Top 20 Best S21 8K That You Should Buy- Ultimate Guide, Review & Comparison

The future of the best s21 8k is here, and we’ve got all the best picks for 2023. We have compiled 49842 reviews from top experts that led us to these 20 devices on the list.

The Best S21 8K Deals This Week: 

SaleBestseller No. 1
Samsung Galaxy S21 Ultra | Factory Unlocked Android Cell Phone | US Version 5G Smartphone | Pro-Grade Camera, 8K Video, 108MP High Res | 128GB, Phantom Black (SM-G998UZKAXAA) (Renewed)
  • Pro Grade Camera: Zoom in close, take photos and videos like a pro, and capture incredible share-ready moments with our easy-to-use, multi lens camera
  • Sharp 8K Video: Capture your life’s best moments in head-turning, super-smooth 8K video that gives your movies that cinema-style quality Multiple Ways to Record: Create share-ready videos and GIFs on the spot with multi-cam recording and automatic professional-style effects
  • 100x Zoom: Get amazing clarity with a dual lens combo of 3x and 10x optical zoom, or go even further with our revolutionary 100x Space Zoom Highest Smartphone Resolution: Crystal clear 108MP allows you to pinch, crop and zoom in on your photos to see tiny, unexpected details, while lightning-fast Laser Focus keeps your focal point clear
  • All Day Intelligent Battery: Intuitively manages your cellphone’s usage to conserve energy, so you can go all day without charging
SaleBestseller No. 2
Samsung Galaxy S21 5G | Factory Unlocked Android Cell Phone | US Version 5G Smartphone | Pro-Grade Camera, 8K Video, 64MP High Res | 128GB, Phantom Violet (SM-G991UZVAXAA) - (Renewed)
  • Item Package Dimension: 8.49999999133L X 6.2599999936148W X 2.7599999971848H Inches
  • Item Package Weight - 0.65918216338 Pounds
  • Item Package Quantity - 1
  • Product Type - Cellular Phone
SaleBestseller No. 3
Samsung Galaxy S21+ Plus G996U | Android Cell Phone | US Version 5G Smartphone | Pro-Grade Camera, 8K Video, 64MP High Res | 128GB, T-Mobile Locked, Phantom Black - (Renewed)
  • Phones are T-Mobile LOCKED.
  • Pro Grade Camera: Zoom in close, take photos and videos like a pro, and capture incredible share-ready moments with our easy-to-use, multi-lens camera
  • Sharp 8K Video: Capture your life’s best moments in head-turning, super-smooth 8K video that gives your movies that cinema-style quality
  • Multiple Ways to Record: Create share-ready videos and GIFs on the spot with multi-cam recording and automatic professional-style effects 30 Space Zoom: Get amazing power and clarity, zoom in from afar or magnify details of nearby objects; Zoom Lock keeps focus and stability
  • Higher Resolution: 64 MP camera system captures and shares detailed portraits, stunning landscapes and crisp close-ups All Day Intelligent Battery: Intuitively manages your cellphone’s usage to conserve energy, so you can go all day without charging (based on average battery life under typical usage conditions)
Bestseller No. 4
Samsung Electronics Galaxy S21 5G G991U | Android Cell Phone | US Version 5G Smartphone | Pro-Grade Camera, 8K Video, 64MP High Res | 256GB, Phantom Gray - T-Mobile Locked - (Renewed)
  • Phones are T-Mobile Locked.
  • Come packaged in aftermarket box with a generic charger and cable. Does NOT include a headset, Sim card, or manual.
