Laptops Phones Soft Desktops
Samsung Galaxy S21 Plus

Samsung Galaxy S21 Plus

2021 · android · Flagship

NFC eSIM OIS IP68 Wireless 15W

Specs

SoC Samsung Exynos 2100
Benchmarks GB multi 3555 · AnTuTu 1,065,369
Display 6.7" 120Hz OLED · 1300 nits
Battery 4,800 mAh · 25W charge
Cameras 12MP main · 64MP ultrawide · 12MP tele · video 8K24
Body 200g · OS updates 2 yrs

Memory variants

RAM / Storage Price new Price used Listings
8 / 128 GB $1,000 $165
24 listings
$ 140 · health n/a · 2026-09-05
$ 149 · health n/a · 2026-09-05
$ 150 · health n/a · 2026-09-05
$ 155 · health n/a · 2026-09-05
$ 156 · health n/a · 2026-09-05
$ 160 · health n/a · 2026-09-05
$ 170 · health n/a · 2026-09-05
$ 180 · health n/a · 2026-09-05
$ 190 · health n/a · 2026-09-05
$ 198 · health n/a · 2026-09-05
$ 204 · health n/a · 2026-09-05
$ 260 · health n/a · 2026-09-05
$ 275 · health n/a · 2026-09-05
$ 140 · health n/a · 2026-09-15
$ 140 · health n/a · 2026-09-15
$ 149 · health n/a · 2026-09-15
$ 150 · health n/a · 2026-09-15
$ 155 · health n/a · 2026-09-15
$ 160 · health n/a · 2026-09-15
$ 170 · health n/a · 2026-09-15
$ 180 · health n/a · 2026-09-15
$ 190 · health n/a · 2026-09-15
$ 200 · health n/a · 2026-09-15
$ 275 · health n/a · 2026-09-15
8 / 256 GB — — —

Overall score

mid (0–100 composite of performance, battery, value and longevity)

40
Autonomy 32 Gaming 28 Value 36 Longevity 0

Your focus

Camera 21% Battery life 20% Everyday 19%
Stage M2 — Refining requirements Add 2–3 phones to compare — verdicts will show who wins which axis.
📝 Our review

Samsung Galaxy S21 Plus review: specs, battery & used prices

Samsung Galaxy S21 Plus review: 6.7" display, 4800 mAh battery, Samsung Exynos 2100, real-world verdict and used-market prices.

Read full review

Task axes

Gaming (SoC) 21
Camera 42
Battery life 36 4,800 mAh
Charging 6.9
Everyday 60.8
Screen 67.6
Compactness 80
Refresh rate 120Hz
OS support (years left) -3 yr

Resale trend

Estimate from two anchors: launch MSRP $1,000 (2021) and used-market median $165 (2026).

−30% / year · next year ≈ $115

Cost to own ≈ $3.5/mo · buying now at $165, 2-year horizon

Money could earn ≈ $0.6/mo · the $165 kept at 4.21%/yr (US Treasury 3-month bill, as of Nov 2, 2026)

2021 $1,000
2022 $697
2023 $486
2024 $339
2025 $237
2026 · now $165
2027 $115

Similar

Same chip

  • 2021 · from $125
  • 2021

Same class

  • 2025 · from $3,601
  • 2024 · from $605
  • 2025 · from $921
  • 2020 · from $154

Similar price today

  • 2021 · from $115
  • 2021 · from $113
  • 2022 · from $80
  • 2023

Same ecosystem

  • 2025
  • 2024
  • 2020 · from $137
  • 2021

Same year

  • 2021
  • 2021 · from $160
  • 2021 · from $287
  • 2021 · from $104