Hope this comparison helps in deciding what to buy.
OnePlus 7 Vs. OnePlus 7 Pro - Specifications Comparision: OnePlus 7 Pro OnePlus 7 Display 6.67-inch Fluid AMOLED (~88.1% screen-to-body ratio) 3120x1440 pixels resolution (19.5:9) (~516 ppi density) 90Hz, HDR10+ Gorilla Glass 6 protection 6.41-inch Optic AMOLED (~85.5% screen-to-body ratio) 2340x1080 pixels resolution (19.5:9) (~402 ppi density) Gorilla Glass 6 protection Build Front/back glass, Aluminum frame Front/back glass, Aluminum frame Chipset Qualcomm SDM855 Snapdragon 855 (7 nm) Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.80 GHz Kryo 485) CPU Adreno 640 GPU Qualcomm SDM855 Snapdragon 855 (7 nm) Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.80 GHz Kryo 485) CPU Adreno 640 GPU RAM 6GB/8GB/12GB 6GB/8GB Storage 128GB/256GB 128GB/256GB SIM Dual SIM (Nano-SIM, dual stand-by) Dual SIM (Nano-SIM, dual stand-by) MicroSD card slot No No Rear camera 1 48 MP, f/1.6, 1/2", 0.8µm, Laser/PDAF, OIS 48 MP, f/1.7, 1/2", 0.8µm, PDAF, OIS Rear camera 2 8 MP, f/2.4, 78mm (telephoto), 3x zoom, Laser/PDAF, OIS 5MP, f/2.4, 1.12µm, depth sensor Rear camera 3 16 MP, f/2.2, 13mm (ultrawide) No Front camera Motorized pop-up 16 MP, f/2.0, 25mm (wide), 1/3.0", 1.0µm 16 MP, f/2.0, 25mm (wide), 1/3.1", 1.0µm Connectivity Wi-Fi ac 2x2 MIMO, Bluetooth 5.0 AptX HD, LDAC, NFC, A-GPS, USB 3.1, Type-C 1.0 reversible connector, USB On-The-Go Wi-Fi ac 2x2 MIMO, Bluetooth 5.0 AptX HD, NFC, A-GPS USB 3.1, Type-C 1.0 reversible connector, USB On-The-Go Speed HSPA 42.2/5.76 Mbps, LTE-A (5CA) Cat18 1200/150 Mbps HSPA 42.2/5.76 Mbps, LTE-A (5CA) Cat16 1024/150 Mbps Audio USB-C, Stereo speakers USB-C, Stereo speakers 3.5mm jack No No Battery Non-removable Li-Po 4000mAh Non-removable Li-Po 3700mAh Charging USB-C 3.1 Fast battery charging 30W (Warp Charge) USB-C Fast battery charging 20W Operating system Android 9.0 (Pie); OxygenOS 9 Android 9.0 (Pie); OxygenOS 9 Water resistance No No Security In-display fingerprint In-display fingerprint Dimensions 162.6 x 75.9 x 8.8mm 157.7 x 74.8 x 8.2mm Weight 206g 182g Colors Mirror Gray, Nebula Blue, Almond Mirror Gray, Red Price ₹48,999 (6GB RAM + 128GB Storage) ₹52,999 (8GB RAM + 256GB Storage) ₹57,999 (12GB RAM + 256GB Storage) ₹32999 (6GB RAM + 128GB Storage) ₹37999 (8GB RAM + 256GB Storage)