Head to head
Galaxy S20 vs Galaxy S21
Full specs side by side — plus the one table nobody else shows you: what each phone actually costs to repair.
At a glance
- Galaxy S21 is the newer phone (2021 vs 2020).
- Galaxy S20 is lighter (163 g vs 169 g).
- Galaxy S20 is cheaper to fix — screen replacement runs $149 vs $159 at our counter.
Specifications
Spec for spec.
| Galaxy S20 | Galaxy S21 | |
|---|---|---|
| Release date | 2020-03-06 | 2021-01-29 |
| Display | 6.2" Dynamic AMOLED 2X | 6.2" Dynamic AMOLED 2X |
| Resolution | 3200 x 1440 | 2400 x 1080 |
| Refresh rate | 120Hz | 120Hz |
| Chip | Snapdragon 865 (US) / Exynos 990 (intl) | Snapdragon 888 (US) / Exynos 2100 (intl) |
| RAM | 12GB | 8GB |
| Storage options | 128GB | 128GB / 256GB |
| Rear cameras | 12MP wide + 12MP ultrawide + 64MP 3x hybrid tele | 12MP wide + 12MP ultrawide + 64MP 3x hybrid tele |
| Front camera | 10MP | 10MP |
| Battery | 4000 mAh | 4000 mAh |
| Charging | USB-C, 25W wired, 15W wireless | USB-C, 25W wired, 15W wireless |
| Dimensions (mm) | 151.7 x 69.1 x 7.9 | 151.7 x 71.2 x 7.9 |
| Weight | 163 g | 169 g |
| Colors at launch | Cosmic Gray, Cloud Blue, Cloud Pink, Cloud White (select markets) | Phantom Gray, Phantom White, Phantom Violet, Phantom Pink |
| Connectivity | 5G, Wi-Fi 6, Bluetooth 5.0, NFC | 5G, Wi-Fi 6, Bluetooth 5.0, NFC |
| OS at launch | Android 10 (One UI 2) | Android 11 (One UI 3.1) |
| Water resistance | IP68 | IP68 |
| SIM | Nano-SIM + eSIM | Nano-SIM + eSIM |
Specs reflect the US models as published by the manufacturer.
What buyers pick
The configurations people actually choose.
Based on current used-market sales data, updated August 2026.
| Galaxy S20 | Galaxy S21 | |
|---|---|---|
| Most-chosen color | Gray | Gray |
| Most-chosen storage | 128GB | 128GB |
Repair pricing
What each costs to fix.
Real walk-in prices at BK Wireless — every repair backed by a 60-day parts and labor warranty.
| Repair | Galaxy S20 | Galaxy S21 |
|---|---|---|
| Screen replacement | $149 | $159 |
| Battery replacement | $69 | $79 |
FAQ
Galaxy S20 vs Galaxy S21, answered.
Which is newer, the Galaxy S20 or the Galaxy S21?
The Galaxy S21 is newer — it launched in 2021, while the Galaxy S20 launched in 2020.
Which has the bigger battery?
They're equal — both carry a 4,000 mAh battery.
Which is cheaper to repair?
Screen replacement is $149 for the Galaxy S20 and $159 for the Galaxy S21 at BK Wireless — both with a 60-day parts and labor warranty.
Does BK Wireless repair the Galaxy S20 and the Galaxy S21?
Yes — both. Walk into 1054 Beach 20th Street in Far Rockaway for same-day screen, battery, and charging port repairs on either phone, backed by a 60-day warranty. No appointment needed.
Can I trade in my old phone toward either one?
Yes. Bring your current phone and a photo ID — we test it in front of you and pay cash on the spot, working or broken.
Upgrading to either one?
Get cash for your current phone at 1054 Beach 20th Street — tested in front of you, paid on the spot.
Get cash todayAll device comparisons · Galaxy S20 repairs · Galaxy S21 repairs · Free IMEI check