Last Updated & Fact Checked: March 21, 2026
Are you trying to decide between the Samsung Galaxy A51 and the Samsung Galaxy S20?
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 A51 or the Samsung Galaxy S20 – and find out exactly what the differences are.
Both the Samsung Galaxy A51 and the Samsung Galaxy S20 are quality products, so read on to find out which one is best for your needs!
Samsung Galaxy A51 quick facts
Samsung Galaxy S20 quick facts
Samsung Galaxy A51 product details
Bestseller No. 1
Samsung Galaxy A51 128GB 6.5" 4G LTE Unlocked, Black (Renewed)
- Item Package Dimension- 7.4015747956L X 3.93700787W X 2.0078740137H Inches
- Item Package Weight - 0.84657508608 Pounds
- Item Package Quantity - 1
- Product Type - Cellular Phone
Bestseller No. 2
Samsung Galaxy A51 5G | A516U | 128GB | Single SIM | GSM Unlocked | Android Smartphone | Black (Renewed)
- This device is GSM unlocked and will work with T-Mobile, AT&T, Not compatible with Cricket and any other CDMA network.
- Refurbished Condition May have minor scuffs or scratches;
- Refurbished Condition May have minor scuffs or scratches;, Ships in non-retail box; generic charger and USB Cable only. No any other accessories included
- Clean IMEI. 90 days store warranty,
- this model: Not compatible with Cricket and Verizon
Bestseller No. 3
SAMSUNG Galaxy A51 128GB (6.5 inch) Display Quad Camera 48MP A515U Black Unlocked (Renewed), A51 128GB A515U
- Ships in non-retail box; generic charger and USB Cable only.
- No any other accessories included.
- This device is GSM unlocked. GSM Compatible, Not compatible with : Any CDMA network like : Verizon, Virgin Mobile US or Boost. Network bands in regions may be different depending on the mobile operator and your location. Available storage is less and subject to change due to device software updates and apps usage.
- it's only support Wi-fi calling for Sprint. Not other carrier.
Samsung Galaxy S20 product details
Bestseller No. 1
Samsung Galaxy S20 FE 5G, 128GB, Cloud Navy - Unlocked (Renewed)
- 6.5-inch FHD+ Dynamic AMOLED 2X Infinity-O Display, 120Hz, HDR10+, 1080 x 2400 pixels, IP68 for water and dust resistant
- 128GB ROM, 6GB RAM, Qualcomm SM8250 Snapdragon 865 (7 nm+), Android 10, Octa-core, Adreno 650, One UI 2.5, 4500mAh Battery
- Rear Camera: 12MP Wide (F/1.8 aperture) + 12MP Ultrawide (F/2.2 aperture) + 8MP Telephoto (F/2.4 aperture), Front Camera: 32MP (F/2.2 aperture) , 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, 8, 12, 13, 14, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 66, 71, 5G: SA/NSA/Sub6 (ensure to check compatibility with your carrier before purchase)
- American Model, Compatible with Most GSM and CDMA Carriers like Telus, Rogers, Freedom, etc. Will Also work with CDMA Carriers Such as Verizon, Sprint.
Bestseller No. 2
Samsung Galaxy S20 5G, 128GB, Cosmic Gray - 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.
Bestseller No. 3
Samsung Galaxy S20 FE 5G (128GB, 6GB) 6.5" AMOLED, Snapdragon 865, IP68 Water Resistant, 5G Volte Fully Unlocked (T-Mobile, Verizon, Sprint, AT&T) G781U (Cloud Navy) (Renewed)
- Pro-Grade Camera: The new Samsung Galaxy S20 FE mobile phone features high-powered pro lenses for beautiful portraits, stunning landscapes and crisp close-ups in any light with its 3X optical zoom
- 30X Space Zoom: Whether you want your cellphone to zoom in close from afar or magnify details of something nearby, 30X Space Zoom gives you the power to get closer
- Night Mode: Capture crisp images and vibrant video with Night Mode and create high-quality content in low light — no flash required with this smartphone
- Single-Take AI: One tap of the screen captures multiple images and video all at once; Lenses, effects and filters capture the best of every moment, every time
- Power of 5G: Get next-level power for everything you love to do with Samsung Galaxy 5G; More sharing, more gaming, more experiences and never miss a beat
New products & alternatives to the Samsung Galaxy A51 and the Samsung Galaxy S20
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, Gray
- 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 A17 5G Ai (128GB + 4GB) Unlocked No-Warranty (Compatible with T-Mobile Mint Tello & Global) SM-A176B/DS Dual SIM / 6.7" 50MP Triple (25W Fast Charger Bundle, Black)
- 6.7” Super AMOLED FHD+ Display – Crisp and clear visuals with smooth 90Hz refresh rate for everyday browsing, videos, and apps.
