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Samsung Galaxy S21, S21Plus, S21 Ultra Review || The New Samsung Flagships, Redefined

Samsung is a well-known brand for its gadgets. Though the price tag is high and the primary matter, apart from that all the services are the loving fact.

The brand Samsung has come up with their new edition of S series flagships in 2023. This series has a great camera of contour cut features and the latest 5G connectivity in S21 Ultra devices. To get more new ideas of the Samsung Galaxy S21/ S21Plus/ S21 Ultra Review, you should follow this analysis topic. 

Borrow and go through the process of the main factors of these flagships. We hope you will find it useful and pre-order one of them.

Samsung Galaxy S21, S21Plus, S21 Ultra Review

All the differences and similarities between the three Samsung Galaxy S series will make your selection easy for 2023 explorations. Let us inform you that these three flagships’ price starts from $799, $999 and $1,199 respectively.

Samsung Galaxy S21Samsung Galaxy S21+Samsung Galaxy S21 Ultra
Screen size
Screen resolution 
2,400 x 1,080 pixels (421ppi)2,400 x 1,080 pixels (394ppi)3,200 x 1,440 pixels (515ppi)
Dimensions and weight
71.2 x 151.7 x 7.9mmand 169g75.6 x 161.5 x 7.8mm and 200g75.6 x 165.1 x 8.9mm and 227g

1. Rear camera 

  • 12MP (wide-angle), Dual Pixel AF, f/1.8, 1.8µm, OIS
  • 12MP (ultra-wide), f/2.2, 1.4µm, 120° FOV
  • 64MP (telephoto), 3x Hybrid Optic Zoom, f/2.0, 0.8µm, PDAF

2. Front camera

  • 10MP (portrait), f/2.2, 1.22µm, Dual Pixel AF 

1. Rear camera 

  • 12MP (wide-angle), Dual Pixel AF, f/1.8, 1.8µm, OIS
  • 12MP (ultra-wide), f/2.2, 1.4µm, 120° FOV
  • 64MP (telephoto), 3x Hybrid Optic Zoom, f/2.0, 0.8µm, PDAF

2. Front camera

  • 10MP (portrait), f/2.2, 1.22µm, Dual Pixel AF

1. Rear camera

  • 108MP (wide-angle), PDAF, f/1.8, 0.8µm, OIS
  • 12MP (ultra-wide), 120° FOV, f/2.2, 1.4µm, Dual Pixel AF
  • 10MP (telephoto), Dual Pixel AF, f/2.4, 1.22µm, 3x Optical Zoom
  • 10MP (telephoto), Dual Pixel AF, f/4.9, 1.22µm, 10x Optical Zoom
  • AutoFocus Laser sensor

2. Front camera

  • 40MP (portrait), f/2.2, 0.7µm, PDAF
Phantom Grey, Phantom Violet and Phantom WhitePhantom Black,  Phantom Violet and Phantom SilverPhantom Black, Phantom Silver and Phantom Violet(not confirmed)

Permit us to break down all the main features from Samsung Galaxy S21, S21+, and S21 Ultra flagships. As we said before, the S21and S21+ have nothing different than the display size. So we are going to clarify their same features at once and S12 ultra contrarily.  

Samsung Galaxy S21 and S21+ Review

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The rear camera of S21 and S21+ has a combination of three cameras. One 12-megapixel ultra-wide lens, one 12-megapixel wide lens, and one 64-megapixel telephoto lens. Samsung has used upscaling methods to enhance their quality of pictures as well as the slow shutter speeds are also fixed in this mobile. 

1. Rear camera

  • An ultra-wide lens (12-megapixel)

The 12 megapixels ultra-wide lens gives you the ultra-wide coverage of 120-degree angles of the world. This lens will provide you focus, and that will capture numerous details. 

  • A wide lens (12-megapixel)

The 12-megapixel wide-angle lens of dual Pixel AF camera takes easy shots of numerous people or subjects likewise. 

  • A telephoto lens (64-megapixel)

The 64-megapixel telephoto lens camera has a 3x hybrid optic zoom quality. When you start experiencing the power of the telephoto lens, you will get a more precise picture. 

2. Front camera

In S21 and S21+, Samsung introduced the 10-megapixel selfie camera. This camera has a solid front-facing lens. At the tip of the display, this camera has tucked in the pinhole. 

Battery life

There is a slight difference in S21 and S21+ in the battery where they both provide 4,000mAh and 4,800mAh, respectively. Other than that, both the devices will have the same 15W wireless fast charging and 25W super-fast charging. This device supports the Qi-enabled and USB-C port for fast charging.


The Samsung Galaxy S21 and S21+ have 6.2-inch and 6.7-inch display sizes, respectively. They have used the Dynamic AMOLED 2X full HD plus display along with a resolution of 2,400 x 1,080 pixels. 

