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Feature | Details |
|---|---|
Launch Year | 2021 |
Display | 6.8-inch Quad HD+ Dynamic AMOLED 2X Infinity-O Display |
Processor | Exynos 2100 / Snapdragon 888, depending on market |
Camera System | 108MP Wide + 12MP Ultra Wide + 10MP Telephoto + 10MP Telephoto |
Battery | 5,000mAh |
Storage Options | 12GB or 16GB RAM / 128GB, 256GB or 512GB Storage |
Charging Port | USB-C |
Weight | 229g |
The Samsung Galaxy S21 Ultra is the premium model in the Galaxy S21 series, designed for users who want a large display, stronger camera hardware, 5G connectivity and flagship Samsung performance.
It features a 6.8-inch Quad HD+ Dynamic AMOLED 2X Infinity-O display, adaptive 120Hz refresh rate, Exynos 2100 or Snapdragon 888 processor depending on market, quad rear camera system, 40MP front camera, 5,000mAh battery, USB-C charging, wireless charging, Wireless PowerShare, IP68 water resistance and 5G support.
Compared with the Galaxy S21 and Galaxy S21+, the Galaxy S21 Ultra has a sharper Quad HD+ display, larger 5,000mAh battery, stronger 108MP camera system, dual telephoto lenses, 40MP front camera and S Pen compatibility. It is suitable for users who want a large Samsung flagship for photography, videos, browsing, mobile banking, social media, multitasking and productivity.
The Galaxy S21 Ultra supports S Pen input, but the S Pen is not built into the phone body. Users who want a built-in S Pen should compare it with the Galaxy Note20 Ultra or newer Galaxy S Ultra models with integrated S Pen support.
The Galaxy S21 Ultra has a 6.8-inch Quad HD+ Dynamic AMOLED 2X display with adaptive 120Hz refresh rate.
Why it matters:
• Large and sharp display for videos, reading and multitasking
• Quad HD+ resolution gives clearer text and images
• Adaptive 120Hz refresh rate gives smoother scrolling
• AMOLED display gives strong contrast and vibrant colours
• Good option for users who want a premium large Samsung display
The Galaxy S21 Ultra has a quad rear camera system led by a 108MP Wide camera with dual telephoto lenses.
Why it matters:
• Stronger camera system than the standard Galaxy S21 models
• 108MP camera is useful for detailed photos and cropping
• Ultra Wide camera is useful for scenery, interiors and group photos
• Dual telephoto lenses help with closer shots and long-range zoom
• Suitable for users who care about camera flexibility
The Galaxy S21 Ultra supports 5G connectivity and S Pen input.
Why it matters:
• Faster mobile data where 5G coverage is available
• More future-ready than older 4G-only Samsung phones
• S Pen support is useful for notes, drawing and document markup
• Suitable for productivity and creative use
• First Galaxy S Ultra model to support S Pen input
Feature | Specification | Why It Matters |
|---|---|---|
Display | 6.8-inch Quad HD+ Dynamic AMOLED 2X Infinity-O Display | Large premium display for browsing, videos and productivity |
Display Resolution | 3200 x 1440 | High-resolution screen for clearer text, images and videos |
Refresh Rate | Adaptive 120Hz | Smoother scrolling while adjusting refresh rate based on content |
Processor | Exynos 2100 / Snapdragon 888, depending on market | Former flagship processor suitable for daily apps and multitasking |
RAM & Storage | 12GB or 16GB RAM / 128GB, 256GB or 512GB Storage | Strong memory and storage options for apps, photos, videos and files |
microSD Support | Not Supported | Important to note if you need expandable storage |
Rear Camera System | 108MP Wide + 12MP Ultra Wide + 10MP Telephoto + 10MP Telephoto | Premium camera setup for detailed photos, wide shots and zoom |
Main Camera | 108MP Wide with OIS | Useful for detailed photos and cropping |
Ultra Wide Camera | 12MP Ultra Wide | Useful for scenery, group shots and tight spaces |
Telephoto Cameras | Dual 10MP Telephoto Cameras | Useful for portraits, closer framing and long-range zoom |
Front Camera | 40MP Selfie Camera | Higher-resolution selfie camera for photos and video calls |
Video Recording | 8K Video Recording up to 24fps | High-resolution video capture for advanced users |
Battery | 5,000mAh | Large battery capacity for a flagship phone |
Charging | USB-C with 25W Super Fast Charging support | Faster wired charging with a compatible charger |
Wireless Charging | Supported | Convenient charging without cable |
