Samsung A15 vs Oppo A60 | Which is the best ? 

samsung a15 4g on amazon online store around $189.99

It's okay, the Oppo A60 has a sturdy and tough body.

Oppo a60 is still sleek by far as compared to that Samsung and it is super charging 45w

I'm planning to buy oppo is durable

Samsung. because the MediaTek Helio G99 has a higher overall score compared to the Snapdragon 680

Not very

Snapdragon can handle gaming more than g99 abd processor is 2.4ghz which is better than2.2 ghz.

And oppo a60 is military grade it has ip54 waterproof and display has 950 nits brightness. But samsung a15 hasnʼt

Samsung has 400 nits