Vivo Y100i vs Vivo Y31 5G

At a glance

Brand: vivo; vivo
Release date: November 2023, 2 years ago; September 2025, 7 months ago
Launch price: CN¥ 999.00 ($ 146.09); —
AnTuTu: 391.000 Antutu v10 Overall performance better than 65% of devices; 456.552 Antutu v10 Overall performance better than 71% of devices

Size: 6.64"; 6.68"
Resolution: 1080 x 2388 px FHD+; 720 x 1608 px HD+
Type: LCD IPS; LCD IPS
Density: 395 ppi High Density; 264 ppi Medium Density
Aspect ratio: 20:9; 20:9
Features: Hole-punch Notch, 60 Hz refresh rate, Touch sampling rate 240 Hz, 1500:1 contrast ratio, DCI-P3, 2.5D curved glass screen, Capacitive, Multi-touch, Frameless; Hole-punch Notch, SGS Certified, Refresh rate 120 Hz, Max brightness HBM - 1000 cd/m², 1500:1 contrast ratio, Color LED Notifications, Scratch resistant, 2.5D curved glass screen, Capacitive, Frameless

Chipset: MediaTek Dimensity 6020 (MT6833V/ZA); Qualcomm Snapdragon 4 Gen 2 (SM4450)
CPU: 2x2.2 GHz ARM Cortex A76 + 6x2.0 GHz ARM Cortex A55; 2x2.2 GHz Cortex A76 +6x 2.0 GHz Cortex A55
CPU type: Octa-Core; Octa-Core
Process: 7 nm; 4 nm
Frequency: 2.2 GHz; 2.2 GHz
GPU: ARM Mali-G57; Qualcomm Adreno
RAM: 8 GB; 4 GB
RAM type: LPDDR4X RAM; LPDDR4X RAM
64-bit: Yes; Yes

Resolution: 50 Mpx; 50 Mpx
Aperture: ƒ/ 1.8; ƒ/ 1.8
Flash: Dual LED; LED
Optical stabilization: No; No
Slow motion: No, 30 fps; Yes, 120 fps
Features: Digital zoom, Dual camera, Digital image stabilization, Autofocus, Touch focus, Phase detection autofocus (PDAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer; Flicker sensor, Digital zoom, Dual camera, Digital image stabilization, Autofocus, Touch focus, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer

Dimensions: 76.2 mm 164.1 mm 8.0 mm Print 3D Model; 77.0 mm 166.1 mm 8.4 mm Print 3D Model
Weight: 190 g; 209 g
Materials: Plastic; Plastic
Colors: Black Blue Pale Pink; Red Green
Usable surface: 85 %; 83 %
Water/dust resistance: —; IP64 , MIL-STD-810H

Operating system: Android 13 Tiramisu OriginOS 3 (Android 13); Android 15 Funtouch OS 15 (Android 15)
Google services: Without Google Mobile services; With Google Mobile Services

SIM: Dual SIM Dual Standby (Nano SIM + Nano SIM); Dual SIM Dual Standby (Nano SIM + Nano SIM)
Bluetooth: Bluetooth 5.3 LELow energy consumption; Bluetooth 4.2 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile), LE (Low Energy), APT-x, LDAC, SBC, AAC; A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), HID (Human Interface Profile), LE (Low Energy), APT-x, SBC
Wi-Fi: 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac; 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac
Wi-Fi features: Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display; Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display
USB features: Charging, OTG; Charging, OTG
Navigation: GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo; GPS, A-GPS, GLONASS, Beidou, QZSS
USB: —; USB Type-C

5G: n1 (2100), n5 (850), n8 (900), n28a (700), n41 (2500), n77 (3700), n78 (3500); n1 (2100), n3 (1800), n5 (850), n8 (900), n28b (700), n40 (2300), n77 (3700), n78 (3500)
4G LTE: B1 (2100), B3 (1800), B5 (850), B8 (900), B28a (700), B34 (TDD 2100), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500); B1 (2100), B3 (1800), B5 (850), B8 (900), B28b (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500)
3G: B1 (2100), B5 (850), B8 (900); B1 (2100), B5 (850), B8 (900)
2G: CDMA BC0 (800), B3 (1800), B5 (850), B8 (900); B3 (1800), B5 (850), B8 (900)