Redmi 15 5G vs Vivo Y31 5G: if you want to purchase the best 5G phone under a budget of 15k, which provides good battery life and performance, then you should definitely read this article to the end. Here, I have provided a detailed comparison between these two phones based on their features, price, and affordability. Both phones come with a powerful processor which provides very good performance while gaming and multitasking. You also get a very nice camera setup, a large battery pack with fast charging support, and the best part is you can purchase both phones at cheaper price in Flipkart upcoming Big Billion Days sales starting from 23 September 2025.
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Redmi 15 5G vs Vivo Y31 5G Features

When you look at features of Redmi 15 5G phone, then it is powered by Qualcomm Snapdragon 6 Gen 3 processor which provides very good performance. You get a 6.9-inch FHD+ LCD screen with 144 Hz refresh rate, which provides smooth scrolling experience, and you get a peak brightness of 850 nits in this phone, which enables you to use this phone even in direct sunlight conditions.
In rear side, you get 50 MP main sensor plus 0.08 MP auxiliary lens, whereas in front you get 8 MP selfie camera. The phone is equipped with 7000 mAh long-lasting battery pack, and you also get 33 watt fast charging support with this phone, along with 18 watt reverse charging. The phone is also very durable because it gets IP64 rating for dust and water resistance.
On the other hand, Vivo Y31 5G phone is powered by Qualcomm Snapdragon 4 Gen 2 processor which provides very good performance. You get a 6.68-inch HD+ LCD screen with 120 Hz refresh rate and a peak brightness of 1000 nits, which provides very good viewing experience with accurate colours and contrast combination.
In rear section, you get 50 MP main camera plus 0.08 MP auxiliary lens, whereas in front you get 8 MP selfie camera. The phone is equipped with 6500 mAh long-lasting battery pack, and you also get 44 watt fast charging support with this phone. The phone runs on Funtouch OS 15 based on Android 15, and it gets IP69 rating and military-grade resistance rating. You also get many AI features like “Circle to Search” in this smartphone.
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Redmi 15 5G vs Vivo Y31 5G Price

You have to spend ₹14,999 for the Redmi 15 5G phone, and you will get 6GB RAM and 128GB storage option. You have to spend the same amount to purchase 4GB RAM and 128GB storage option of Vivo Y31 5G phone. So, if your top priority is superior display, better performance, and longest battery life, then you should definitely choose Redmi 15 5G phone. But if you want faster charging and better AI integration, then you should go with Vivo Y31 5G phone.










