ultra looks and feels substantially different, as well as being the largest of the three.
The three models also come in different colors, with the Galaxy S21 Ultra being available in Phantom Black and Phantom White, the S21 Plus in Phantom Black, Phantom White, and Phantom Violet, and the Samsung Galaxy S21 launching in Phantom Gray, Phantom White, Phantom Violet, and Phantom Pink – though note that available shades might vary by region.
One aspect that is the same on all three models is the dust and water resistance, as they all have IP68 certification.
Screen
If you want the biggest screen possible then you’ll want the Samsung Galaxy S21 Ultra, as this has a 6.8-inch curved 1440 x 3200 (WQHD+) screen, while the other two models are both smaller and lower resolution – the Samsung Galaxy S21 Plus has a 6.7-inch flat screen, while the Samsung Galaxy S21 has a 6.2-inch flat display, and both have a 1080 x 2400 (Full HD+) resolution.
All three phones have a refresh rate of up to 120Hz though, and in a first for Samsung, the Galaxy S21 Ultra supports that refresh rate while running at a QHD+ resolution, so you don’t have to choose between a high resolution and a high refresh rate.
All three phones also use ‘Dynamic AMOLED 2X’ displays and have an in-screen fingerprint scanner.
Camera
As with the design, the cameras on the Samsung Galaxy S21 and Samsung Galaxy S21 Plus are very similar to each other. In fact, they’re identical, with both phones sporting a triple-lens setup consisting of a 12MP f/1.8 main camera, a 12MP f/2.2 ultra-wide, and a 64MP f/2.0 telephoto.
That telephoto snapper is capable of 3x optical zoom, and both it and the main lens have optical image stabilization (OIS).
The setup on the Samsung Galaxy S21 Ultra is quite different though, as this has a quad-lens camera with a 108MP f/1.8 main snapper, a 12MP f/2.2 ultra-wide one, and a pair of 10MP telephoto cameras, one of which is f/2.4 and allows for 3x optical zoom, and the other of which is f/4.9 and extends the optical zoom range to 10x. The main camera and both telephoto ones also have OIS here.
The differences between the S21 Ultra and the rest of the range don’t stop when you come to the front camera either, as the Samsung Galaxy S21 Ultra has a 40MP one, while the Galaxy S21 and S21 Plus each have a 10MP one.
However, all three phones can record video in up to 4K quality at up to 60fps, and they all have the same assortment of camera modes, such as pro mode, night mode, Single Take, Live Focus, slow motion, and more.
Battery life
You can probably somewhat guess what the battery situation is here, with capacities getting larger as you move up in smartphone size and price.
Specifically, the Samsung Galaxy S21 has a 4,000mAh battery, the Samsung Galaxy S21 Plus has a 4,800mAh one, and the Samsung Galaxy S21 Ultra has a 5,000mAh battery.
So there’s a big jump in size from the S21 to the S21 Plus, but that reflects the big jump in screen size, while the Galaxy S21 Ultra only has a slightly larger screen (and also therefore battery) than the Samsung Galaxy S21 Plus.
All three phones additionally support fast charging, fast wireless charging, and Wireless Power Share, the latter of which lets you use them to charge up other devices wirelessly.
Specs and features
All three Samsung Galaxy S21 models have the same chipset, but exactly what chipset you’ll get depends on what country you’re in. US models use the Snapdragon 888, while the UK and most other regions use the Exynos 2100, but both of those are very powerful.
The Galaxy S21 and Galaxy S21 Plus also both have 8GB of RAM, coupled with 128GB or 256GB of storage, but the Samsung Galaxy S21 Ultra ups both types of memory, with 12GB or 16GB of RAM and a choice of 128GB, 256GB, or 512GB of storage (the last of those sizes being the only one that comes with 16GB).
All three phones support 5G and run Android 11, with the main difference in features (beyond what’s covered above) being that the Samsung Galaxy S21 Ultra supports Samsung’s S Pen stylus, letting you use the phone like a Galaxy Note.
However, unlike with the Note range you have to buy the S Pen separately here, and there’s no slot for it in the phone (though there will be in some covers).
Price and availability
The Samsung Galaxy S21 starts at $799 / £769 / AU$1,249, while the Samsung Galaxy S21 Plus starts at $999 / £949 / AU$1,549, and the Samsung Galaxy S21 Ultra starts at $1,199 / £1,149 / AU$1,849. In all cases that’s for 128GB of storage, with prices rising if you want more. So for each step up in model the starting price rises by around $200 / £200 / AU$300.
In terms of availability, all three models are available to pre-order from January 14 (which is today at the time of writing), and they hit stores on January 29.
Takeaway
The Samsung Galaxy S21 and Samsung Galaxy S21 Plus look to be very similar phones – they have the same screen resolution, camera configuration, and RAM amount. The only major differences – other than the higher price for the Plus – is that the Samsung Galaxy S21 Plus has a significantly bigger screen and a bigger battery to go with it.
The Samsung Galaxy S21 Ultra though is a very different beast. Beyond being the biggest and most expensive of the three, it also has a very different camera setup, a higher resolution screen, a bigger battery, a more premium build than at least the basic model, more RAM, and support for the S Pen stylus.
Perhaps even more than normal then this year’s top Galaxy S model towers above the rest of the range – at least on paper.
We’d always recommend waiting for our full review before spending this much money on a phone though, especially as specs can sometimes be misleading, with a prime example being the Samsung Galaxy S20 Ultra, which actually arguably has a worse camera than the Galaxy S20 Plus, despite the bigger numbers.
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