Category Breakdown
Infinix Zero 4 Plus
Umidigi A9 Pro 2021
Performance
74.078.1
Camera
56.219.1
Display
58.958.9
Battery
28.129.4
Build
0.275.9
Connectivity
49.755.0
Audio
8.98.9
Overall
39.245.1
Summary
- The Infinix Zero 4 Plus features a solid build with a larger 5.98-inch IPS LCD display at 1080 x 1920 pixels, while the Umidigi A9 Pro 2021 offers a slightly larger 6.3-inch display with a higher resolution of 1080 x 2340 pixels, resulting in better pixel density.
- In terms of performance, the Zero 4 Plus is powered by a Mediatek Helio X20 chipset with a deca-core CPU, whereas the A9 Pro utilizes a more efficient Mediatek Helio P60 with an octa-core configuration, along with more RAM at 8GB compared to the Zero 4 Plus's 4GB.
- The camera systems differ significantly, with the A9 Pro boasting a 48 MP quad-camera setup and a 24 MP selfie camera, while the Zero 4 Plus has a single 21 MP rear camera and a 13 MP front camera.
- Battery capacity is slightly higher in the A9 Pro at 4150 mAh, supporting 10W charging, compared to the Zero 4 Plus's 4000 mAh with no fast charging.
- Finally, the Zero 4 Plus runs on Android 6.0, while the A9 Pro is equipped with the more recent Android 11, providing a more updated software experience.
Side-by-side Specification Comparison
Infinix Zero 4 Plus
Umidigi A9 Pro 2021
General
Release Date
2017
2021
Announced
2017
2021
Description
N/A
N/A
Display
Size
5.98"
6.3"
Type
IPS LCD
IPS LCD
Resolution
1080 x 1920 pixels, 16:9 ratio (~368 ppi density)
1080 x 2340 pixels, 19.5:9 ratio (~409 ppi density)
PPI
1080
1080
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
Corning Gorilla Glass 3
N/A
Performance
Chipset
Mediatek MT6797M Helio X20 (20 nm)
Mediatek Helio P60 (12 nm)
CPU
Deca-core 2.0 GHz
Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
GPU
Mali-T880 MP4
Mali-G72 MP3
Memory
64GB 4GB RAM
128GB 8GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC
microSDXC (dedicated slot)
Camera
Main Camera
21 MP, f/2.0, PDAF, OIS
48 MP, f/1.8, (wide), 1/2.0", AF16 MP, f/2.2, 120˚ (ultrawide)5 MP, (macro)5 MP, (depth)
Main Camera Features
Laser AF, Dual-LED flash, panorama, HDR
Dual-LED flash, HDR, panorama
Front Camera
13 MP, f/2.2
24 MP, f/2.0, (wide)
Front Camera Features
LED flash
N/A
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
N/A
1080p@30fps
Optical Stabilization
✓
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
4000 mAh
4150 mAh
Battery Details
Li-Ion 4000 mAh, non-removable
4150 mAh
Charging Details
N/A
10W wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
160.5 x 83 x 8.3 mm (6.32 x 3.27 x 0.33 in)
158.7 x 74.9 x 8.6 mm (6.25 x 2.95 x 0.34 in)
Weight
203 g
205 g
Materials
N/A
Aluminum frame
Colors
Lilac grey, Champagne, Galaxy Blue, Silver purple
Onyx Black, Forest Green
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Dual SIM (Micro-SIM, dual stand-by)
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
HSPA, LTE
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 a/b/g/n/ac, 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
NFC
✗
✗
USB
microUSB 2.0, OTG
USB Type-C, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS
GPS, GLONASS, GALILEO
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 6.0 (Marshmallow)
Android 11
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Fingerprint (rear-mounted), accelerometer, proximity, compass, thermometer (skin temperature)

