LG K42 vs Tecno Spark 40 Pro
Product
Price
149 USD
149 USD
Status
Available
Available
Brand
LG Mobiles
Tecno Mobiles
Model No
LG K42
KM6
Launch Date
2020, September 21
2025, September 16
Website
Technology
GSM / HSPA / LTE
GSM / HSPA / LTE
2G bands
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
LTE (unspecified)
1, 2, 3, 4, 5, 7, 8, 12, 20, 28, 38, 40, 41, 66
Speed
HSPA 42.2/5.76 Mbps, LTE
HSPA, LTE
Dimensions
165 x 76.7 x 8.4 mm (6.50 x 3.02 x 0.33 in)
163.7 x 75.9 x 6.7 mm (6.44 x 2.99 x 0.26 in)
Weight
182 g (6.42 oz)
SIM
Dual SIM (Nano-SIM, dual stand-by)
MIL-STD-810G compliant*
Nano-SIM + Nano-SIM
Colors
Gray
Ink Black, Moon Titanium, Lake Blue, Bamboo Green
Build
Glass front (Gorilla Glass 7i), plastic back, plastic frame
IP64 dust tight and water resistant (water splashes)
Drop resistant up to 1.5m
Type
IPS LCD
AMOLED, 1B colors, 144Hz, 1600 nits (HBM), 4500 nits (peak)
Size
6.6 inches, 105.2 cm2 (~83.1% screen-to-body ratio)
6.78 inches, 111.0 cm2 (~89.3% screen-to-body ratio)
Resolution
720 x 1600 pixels, 20:9 ratio (~266 ppi density)
1224 x 2720 pixels, 20:9 ratio (~440 ppi density)
OS
Android 10
Android 15, HIOS 15.1
Chipset
Mediatek MT6762 Helio P22 (12 nm)
Mediatek Helio G100 Ultimate (6 nm)
CPU
Octa-core 2.0 GHz Cortex-A53
Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
PowerVR GE8320
Mali-G57 MC2
RAM
3GB
8GB
Storage
64GB
128GB/56GB
Card Slot
microSDXC
microSDXC
Lens 1
13 MP, 27mm (wide), 1/3.1", 1.12µm, PDAF
50 MP, f/1.6, (wide), 1/2.8", 0.64µm, PDAF
Auxiliary lens
Lens 2
5 MP, f/2.2, 120˚ (ultrawide), 1/5.0", 1.12µm
Lens 3
2 MP, f/2.4, (macro)
Lens 4
2 MP, f/2.4, (depth)
Features
LED flash, panorama, HDR
Dual-LED flash, HDR
Video
1080p@30fps
1440p@30fps, 1080p@30fps
Lens 1
8 MP, (wide)
13 MP, f/2.2, (wide), 1/3.1", 1.12µm
Video
1080p@30fps
1080p@30fps
Features
Dual-LED flash
Capacity
Li-Po 4000 mAh, non-removable
5200 mAh
Charging
45W wired
10W reverse wired
Sensors
Fingerprint (side-mounted), accelerometer, proximity
Fingerprint (under display, optical), accelerometer, proximity, compass
Circle to Search
Loudspeaker
Yes
Yes, with stereo speakers
3.5mm jack
Yes
Yes
24-bit/192kHz Hi-Res & Hi-Res Wireless audio
WLAN
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
5.0, A2DP, LE
5.3, A2DP, LE
GPS
Yes, with A-GPS
Yes
NFC
No
Yes (market/region dependent)
Radio
No
FM radio
USB
USB Type-C 3.1
USB Type-C 2.0, OTG