vivos18 and Redmi K70 are both mid-range models,The price is very close,Some friends are more entangled in how to choose these two mobile phones,Let me share with you their differences and purchase experience。 
vivos18 is a curved screen, made of plastic middle frame and glass back cover material, and the fuselage is 745mm, weight 1858g, there are three colors: black, clear, and flowery;
Redmi K70 is a straight screen, made of metal middle frame and glass back cover material, and the fuselage is thick821mm, weighing 209g, there are four colors: Bamboo Moon Blue, Clear Snow, Light Eggplant Purple, and Ink Feather. vivos18
8GB+256GB: 2299 yuanRedmi K7012GB+256GB: 2599 yuan
12GB+512GB: 2799 yuan
16GB+512GB: 2999 yuan.
12GB+256GB: 2499 yuan 16GB+256GB: 2699 yuan 16GB+512GB: 2999 yuan 16GB+1TB: 3399 yuan.VivoS18** with the same memory 12GB+256GB is 100 yuan more expensive than Redmi K70. vivos18: Snapdragon 7Gen3 processor + LPDDR4X + UFS22（16gb+512gb：lpddr5+ufs3.1）
Redmi K70: Snapdragon 8 Gen2 processor + LPDDR5X + UFS40
vivos18 is equipped with Snapdragon 7gen3 processor, with a running score of about 1 million, Redmi K70 is equipped with Snapdragon 8gen2 processor, with a running score of about 1.7 million, Redmi K70 has higher memory and flash memory versions, faster data transmission and processing capabilities, and stronger multitasking capabilities;The Redmi K70 is more powerful than the VivoS18.vivos18：6.78-inch OLED curved screen, 2800*1260 resolution, 120Hz refresh rate, 452ppi, 300Hz touch sampling rate, 2800nit peak brightness, 10bit, 2160Hz high-frequency PWM dimming.
Redmi K70: 667-inch Huaxing C8 straight screen, 120Hz refresh rate, 3200*1440 resolution, 12bit, 4000nit peak brightness, 2160Hz instantaneous touch sampling rate, 526PPI, 3840Hz high-frequency PWM dimming, Qingshan eye protection.
Redmi K70 is higher than vivos18 resolution, pixel density, peak brightness, color depth, and 3840Hz high-frequency PWM dimming, the screen display is clearer, the colors are richer, the display is more real and vivid, and the screen is more eye-friendly.vivos18
Front: 50 million pixel portrait.
Rear: 50 million pixels (Sony IMX920 OIS) ultra-light portrait + 8 million pixels ultra-wide angle.
Redmi K70 front: 16 million pixels.
Rear: 50 million pixels (800 ois for Light and Shadow Hunter) + 8 million pixels ultra-wide angle + 2 million pixels macro.
vivos18 has 50 million pixels on the front, which is higher than the 16 million pixels of Redmi K70, and the effect is better;vivos18 rear Sony IMX920 sensor, 1 156-inch bottom, Redmi K70 rear light and shadow hunter 800 sensor, 1 155Inch bottom,All support optical image stabilization,There is not much difference between the main camera,RedmiK70There is an additional 2 million pixel macro camera;Overall, the Redmi K70 has slightly better photo results than the VivoS18.vivos18: 5000mAh + 80W wired fast charging.
Redmi K70: 5000mAh + 120W wired fast charging.
VivoS18 and Redmi K70 have the same battery capacity;Redmi K70 has a faster wired charging speed.The Redmi K70 uses stereo dual speakers, which has a more three-dimensional sound than the single speaker of the vivos18.
Redmi K70 uses an X-axis linear motor, which is more delicate than the rotor motor of the vivos18.
Both VivoS18 and Redmi K70 support IP54 water and dust resistance and support NFC. vivos18 is a curved screen,vivos18 is thinner and lighter than Redmi K70,**The effect is better;Like**, friends who want a thin and light mobile phone can consider vivos18. Redmi K70 is a straight screen;Redmi K70 has stronger performance than vivos18, clearer screen display, richer colors, more realistic restoration, more eye protection, better photo effect, and faster wired charging;If you like to play games, take pictures, and want a clearer and more eye-friendly screen, you can consider Redmi K70, Redmi K70 is more cost-effective and more worth buying. Digital Goodies Awards