- 128, 4GB RAM, microSDXC (uses shared SIM slot), Exynos 1330 (5nm), Octa-Core, Mali-G68 MP2 GPU, 5000mAh Battery
- Rear Camera: 50MP, f/1.8 (wide) + 5MP, f/2.2 (ultrawide) + 2MP, f/2.4 (macro), LED flash, panorama, HDR; Front Camera: 13MP, f/2.0, 1080p at 30fps
- Global 4G, 5G Bands: 1/3/5/7/8/20/28/38/40/41/66/77/78 SA/NSA/Sub6 - Dual SIM (SIM + SIM/Memory Card) Memory Card Takes SIM Slot 2. Not Compatible with eSIM.
- Charger Included
New
Samsung Galaxy A17 5G Unlocked | 8GB RAM + 256GB Storage | 6.7" AMOLED 90Hz | 50MP Triple Camera | International Version Unlocked for T-Mobile & Global | 5000mAh Battery – Grey with 25W Fast Charger
- Immersive 6.7" AMOLED Display with Smooth 90Hz Refresh Rate – Enjoy vibrant colors and sharp details on a large FHD+ AMOLED screen. The 90Hz refresh rate makes scrolling, gaming, and video playback incredibly smooth and responsive.
- Powerful Performance with 8GB RAM + 256GB Storage – Multitask with ease and store more of what you love. The Galaxy A17 5G delivers fast app loading, smooth switching, and generous space for photos, videos, and apps.
- 50MP Triple Camera System with Enhanced Clarity – Capture every moment in stunning detail with a high-resolution 50MP main camera. Wide-angle and depth sensors help deliver brighter, clearer photos and natural background blur.
- Long-Lasting 5000mAh Battery with 25W Fast Charging – Stay powered all day with a massive 5000mAh battery. Recharge quickly with the included 25W fast charger—perfect for busy days and on-the-go lifestyles.
- International Model (Global Version): Network compatibility varies by carrier and location. If a SIM card has already been activated in another compatible device, it may function when inserted into this phone. New activations in the U.S. are typically supported on T-Mobile only. Compatibility is not guaranteed. Please verify with your carrier before purchase. No U.S. manufacturer warranty; seller return policy applies.
New
Samsung Galaxy A17 4G Dual SIM | 128GB, 4GB, Splash Resistant | 6.7" 90Hz AMOLED, GSM Factory Unlocked for T-Mobile, Global | International Model | 256GB SD Bundle, Black
- Charger Sold Separately, 6.7" Super AMOLED FHD+, 90Hz Refresh Rate, 385 ppi, 800 nits (HBM), 1080x2340px, Android 15, One UI 7 (Included SD card takes SIM Slot 2)
- Rear Camera: 50MP, f/1.8 (wide) + 5MP, f/2.2 (ultrawide) + 2MP, f/2.4 (macro), LED flash, panorama, HDR; Front Camera: 13MP, f/2.0, 1080p at 30fps
- Global 4G LTE: B1(2100), B2(1900), B3(1800), B4(AWS), B5(850), B7(2600), B8(900), B12(700), B13(700), B17(700), B26(850), B28(700), B66(AWS-3), B38(2600), B40(2300), B41(2500) Dual SIM (SIM + SIM/Memory Card) Memory Card Takes SIM Slot 2. Not Compatible with eSIM. 3G/4G LTE Only Device.
- International Model – Global Connectivity – Plug & Play with an Active SIM on AT&T, Verizon, T-Mobile, and most U.S. carriers. New activations are only supported on T-Mobile in the U.S., as most carriers may not recognize International IMEI's as Compatible. Contact seller for specific carrier compatibility questions. (No U.S. manufacturer warranty; Seller Return policy applies.)
New
Samsung Galaxy A17 5G Ai (256GB + 8GB) Unlocked (Compatible with T-Mobile Mint Tello & Global) SM-A176B/DS Dual SIM / 6.7" 50MP Triple (Case Bundle) (SM-A176B/DS) (Black)
- Charger Sold Separately, 6.7" Super AMOLED FHD+, 90Hz Refresh Rate, 385 ppi, 800 nits (HBM), 1080x2340px, Android 15, One UI 7
- 256GB, 8GB RAM, microSDXC (uses shared SIM slot), Exynos 1330 (5nm), Octa-Core, Mali-G68 MP2 GPU, 5000mAh Battery
- Rear Camera: 50MP, f/1.8 (wide) + 5MP, f/2.2 (ultrawide) + 2MP, f/2.4 (macro), LED flash, panorama, HDR; Front Camera: 13MP, f/2.0, 1080p at 30fps
- Global 4G, 5G Bands: 1/3/5/7/8/20/28/38/40/41/66/77/78 SA/NSA/Sub6 - Dual SIM (SIM + SIM/Memory Card) Memory Card Takes SIM Slot 2. Not Compatible with eSIM.
- Case Included.
Our conclusion on the Samsung Galaxy A51 vs Samsung Galaxy S20
Both the Samsung Galaxy A51 and the Samsung Galaxy S20 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 A51 and the Samsung Galaxy S20 are both excellent products that will more than do their job!