Samsung Galaxy S21 price, specs and resale value in Singapore
The Samsung Galaxy S21 sells for about S$319 in Singapore, 75% below its S$1,298 launch price. That is more than Samsung phones of this age usually lose, so it is a genuinely good time to buy one.
Samsung Galaxy S21 specs
| Price (Singapore street) | S$319 |
|---|---|
| Launch price | S$1,298 |
| Released | 2021 |
| Chipset | Exynos 2100 |
| Display | 6.2" Dynamic AMOLED 2X 120Hz |
| Camera | 12MP main + 64MP 3x + 12MP ultra |
| Battery | 4,000 mAh |
| RAM / storage | 8GB · 128/256GB |
| Operating system | Samsung |
| Tier | flagship |
What the Samsung Galaxy S21 does well
- Compact flagship with a 120Hz AMOLED panel
- Very cheap on the used market today
- Received 4 full years of OS updates
Where it falls short
- Exynos 2100 runs warm and drains battery faster
- No charger in box, no microSD
- Small 4,000 mAh battery feels dated now
Resale value and depreciation
After 5 years the Samsung Galaxy S21 keeps 25% of its launch price, which works out to about 24.5% lost per year — faster than the 19.4% a year Samsung averages across our catalog.
Switching cost
The Samsung Galaxy S21 runs Samsung. Leaving it behind means leaving Samsung DeX, Samsung Cloud, Bixby, Good Lock, SmartThings. Our switching advisor prices that friction into the recommendation instead of comparing spec sheets in a vacuum — it is the reason a phone that wins on paper can still be the wrong buy.
Compare the Samsung Galaxy S21 against
- Samsung Galaxy S21 vs Apple iPhone 13 — iOS, about S$599
- Samsung Galaxy S21 vs Apple iPhone 14 — iOS, about S$709
- Samsung Galaxy S21 vs Apple iPhone 15 — iOS, about S$799
- Samsung Galaxy S21 vs Samsung Galaxy S21+ — Samsung, about S$369
Browse all 50 phones we track · Compare PC game prices
How this comparison is made
Prices are typical Singapore street prices tracked in our catalog and last reviewed August 2026; no free feed publishes live SG phone prices, so nothing here is dressed up as one. Specs are manufacturer figures, sentiment and the pros and cons are our editorial assessment, and depreciation is measured from launch price to today's street price. No ads, no affiliate links and no paid placement. Every weight and threshold we use is published.