Category Breakdown
LG K40S
ZTE nubia Z9
Performance
62.666.5
Camera
19.137.9
Display
56.558.9
Battery
26.623.3
Build
0.20.2
Connectivity
64.568.4
Audio
8.98.9
Overall
33.634.1
Summary
- The LG K40S features a larger 6.1-inch IPS LCD display with a resolution of 720 x 1520 pixels, while the ZTE nubia Z9 has a smaller 5.2-inch IPS LCD with a higher resolution of 1080 x 1920 pixels, resulting in a sharper image.
- In terms of performance, the K40S is powered by the Mediatek Helio P22 chipset, whereas the nubia Z9 utilizes the more powerful Qualcomm Snapdragon 810.
- The camera capabilities differ significantly, with the K40S offering a 13 MP rear camera and a 13 MP selfie camera, while the nubia Z9 boasts a 16 MP rear camera and an 8 MP front camera, capable of 4K video recording.
- Battery capacity is slightly higher in the K40S at 3500 mAh compared to the nubia Z9's 2900 mAh.
- Software-wise, the K40S runs Android 9.0 (upgradable to Android 10), while the nubia Z9 operates on an older Android 5.2 with nubia UI 3.
- Both devices lack water resistance and have similar connectivity options, including NFC and microUSB.
Side-by-side Specification Comparison
LG K40S
ZTE nubia Z9
General
Release Date
2019
2015
Announced
2019
2015
Description
N/A
N/A
Display
Size
6.1"
5.2"
Type
IPS LCD
IPS LCD
Resolution
720 x 1520 pixels, 19:9 ratio (~276 ppi density)
1080 x 1920 pixels, 16:9 ratio (~424 ppi density)
PPI
720
1080
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Mediatek MT6762 Helio P22 (12 nm)
Qualcomm MSM8994 Snapdragon 810 (20 nm)
CPU
Octa-core 2.0 GHz Cortex-A53
Octa-core (4x1.5 GHz Cortex-A53 & 4x2.0 GHz Cortex-A57)
GPU
PowerVR GE8320
Adreno 430
Memory
32GB 2GB RAM, 32GB 3GB RAM
32GB 3GB RAM (Classic), 64GB 4GB RAM (Exclusive & Elite)
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
No
Camera
Main Camera
13 MP, f/2.2, 26mm (wide), PDAF5 MP, (ultrawide)
16 MP, f/2.0, 1/2.6", 1.12µm, AF
Main Camera Features
LED flash, panorama, HDR
LED flash, panorama, HDR
Front Camera
13 MP, f/2.0, 1/3.1", 1.12µm
8 MP, f/2.0, 1/3.2", 1.4µm
Front Camera Features
N/A
N/A
Video Recording
1080p@30fps
4K@24fps, 1080p@30fps, 480p@120fps
Selfie Video
1080p@30fps
1080p@30fps
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
3500 mAh
2900 mAh
Battery Details
Li-Po 3500 mAh, non-removable
Li-Ion 2900 mAh, non-removable
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
156.3 x 73.9 x 8.6 mm (6.15 x 2.91 x 0.34 in)
147.4 x 68.3 x 8.9 mm (5.80 x 2.69 x 0.35 in)
Weight
186 g
192 g
Materials
N/A
N/A
Colors
New Aurora Black, New Moroccan Blue
Black, White, Gold
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Nano-SIMNano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE
GSM / CDMA / HSPA / LTE
Network Speed
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
HSPA, LTE (2CA) Cat6 300/50 Mbps
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot
Bluetooth
5.0, A2DP, LE
4.1, A2DP
NFC
✓
✓
USB
microUSB 2.0, OTG
microUSB 2.0 (MHL 3 TV-out), OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS
GPS, GLONASS, BDS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 9.0 (Pie), upgradable to Android 10
Android 5.2 (Lollipop), nubia UI 3
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (rear-mounted), accelerometer, proximity
Fingerprint (Exclusive edition only; side-mounted), accelerometer, gyro, proximity, compass

