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Samsung Galaxy S21 Ultra 5G, Full Specs In Details

Samsung is one of the largest smartphone manufacturers in the world. Currently, they are ruling the smartphone market. So, what makes people crazy about their phones? Let’s find out while taking a look at their ultimate flagship of this year Samsung Galaxy S21 Ultra 5G.

In the last couple of years, Samsung released a large number of smartphones. But their Galaxy S series always stands out. The Galaxy S series is renowned for advanced features and premium build quality. So the new Galaxy S21 Ultra 5G is a successor of their previous S series phones.

At very first glance, you will be amazed by its perfect design. The outer look describes how carefully the phone is built. So without going further let’s just get into the inner specs. Samsung Galaxy S21 Ultra 5G was announced on 14th January 2021 and released on January 29.

Samsung Galaxy S21 Ultra 5g, Full Specs In Details


New Samsung Galaxy S21 Ultra supports 5G which is the latest network technology today. So GSM, CDMA, HSPA, EVDO, and LTE options are also available for you. You can use a single SIM or dual SIM with dual Standby.


The phone is large. But 8.9mm thickness made this handy for you. The body dimension is 165.1 x 75.6 x 8.9 mm which is pretty much decent. Nowadays people prefer a larger display. A larger display means a larger phone. But wait, this phone is not that heavy. The overall weight is 227gm.

You will be amazed by its build quality. Durable scratch-proof glasses (Gorilla Glass Victus) covering the front and the back with an aluminum frame in the middle. The phone is IP68 dust/water-resistant. So it can survive 30 minutes under 1.5m of water.


The display is one unique feature of every Samsung smartphone. This one is no different. A large 6.8 inches Dynamic AMOLED 2X display will enhance your viewing experience. It comes with a 120HZ refresh rate which supports HDR10+. This display is so bright that it reaches up to 1500 nits.

More display features you would like to know

Resolution: 1440 x 3200 pixels, 20:9 ratio (~515 pixel per inch density)
Always-on display: Supported
Screen to body ratio: ~89.8%
Protection: Corning Gorilla Glass Victus

Operating System

Inside the new and fully loaded One UI 3.1, You will get Android 11 out of the box. Android 11 is the latest one from Google. Samsung fabricated it so well with tons of useful features. This One UI 3.1 is more optimized than its previous versions.


As always Samsung made two different versions of this phone. They used their own Exynos 2100 in the international variant. For the USA and China, they used the Snapdragon 888 chipset. Both of these chipsets are built on 5nm technology. Undoubtedly both are the best processors in today’s market for Android smartphones.


The Qualcomm Snapdragon 888 and Exynos 2100 are octa-core processors. Here Exynos seems slightly faster than another one. Just take a look at the core information and you will understand why I’m saying this.

CPU cores and GPU-

Exynos 2100: Octa-core (1×2.9 GHz Cortex-X1 & 3×2.80 GHz Cortex-A78 & 4×2.2 GHz Cortex-A55), GPU: Mali-G78 MP14
Snapdragon 888: Octa-core (1×2.84 GHz Kryo 680 & 3×2.42 GHz Kryo 680 & 4×1.80 GHz Kryo 680) GPU: Adreno 660

The two most powerful GPUs are used in these phones. So you do not need to worry about it.


Samsung Galaxy S21 Ultra 5G comes with the fastest UFS 3.1 storage and is available in 4 variants. So you can choose the one considering your needs. They are listed below.

128GB internal with 12GB RAM
256GB internal with 12GB RAM
512GB internal with 12GB RAM
512GB internal with 16GB RAM


The main camera is a quad set up. Each one is dedicated to different purposes. You have a lot of options here. LED flash, auto HDR, and panorama are available for you. If you love to take pictures then check out the detailed rare camera features of this phone.

108 MP, f/1.8, 24mm (wide), 1/1.33″, 0.8µm, PDAF, Laser AF, OIS
10 MP, f/4.9, 240mm (periscope telephoto), 1/3.24″, 1.22µm, dual pixel PDAF, OIS, 10x optical zoom
10 MP, f/2.4, 70mm (telephoto), 1/3.24″, 1.22µm, dual pixel PDAF, OIS, 3x optical zoom
12 MP, f/2.2, 13mm (ultrawide), 1/2.55″, 1.4µm, dual pixel PDAF, Super Steady video

You can record 8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps videos with HDR10+, stereo sound recording, and gyro dependent EIS.

Now let’s talk about the selfie camera. It is a single 40 megapixels camera. The aperture is f/2.2, 26mm (wide), 1/2.8″, 0.7µm, PDAF. It supports dual video calls and auto HDR. This camera is able to take 4k videos at 60 FPS.


You will love the loudspeakers of this phone. These stereo speakers produce a louder sound. But unfortunately, Samsung removed the 3.5mm headphone port which is a very useful feature.


In the wireless section, Samsung Galaxy S21 Ultra has all updated techs.

1. WLAN: Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct, hotspot.
2. Bluetooth: 5.2, A2DP, LE.
4. NFC: Yes

The Radio feature is only available in the Snapdragon variant. But there is a USB Type-C 3.2 supported port and with this phone, you’ll experience the fastest USB on-the-go service.


Samsung Galaxy S21 Ultra 5G is enriched with all necessary sensors. Which are Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, and barometer. You’ll also find Bixbi as your virtual assistant.

As you know Samsung always builds their smartphones researching your needs. So they have included some other features like Samsung pay, Samsung DeX, and Samsung Wireless DeX for desktop experience support.


Now you do not need to worry about charging your smartphone over and over. Samsung Galaxy S20 Ultra 5G comes with a massive non-removable 5000mah Li-Ion battery. For charging it faster you’ll get a 25W fast charger inside the box. This advanced phone also supports fast wireless charging at 15W and reverse wireless charging at 4.5W.


The phone itself is a flagship from Samsung and comes with all the high-end technologies, so the price is expectedly high. If you are going to purchase one then check out the prices of different variants listed below.

●128GB, 12GB: 835$ (approximately)
●256GB, 12GB: 934.99$ (approximately)
●512GB, 12GB: 1179.99$ (approximately)
●512GB, 16GB: 1450$ (approximately)

Final Words

This phone is the ultimate package. Samsung Galaxy S21 Ultra 5G is available in 5 different colors. I personally like the matte black color which is also called phantom black. If you are going to get one then do not forget to choose your favorite color from Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, and Phantom Brown.

As you have seen in the specs that every part of this phone has been built with the newest technology. So it is the best Samsung has ever made. You may have seen smartphones with lower costs and similar features but they are no competition for Samsung. They are one of the most trusted electronics brands in the world.

Tom Bedfard
Tom Bedfard has been showing her expertise in the smartphone area for a decade. In one sentence, she loves smartphones and other smart gadgets. However, Tom is the leader of Techalrm’s review team. Not a single new device can escape her eyes. Well, our every review unit phone or gadget goes to her hands first. Our audiences love her works. Her honest and detailed review contents make her one of the best smartphone reviewers.

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