Last Updated & Fact Checked: April 18, 2026
Are you trying to decide between the Samsung Galaxy S21 and the Samsung Galaxy S8?
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 Samsung Galaxy S21 or the Samsung Galaxy S8 – and find out exactly what the differences are.
Both the Samsung Galaxy S21 and the Samsung Galaxy S8 are quality products, so read on to find out which one is best for your needs!
Samsung Galaxy S21 quick facts
Samsung Galaxy S8 quick facts
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 White - Unlocked (Renewed)
- This pre-owned product has been professionally inspected, tested and cleaned by Amazon qualified vendors.
- This product is in "Excellent condition". The screen and body show no signs of cosmetic damage visible from 12 inches away.
- This product will have a battery that exceeds 80% capacity relative to new.
Samsung Galaxy S8 product details
Bestseller No. 1
SAMSUNG Galaxy S8 | G950 | Factory Unlocked Smartphone | 4G LTE | 64 GB w/12 MP Camera (Renewed) (Midnight)
- Tested for battery health and guaranteed to have a minimum battery capacity of 80%.
- Successfully passed a full diagnostic test which ensures like-new functionality and removal of any prior-user personal information.
- Inspected and guaranteed to have minimal cosmetic damage, which is not noticeable when the device is held at arm's length.
- The device does not come with headphones or a SIM card. It does include a charger and charging cable that may be generic.
- Fully Unlocked: Fully unlocked and compatible with any carrier of choice (e.g. AT&T, T-Mobile, Sprint, Verizon, US-Cellular, Cricket, Metro, etc.), both domestically and internationally.
Bestseller No. 2
SAMSUNG Galaxy S8 | G950 | Factory Unlocked Smartphone | 4G LTE | 64 GB w/12 MP Camera (Renewed) (Arctic Silver)
- Tested for battery health and guaranteed to have a minimum battery capacity of 80%.
- Successfully passed a full diagnostic test which ensures like-new functionality and removal of any prior-user personal information.
- Inspected and guaranteed to have minimal cosmetic damage, which is not noticeable when the device is held at arm's length.
- The device does not come with headphones or a SIM card. It does include a charger and charging cable that may be generic.
- Fully Unlocked: Fully unlocked and compatible with any carrier of choice (e.g. AT&T, T-Mobile, Sprint, Verizon, US-Cellular, Cricket, Metro, etc.), both domestically and internationally.
Bestseller No. 3
Samsung Galaxy S8 (64GB) G950U 5.8" 4G LTE Unlocked (GSM + CDMA, US WARRANTY) (Midnight Black)
- Infinity Display: a bezel less, full frontal, edge to edge screen. Default resolution is Full HD+ and can be changed to Quad HD+ (WQHD+) in Settings
- Camera resolution Front: 8 MP AF, Rear: 12 MP OIS AF
- Memory: Internal Memory 64 GB, RAM 4GB. Earjack : 3.5mm Stereo
- Battery, talk time is up to 30 hrs, video play time is up to 17 hrs
- Dust and Water resistant Water resistant and dustproof based on IP68 Rating, which tests submersion up to 1.5 meter for up to 30 minutes. Not shockproof
New products & alternatives to the Samsung Galaxy S21 and the Samsung Galaxy S8
New
Samsung Galaxy S21 5G, 256GB, Phantom White - Unlocked (Renewed)
- This pre-owned product has been professionally inspected, tested and cleaned by Amazon qualified vendors.
- This product is in "Excellent condition". The screen and body show no signs of cosmetic damage visible from 12 inches away.
- This product will have a battery that exceeds 80% capacity relative to new.
New
Samsung Galaxy A17 5G Smart Phone, 128GB, Large AMOLED, High-Res Camera, Durable Design, Super Fast Charging, Expandable Storage, Circle to Search, 2025, US 1 Yr Manufacturer Warranty, Black
- YOUR CONTENT, SUPER SMOOTH: The ultra-clear 6.7" FHD+ Super AMOLED display of Galaxy A17 5G helps bring your content to life, whether you're scrolling through recipes or video chatting with loved ones.¹
- LIVE FAST. CHARGE FASTER: Focus more on the moment and less on your battery percentage with Galaxy A17 5G. Super Fast Charging powers up your battery so you can get back to life sooner.²
- MEMORIES MADE PICTURE PERFECT: Capture every angle in stunning clarity, from wide family photos to close-ups of friends, with the triple-lens camera on Galaxy A17 5G.
- NEED MORE STORAGE? WE HAVE YOU COVERED: With an improved 2TB of expandable storage, Galaxy A17 5G makes it easy to keep cherished photos, videos and important files readily accessible whenever you need them.³
- BUILT TO LAST: With an improved IP54 rating, Galaxy A17 5G is even more durable than before.⁴ It’s built to resist splashes and dust and comes with a stronger yet slimmer Gorilla Glass Victus front and Glass Fiber Reinforced Polymer back.
New
Samsung Galaxy S21 FE 5G, US Version, 128GB, Olive Green - Boost (Renewed)
- 6.4" FHD+ Dynamic AMOLED 2X, Infinity-O Display (2400x1080), 401ppi, HDR10+ certified, 120Hz refresh rate
- 128GB ROM, 6GB RAM, Qualcomm SM8350 Snapdragon 888 5G (5 nm), Octa-core, 4500mAh Battery
- Rear Camera: 12MP Ultra-Wide + 12MP Wide-angle + 8MP Telephoto, Front Camera: 32MP, Under Display Fingerprint
- 2G: GSM 850/900/1800/1900, CDMA 800/1900 / TD-SCDMA, 3G: HSDPA 850/900/1700(AWS)/1900/2100, CDMA2000 1xEV-DO, 4G: LTE 1/2/3/4/5/7/12/13/29/25/26/28/38/39/40/41/46/48/66/71, 5G: 41/66/71/260/261 SA/NSA/Sub6 (ensure to check compatibility with your carrier before purchase)
- This device is only compatible with the Boost Mobile network.
New
Samsung Galaxy S21+ 5G, US Version, 256GB, Phantom Black - Verizon Locked (Renewed)
- This device is only compatible with the Verizon network.
New
Samsung Galaxy S23 FE 5G, US Version, 128GB, Graphite - Cricket (Renewed)
- DO MORE w/ EPIC BATTERY POWER: Galaxy S23 FE intuitively manages your usage to conserve energy on its own so you can go all day and into the night without charging¹,²; Share, stream, connect and create with a phone that’s ready for anything
- DO-IT-ALL PROCESSING POWER: Give your livestreaming, video editing and social content creation a boost; With the premium processing power you expect from Samsung Galaxy, you can do more of what you love from the palm of your hand
- SMOOTH, DAZZLING, TOUGH DISPLAY: Your content scrolls smoothly and looks amazing, while adaptive Vision Booster automatically adjusts screen brightness based on surrounding light levels; Strong Gorilla Glass helps reduce scratches on your display
- CAPTURE SCENES IN STUNNING DETAIL: Create share-worthy content with the high-resolution camera of Galaxy S23 FE; With Super HDR, it’s easy to capture the details that make your shots incredibly lifelike
- LOOK SHARP TONIGHT & EVERY NIGHT: Because life happens even in low light; Nightography lets you capture epic pictures, no matter where you are or what time of day; The dark is no longer a dealbreaker
Our conclusion on the Samsung Galaxy S21 vs Samsung Galaxy S8
Both the Samsung Galaxy S21 and the Samsung Galaxy S8 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 Samsung Galaxy S21 and the Samsung Galaxy S8 are both excellent products that will more than do their job!