LG K31
#4523
ZTE Zmax Pro
#4913Category Breakdown
LG K31
ZTE Zmax Pro
Performance
62.660.7
Camera
19.119.1
Display
56.558.9
Battery
24.226.4
Build
0.20.2
Connectivity
48.048.5
Audio
8.98.9
Overall
32.930.3
Summary
- The LG K31 features a compact build with dimensions of 147.8 x 71.1 x 8.6 mm and a weight of 146g, while the ZTE Zmax Pro is larger at 165.1 x 83.8 x 8.9 mm and weighs 174.9g.
- The K31 has a 5.7-inch IPS LCD display with a resolution of 720 x 1520 pixels, whereas the Zmax Pro offers a 6.0-inch IPS LCD with a higher resolution of 1080 x 1920 pixels, resulting in better pixel density.
- In terms of performance, the K31 is powered by the MediaTek Helio P22 chipset, while the Zmax Pro uses the Qualcomm Snapdragon 617, both with 2GB of RAM.
- Both phones have a 13 MP rear camera and a 5 MP front camera, but the K31 has a wider aperture for potentially better low-light performance.
- The K31's battery capacity is 3000mAh, compared to the Zmax Pro's 3400mAh, providing slightly longer usage time.
- Finally, the K31 runs on Android 10 with LG UX 9.1, while the Zmax Pro operates on an older Android 6.0 (Marshmallow).
Side-by-side Specification Comparison
LG K31
ZTE Zmax Pro
General
Release Date
2020, August 21
2016
Announced
2020, August 21
2016
Description
N/A
N/A
Display
Size
5.7"
6"
Type
IPS LCD
IPS LCD
Resolution
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
1080 x 1920 pixels, 16:9 ratio (~367 ppi density)
PPI
720
1080
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
Corning Gorilla Glass 3
Performance
Chipset
Mediatek MT6762 Helio P22 (12 nm)
Qualcomm MSM8952 Snapdragon 617 (28 nm)
CPU
Octa-core 2.0 GHz Cortex-A53
Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
GPU
PowerVR GE8320
Adreno 405
Memory
32GB 2GB RAM
32GB 2GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC
microSDXC (dedicated slot)
Camera
Main Camera
13 MP, f/1.8, 27mm (wide), 1/3.1", 1.12µm, PDAF5 MP, f/2.2, 120˚ (ultrawide), 1/5.0", 1.12µm
13 MP, f/2.2, 20mm (ultrawide), PDAF
Main Camera Features
LED flash, panorama, HDR
LED flash, HDR, panorama
Front Camera
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
5 MP
Front Camera Features
N/A
N/A
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
1080p@30fps
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
3000 mAh
3400 mAh
Battery Details
Li-Ion 3000 mAh
Li-Ion 3400 mAh, non-removable
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
165.1 x 83.8 x 8.9 mm (6.5 x 3.30 x 0.35 in)
Weight
146 g
174.9 g
Materials
N/A
N/A
Colors
Gray
Black
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM
Network
GSM / CDMA / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA, LTE
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct
Bluetooth
5.0, A2DP, LE
4.1, A2DP, LE
NFC
✗
✗
USB
microUSB 2.0
USB Type-C 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS
GPS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 10, LG UX 9.1
Android 6.0 (Marshmallow)
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (rear-mounted), accelerometer
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass