Samsung Galaxy S21

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Samsung Galaxy S21 (G991)
Samsung Galaxy S21 grey back
Samsung Galaxy S21 grey front left side
Samsung Galaxy S21 grey front right side
Samsung Galaxy S21 grey left side
Samsung Galaxy S21 grey back left side
Samsung Galaxy S21 grey back right side
Samsung Galaxy S21 grey right side
Samsung Galaxy S21 pink back
Samsung Galaxy S21 purple back
Samsung Galaxy S21 white back
Choose storage
128 GB
256 GB

Pro and cons Samsung Galaxy S21

  • No more audio jack, memory slot and charger

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Samsung Galaxy S21 in the news

Samsung Galaxy S21 product details

The Samsung Galaxy S21 is the entry-level model in the S21 series that Samsung announced in early 2021. The device gets a lower price, more powerful performance and a redesigned appearance. Furthermore, there are many similarities with the S20 from last year. But there are also some things missing. Which ones exactly and whether they justify the lower price we will explain to you here.+Plus points Samsung Galaxy S21* New design style
* More powerful performance
* 5G and Dual SIM
* New camera functions

Lower resolution, bigger fingerprint scanner

The Galaxy S21 5G features a 6.2-inch display up front, just like the S20. This year, the screen is flatter. Ideal for if you're not a fan of curved screen edges. It's still an Infinity-O Display so there's a punch-hole for the same 10MP selfie camera. There is one big difference and that is the resolution. It goes down from 3200x1400 to 2400x1080 pixels. In popular speech, this is also called Full HD+. We often see this resolution in these types of phones, but we do not often see a manufacturer provide a successor with a lower resolution. The S20 could not handle the smooth 120Hz in the highest resolution, which is why many opted for a lower resolution. So you can ask yourself if this lower resolution is a bad thing. The screen does have another plus; the fingerprint scanner is 77% larger. This means you don't have to be so precise to unlock your S21.

Samsung Galaxy S21 grey front right side

Same camera, new features

On the camera front, there seems little new under the sun as well. We still find a 12MP main camera with wide-angle lens, 12MP ultra-wide-angle camera with a 120° angle of view and a 64MP telephoto camera with 3x hybrid optical zoom. Digitally, you can even get 30x closer, something Samsung calls 'Space Zoom'. New to this is 'Zoom Lock' that keeps a subject in focus while zooming, no matter how much you move around. The appearance of the camera is also new. Samsung calls it 'Contour Cut Camera', and we will probably see this style more often. Furthermore, Samsung has improved the Portrait Mode, you can cut photos from an 8K video (8K Snap) and there is now the 'Director's View' with which you can edit images into a story.

Main Samsung Galaxy S21 Specifications

  • Plat 6.2-inch Infinity-O Display with Full HD+ resolution and 120Hz refresh rate
  • 12+12+64MP camera with ultra wide-angle and 3x hybrid optical zoom
  • Pro Grade video camera with 8K video, 8K Video Snap and smooth Super Steady Video
  • 10MP selfie camera with autofocus and portrait mode
  • Waterproof IP68 housing with updated look and Phantom colors
  • Powerful performance thanks to Exynos 2100 processor at up to 2,9GHz
  • 128 or 256GB non-expandable memory
  • Fast wired and wireless charging + wireless other charging (Wireless PowerShare)
  • 5G and Dual SIM support (physical nanoSIM + built-in eSIM)

More memory, yet less space

Perhaps the biggest innovation is deep under the hood. It's the processor that provides powerful performance and fast operation. You get the same processor as the more expensive S21 Ultra. This one has access to 8GB of RAM memory which is more than enough for almost all cases. The Galaxy S21 is available in 128 or 256GB of storage memory. The latter is a new addition, and not without reason. You cannot expand the memory yourself anymore. A memory card slot is missing. A major break with the past. Still, 256GB (and maybe even 128GB) will be more than enough for most people. Another thing that is missing is a headphone port, but that was also missing from the S20. And while we are at it; the box lacks a charger. This trend started by Apple has now reached Samsung. Just like last year, fast charging is possible with a maximum of 25 Watts. If you still have that charger lying around, then at least you do not need to buy a new one.


