Display
Nokia 4.2: 5.71-inch HD+ Si TFT display with 2.5D curved glass protection Samsung Galaxy M20: 6.3-inch full HD+ display Redmi Note 7: 6.3-inch Full HD+ LCD display
Processor
Nokia 4.2: octa-core Qualcomm Snapdragon 439 SoC Samsung Galaxy M20: Octa-core Exynos 7904 SoC Redmi Note 7: Qualcomm Snapdragon 660 SoC
Rear camera(s)
Nokia 4.2: Dual rear camera setup with a 13MP sensor and a 2MP sensor Samsung Galaxy M20: Dual rear camera setup with 13MP and 5MP sensors Redmi Note 7: Dual rear camera setup with 12MP and 2MP sensors
Selfie camera
Nokia 4.2: 8MP front-facing camera Samsung Galaxy M20: 8MP selfie camera Redmi Note 7: 13MP front-facing camera
RAM and storage
Nokia 4.2: 3GB RAM and 32GB of internal storage Samsung Galaxy M20: 3GB RAM/32GB storage, 4GB RAM/64GB storage Redmi Note 7: 3GB RAM/32GB onboard storage, 4GB RAM/64GB internal storage
Support for microSD card
Nokia 4.2: Yes, up to 400GB Samsung Galaxy M20: Up to 512GB Redmi Note 7: Up to 256GB
Battery
Nokia 4.2: 3,000mAh battery Samsung Galaxy M20: 5,000mAh battery Redmi Note 7: 4,000mAh battery
Operating system
Nokia 4.2: Android 9 Pie Samsung Galaxy M20: Android 8.1 Oreo skinned with Samsung Experience v9.5 Redmi Note 7: Android 9.0 Pie skinned with MIUI 10
Starting Price
Nokia 4.2: Rs 10,990 Samsung Galaxy M20: The 3GB RAM/32GB storage is priced at Rs 10,990, 4GB RAM/64GB storage costs Rs 12,990. Redmi Note 7: Rs 9,999
Comparing all the three devices we see that all these devices have some strengths and some weaknesses. The Redmi Note 7 packs some good specifications and is powered by a better and stronger CPU. Samsung Galaxy M20 has a bigger battery and more expandable storage option. The Nokia 4.2 on the other hand runs Android 9.0 Pie and has the Nokia branding behind it making it a durable smartphone. Plus, all Nokia smartphones are a part of Google’s Android One program, which is definitely an added advantage. So, it really depends on what the customer is looking for.