  • Pro Grade Camera: Zoom in close, take photos and videos like a pro, and capture incredible share-ready moments with our easy-to-use, multi-lens camera
  • Sharp 8K Video: Capture your life’s best moments in head-turning, super-smooth 8K video that gives your movies that cinema-style quality Multiple Ways to Record: Create share-ready videos and GIFs on the spot with multi-cam recording and automatic professional-style effects
  • Higher Resolution: 64 MP camera system captures and shares detailed portraits, stunning landscapes and crisp close-ups All Day Intelligent Battery: Intuitively manages your cellphone’s usage to conserve energy, so you can go all day without charging (based on average battery life under typical usage conditions)
SaleBestseller No. 5
SAMSUNG Galaxy S21 Ultra 5G | Factory Unlocked Android Cell Phone | US Version Smartphone | Pro-Grade Camera, 8K Video, 108MP High Res | 128GB, Phantom Silver (SM-G998UZSAXAA) - (Renewed)
  • Pro Grade Camera: Zoom in close, take photos and videos like a pro, and capture incredible share-ready moments with our easy-to-use, multi lens camera
  • Sharp 8K Video: Capture your life’s best moments in head-turning, super-smooth 8K video that gives your movies that cinema-style quality Multiple Ways to Record: Create share-ready videos and GIFs on the spot with multi-cam recording and automatic professional-style effects
  • 100x Zoom: Get amazing clarity with a dual lens combo of 3x and 10x optical zoom, or go even further with our revolutionary 100x Space Zoom Highest Smartphone Resolution: Crystal clear 108MP allows you to pinch, crop and zoom in on your photos to see tiny, unexpected details, while lightning-fast Laser Focus keeps your focal point clear
  • All Day Intelligent Battery: Intuitively manages your cellphone’s usage to conserve energy, so you can go all day without charging (based on average battery life under typical usage conditions) Power of 5G: Get next-level power for everything you love to do with Galaxy 5G; More sharing, more gaming, more experiences and never miss a beat
SaleBestseller No. 6
SAMSUNG Galaxy S21 Ultra G998U | Fully Unlocked Android Smartphone | US Version 5G Smartphone | Pro-Grade Camera, 8K Video, 108MP High Resolution | 128GB - Phantom Black (Renewed)
  • This phone is unlocked and compatible with any carrier of choice on GSM and CDMA networks (e.g. AT&T, T-Mobile, Sprint, Verizon, Cricket, Tracfone, Mint Mobile, etc.).
  • Please check with your carrier to verify compatibility.
  • When you receive the phone, insert a SIM card from a compatible carrier. Then, turn it on, connect to Wi-Fi, and follow the on screen prompts to activate service.
  • The device does not come with headphones or a SIM card. It does include a charger and charging cable that may be generic.
  • Comes packaged in an aftermarket box.
SaleBestseller No. 7
Samsung Galaxy S21 Ultra 5G | G998U Android Cell Phone | US Version Smartphone | Pro-Grade Camera, 8K Video, 108MP High Res | 128GB, Phantom Black - Verizon Locked - (Renewed)
  • Locked to Verizon ONLY.
  • Pro Grade Camera: Zoom in close, take photos and videos like a pro, and capture incredible share-ready moments with our easy-to-use, multi lens camera
  • Sharp 8K Video: Capture your life’s best moments in head-turning, super-smooth 8K video that gives your movies that cinema-style quality Multiple Ways to Record: Create share-ready videos and GIFs on the spot with multi-cam recording and automatic professional-style effects
  • 100x Zoom: Get amazing clarity with a dual lens combo of 3x and 10x optical zoom, or go even further with our revolutionary 100x Space Zoom Highest Smartphone Resolution: Crystal clear 108MP allows you to pinch, crop and zoom in on your photos to see tiny, unexpected details, while lightning-fast Laser Focus keeps your focal point clear
SaleBestseller No. 8
Samsung Galaxy S21 Ultra 5G | G998U Android Cell Phone | US Version Smartphone | Pro-Grade Camera, 8K Video, 108MP High Res | 128GB, T-Mobile Locked, (Renewed)
  • Phones are Locked for T-Mobile use ONLY.
  • Pro Grade Camera: Zoom in close, take photos and videos like a pro, and capture incredible share-ready moments with our easy-to-use, multi lens camera
  • Sharp 8K Video: Capture your life’s best moments in head-turning, super-smooth 8K video that gives your movies that cinema-style quality Multiple Ways to Record: Create share-ready videos and GIFs on the spot with multi-cam recording and automatic professional-style effects
  • 100x Zoom: Get amazing clarity with a dual lens combo of 3x and 10x optical zoom, or go even further with our revolutionary 100x Space Zoom Highest Smartphone Resolution: Crystal clear 108MP allows you to pinch, crop and zoom in on your photos to see tiny, unexpected details, while lightning-fast Laser Focus keeps your focal point clear
Bestseller No. 9
(8 Pack) for Samsung Galaxy S21+ Plus 5G Case, Soft Silicone Bumper Phone Case Shell Shockproof Cover for Galaxy S21 Plus 5G 6.7 Inch, Red, Light Pink, Yellow, deep Pink,Sky Blue,Purple,Blue, Black
  • 【Durable Silicone Case】for Samsung Galaxy S21 Plus, Provide Multiple 8 Color. Support Wireless Charging.
