Vivo Y75s is an upcoming smartphone in Vivo's line of Y series device. The phone features a 5.99 inches display with a screen resolution of 1440 x 750 pixel. It is powered by an Octa-Core Snapdragon 450 processor clocked at 1.8GHz.

Vivo Y75s packs a 4GB Ram, 16GB internal storage with an expandable memory of 256. The smartphone will run on Funtouch OS 3.2 based on Android 7.1.2 operating system with with Adreno 506 GPU. See more details below.

Vivo Y75s Key Specifications
5.99-inch (1440 x 720 pixels) 18:9 FullView 2.5D curved glass display
1.8GHz Octa-Core Snapdragon 450 14nm Mobile Platform with Adreno 506 GPU
4GB RAM, 64GB internal storage, expandable memory up to 256GB with microSD
Funtouch OS 3.2 based on Android 7.1.2 (Nougat)
Dual SIM
13MP rear camera with LED flash
16MP front-facing camera with LED flash
Fingerprint sensor
Dimensions: 155.87 × 75.7 × 7.7mm; Weight: 160g
4G VoLTE, Wi-Fi 802.11 ac (2.4GHz + 5GHz), Bluetooth 4.2, GPS + GLONASS
3225mAh built-in battery

Source: https://www.techchairman.com/2018/05/vivo-y75s-full-phone-specs-and-features.html?m=1