Refurbished prices
Prices based on the offers checked on October 15, 2026.
Galaxy S21
10 refurbished offers across 3 compared shops
Storage sizes with a refurbished offer 128, 256 GB
Galaxy S21 Ultra
8 refurbished offers across 5 compared shops
Storage sizes with a refurbished offer 12, 128, 256 GB
Spec sheets side by side
Only the details that appear on both models' spec sheets are shown.
| Detail | Galaxy S21 | Galaxy S21 Ultra |
|---|---|---|
| Launch | ||
| Announced | January 14, 2021 | January 14, 2021 |
| Released | January 29, 2021 | January 29, 2021 |
| Launch OS | Android 11 | Android 11 |
| Display | ||
| Size | 6.2 in | 6.8 in |
| Type | Dynamic AMOLED 2X Infinity-O | Dynamic AMOLED 2X Infinity-O |
| Resolution | 2400x1080 | 3200x1440 |
| Refresh rate | 120 Hz | 120 Hz |
| Performance | ||
| RAM | 8 GB | 12 GB / 16 GB |
| Storage | 128 GB / 256 GB | 128 GB / 256 GB / 512 GB |
| Cameras | ||
| Rear camera | 12 MP (Wide, Dual Pixel AF, OIS, F1.8, FOV 79deg), 12 MP (Ultra-Wide, F2.2, FOV 120deg), 64 MP (Telephoto, 3x hybrid optic zoom, OIS, F2.0, FOV 76deg) | 108 MP (Wide, Phase Detection AF, OIS, F1.8, FOV 83deg), 12 MP (Ultra-Wide, Dual Pixel AF, F2.2, FOV 120deg), 10 MP (Telephoto, 3x optical zoom, OIS, F2.4, FOV 35deg), 10 MP (Telephoto, 10x optical zoom, OIS, F4.9, FOV 10deg) |
| Front camera | 10 MP | 40 MP |
| Battery and charging | ||
| Capacity | 4,000 mAh | 5,000 mAh |
| Body | ||
| Dimensions | 151.7 x 71.2 x 7.9 mm | 165.1 x 75.6 x 8.9 mm |
| Weight | 169 g | 229 g |
| Connectivity | ||
| 5G | Yes | Yes |
| 5G mmWave | No | Yes |
| Wi-Fi | Wi-Fi 6 (HyperFast Wi-Fi) | Wi-Fi 6E |
| NFC | Yes | Yes |
| Port | USB-C | USB-C |
| Headphone jack | No | No |
| More details | ||
| Biometrics | Ultrasonic fingerprint sensor, Face recognition | Ultrasonic fingerprint sensor, Face recognition |
Which one to pick
These lines come only from the data on this page. You decide based on your budget and what you do with the phone.
Galaxy S21 costs 37% less than Galaxy S21 Ultra at 128 GB, grade B, from $4,150 against $6,550.
Galaxy S21 Ultra has the bigger battery, 5,000 mAh against 4,000 mAh.
Galaxy S21 Ultra has refurbished offers in more storage sizes, 12, 128, 256 GB against 128, 256 GB.
Galaxy S21 Ultra has refurbished offers in more compared shops, 5 against 3.
Choose the Galaxy S21 if...
- you want the lowest price: it costs 37% less than the Galaxy S21 Ultra at 128 GB, grade B, from $4,150 versus $6,550.
Choose the Galaxy S21 Ultra if...
- you want more battery: 5,000 mAh versus 4,000 mAh on the Galaxy S21.
- you want more storage options: offers at 12, 128, 256 GB, versus 128, 256 GB for the Galaxy S21.
- you want more shops to compare: 5 shops with a refurbished offer, versus 3 for the Galaxy S21.
Frequently asked questions
Which is cheaper refurbished, the Galaxy S21 or the Galaxy S21 Ultra?
The Galaxy S21 is cheaper. It costs 37% less at 128 GB, grade B, from $4,150 versus $6,550 for the Galaxy S21 Ultra.
Which has the bigger battery, the Galaxy S21 or the Galaxy S21 Ultra?
The Galaxy S21 Ultra has the bigger battery, 5,000 mAh versus 4,000 mAh on the Galaxy S21, according to their spec sheets.
How many shops have offers for the Galaxy S21 and the Galaxy S21 Ultra?
The Galaxy S21 has refurbished offers in 3 shops and the Galaxy S21 Ultra in 5 shops.
Spec sheet sources
Galaxy S21
- Make Every Day Epic with Samsung Galaxy S21 and Galaxy S21+ - Samsung US Newsroom · September 28, 2026
- Galaxy S21 con descuento en Mexico (references the official launch price of 21,499 pesos) · September 28, 2026
- Galaxy S21 5G | Samsung Mexico (Wayback Machine snapshot, 2021-01-14; the live samsung.com/mx page for this discontinued model now redirects to a generic AI-generated Galaxy S FAQ page with no S21-specific content) · September 28, 2026
Galaxy S21 Ultra