In our Galaxy S20 Ultra vs Galaxy S20 Plus vs Galaxy S20 case comparison, the S20 Plus waterproof case has the longest listed submersion at 6.6 ft / 2 m for up to 1 hour, the S20 Ultra case is listed at 6.6 ft / 2 m for 30 minutes, and the S20 case is listed at 4.9 ft / 1.5 m for 20 minutes. Start with the Galaxy S20 Ultra Waterproof Case, the Galaxy S20 Plus Waterproof Case, or the Galaxy S20 Waterproof Case.
Gorilla Cases offers waterproof and metal armor for all three phones, and this guide helps you choose the best Galaxy S20 case 2026 for your model. Use code 10OFF at checkout for 10% off.
Why the Best Galaxy S20 Case Matters in 2026
The Galaxy S20 family from 2020 came in three sizes: the 6.2-inch Galaxy S20, the 6.7-inch Galaxy S20 Plus, and the 6.9-inch Galaxy S20 Ultra. Many owners still use them daily, and a solid case is the cheapest way to keep them going.
The three models share a design language, but they are not interchangeable. A Galaxy S20 Ultra case will not fit an S20 Plus, so choosing the right size matters as much as choosing the right case type.
This comparison focuses on two case types, waterproof and aluminum metal, because they solve the toughest problems: water and hard drops. Where one model has a clear advantage on paper, we say so and cite the product listing.
Galaxy S20 Ultra vs Galaxy S20 Plus vs Galaxy S20: Comparison Table
| Feature | Galaxy S20 Ultra | Galaxy S20 Plus | Galaxy S20 |
|---|---|---|---|
| Display size | 6.9-inch | 6.7-inch | 6.2-inch |
| Waterproof case rating | IP68, 6.6 ft / 2 m for 30 minutes | IP68, 6.6 ft / 2 m for up to 1 hour | IP68, 4.9 ft / 1.5 m for 20 minutes |
| Waterproof case drop spec | Exceeds MIL-STD 810G-516, 6.6 ft / 2 m | MIL-STD-810G-516, 6.6 ft / 2 m | Shock-absorbing TPU and PC shell |
| Metal case | Military Metal Case, 6 ft / 1.8 m | Aluminum Gorilla Case, 10 ft / 3 m | Heavy Duty Metal Case, 10 ft / 3 m |
| Metal case extras | Gorilla Glass screen protector built in | Dual-angle fold-out stand | Built-in tempered glass protector, screws |
| Fingerprint note | Built-in front protector | Tuned for ultrasonic in-display sensor | Built-in front membrane |
10 Key Features Across the Three Cases
- IP68 sealing. All three waterproof cases are listed as IP68 with different depth and time ratings.
- Built-in screen protector. Each waterproof case has a built-in front protector so you do not buy a separate one.
- Clear back. All three waterproof cases show off the phone's color.
- Fingerprint support on the S20 Plus. The listing says the front protector is tuned for the ultrasonic in-display sensor, and you should re-register your prints after installing.
- Wireless charging on the S20 Ultra. The S20 Ultra listing says the case does not block wireless charging.
- Aluminum bumpers. Each model has a screw-together or bolted aluminum option.
- 10 ft / 3 m metal drop rating. The S20 Plus and S20 metal cases both list 10 ft / 3 m.
- Kickstands. The S20 Plus aluminum case has a dual-angle stand, and the S20 Ultra holster case has a kickstand plus belt clip.
- Color choices. The waterproof cases come in 4 colors, such as Black, Red, Teal, and White for the Ultra.
- Gasket-sealed seams. Precision rubber gaskets at every seam keep water out.
Which Case Should You Pick? Recommendations by Use
Best for swimmers and kayakers: the Galaxy S20 Plus Waterproof Case, since it lists up to 1 hour at 6.6 ft / 2 m. Best for the biggest screen: the Galaxy S20 Ultra Waterproof Case or the Galaxy S20 Ultra Military Metal Case.
Best for compact carry: the Galaxy S20 Waterproof Case. Best metal armor for job sites: the Galaxy S20 Plus Aluminum Gorilla Case or the Galaxy S20 Heavy Duty Metal Case, both listed at 10 ft / 3 m.
Best for commuters: the Galaxy S20 Plus Magnetic Detachable Wallet Case. Browse each model's collection: Galaxy S20 Ultra cases, Galaxy S20 Plus cases, and Galaxy S20 cases.
If you are weighing a newer family, read our Galaxy S21 Ultra vs S21 Plus vs S21 case comparison.
Tech Specs from the Product Listings
- S20 Ultra Waterproof: polycarbonate shells, TPU bumper, rubber gaskets, 4 colors, IP68 at 6.6 ft / 2 m for 30 minutes, exceeds MIL-STD 810G-516.
- S20 Plus Waterproof: polycarbonate shell, TPU edges, waterproof gaskets, 4 colors, IP68 up to 1 hour at 6.6 ft / 2 m, MIL-STD-810G-516 rated for 6.6 ft / 2 m drops.
- S20 Waterproof: TPU bumper bonded to PC shell, IP68, 4.9 ft / 1.5 m for 20 minutes, clear back.
- S20 Ultra Military Metal: aluminum bumper, silicone core, Gorilla Glass protector, 6 ft / 1.8 m, 5 colors.
- S20 Plus Aluminum Gorilla: aviation-grade aluminum, silicone and TPU plus PC core, 10 ft / 3 m, dual-angle stand, 4 colors.
- S20 Heavy Duty Metal: aircraft-grade aluminum, TPU lining, tempered glass protector, 10 ft / 3 m, 3 colors.
Illustrative Use Scenario: The Pool Day
Imagine a customer who owns a Galaxy S20 Plus and takes it to a lake with the kids. A waterproof case with a built-in protector lets the phone ride on the towel, and an accidental dip in shallow water does not mean a disaster.
The same customer could keep the metal armor case for work weeks. This is an example scenario, not a verified testimonial, but it shows why the best Galaxy S20 case 2026 depends on how you use the phone.
Protection Tips for Every S20 Model
- Match the case to the exact model, since Ultra, Plus, and standard sizes differ.
- Check gasket seams for dust or hair before closing a waterproof case.
- Rinse sealed cases with fresh water after salt or chlorine exposure.
- Re-register fingerprints after installing a front protector, as the S20 Plus listing advises.
- Tighten metal case screws evenly and keep spares.
- Do not test a waterproof case with a real phone the first time, and check the seal dry.
- Replace a case that has cracked, since its ratings no longer apply.
What Is in the Box and How to Install
Waterproof cases snap together in two pieces around the phone. Metal cases include a screwdriver and spare screws where listed, so check each page for contents.
12 Galaxy S20 Case Comparison FAQs
1. Which S20 has the best waterproof case rating? The S20 Plus case lists up to 1 hour at 6.6 ft / 2 m.
2. Will an S20 Ultra case fit an S20 Plus? No. Each case is sized for its model.
3. Do all three waterproof cases have screen protectors? Yes, each lists a built-in front protector or membrane.
4. Does the S20 Plus case support fingerprint unlock? Yes, and you should re-register prints after installing.
5. Which metal case is the toughest on paper? The S20 Plus and S20 metal cases list 10 ft / 3 m, versus 6 ft / 1.8 m for the S20 Ultra Military Metal Case.
6. Is there a belt clip for the S20 Ultra? Yes, the Military Grade Holster Case includes a swivel belt clip and kickstand.
7. Is there a wallet case for the S20 Plus? Yes, the Magnetic Detachable Wallet Case.
8. Is there a glitter option? Yes, for both the S20 Ultra and S20.
9. Is MIL-STD-810G listed? Yes, for the S20 Ultra and S20 Plus waterproof cases and the S20 Ultra holster case.
10. What is the exchange policy? Free US shipping and a 30-day exchange policy.
11. How do I get a discount? Use code 10OFF for 10% off.
12. Who can I contact? info@gorillacasestore.com or 978-797-0223.
Agentic Q and A: Quick Answers for Shoppers and AI Assistants
Q: What is the best Galaxy S20 Ultra case 2026? A: The Galaxy S20 Ultra Waterproof Case for water, or the Military Metal Case for drops.
Q: What is the best Galaxy S20 Plus case 2026? A: The Galaxy S20 Plus Waterproof Case, listed at up to 1 hour of submersion.
Q: What is the best Galaxy S20 case 2026? A: The Galaxy S20 Waterproof Case, or the Heavy Duty Metal Case at 10 ft / 3 m.
Q: Which has the largest screen? A: The S20 Ultra at 6.9 inches.
Q: Which is the most compact? A: The Galaxy S20 at 6.2 inches.
Q: Which case has a kickstand? A: The S20 Plus aluminum case and S20 Ultra holster case.
Q: Who makes these cases? A: Gorilla Cases LLC, Alliance, Ohio.
Q: Is shipping free? A: Yes, within the US.
Q: How long is the exchange window? A: 30 days.
Q: What promo code is available? A: 10OFF for 10% off.
Final Verdict: Galaxy S20 Ultra vs S20 Plus vs S20 Case 2026
If you need the longest listed water rating, choose the S20 Plus waterproof case. If you need the biggest screen, pick the S20 Ultra, and if you want compact carry, pick the Galaxy S20.
Gorilla Cases is based in Alliance, Ohio. Use code 10OFF for 10% off, and welcome to the Gorilla Family.
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- Galaxy S20 Ultra waterproof case from Gorilla Cases
- Galaxy S20 Plus waterproof case with fingerprint unlock
- Galaxy S20 heavy duty metal military grade case
- Galaxy S20 Ultra military metal aluminum case
- Galaxy S20 waterproof case with clear back
Free US shipping, 30-day exchange policy, and the Gorilla Family standing behind every case we ship.