Home/Oppo/Oppo A3 (2018) vs vivo Z3i
Oppo A3 (2018)

Oppo A3 (2018)

#4223
vivo Z3i

vivo Z3i

#4031

Category Breakdown

Oppo A3 (2018)
vivo Z3i
Performance
78.178.1
Camera
19.128.4
Display
58.958.9
Battery
26.426.2
Build
0.20.2
Connectivity
54.955.9
Audio
8.98.9
Overall
35.336.8

Summary

  • The Oppo A3 (2018) and vivo Z3i both feature a similar IPS LCD display with a resolution of 1080 x 2280 pixels, but the Z3i has a slightly larger 6.3-inch screen compared to the A3's 6.2 inches.
  • In terms of performance, both devices utilize the Mediatek MT6771 Helio P60 chipset, but the Z3i offers 6GB of RAM versus the A3's 4GB.
  • Camera-wise, both have a 16 MP rear camera, but the Z3i includes an additional 2 MP depth sensor and a higher resolution 24 MP selfie camera compared to the A3's 8 MP.
  • The A3 has a slightly larger 3400 mAh battery, while the Z3i's 3315 mAh battery supports faster 18W charging.
  • Both smartphones run on Android 8.1 (Oreo), but the A3 features ColorOS 5, while the Z3i operates on a more standard Android experience.

Side-by-side Specification Comparison

Oppo A3 (2018)
vivo Z3i

General

Release Date

2018
2018

Announced

2018
2018

Description

Also known as realme 1 in India
For China

Display

Size

6.2"
6.3"

Type

IPS LCD
IPS LCD

Resolution

1080 x 2280 pixels, 19:9 ratio (~405 ppi density)
1080 x 2280 pixels, 19:9 ratio (~400 ppi density)

PPI

1080
1080

Refresh Rate

60Hz
60Hz

HDR Support

Protection

N/A
N/A

Performance

Chipset

Mediatek MT6771 Helio P60 (12 nm)
Mediatek MT6771 Helio P60 (12 nm)

CPU

Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)

GPU

Mali-G72 MP3
Mali-G72 MP3

Memory

128GB 4GB RAM
128GB 6GB RAM

Expandable Storage

Card Slot

microSDXC (dedicated slot)
microSDXC (dedicated slot)

Camera

Main Camera

16 MP, f/1.8, PDAF
16 MP, f/2.0, PDAF2 MP, f/2.4, (depth)

Main Camera Features

LED flash, HDR, panorama
LED flash, HDR, panorama

Front Camera

8 MP, f/2.2
24 MP, f/2.0, 26mm (wide), 1/2.8", 0.9µm

Front Camera Features

N/A
HDR

Video Recording

1080p@30fps
1080p@30fps

Selfie Video

N/A
1080p@30fps

Optical Stabilization

Night Mode

Raw Photo Support

Battery

Capacity

3400 mAh
3315 mAh

Battery Details

Li-Ion 3400 mAh, non-removable
3315 mAh, non-removable

Charging Details

N/A
18W wired

Fast Charging

Wireless Charging

Build & Safety

Dimensions

156 x 75.3 x 7.8 mm (6.14 x 2.96 x 0.31 in)
156 x 75.6 x 8.1 mm (6.14 x 2.98 x 0.32 in)

Weight

159 g
164 g

Materials

N/A
N/A

Colors

Knight Black, Soybean Meal, Stardust Silver, Garnet Red
Aurora blue, Millenium Pink

Foldable

SAR

N/A
N/A

Connectivity

SIM

Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM

Network

GSM / CDMA / HSPA / LTE
GSM / CDMA / HSPA / LTE

Network Speed

HSPA 42.2/5.76 Mbps, LTE (2CA) Cat13 600/100 Mbps
HSPA, LTE

5G

4G

WiFi

Wi-Fi 802.11 b/g/n/ac, dual-band, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct

Bluetooth

4.2, A2DP, LE
4.2, A2DP, EDR, LE, aptX

NFC

USB

microUSB 2.0, OTG
microUSB 2.0, OTG

IR Blaster

Headphone Jack

Radio

Positioning

GPS
GPS, GLONASS, BDS

Audio

Stereo Speakers

Loudspeaker

Yes
Yes

Audio Jack

Yes
Yes

Software & Security

Operating System

Android 8.1 (Oreo), ColorOS 5
Android 8.1 (Oreo)

Fingerprint

Face Unlock

Sensors

Accelerometer, gyro, proximity, compass
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass