Xiaomi Redmi K40 vs Oppo Reno4

Xiaomi Redmi K40 vs Oppo Reno4: Compare the Xiaomi Redmi K40 and Oppo Reno4 to find out which smartphone offers the best features and performance. Discover the differences in design, display, camera, battery life, and more to make an informed decision before making a purchase.

Feature	Xiaomi Redmi K40	Oppo Reno4
Display	6.67-inch Super AMOLED	6.4-inch AMOLED
Resolution	1080 x 2400 pixels	1080 x 2400 pixels
Refresh Rate	120Hz	60Hz
Processor	Qualcomm Snapdragon 870	Qualcomm Snapdragon 720G
RAM	6GB/8GB	8GB
Storage	128GB/256GB	128GB
Main Camera	48 MP (f/1.8)	48 MP (f/1.7)
Ultra-wide Camera	8 MP (f/2.2)	8 MP (f/2.2)
Depth Sensor	5 MP (f/2.4)	2 MP (f/2.4)
Front Camera	20 MP (f/2.5)	32 MP (f/2.4)
Video Recording	4K@30/60fps	4K@30fps
Battery Capacity	4520 mAh	4015 mAh
Charging	33W Fast Charging	30W VOOC Flash Charge
Operating System	MIUI 12 based on Android 11	ColorOS 7.2 based on Android 10
Weight	196 grams	165 grams
Dimensions	163.7 x 76.4 x 7.8 mm	160.3 x 73.9 x 7.7 mm
Biometric Authentication	Fingerprint (under display)	In-display fingerprint scanner
Connectivity	5G, 4G LTE, Wi-Fi, Bluetooth	4G LTE, Wi-Fi, Bluetooth
Sim Card	Dual SIM (Nano-SIM, dual stand-by)	Dual SIM (Nano-SIM, dual stand-by)