The adaptive refresh rate varies from 48Hz to 120Hz, which will adapt to maintain battery life intelligently. Along with that, it has eye comfort protection as well as an optical fingerprint detector. 


To give the device a lighter feel, Samsung used polycarbonate or plastic on the backside, metal on the sides, and glass on the front. Metal and plastic may look like a mismatch, but it is doing for cost-saving purposes. 

On the right-hand side, they placed the volume and power button. On the bottom, you will see the sim card slot, speaker, and USB-C port. However, the microphones and antenna bands are marking into the frame.

Samsung Galaxy S21 Ultra Review

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The Samsung Galaxy S21 Ultra device has five camera lenses to receive the best shot with just one click. Let’s know their nature respectively. 

1. Rear camera

  • An ultra-wide lens (12-megapixel)

This lens is all the same, just like the S21 and S21+ ultra-wide lenses of 12 megapixels. A similar 120-degree angle facility is also there in it. 

  • A wide lens (108-megapixel)

The higher megapixel with the tremendous lens of 108-megapixel will save your device space by delivering 108-megapixel pictures as 12-megapixel shots. It will happen through the nona-binning process. 

  • A dual telephoto lens (10-megapixel)

Both of the lenses in this part contain a 10-megapixel. One lens is just like S21 that has 3x optical, and the other one has 10x optical. 100x space zoom will capture all the details along with the capacity to lessen the sound of shots. 

  • An autofocus laser sensor

This laser will modify the focus quality of the pictures. It also gives you the ability to get zoom shots without any noise. 

2. Front camera

Forty megapixels of selfie or front camera is going to be your favorite part indeed. When you go for it, it will ask the mode you want, natural or other modes. 

Battery life 

The Samsung Galaxy S21 Ultra has a 5,000mAh battery capacity. Although the other things are the same, just like S21 and S21+ and that is 15W wireless fast charging and 25W super-fast charging. Just like S21 and S21+, this device supports the Qi-enabled and USB-C port for fast charging. 

Display with S Pen

The display size of the S21 Ultra is 6.8-inch, which is a much bigger display than you desire. It comes with a Dynamic AMOLED 2X WQHD+ curved display with a resolution of 3,200 x 1,440 pixels. 

Moreover, the least adaptive refresh rate is 10Hz, and the highest is 120Hz. The display supports Wacom technology and also has an eye comfort safeguard. If you were a Tab or Galaxy Note S7 user, you could use the S pen on this device. 


With all the other S21 and S21+ Samsung Galaxy designs, in S21 Ultra, you will get the matte glass backside instead of plastic. Moreover, because of its surface of phantom black, it will hide your fingerprints easily. 

Video And Audio

To record video with a rear camera, you will get facilities of 720p at 960fps, 1080p at 30/60/240fps, 4K at 30/60fps, and 8K at 24fps with HDR10+. Besides that, the stereo sound rec is also there. With a selfie or front camera, you will get 1080p at 30fps and 4K at 30/60fps. 

For the realistic audio system, a loudspeaker with stereo speakers and 32-bit/384kHz audio tuned by AKG is there. 

Similarities Amongst S21, S21+ and S21 Ultra 

There are some similarities amongst the three S series devices. Let’s see what those are to clear the qualms. 

Operating System and Processor

The operating system or OS and processor are similar in three of the Samsung Galaxy S21 flagships. Android 11 with One UI 3 OS is working efficiently in significant works along with the Samsung Exynos 2100 chipset. 

They paired the RAM with Qualcomm Snapdragon 888 processor. Moreover, to extend the device’s life cycle, Samsung has announced the Android updates of three years. That means it will last until that time. 

Storage and RAM

Both S21 and S21+ have a storage capacity of 256GB with 8GB RAM. With 256GB of storage, they are also offering its users 512GB storage in the S21 Ultra model mobile. 

That means you have two storage options in the Ultra device with 256GB or 512GB with the 12GB or 16GB RAM. But unfortunately, there is no MicroSD card slot. That’s why choosing the model wisely is essential as well because of this shortage. 


In the connectivity sector, you will get a 5G connection with all the series of Samsung Galaxy S21. For connecting to ultra-wideband 5G and low-band networks, three of them qualified with mmWave bands and Sub-6. However, Bluetooth 5.0, hotspot, Wi-Fi Direct, etc., are also there. 

Final Words

If you go through the whole discussion, you can differentiate the Samsung Galaxy S21, S21+, S21 Ultra Review. With this recent add on series, Samsung makes an effort to match up with iPhone 12 and google pixel 5. On most of the side, it does fascinate the users. 

Samsung attempts to solve all the issues that present in the previous complaint about their other gadgets. Above that, there need a few more justifications in some areas of this series as well. 

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