Last Updated & Fact Checked: March 21, 2026
Are you trying to decide between the OnePlus 8T and the Samsung Galaxy S21?
Product Versus will provide you with all the product details so you can quickly compare the facts to find which product is right for you – the OnePlus 8T or the Samsung Galaxy S21 – and find out exactly what the differences are.
Both the OnePlus 8T and the Samsung Galaxy S21 are quality products, so read on to find out which one is best for your needs!
OnePlus 8T quick facts
Samsung Galaxy S21 quick facts
OnePlus 8T product details
Bestseller No. 1
OnePlus 8T+ 5G 12GB(RAM)+256GB 120Hz Display (T-Mobile/Sprint Unlocked) KB2007 Single SIM Smartphone - Aquamarine Green (Renewed)
- Product Type -Cellular Phone
- Package Quantity-1
- Package Dimension-9.649999990157 inchesL X 3.8199999961036 inchesW X 2.4399999975112 inchesH
- Package Weight -1.28088574222 Lbs
Bestseller No. 2
OnePlus 8T+ 5G 12GB(RAM)+256GB 120Hz Display (T-Mobile / Sprint Unlocked) KB2007 Single SIM Smartphone - Lunar Silver (Renewed)
- Network Support: Unlocked
- Storage Capacity: 256 GB
- Color: Silver
- Cosmetic Condition: Grade B+
- Screen Size: 6.55 in.
Bestseller No. 3
Ubrokeifixit for OnePlus 8T Housing Rear Panel Back Glass Door Cover Replacement for OnePlus 8T 6.55"(NOT for 8 6.55",NOT for 8 Pro 6.78") (8T 6.55"/Green)
- Tips : NOT fits for OnePlus 8 6.55" IN2013, IN2017 ; NOT fits for OnePlus 8 5G UW Verizon ; NOT fits for OnePlus 8 5G T-Mobile ; NOT fits for OnePlus 8 Pro 5G 6.78" IN2023, IN2020, IN2021, IN2025 .
- Compatible with : OnePlus 8T 6.55" KB2001, KB2000, KB2003, KB2005 ; OnePlus 8T+ 5G KB2007 .
- Logo is on back cover. Package Content : 1 * Green Color Oneplus 8T 6.55" Back Glass Cover With Camera Glass Lens Frame Cover ; 1 * Gift Tool kit .
- Please confirm you can install by yourself. We will not be responsible for any damages to your cellphone that you may cause during the changing of replacement parts .
- You can search the keyword “how to replace the OnePlus 8T Back Glass Cover" to get the video from youtube or google .
Samsung Galaxy S21 product details
Bestseller No. 1
Samsung Galaxy S21 5G, US Version, 128GB, Phantom Gray - Unlocked (Renewed)
- Display: 6.2" AMOLED display with 120Hz refresh rate and 1300 nits brightness for vivid visuals and smooth scrolling.
- Camera: Rear dual camera system with 64MP main and 12MP ultrawide lenses for stunning photos and videos.
- Memory: 128GB internal storage and 8GB RAM for plenty of apps and files.
- Connectivity: 5G capable with support for GSM, CDMA, and Wi-Fi networks.
- Battery: 4000mAh battery provides all-day power for your daily needs.
Bestseller No. 2
Samsung Galaxy S21 FE 5G, US Version, 128GB, Gray - Unlocked (Renewed)
- The Galaxy S21 FE sports a sleek polycarbonate back with a premium matte finish that resists fingerprints and feels smooth in hand, giving it a stylish yet practical design.
- It supports Samsung’s Smart Switch and One UI 4.1, allowing seamless migration of apps and settings, plus customizable widgets and multitasking features for a more personal and efficient user experience.
- The device is optimized for gaming with GPU enhancements and Game Booster mode, reducing lag, overheating, and background distractions for smoother gameplay.
- Includes advanced AI camera features like Single Take, Super Steady video, and Portrait Mode with AI background blur, making professional-looking shots easier for everyday users.
- With ultra-low latency Wi-Fi 6 support and stereo speakers tuned by AKG, the S21 FE delivers immersive streaming, video calls, and music experiences, all with minimal lag and rich sound quality.
Bestseller No. 3
Samsung Galaxy S21 5G, US Version, 128GB, Phantom Violet - Unlocked (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
New products & alternatives to the OnePlus 8T and the Samsung Galaxy S21
New
OnePlus 15R, 12GB RAM + 512GB Storage, Dual-SIM, Unlocked Android Smartphone, Snapdragon 8 Gen 5, 7400mAh Battery, Charcoal Black
- World's First Snapdragon 8 Gen 5: Powered by the Snapdragon 8 Gen 5, plus a custom Wi-Fi chip and dedicated Touch Response chip, you get lightning-fast speeds, stable connections, and ultra-responsive touch control.