  • 【Full Body Protection】1mm lip outer design, raises above the screen slightly, protect your smartphone screen or camera dropping or laying face down on surface.
  • 【Slim & Perfect Fits】Precise Cutouts for Easy Access to All Ports, Not Interfere with Microphone Using; Slim but Protective, Add No Extra Bulk to Your Phone.
  • 【8 Package Beauty and Fashion Color】 provided you 8 colors of liquid silicone cases ,make your life more colorful.
  • 【Best Customer Service】 For Samsung Galaxy S21 Plus phone case quality issues, We will provide you with the best and most reliable customer service, please feel free to contact us.
Bestseller No. 10
8 Pack Universal Waterproof Phone Pouch, Large Phone Dry Bag Waterproof Case for Apple iPhone 13 12 11 Pro Max XS Max XR X 8 7 6 Plus SE, Samsung S21 S20 S10,Note,Up to 7"
  • Materials:The case is made of durable PC and transparent PVC materials. Super thin 0.3mm material makes touch sensitive, not any delay. IP68 Certified 30 meter underwater
  • Universal design: waterproof case dry bag fits all smart phones up to 7" diagonal size, waterproof case dry bag for beach, fishing, swimming, boating, kayaking, snorkeling and water park activities
  • Features a simple snap and lock access, easy to keep out water, snow, dust, sand, and dirt, provide full protection for ID, credit cards, cash, MP3 player, phones, and keys from water damage. Perfect for rafting, swimming, boating, skiing
  • Clear Window on both front and back sides, perfect for taking pictures, play games, videos and checking emails
  • High quality items from brand Famoby,we will try our best offer the best service .The best service only be provided by Famoby.
SaleBestseller No. 11
SAMSUNG Galaxy S21 Ultra 5G Factory Unlocked Android Cell Phone 128GB US Version Smartphone Pro-Grade Camera 8K Video 108MP High Res, Phantom Silver
  • PRO-GRADE CAMERA: Zoom in close with 100X Space Zoom, and take photos and videos like a pro with our easy-to-use, multi-lens camera..Form_factor : Smartphone.Display resolution maximum:3200 x 1440 pixels
  • SHARP 8K VIDEO: Capture your life’s best moments in head-turning, super-smooth, cinema quality 8K Video.
  • MULTIPLE WAYS TO RECORD: Create share-ready videos and GIFs with multi-cam recording and automatic, professional-style effects.
  • HIGHER RESOLUTION, 100X ZOOM: Get amazing clarity with a dual lens combo of 3X and 10X optical zoom and revolutionary 100X Space Zoom.
  • ALL DAY INTELLIGENT BATTERY: Intuitively manages your cellphone’s usage, so you can go all day without charging.
SaleBestseller No. 12
SAMSUNG 65-Inch Class Neo QLED 8K QN800A Series - 8K UHD Quantum HDR 32x Smart TV with Alexa Built-in (QN65QN800AFXZA, 2021 Model)
  • QUANTUM MATRIX TECHNOLOGY WITH MINI LED: A brilliantly intense picture powered by tiny hyper-focused light cells.
  • SAMSUNG NEO QUANTUM PROCESSOR 8K: Upgrade every picture to 8K with multi-layered neural networks.
  • INFINITY ONE DESIGN: Beauty derived from simplicity of design.
  • OBJECT TRACKING SOUND+: Dynamic sound that tracks and follows on screen action.
  • QUANTUM HDR 32X: Spectacular clarity brings the director's vision to life.* *The range of Quantum HDR claims luminance based on internal testing standards and is subject to change according to viewing environment or specific conditions.
