vivo S1 vs Y18

Specs compared side by side, measured on real phones shared by owners with the Device Info app.

vivo S1Helio P65Change
vivo Y18Helio G85Change

Key differences

  1. Chipset: the S1 uses the Helio P65 (12 nm), the Y18 the Helio G85 (12 nm).
  2. Screen: 6.4 inches on the S1, 6.6 inches on the Y18. Up to 62 Hz on the S1, 90 Hz on the Y18.
  3. Battery: 4,500 mAh on the S1, 5,000 mAh on the Y18.
  4. Main camera: 15.9 MP on the S1, 13.1 MP on the Y18.

Chipset

Chipset
Helio P65Helio G85
Process
12 nm12 nm
CPU
2× 2.00 GHz Cortex-A75
6× 1.70 GHz Cortex-A552× 2.00 GHz Cortex-A75
6× 1.80 GHz Cortex-A55
Top CPU speed
2.00 GHz2.00 GHz
CPU cores
88
GPU
Mali-G52 MC2Mali-G52 MC2

Memory

Versions seen
6GB | 128GB4GB | 64GB
RAM type
LPDDR4XLPDDR4X

Display

Size
6.4 in6.6 in
Resolution
1080 × 2340720 × 1612
Pixel density
404 ppi269 ppi
Refresh rates
62 Hz90 Hzalso 60

Battery

Capacity
4,500 mAh5,000 mAh

Cameras

Back camera
15.9 MP4608 × 3456 · f/1.78 · 4.05 mm13.1 MP4208 × 3120 · f/2.2 · 3.38 mm
Front camera
15.9 MP4608 × 3456 · f/2 · 3.84 mm4.9 MP2560 × 1920 · f/2.2 · 2.24 mm

Megapixels are what Android reports to apps. Many phones combine pixels by default, so the advertised megapixels can be higher.

Connectivity

Wi-Fi
—Wi-Fi 5
6 GHz Wi-Fi
—No
Bluetooth LE Audio
—No
NFC
NoYes
UWB
NoNo
USB host
YesYes

Software

Android
Android 9Android 16
Released with
Android 9Android 14
Widevine DRM
L3L1

Sensors

Sensors
27 sensors19 sensors
S1 full specs Y18 full specs

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From phones shared with the Device Info app · updated October 2026 Hardware specs only. No personal data. Privacy