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Samsung Galaxy A31

Samsung Galaxy A31

2020 · android · Budget

NFC

Specs

SoC MediaTek Helio P65
Benchmarks GB multi 1183 · AnTuTu 285,204
Display 6.4" 60Hz OLED · 600 nits
Battery 5,000 mAh · 15W charge
Cameras 48MP main · 8MP ultrawide · 5MP tele
Body 185g · OS updates 2 yrs

Memory variants

RAM / Storage Price new Price used Listings
4 / 64 GB $210 $99
9 listings
$ 75 · health n/a · 2026-09-05
$ 93 · health n/a · 2026-09-05
$ 99 · health n/a · 2026-09-05
$ 109 · health n/a · 2026-09-05
$ 110 · health n/a · 2026-09-05
$ 75 · health n/a · 2026-09-15
$ 93 · health n/a · 2026-09-15
$ 99 · health n/a · 2026-09-15
$ 109 · health n/a · 2026-09-15
4 / 128 GB — $126
5 listings
$ 119 · health n/a · 2026-09-05
$ 170 · health n/a · 2026-09-05
$ 126 · health n/a · 2026-09-15
$ 126 · health n/a · 2026-09-15
$ 170 · health n/a · 2026-09-15
6 / 128 GB — $249
6 listings
$ 90 · health n/a · 2026-09-05
$ 242 · health n/a · 2026-09-05
$ 255 · health n/a · 2026-09-05
$ 90 · health n/a · 2026-09-15
$ 257 · health n/a · 2026-09-15
$ 272 · health n/a · 2026-09-15
8 / 128 GB — — —

Overall score

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

18
Autonomy 28 Gaming 0 Value 5 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 A31 review: specs, battery & used prices

Samsung Galaxy A31 review: 6.4" display, 5000 mAh battery, MediaTek Helio P65, real-world verdict and used-market prices.

Read full review

Task axes

Gaming (SoC) 0
Camera 20.6
Battery life 40 5,000 mAh
Charging 0
Everyday 26
Screen 36.4
Compactness 88.6
Refresh rate 60Hz
OS support (years left) -4 yr

Resale trend

Estimate from two anchors: launch MSRP $210 (2020) and used-market median $99 (2026).

−12% / year · next year ≈ $87

Cost to own ≈ $0.9/mo · buying now at $99, 2-year horizon

Money could earn ≈ $0.4/mo · the $99 kept at 4.16%/yr (US Treasury 3-month bill, as of Oct 30, 2026)

2020 $210
2021 $185
2022 $163
2023 $144
2024 $127
2025 $112
2026 · now $99
2027 $87

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