Bestseller No. 13
Samsung Galaxy S21+ Plus 5G G996U Android Cell Phone | US Version 5G Smartphone | Pro-Grade Camera, 8K Video, 64MP High Res | 128GB, Phantom Violet, T-Mobile Locked (Renewed)
  • Phones are Locked to T-Mobile Service ONLY.
  • Pro Grade Camera: Zoom in close, take photos and videos like a pro, and capture incredible share-ready moments with our easy-to-use, multi-lens camera
  • Sharp 8K Video: Capture your life’s best moments in head-turning, super-smooth 8K video that gives your movies that cinema-style quality Multiple Ways to Record: Create share-ready videos and GIFs on the spot with multi-cam recording and automatic professional-style effects
  • 30 Space Zoom: Get amazing power and clarity, zoom in from afar or magnify details of nearby objects; Zoom Lock keeps focus and stability Higher Resolution: 64 MP camera system captures and shares detailed portraits, stunning landscapes and crisp close-ups
  • All Day Intelligent Battery: Intuitively manages your cellphone’s usage to conserve energy, so you can go all day without charging (based on average battery life under typical usage conditions)
Bestseller No. 14
Samsung Galaxy S21 Ultra 5G | G998U Android Cell Phone | US Version 5G Smartphone | Pro-Grade Camera, 8K Video, 108MP High Res | 128GB, Phantom Silver - Verizon Locked - (Renewed)
  • Phones are Verizon Locked.
  • Pro Grade Camera: Zoom in close, take photos and videos like a pro, and capture incredible share-ready moments with our easy-to-use, multi lens camera
  • Sharp 8K Video: Capture your life’s best moments in head-turning, super-smooth 8K video that gives your movies that cinema-style quality Multiple Ways to Record: Create share-ready videos and GIFs on the spot with multi-cam recording and automatic professional-style effects
  • 100x Zoom: Get amazing clarity with a dual lens combo of 3x and 10x optical zoom, or go even further with our revolutionary 100x Space Zoom Highest Smartphone Resolution: Crystal clear 108MP allows you to pinch, crop and zoom in on your photos to see tiny, unexpected details, while lightning-fast Laser Focus keeps your focal point clear
  • Phones are packaged in aftermarket box and include a generic charger and cable. Headset, manual, or Sim card are NOT included.
SaleBestseller No. 15
Samsung Electronics Samsung Galaxy S21 5G Enterprise Edition | Factory Unlocked Android | US Version | Pro-Grade Camera, 8K Video, 64MP High Res | 128GB, Phantom Gray (SM-G991UZAAN14)
  • Business Ready, Right Out Of The Box: Our Best Devices — Now Paired With A Complete Package Of Business-Ready Services. Samsung Galaxy Enterprise Edition Is Designed For End-To-End Management, Backed With Years Of Security And Specifically Put On A Longer Lifecycle.Form_factor : Smartphone.Display resolution maximum:3200 x 1440 pixels
  • Seamless Microsoft Integration: Getting Work Done On Your Smartphone Is More Important Than Ever Before. The Galaxy S21 Comes Integrated With Microsoft Office, Onedrive And Teams So You Can Easily Access All Your Files, Photos And Reminders—Whether You’Re In The Office, Working From Home Or On The Move
  • Knox Suite Combines Our Most Popular Solutions Into One End-To-End Management Platform—And It’S Absolutely Free For An Entire Year
  • Knox Suite Is Mobile Management Made Easy: From Deploying Software Updates To Deep Customization, Knox Suite Keeps Your Mobile Fleet Secure And In Sync
Bestseller No. 16
Samsung Galaxy S21 5G G991U | Factory Unlocked Android Cell Phone | US Version 5G Smartphone | Pro-Grade Camera, 8K Video, 64MP High Res | 256GB, Phantom Gray - (Renewed)
  • Item Package Dimension: 6.7L X 3.4W X 2.44H Inches
  • Item Package Weight - 0.8 Pounds
  • Item Package Quantity - 1
  • Product Type - Cellular Phone
SaleBestseller No. 17
Samsung Galaxy S21 Ultra 5G | G998U Android Cell Phone | US Version 5G Smartphone | Pro-Grade Camera, 8K Video, 108MP High Res | 512GB, Phantom Black, T-Mobile Locked - (Renewed)
  • Phones are locked for T-Mobile use ONLY.
