Display: Oppo K1: 6.4-inch full-HD+ AMOLED display Asus Zenfone Max Pro M2: 6.26-inch full-HD+ display Redmi Note 6 Pro: 6.26-inch Full HD+ display Samsung M20: 6.3-inch full HD+ display Processor: Oppo K1: Qualcomm Octa-core Snapdragon 660 processor Asus Zenfone Max Pro M2: Qualcomm Snapdragon 660 processor Redmi Note 6 Pro: Qualcomm Snapdragon 636 processor Samsung M20: Octa-core Exynos 7904 processor
Primary Camera: Oppo K1: Dual rear camera setup with a 16MP primary sensor with f/1.7 aperture and a 2MP secondary sensor with f/2.4 aperture Asus Zenfone Max Pro M2: Dual rear camera of 12MP and 5MP sensor Redmi Note 6 Pro: 12MP+5MP dual rear cameras that come with AI enhancements Samsung M20: Dual rear camera setup with 13MP and 5MP sensors Secondary Camera: Oppo K1: 25MP selfie camera Asus Zenfone Max Pro M2: 13MP sensor with an f/2.0 aperture Redmi Note 6 Pro: 20MP+2MP dual selfie cameras Samsung M20: 8MP selfie camera RAM and Storage: Oppo K1: 4GB RAM with 64GB of storage Asus Zenfone Max Pro M2: 3GB RAM/ 4GB RAM/ 6GB RAM with storage of 32GB, 64GB and 64GB storage Redmi Note 6 Pro: 4GB/6GB RAM and 64GB storage Samsung M20: 3GB RAM/32GB storage, 4GB RAM/64GB storage Support for Storage card: Oppo K1: Up to 256GB Asus Zenfone Max Pro M2: Up to 2TB Redmi Note 6 Pro: Up to 256GB Samsung M20: Up to 512GB Battery: Oppo K1: 3,600mAh battery Asus Zenfone Max Pro M2: 5,000 mAh battery Redmi Note 6 Pro: 4,000mAh battery Samsung M20: 5,000mAh battery Operating System (OS): Oppo K1: Android 8.1 Oreo skinned with ColorOS 5.2 Asus Zenfone Max Pro M2: Android 8.1 Oreo Redmi Note 6 Pro: Android 8.1 Oreo skinned with MIUI 10 Samsung M20: Android 8.1 Oreo skinned with Samsung Experience v9.5 Price: Oppo K1: Rs 16,990 for 4GB RAM + 64GB storage Asus Zenfone Max Pro M2: 3GB variant costs Rs 12,999, the 4GB variant costs Rs 14,999 and the 6GB variant comes at Rs 16,999 Redmi Note 6 Pro: The 4GB RAM/64GB storage model costs Rs 13,999, the 6GB RAM/64GB storage variant is priced at Rs 15,999. Samsung M20: The 3GB RAM/32GB storage is priced at Rs 10,990, 4GB RAM/64GB storage costs Rs 12,990. For the latest gadget and tech news, and gadget reviews, follow us on Twitter, Facebook and Instagram. For newest tech & gadget videos subscribe to our YouTube Channel.