Oppo F31 vs Oppo K13 In 2025: if you want to purchase the best Oppo phone with 5G connectivity under a budget of 25k, then you should definitely know about Oppo F31 and Oppo K13 5G phones. Both phones come with a powerful processor which provides top-notch performance, and you get a very good AMOLED screen with 120Hz refresh rate and good peak brightness. You also get a very nice camera setup and a battery backup of 7000mAh with watt SuperVOOC fast charging support. Along with that, you can get both smartphones at cheaper price in upcoming Flipkart Big Billion Days sales starting from 23 September 2025.

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Oppo F31 vs Oppo K13 All Features

When you look at features of Oppo K13 5G phone, then it is powered by Qualcomm Snapdragon 6 Gen4 processor which provides very good performance. While playing games like BGMI and Call of Duty, you do not feel any kind of lag in this phone or any frame drops while playing games on higher graphics. The phone comes with a 6.67 inch AMOLED screen with a very smooth 120Hz refresh rate, and it also has a peak brightness of up to 1200 nits which allows you to use this in direct sunlight conditions.

In rear section, you get a dual camera setup which includes 50MP main sensor plus 2MP micro camera, whereas in front you get 16MP selfie camera. The phone is equipped with a 7000mAh long-lasting battery pack, and you can quickly charge this phone with 80W SuperVOOC charger provided with the phone. The phone is very durable because it gets IP53 rating for dust and water resistance, and it runs on Android 15 with ColorOS 15.

On the other hand, Oppo F31 5G phone is powered by MediaTek Dimensity 6300 processor, and you get a 6.57 inch screen with 120Hz refresh rate which provides very good viewing experience. In this phone, you also get a peak brightness of 1400 nits, so you can easily see the content of your phone even in direct sunlight conditions.

In rear section, you get a dual camera setup which includes 50MP main sensor plus 2MP portrait lens, whereas in front you get 16MP selfie camera. This phone also comes with 7000mAh long-lasting battery, and you get the same 80W SuperVOOC fast charging support with this phone. The phone comes with a higher IP69 rating for enhanced dust and water resistance, and it also runs on Android 15 with ColorOS 15.

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Oppo F31 vs Oppo K13 Price: Which One Offers Better Value for Money?

You have to spend around 22,999 rupees to purchase the newly launched Oppo F31 5G phone for the 8GB RAM and 128GB internal storage model, and you have to spend just 17,999 rupees for the same variant of Oppo K13 5G phone. So if your main priority is best performance with faster storage, then you should definitely choose Oppo K13 5G phone. But if you want super durability and a brighter screen, then you should go with Oppo F31 5G phone.