- Impossibly Smooth 165Hz Display: Experience extreme smoothness on a 165Hz, 1.5K flagship display powered by our 3200Hz Touch Response Chip for lightning-fast interactions.
- Our largest-ever 7,400mAh battery:Power up your day with 80W SUPERVOOC charging for power that last all day and beyond.
- Industry's Most Complete IP Ratings:Backed by the industry's most complete IP ratings, the OnePlus 15R doesn't even blink at dust storms, and shrugs off powerful water blasts.
- OxygenOS 16 delivers a faster, smoother, and more intuitive experience, with refined design, smarter features, and enhanced performance that keeps up with your day.
New
OnePlus 15, 16GB RAM + 512GB Storage, Dual-SIM, Unlocked Android Smartphone, Snapdragon 8 Elite Gen 5, 7300mAh Battery, Infinite Black
- Massive 7,300 mAh Battery – Go longer between charges with power that lasts all day and beyond.
- Tri-Chip System – Combines the Snapdragon 8 Elite Gen 5 with our dedicated Wi-Fi chip, and CPU scheduler for faster performance, smoother connectivity, and superior efficiency.
- Triple 50 MP Camera System – Capture every detail with wide, ultra-wide, and telephoto versatility.
- Our Most Durable Phone Yet – Built tough to resist dust and water for reliable everyday protection. IP66/IP68/IP69 and IP19K rated.
- 6.78″ 165 Hz AMOLED Display – Experience vivid colors, ultra-smooth motion, and stunning clarity.
New
OnePlus 13, 16GB RAM + 512GB Storage, Dual-SIM, Unlocked Android Smartphone, Snapdragon 8 Elite, 80W SUPERVOOC Fast Charging and 50W AIRVOOC Charging, Advanced Hasselblad Camera, 2025, Black Eclipse
- Lightning-Fast Snapdragon 8 Elite Processor: Powered by the latest Qualcomm Snapdragon 8 Elite chipset, enjoy exceptional speed, efficiency, and performance for gaming, multitasking, and productivity.
- Massive 6000mAh Battery: Keep going all day long with a large 6000mAh battery that supports fast charging 80W SuperVOOC to get you back up and running quickly.
- Stunning 120Hz ProXDR Display: Experience vibrant colors and ultra-smooth visuals on a QHD+ ProXDR display with a 120Hz refresh rate, perfect for gaming, streaming, and everyday use.
- 5th Gen Hasselblad Camera System: Capture every moment in breathtaking detail with the advanced triple-camera setup featuring a all round 50MP lens for stunning photos and videos, day or night.
- Built-In Ultrasonic Fingerprint Sensor: Unlock your phone securely and effortlessly with the advanced ultrasonic fingerprint sensor for quick access to your device.
New
OnePlus 13R, 12GB RAM + 256GB Storage, Dual-SIM, Unlocked Android Smartphone, Powered by Snapdragon 8 Gen 3, 55W SUPERVOOC Fast Charging, 2025, Nebula Noir
- Performance with Snapdragon 8 Gen 3: Experience the cutting-edge power of the Snapdragon 8 Gen 3 chipset, offering blazing-fast speeds, enhanced gaming performance, and seamless multitasking for an ultra-smooth mobile experience.
- Long-Lasting 6000mAh Battery: Keep the power flowing with the 6000mAh battery, designed to last through your busiest days without constantly searching for a charger.
- Premium Design & Build: The OnePlus 13R boasts a new sleek, and premium design, offering a sophisticated feel and durability in the palm of your hand.
- 120Hz ProXDR Display: Dive into vibrant, fluid visuals on a ProXDR display with a 120Hz refresh rate. Enjoy smooth scrolling, vivid colors, and immersive viewing whether you're gaming, watching videos, or browsing.
- 5G Connectivity & Wi-Fi 7: Enjoy ultra-fast 5G speeds and Wi-Fi 7 support, ensuring smooth streaming, quicker downloads, and seamless online experiences, no matter where you are.
New
OnePlus Nord N20 (5G) 128GB 6.43" AMOLED Display T-Mobile Only- Blue Smoke (Renewed)
- 5G Enabled - The OnePlus Nord N20 is the perfect entry-level 5G phone, featuring premium specs and an affordable price. *5G compatible with T-Mobile
- Display: Features a 6.43-inch AMOLED display with 128GB of storage and 68 minutes of battery life
- Camera: Includes a 5MP front camera and 5G connectivity for fast wireless speeds
- Memory: Comes with 6GB of RAM and a 4500mAh battery for extended use
- Security: Equipped with a fingerprint sensor for quick and secure access
Our conclusion on the OnePlus 8T vs Samsung Galaxy S21
Both the OnePlus 8T and the Samsung Galaxy S21 are high quality products and we are sure you will be happy with either one. In the end it comes down to your budget and the value for money you are looking for.
Either way, the OnePlus 8T and the Samsung Galaxy S21 are both excellent products that will more than do their job!