Asus Zenfone 4 Max vs Tecno Spark 40 Pro
Product
Price
149 USD
149 USD
Status
Discontinued
Available
Brand
Asus Mobiles
Tecno Mobiles
Model No
Asus Zenfone 4 Max ZC520KL
KM6
Launch Date
2017, October 01
2025, September 16
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 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
1, 3, 5, 7, 8, 20, 40
1, 2, 3, 4, 5, 7, 8, 12, 20, 28, 38, 40, 41, 66
Speed
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
HSPA, LTE
Dimensions
150.5 x 73.3 x 8.8 mm (5.93 x 2.89 x 0.35 in)
163.7 x 75.9 x 6.7 mm (6.44 x 2.99 x 0.26 in)
Weight
156 g (5.50 oz)
SIM
Dual SIM (Micro-SIM/Nano-SIM, dual stand-by)
Nano-SIM + Nano-SIM
Colors
Black, Gold, Silver
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 capacitive touchscreen, 16M colors
AMOLED, 1B colors, 144Hz, 1600 nits (HBM), 4500 nits (peak)
Size
5.2 inches, 74.5 cm2 (~67.6% screen-to-body ratio)
6.78 inches, 111.0 cm2 (~89.3% screen-to-body ratio)
Resolution
720 x 1280 pixels, 16:9 ratio (~282 ppi density)
1224 x 2720 pixels, 20:9 ratio (~440 ppi density)
OS
Android 7 (Nougat), upgradable to Android 8 (Oreo), ZenUI 4
Android 15, HIOS 15.1
Chipset
Qualcomm MSM8917 Snapdragon 425 (28 nm)
Mediatek Helio G100 Ultimate (6 nm)
CPU
Quad-core 1.4 GHz Cortex-A53
Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
Adreno 308
Mali-G57 MC2
RAM
2GB/3GB/4GB
8GB
Storage
16GB/32GB
128GB/56GB
Card Slot
microSDXC (dedicated slot)
microSDXC
Lens 1
13 MP, AF
50 MP, f/1.6, (wide), 1/2.8", 0.64µm, PDAF
Auxiliary lens
Lens 2
5 MP, f/2.4, (depth)
Features
F2.0 aperture
25mm equivalent focal length in 35mm film camera
80° field of view
0.03 seconds phase detection auto-focus
LED flash
Instant cameras switching
PixelMaster camera modes:
Auto (with low light and HDR features)
Beauty
Pro
Super Resolution (52 megapixels)
GIF Animation
Panorama
Time Lapse (with power saving)
9 various filters
Dual-LED flash, HDR
Video
1080p FHD video recording at 30 fps
Electronic image stabilization for rear camera's shake-free videos
120˚ wide-angle video
Take still photo while recording video
1440p@30fps, 1080p@30fps
Lens 1
8 MP
13 MP, f/2.2, (wide), 1/3.1", 1.12µm
Features
24mm equivalent focal length in 35mm film camera
85° field of view
Softlight LED flash
PixelMaster camera modes:
Beauty
Auto (with HDR features)
Selfie Panorama
GIF Animation
Dual-LED flash
Video
1080p@30fps
1080p@30fps
Capacity
5000mAh capacity with fast charging - ASUS PowerMaster technology - 2x longer battery lifespan
5200 mAh
Charging
Power bank mode for 2x faster reverse charging (1A)
45W wired
10W reverse wired
Talk Time
Up to 40 hours 3G talk time - Up to 26 hours Wi-Fi web browsing
Sensors
Front fingerprint sensor (0.3 seconds unlock, supports 5 fingerprints), Accelerator, E-Compass, Gyroscope, Proximity sensor, Ambient light sensor
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
4.1, A2DP, LE
5.3, A2DP, LE
GPS
Yes, with A-GPS, GLONASS
Yes
Radio
microUSB 2.0, USB On-The-Go
FM radio
NFC
Yes (market/region dependent)
USB
USB Type-C 2.0, OTG