  • Pro Grade Camera: Zoom in close, take photos and videos like a pro, and capture incredible share-ready moments with our easy-to-use, multi lens camera
  • Sharp 8K Video: Capture your life’s best moments in head-turning, super-smooth 8K video that gives your movies that cinema-style quality Multiple Ways to Record: Create share-ready videos and GIFs on the spot with multi-cam recording and automatic professional-style effects
  • 100x Zoom: Get amazing clarity with a dual lens combo of 3x and 10x optical zoom, or go even further with our revolutionary 100x Space Zoom Highest Smartphone Resolution: Crystal clear 108MP allows you to pinch, crop and zoom in on your photos to see tiny, unexpected details, while lightning-fast Laser Focus keeps your focal point clear
SaleBestseller No. 18
SAMSUNG Galaxy Z Fold 3 5G Cell Phone, Factory Unlocked 2-in-1 Android Smartphone Tablet, 512GB, 120Hz, Foldable Dual Screen, Under Display Camera, US Version, Phantom Black
  • EXPANSIVE SCREEN: See more and do more with the ultimate folding mobile phone screen that puts a super slim tablet right in your pocket.Form_factor : Foldable Screen
  • NEARLY INVISIBLE CAMERA: Take in an incredible uninterrupted view with a true edge-to-edge viewing experience thanks to our first-ever Under Display Camera
  • 120Hz AMOLED 2X SCREEN: Everything looks brilliant on this big, beautiful clear display offering a mesmerizing and dynamic viewing experience
  • MULTIPLE WINDOWS GET MORE DONE: Start working smarter, not harder with three multi-windows that allow you to schedule, edit, and build presentations in a snap — or take notes with the S Pen
  • HYPER FAST SPEED: Live life in the fast lane with built-in 5G connectivity and hyper-fast processing power
Bestseller No. 19
SAMSUNG Galaxy S21+ Plus G996U 5G | Fully Unlocked Android Cell Phone | US Version Smartphone | Pro-Grade Camera, 8K Video, 64MP High Res | 128GB - Phantom Black - (Renewed)
  • Comes packaged in an aftermarket box and includes a Generic charger and cable. Does NOT include a headset, Sim card, or manual.
  • Pro Grade Camera: Zoom in close, take photos and videos like a pro, and capture incredible share-ready moments with our easy-to-use, multi-lens camera
  • Sharp 8K Video: Capture your life’s best moments in head-turning, super-smooth 8K video that gives your movies that cinema-style quality
  • Multiple Ways to Record: Create share-ready videos and GIFs on the spot with multi-cam recording and automatic professional-style effects
  • All Day Intelligent Battery: Intuitively manages your cellphone’s usage to conserve energy, so you can go all day without charging (based on average battery life under typical usage conditions)
SaleBestseller No. 20
Samsung Galaxy S21+ Plus G996U 5G | Android Cell Phone | US Version 5G Smartphone | Pro-Grade Camera, 8K Video, 64MP High Res | 128GB, T-Mobile Locked, Phantom Silver - (Renewed)
  • Phones are Locked to T-Mobile Only.
  • Pro Grade Camera: Zoom in close, take photos and videos like a pro, and capture incredible share-ready moments with our easy-to-use, multi-lens camera
  • Sharp 8K Video: Capture your life’s best moments in head-turning, super-smooth 8K video that gives your movies that cinema-style quality
  • Multiple Ways to Record: Create share-ready videos and GIFs on the spot with multi-cam recording and automatic professional-style effects 30 Space Zoom: Get amazing power and clarity, zoom in from afar or magnify details of nearby objects; Zoom Lock keeps focus and stability
  • Higher Resolution: 64 MP camera system captures and shares detailed portraits, stunning landscapes and crisp close-ups All Day Intelligent Battery: Intuitively manages your cellphone’s usage to conserve energy, so you can go all day without charging (based on average battery life under typical usage conditions)

Bottom Line about S21 8K

When you purchase s21 8k, it’s important to consider whether or not the item will actually serve its purpose. Sometimes we may think that an acquisition is necessary when really there are other options available at a lower cost, which would suffice just as well with no loss in value–reviewing these alternatives beforehand can help avoid wasting money on unnecessary purchases later down the line. 

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