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

