Category Breakdown
LG K40
ZTE Blade V9
Performance
62.662.7
Camera
27.927.9
Display
56.570.1
Battery
24.225.4
Build
67.978.7
Connectivity
64.557.4
Audio
8.98.9
Overall
40.642.9
Summary
- The LG K40 features a plastic build with a glass front, while the ZTE Blade V9 has a more premium glass back and aluminum frame, making it slightly more robust.
- Both devices have a 5.7-inch display, but the Blade V9 offers a higher resolution of 1080 x 2160 pixels compared to the K40's 720 x 1440 pixels, resulting in a sharper image.
- In terms of performance, the Blade V9 is powered by a Snapdragon 450 chipset, which is generally more efficient than the Helio P22 in the K40.
- Both phones have a 16 MP rear camera, but the Blade V9's f/1.8 aperture allows for better low-light performance.
- The K40 has a 3000 mAh battery, while the Blade V9 has a slightly larger 3100 mAh battery and supports faster 10W charging.
- Both run on Android 8.1 with similar software experiences, but the Blade V9's additional RAM options may enhance multitasking capabilities.
Side-by-side Specification Comparison
LG K40
ZTE Blade V9
General
Release Date
2019
2018
Announced
2019
2018
Description
Also known as LG K12+, LG K12 Plus, LG X4 (2019)Versions: LMX420EMW
N/A
Display
Size
5.7"
5.7"
Type
IPS LCD
S-IPS LCD
Resolution
720 x 1440 pixels, 18:9 ratio (~282 ppi density)
1080 x 2160 pixels, 18:9 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 SDM450 Snapdragon 450 (14 nm)
CPU
Octa-core 2.0 GHz Cortex-A53
Octa-core 1.8 GHz Cortex-A53
GPU
PowerVR GE8320
Adreno 506
Memory
32GB 2GB RAM, 32GB 3GB RAM
32GB 3GB RAM, 32GB 4GB RAM, 64GB 4GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
microSDXC (uses shared SIM slot)
Camera
Main Camera
16 MP, f/2.0, 1/3.1", 1.0µm, PDAF
16 MP, f/1.8, 1.12µm, PDAF5 MP, f/2.4, (depth)
Main Camera Features
LED flash, panorama, HDR
Dual-LED dual-tone flash, panorama, HDR
Front Camera
8 MP, f/2.0
8 MP, f/2.0or13 MP
Front Camera Features
LED flash
LED flash
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
1080p@30fps
1080p@30fps
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
3000 mAh
3100 mAh
Battery Details
Li-Ion 3000 mAh, non-removable
Li-Ion 3100 mAh, non-removable
Charging Details
N/A
10W wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
153 x 71.9 x 8.3 mm (6.02 x 2.83 x 0.33 in)
151.4 x 70.6 x 7.5 mm (5.96 x 2.78 x 0.30 in)
Weight
144 g
140 g
Materials
Glass front, plastic back, plastic frame
Glass front, glass back, aluminum frame
Colors
Black, New Moroccan Blue, New Platinum Gray
Black, Gold, Blue, Grey
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Nano-SIMNano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
HSPA 42.2/5.76 Mbps, 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 b/g/n, Wi-Fi Direct
Bluetooth
5.0, A2DP, LE
4.2, A2DP, LE
NFC
✓
✓
USB
microUSB 2.0, OTG
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS
GPS, GLONASS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 8.1 (Oreo), LG UX 7
Android 8.1 (Oreo)
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (rear-mounted), accelerometer, proximity, compass
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass

