Looking for an honest Samsung Galaxy S20 Plus 5G vs Samsung Galaxy S25 Ultra 5G comparison in 2026? We scored both smartphones on the same six-dimension framework — performance, battery, display, camera, design and value — using identical methodology, so the numbers below are directly comparable. In our overall scoring the Samsung Galaxy S25 Ultra 5G comes out ahead 43/100 to 78/100 — a 35-point gap. The widest gap is in performance, where the Samsung Galaxy S25 Ultra 5G pulls noticeably ahead. On price the Samsung Galaxy S20 Plus 5G undercuts the Samsung Galaxy S25 Ultra 5G by 602% ($185 vs $1,299), which materially changes the value calculus for budget-conscious buyers.
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Samsung Galaxy S25 Ultra 5G clearly outperforms the Samsung Galaxy S20 Plus 5G in the smartphones category, especially in performance (benchmark 220 vs 60), scoring 78 vs 43. If you want the better overall smartphones, Samsung Galaxy S25 Ultra 5G is the recommended choice.
Picking Samsung Galaxy S25 Ultra 5G over Samsung Galaxy S20 Plus 5G means trading these off.
✓ Pros
✗ Cons
✓ Pros
| Spec | Samsung Galaxy S20 Plus 5G | Samsung Galaxy S25 Ultra 5GW |
|---|---|---|
| Display | 6.7" | 6.9"✓ |
| Display Type | Dynamic AMOLED 2X | Dynamic AMOLED 2X |
| Resolution | 3200 x 1440 pixels | — |
| Refresh Rate | 120Hz | 120Hz |
| Brightness | 1200nits | — |
| HDR |
Buy Samsung Galaxy S20 Plus 5G if…
Choose the Samsung Galaxy S20 Plus 5G if budget is your top priority — it offers competitive specs at a lower price point.
Buy Samsung Galaxy S25 Ultra 5G if…
Buy the Samsung Galaxy S25 Ultra 5G if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
Samsung Galaxy S25 Ultra 5G clearly outperforms the Samsung Galaxy S20 Plus 5G in the smartphones category, especially in performance (benchmark 220 vs 60), scoring 78 vs 43. If you want the better overall smartphones, Samsung Galaxy S25 Ultra 5G is the recommended choice.
No, Samsung Galaxy S25 Ultra 5G scores higher (78 vs 43).
Samsung Galaxy S20 Plus 5G is cheaper at $185 vs $1299 for the Samsung Galaxy S25 Ultra 5G.
Choose the Samsung Galaxy S20 Plus 5G if budget is your top priority — it offers competitive specs at a lower price point.
Buy the Samsung Galaxy S25 Ultra 5G if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
Samsung Galaxy S25 Ultra 5G has a larger battery (5,000mAh vs 4,500mAh for the Samsung Galaxy S20 Plus 5G), which generally means longer use between charges.
Samsung Galaxy S25 Ultra 5G has the larger display (6.9" vs 6.7").
Reviewed by VersusMatrix Editorial Team
Last updated: May 11, 2026
Methodology: AI-powered analysis of technical specifications from manufacturer data. Scores are calculated by comparing products across multiple dimensions and normalized relative to the full category database. Our editorial process is independent and not influenced by affiliate partnerships.
Scores are relative within the smartphonescategory. Percentages show each dimension's weight in the overall score. A difference of less than 0.5 points is considered a tie.
✗ Cons
| HDR10+ |
| — |
| Protection | Gorilla Glass 6 | — |
| Chipset | Snapdragon 865 | Snapdragon 8 Elite |
| CPU | Octa-core 2.73 GHz | — |
| GPU | Mali-G77 MP11 | — |
| RAM | 8GB | 12GB✓ |
| Storage | 128GB | 256GB✓ |
| Storage Options | 128GB, 512GB | — |
| Main Camera | 64MP | 200MP✓ |
| Aperture | f/1.8 | — |
| OIS | Yes | — |
| Video | 8K@24fps, 4K@60fps | — |
| Front Camera | 10MP | 12MP✓ |
| Battery | 4500mAh | 5000mAh✓ |
| Charging | 25W | 45W✓ |
| Wireless Charging | 15W | — |
| OS | A | Android 15 |
| Wi-Fi | Wi-Fi 6 (802.11ax) | — |
| Bluetooth | Bluetooth 5.0 | — |
| NFC | Yes | — |
| USB | USB Type-C 3.2 | — |
| Water Resistance | IP68 | IP68 |
| Biometrics | Under-display fingerprint | — |
| Dimensions | 162.5 x 75.6 x 7.8 mm | — |
| Weight | 186g✓ | 218g |
| Colors | Cosmic Black, Aura Blue, Cloud Blue | — |
| Price | 185$ | 1299$ |
Samsung Galaxy S25 Ultra 5G has a higher-resolution main camera (200MP vs 64MP). Note that megapixels are one factor — sensor quality and processing also matter.
Samsung Galaxy S20 Plus 5G is lighter at 186g vs 218g.
Samsung Galaxy S25 Ultra 5G has more RAM (12GB vs 8GB), which helps with multitasking.