Galaxy S21 5G vs Oppo A5x 5G: Which One Should You Buy?
Galaxy S21 5G edges ahead with a BeastScore of 80.8/100 — but the right choice depends on what matters to you.
Galaxy S21 5G wins 5 of 7 categories
Here's exactly where each phone is stronger.


Bigger shape = better phone.
Scores out of 100. How we score
- SpeedGalaxy S21 5G8070
- CameraGalaxy S21 5G9180
- VideoNot enough data
- SelfieNot enough data
- BatteryOppo A5x 5G7095
- DisplayGalaxy S21 5G8684
- ConnectivityGalaxy S21 5G8055
- SecurityGalaxy S21 5G10057
- ValueOppo A5x 5G6885
- Oppo A5x 5G has the bigger battery6,000 mAh vs 4,000 mAh
- Oppo A5x 5G charges faster45W vs 25W
- Oppo A5x 5G has the bigger screen6.67" vs 6.2"
- Galaxy S21 5G is lighter169 g vs 193 g
- Galaxy S21 5G has more RAM8 GB vs 6 GB
- Galaxy S21 5G is better protected from water and dustIP68 vs IP65
Why buy each phone
Swipe ⇄Galaxy S21 5G wins — BeastScore 80.8/100
The Galaxy S21 5G is the better pick for most people thanks to its lighter body (169 g vs 193 g) and more RAM (8 GB vs 6 GB). The Oppo A5x 5G is worth a look if you prefer its bigger battery (6,000 mAh vs 4,000 mAh).
Optical telephoto zoom (1 telephoto lens) · More RAM: 8 GB vs 6 GB
Larger battery: 6,000 mAh vs 4,000 mAh · Faster wired charging: 45W vs 25W
Common questions
Which is better: Galaxy S21 5G or Oppo A5x 5G?
The Galaxy S21 5G is the better pick for most people thanks to its lighter body (169 g vs 193 g) and more RAM (8 GB vs 6 GB). The Oppo A5x 5G is worth a look if you prefer its bigger battery (6,000 mAh vs 4,000 mAh). BeastScore: Galaxy S21 5G 80.8/100, Oppo A5x 5G 81.1/100.
What are the main battery and display differences between Galaxy S21 5G and Oppo A5x 5G?
Galaxy S21 5G has a 6.2-inch display and 4000 mAh battery. Oppo A5x 5G has a 6.67-inch display and 6000 mAh battery.
How do Galaxy S21 5G and Oppo A5x 5G compare for speed?
Galaxy S21 5G scores 80/100 for performance; Oppo A5x 5G scores 70/100.
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Gear for the Galaxy S21 5G
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