OnePlus 9 Pro vs Samsung Galaxy S21 Ultra vs Apple iPhone 12 Pro Max: Premium Smartphone Comparison

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The three big smartphones from different houses are present in the market and we will see which one suits us more. We are seeing the battle between the  OnePlus 9 Pro, Samsung Galaxy S21 Ultra and Apple iPhone 12 Pro Max. These three smartphones are the most hyped premium smartphone of the year as they offer premium quality services and the brands related to these smartphones are popular among the mass. People always compare these three smartphones as all three offer mostly the same performance but have their own magic in them.


OnePlus 9 Pro offers a longer 6.7-inch QHD+ LTPO display and has a high refresh rate of 120 Hz. Samsung Galaxy S21 Ultra hosts a 6.8-inch Dynamic AMOLED edge display and has the same refresh rate of 120 Hz. Apple iPhone 12 Pro Max is the largest iPhone which attributes a 6.7-inch OLED Super Retina XDR OLED panel but has a refresh rate of just 60 Hz. 

Also Read: Apple iPhone 12 Pro Max vs Xiaomi Mi 11: Which is the Most Powerful Smartphone?



Galaxy S21 Ultra and OnePlus 9 Pro are run by the same Qualcomm Snapdragon 888 mobile processor. On the other hand, iPhone 12 Pro Max is powered by the A14 Bionic chipset.


Samsung Galaxy S21 Ultra houses a 108MP wide-angle sensor, a 12MP Ultra-wide sensor, two 10MP telephoto zoom lenses and Laser Auto-Focus. OnePlus 9 Pro also features a quad rear camera setup. This includes a 48-megapixel Sony IMX789 primary sensor, a 50-megapixel Sony IMX766 secondary sensor, an 8-megapixel telephoto shooter, and a 2-megapixel monochrome sensor. Apple’s iPhone 12 Pro Max houses pro-grade 12-megapixel triple rear cameras. 

Talking about the front camera, Samsung Galaxy S21 Ultra has the strongest 40 MP front snapper when compared to the OnePlus 9 Pro and iPhone 12 Pro Max which hosts a 32 MP lens and a 12 MP lens for selfies respectively. OnePlus 9 Pro cameras are built by Hasselblad which is a famous Swedish camera manufacturer. They captured the lunar landings during NASA’s Apollo missions and will bring its iconic colour science to the OnePlus 9 Pro. Thus, improving the total quality of taking pictures for the users.

Battery and Fast Charging

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OnePlus 9 Pro houses a 4500mAh battery which is paired with Warp Charge 65T fast charging. Samsung’s new smartphone is backed by a robust 5000 mAh battery pack which comes along with 25W fast-charging support. The iPhone 12 Pro Max packs the weakest of the three, a 3687 mAh battery cell along with 20W fast-charging support. 


The OnePlus 9 Pro comes in two variants with two different prices: 

  • 8 GB + 128 GB: Rs. 64,999 
  • 12 GB + 256 GB: Rs. 69,999 

Samsung Galaxy S21 Ultra has two versions:

  • 12 GB + 256 GB: Rs 93,639
  • 16 GB + 512 GB: Rs 116,200
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iPhone 12 Pro Max has three variants:

  • 6GB + 128GB: Rs 125,900
  • 6GB + 256GB: Rs 134,900
  • 6GB + 512GB: Rs 155,900

Our Thoughts

Even though the iPhone comes with a Super Retina XDR OLED panel, it has a very low refresh rate as compared to the OnePlus 9 Pro and Samsung Galaxy S21 Ultra. When it comes to processor, the OnePlus and Samsung has the strongest mobile processor in the form of Snapdragon 888 for Android devices but its performance is still weaker than Apple’s A14 Bionic chipset.

In terms of camera, it is a close fight between Samsung and the OnePlus but we would like to go with the latter due to the presence of Swedish manufacturer Hasselblad. Samsung edges out OnePlus in the battery domain and again Apple fails to show great specs. There is a huge difference in the prices of the three smartphones.

To make a parallel comparison we can take the 12 GB + 256 GB model which is way expensive for Samsung and Apple when compared to the OnePlus 9 Pro. Due to all these points, the OnePlus 9 Pro will be our choice. Do your own analysis to come to your conclusion and do let us know.

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Sanidhya Bhardwaj
A football lover who is doing an MBA in finance and currently covering every news related to smartphones. I believe in diversification, both, in life and in my trading portfolio. Do check out my blogs to be aware of the recent happenings around you!

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