Apart from the few improvements, the S21 is very similar to its predecessor. But it does have a memory card slot, a higher screen resolution and a glass back. If you can't live without that, it's always an idea to buy a S20 instead of this S21. The price will also be lower than this S21 in most cases.

Most important Samsung Galaxy S21 specifications

Dimensions 151.7 x 71.2 x 7.9 mm
Weight 171 grams
Item ID SM-G991
Codename Samsung O1
EAN code 8806090892776, 8806090892349, 8806090892189, 8806090891229, 8806090887550, 8806090886751, 8806090886669, 8806090886638, 7423403668654, 7423403665653, 7423403654664, 7423403568572, 7423403566554, 7423403548574
Fingerprint recognition
Operating system
Android 11
Color display 6.2 inch, Infinity-O Display, hole-punch display
Camera 12 MP, 12 MP, 64 MP
Dirt and waterproof housing
Processor 2.4 GHz, 2.8 GHz, 2.9 GHz, Samsung Exynos 2100, octa core
Secondary camera 10 MP
Dual SIM
Data network
LTE (4G)
Build-in memory
Internal memory 8 GB (Size (RAM)), 128 GB (Storage), 256 GB (Storage)
Memory card slot
Power supply
Battery 4000 mAh
Fast charging
Wireless charging
Audio jack plug

All Samsung Galaxy S21 specifications

Video's about the Samsung Galaxy S21

Finally! The Samsung Galaxy S21 and the Galaxy S21+ have been officially unveiled. What do they have in store? This video shows you

Meet the Samsung Galaxy S21 Ultra. The best Samsung has to offer. And the fact that it takes just over 3 minutes to do so says it all

Can't decide between the Samsung Galaxy S21 and the S21+? Maybe this video will help you decide

It doesn't get much more premium than this. The Samsung Galaxy S21 Ultra only has the best of the best. Time for a closer look in this hands-on

The entry-level Samsung Galaxy S21 is the smallest of the S21 series. The box is also smaller this year. You can see why in this unboxing video

Alternatives of the Samsung Galaxy S21

Scroll the table below to see more
Product images are relative in size
Samsung Galaxy S21 (G991)
Samsung Galaxy S20 5G (G981)
OnePlus 7 Pro
LG V40 ThinQ
OnePlus 7T

Photos relative in size

 Current product    
Fingerprint recognition
Color display6.2 inch, Infinity-O Display, hole-punch display6.2 inch, Infinity-O Display, hole-punch display6.67 inch, Fluid AMOLED6.4 inch, FullVision OLED QuadHD+, notch6.55 inch, Fluid AMOLED, notch
Camera12 MP, 12 MP, 64 MP12 MP, 12 MP, 64 MP16 MP, 48 MP, 8 MP12 MP, 12 MP, 16 MP12 MP, 16 MP, 48 MP
Dirt and waterproof housing
Processor2.4 GHz, 2.8 GHz, 2.9 GHz, Samsung Exynos 2100, octa coreOcta core2.84 GHz, Qualcomm Snapdragon 855, octa coreQualcomm Snapdragon 845, octa core2.96 GHz, Qualcomm Snapdragon 855+, octa core
Secondary camera10 MP10 MP16 MP5 MP, 8 MP16 MP
Dual SIM
LTE (4G)
Internal memory8 GB (Size (RAM)), 128 GB (Storage), 256 GB (Storage)12 GB (Size (RAM)), 128 GB (Storage)12 GB (Size (RAM)), 6 GB (Size (RAM)), 8 GB (Size (RAM)), 128 GB (Storage), 256 GB (Storage)6 GB (Size (RAM)), 128 GB (Storage)8 GB (Size (RAM)), 128 GB (Storage)
Memory card slot
Battery4000 mAh4000 mAh4000 mAh3300 mAh3800 mAh
Fast charging
Wireless charging
Audio jack plug

Complete comparison between the Samsung Galaxy S21 and these alternatives or compare with other models

Questions and answers about the Samsung S21