vivo S1 vs Y20i

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

vivo S1Helio P65Change
vivo Y20iSnapdragon 460Change

Key differences

  1. Chipset: the S1 uses the Helio P65 (12 nm), the Y20i the Snapdragon 460 (11 nm). The S1's fastest core runs at 2.00 GHz, the Y20i's at 1.80 GHz.
  2. Screen: 6.4 inches on the S1, 6.5 inches on the Y20i. Up to 62 Hz on the S1, 60 Hz on the Y20i.
  3. Battery: 4,500 mAh on the S1, 5,000 mAh on the Y20i.
  4. Main camera: 15.9 MP on the S1, 13.1 MP on the Y20i.

Chipset

Chipset
Helio P65Snapdragon 460
Process
12 nm11 nm
CPU
2× 2.00 GHz Cortex-A75
6× 1.70 GHz Cortex-A554× 1.80 GHz Kryo 240 Gold
4× 1.61 GHz Kryo 240 Silver
Top CPU speed
2.00 GHz1.80 GHz
CPU cores
88
GPU
Mali-G52 MC2Adreno 610

Memory

Versions seen
6GB | 128GB3GB | 64GB
4GB | 64GB
8GB | 128GB
RAM type
LPDDR4XLPDDR4X

Display

Size
6.4 in6.5 in
Resolution
1080 × 2340720 × 1600
Pixel density
404 ppi269 ppi
Refresh rates
62 Hz60 Hz

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 · 3.66 mm
Front camera
15.9 MP4608 × 3456 · f/2 · 3.84 mm8 MP3264 × 2448 · f/1.8 · 2.54 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
NFC
NoNo
UWB
NoNo
USB host
YesYes

Software

Android
Android 9Android 12
Released with
Android 9Android 10
Widevine DRM
L3L1

Sensors

Sensors
27 sensors28 sensors
S1 full specs Y20i full specs

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