OnePlus 9
2021 · android · Flagship
Specs
| SoC | Qualcomm Snapdragon 888 |
|---|---|
| Benchmarks | GB multi 3537 · AnTuTu 1,135,878 |
| Display | 6.55" 120Hz OLED · 500 nits |
| Battery | 4,500 mAh · 65W charge |
| Cameras | 48MP main · 50MP ultrawide · video 8K30 |
| Body | 192g |
Memory variants
| RAM / Storage | Price new | Price used | Listings |
|---|---|---|---|
| 8 / 128 GB | $730 | $113 |
10 listings
$ 85 ·
health n/a ·
2026-09-15
$ 90 ·
health n/a ·
2026-09-15
$ 97 ·
health n/a ·
2026-09-15
$ 110 ·
health n/a ·
2026-09-15
$ 110 ·
health n/a ·
2026-09-15
$ 115 ·
health n/a ·
2026-09-15
$ 117 ·
health n/a ·
2026-09-15
$ 128 ·
health n/a ·
2026-09-15
$ 133 ·
health n/a ·
2026-09-15
$ 160 ·
health n/a ·
2026-09-15
|
| 12 / 256 GB | — | — | — |
Overall score
mid (0–100 composite of performance, battery, value and longevity)
Your focus
OnePlus 9 review: specs, battery & used prices
OnePlus 9 review: 6.55" display, 4500 mAh battery, Qualcomm Snapdragon 888, real-world verdict and used-market prices.
Task axes
Resale trend
Estimate from two anchors: launch MSRP $730 (2021) and used-market median $113 (2026).
−31% / year · next year ≈ $78
Cost to own ≈ $2.5/mo · buying now at $113, 2-year horizon
Money could earn ≈ $0.4/mo · the $113 kept at 4.17%/yr (US Treasury 3-month bill, as of Sep 21, 2026)
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