OPPO A78 vs vivo Y27s

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

OPPO A78Snapdragon 680 4GChange
vivo Y27svivo Y27sSnapdragon 680 4GChange

Key differences

  1. Versions: owners have shared the A78 as 8GB | 256GB, the Y27s as 8GB | 128GB and 8GB | 256GB.

The same on both: the Snapdragon 680 4G chip, a 90 Hz screen, Android 15 and Widevine L1.

Chipset

Chipset
Snapdragon 680 4GSnapdragon 680 4G
Process
6 nm6 nm
CPU
4× 2.40 GHz Kryo 265 Gold
4× 1.90 GHz Kryo 265 Silver4× 2.40 GHz Kryo 265 Gold
4× 1.90 GHz Kryo 265 Silver
Top CPU speed
2.40 GHz2.40 GHz
CPU cores
88
GPU
Adreno 610Adreno 610

Memory

Versions seen
8GB | 256GB8GB | 128GB
8GB | 256GB
RAM type
LPDDR4XLPDDR4X

Display

Size
6.6 in6.6 in
Resolution
1080 × 24001080 × 2388
Pixel density
401 ppi398 ppi
Refresh rates
90 Hzalso 6090 Hzalso 60

Battery

Capacity
5,000 mAh5,000 mAh

Cameras

Back camera
12.5 MP4080 × 3072 · f/1.8 · 4.05 mm12.5 MP4080 × 3060 · f/1.8 · 4.05 mm
Front camera
8 MP3264 × 2448 · f/2.05 · 2.51 mm8 MP3264 × 2448 · f/2 · 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
YesYes
Bluetooth LE Audio
NoNo
NFC
YesNo
UWB
NoNo
USB host
YesYes

Software

Android
Android 15Android 15
Released with
Android 13Android 13
Widevine DRM
L1L1

Sensors

Sensors
26 sensors34 sensors
A78 full specs Y27s full specs

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