Samsung Galaxy S21
2021 · android · Flagship
NFC
eSIM
OIS
IP68
Wireless 15W
Specs
| SoC | Samsung Exynos 2100 |
|---|---|
| Benchmarks | GB multi 3555 · AnTuTu 1,065,369 |
| Display | 6.2" 120Hz OLED · 800 nits |
| Battery | 4,000 mAh · 25W charge |
| Cameras | 12MP main · 64MP ultrawide · 12MP tele · video 8K24 |
| Body | 169g · OS updates 2 yrs |
Memory variants
| RAM / Storage | Price new | Price used | Listings |
|---|---|---|---|
| 8 / 128 GB | $800 | $140 |
9 listings
$ 109 ·
health n/a ·
2026-09-05
$ 119 ·
health n/a ·
2026-09-05
$ 120 ·
health n/a ·
2026-09-05
$ 125 ·
health n/a ·
2026-09-05
$ 140 ·
health n/a ·
2026-09-05
$ 150 ·
health n/a ·
2026-09-05
$ 150 ·
health n/a ·
2026-09-05
$ 159 ·
health n/a ·
2026-09-05
$ 160 ·
health n/a ·
2026-09-05
|
| 8 / 256 GB | — | — | — |
Overall score
mid (0–100 composite of performance, battery, value and longevity)
36
Autonomy
21
Gaming
28
Value
34
Longevity
0
Your focus
Battery life 23%
Camera 22%
Everyday 18%
Stage M2 — Refining requirements
Add 2–3 phones to compare — verdicts will show who wins which axis.
Task axes
Gaming (SoC)
21
Camera
42
Battery life
20
4,000 mAh
Charging
6.9
Everyday
60.8
Screen
60.6
Compactness
97.7
Refresh rate
120Hz
Resale trend
Estimate from two anchors: launch MSRP $800 (2021) and used-market median $140 (2026).
−29% / year · next year ≈ $99
2021
$800
2022
$565
2023
$398
2024
$281
2025
$198
2026 · now
$140
2027
$99
Similar
Same chip
- 2021 · from $170
- 2021
Same class
- 2024 · from $470
- 2024 · from $469
- 2024 · from $592
- 2024 · from $739
Similar price today
- 2023 · from $152
- 2023 · from $122
- 2025 · from $232
- 2023 · from $200
Same ecosystem
- 2025
- 2026
- 2026
- 2025 · from $374
Same year
- 2021 · from $60
- 2021
- 2021 · from $65
- 2021