Wireless PowerShare | Supported | Can share battery with compatible Qi devices |
S Pen Support | Supported, sold separately | Useful for notes, drawing and document markup |
Water Resistance | IP68 | Protection against dust and accidental water exposure |
Network | 5G | Faster mobile data where 5G coverage is available |
Weight | 229g | Large and premium Ultra-series body |
Feature | Galaxy S21 | Galaxy S21+ | Galaxy S21 FE | Galaxy S21 Ultra |
|---|---|---|---|---|
Launch Year | 2021 | 2021 | 2022 | 2021 |
Display | 6.2-inch Dynamic AMOLED 2X | 6.7-inch Dynamic AMOLED 2X | 6.4-inch Dynamic AMOLED 2X | 6.8-inch Dynamic AMOLED 2X |
Display Resolution | 2400 x 1080 | 2400 x 1080 | 2340 x 1080 | 3200 x 1440 |
Refresh Rate | Adaptive 120Hz | Adaptive 120Hz | 120Hz | Adaptive 120Hz |
Processor | Exynos 2100 / Snapdragon 888 | Exynos 2100 / Snapdragon 888 | Exynos 2100 / Snapdragon 888 | Exynos 2100 / Snapdragon 888 |
RAM & Storage | 8GB / 128GB or 256GB | 8GB / 128GB or 256GB | 6GB or 8GB / 128GB or 256GB | 12GB or 16GB / up to 512GB |
Rear Camera System | 12MP + 12MP + 64MP | 12MP + 12MP + 64MP | 12MP + 12MP + 8MP | 108MP + 12MP + 10MP + 10MP |
Front Camera | 10MP | 10MP | 32MP | 40MP |
Battery | 4,000mAh | 4,800mAh | 4,500mAh | 5,000mAh |
S Pen Support | Not Supported | Not Supported | Not Supported | Supported |
microSD Support | Not Supported | Not Supported | Not Supported | Not Supported |
Network | 5G | 5G | 5G | 5G |
Water Resistance | IP68 | IP68 | IP68 | IP68 |
Weight | 169g / 171g | 200g / 202g | 177g | 229g |
Best Advantage | Compact S21 flagship | Larger display and battery | FE value with larger battery | Best S21 camera, display and S Pen support |
Model | Recommended For |
|---|---|
Galaxy S21 | Users who want the most compact Galaxy S21 model |
Galaxy S21+ | Users who want a larger display and bigger battery |
Galaxy S21 FE | Users who want S21-style features with better value |
Galaxy S21 Ultra | Users who want the best S21 camera system, display, battery and S Pen support |
If you’re considering the Galaxy S21 Ultra, you may also want to compare:
• Samsung Galaxy Note 20 Ultra 5G
Comparing similar models can help you decide whether you need built-in S Pen storage, newer software support, stronger camera processing, better battery life, iOS, or a more compact phone.
The Galaxy S21 Ultra is suitable for everyday use such as calls, messaging, browsing, email, mobile banking, photos, video watching, gaming and social media. It is also suitable for users who want a large display, strong camera system and S Pen compatibility.
Yes. The Galaxy S21 Ultra supports 5G where network coverage and carrier support are available.
Yes. The Galaxy S21 Ultra supports S Pen input, but the S Pen is sold separately and there is no built-in S Pen slot. Users who want a built-in S Pen should consider the Galaxy Note20 Ultra or newer Galaxy S Ultra models with integrated S Pen storage.
No. The Galaxy S21 Ultra does not support microSD card expansion. Choose the storage size carefully, especially if you store many photos, videos or apps.
Yes. The Galaxy S21 Ultra has a larger and sharper Quad HD+ display, bigger 5,000mAh battery, stronger 108MP quad camera system, 40MP front camera, more RAM options and S Pen support. The Galaxy S21 is smaller, lighter and easier to carry.
The Galaxy S21 Ultra is worth considering if you want a premium Samsung phone with 5G, large 120Hz AMOLED display, strong camera system, wireless charging, IP68 water resistance and S Pen support. For built-in S Pen storage, newer processor and longer software support, newer Galaxy S Ultra models may be better options.
The Samsung Galaxy S21 Ultra is suitable for users who want a premium Samsung flagship with a large display, strong camera system, 5G connectivity and S Pen support. It offers a 6.8-inch Quad HD+ Dynamic AMOLED 2X display, adaptive 120Hz refresh rate, Exynos 2100 or Snapdragon 888 processor depending on market, up to 16GB RAM, up to 512GB storage, 108MP quad rear camera system, 40MP front camera, 5,000mAh battery, USB-C charging, wireless charging, Wireless PowerShare, IP68 water resistance and a premium Ultra-series body.
Compare available Galaxy S21 Ultra listings by colour, storage capacity, condition and warranty from verified local sellers on SellUp Marketplace.
