Screen size
Zenfone 4 Max ZC520KL5.2"
Zenfone 8Winner: 5.9"+12%
Quick verdict
Zenfone 8 leads the measured specs 17-4.
Measured wins
Zenfone 4 Max ZC520KL
4
spec wins
Ties
2
equal specs
Zenfone 8
17
spec wins
Overall winner
Screen size
Technology
Zenfone 4 Max ZC520KL
GSM / HSPA / LTE
Zenfone 8
GSM / HSPA / LTE / 5G
2G bands
Zenfone 4 Max ZC520KL
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Zenfone 8
GSM 850 / 900 / 1800 / 1900
3G bands
Zenfone 4 Max ZC520KL
HSDPA 850 / 900 / 2100
Zenfone 8
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
Zenfone 4 Max ZC520KL
1, 3, 5, 7, 8, 20, 40
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
NFC
3.5mm jack
equal specsSD card
Stereo speakers
Zenfone 8
1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42 - International, 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 30, 34, 38, 39, 40, 41, 42, 66, 71 - USA
Speed
Zenfone 4 Max ZC520KL
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Zenfone 8
HSPA 42.2/5.76 Mbps, LTE (5CA) Cat20 2000/150 Mbps, 5G
5G bands
Zenfone 4 Max ZC520KL
-
Zenfone 8
1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 77, 78 SA/NSA - International, 1, 2, 3, 5, 7, 8, 12, 20, 25, 38, 40, 66, 71, 77, 78 SA/NSA - USA
Announced
Zenfone 4 Max ZC520KL
2017, August. Released 2017, October
Zenfone 8
2021, May 12
Status
Zenfone 4 Max ZC520KL
Discontinued
Zenfone 8
Available. Released 2021, May 13
Dimensions
Zenfone 4 Max ZC520KL
150.5 x 73.3 x 8.8 mm (5.93 x 2.89 x 0.35 in)
Zenfone 8
148 x 68.5 x 8.9 mm (5.83 x 2.70 x 0.35 in)
Weight
Zenfone 4 Max ZC520KL
156 g (5.50 oz)
Zenfone 8
169 g (5.96 oz)
SIM
Zenfone 4 Max ZC520KL
Nano-SIM + Micro-SIM
Zenfone 8
Nano-SIM + Nano-SIM
Build
Zenfone 4 Max ZC520KL
-
Zenfone 8
Glass front (Gorilla Glass Victus), glass back (Gorilla Glass 3), aluminum frame
Other
Zenfone 4 Max ZC520KL
-
Zenfone 8
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
Type
Zenfone 4 Max ZC520KL
IPS LCD
Zenfone 8
Super AMOLED, 120Hz, HDR10+, 700 nits (HBM), 1100 nits (peak)
Size
Zenfone 4 Max ZC520KL
5.2 inches, 74.5 cm2 (~67.6% screen-to-body ratio)
Zenfone 8
5.9 inches, 84.0 cm2 (~82.9% screen-to-body ratio)
Resolution
Zenfone 4 Max ZC520KL
720 x 1280 pixels, 16:9 ratio (~282 ppi density)
Zenfone 8
1080 x 2400 pixels, 20:9 ratio (~446 ppi density)
Protection
Zenfone 4 Max ZC520KL
-
Zenfone 8
Corning Gorilla Glass Victus
OS
Zenfone 4 Max ZC520KL
Android 7 (Nougat), upgradable to Android 8 (Oreo), ZenUI 4
Zenfone 8
Android 11, upgradable to Android 13
Chipset
Zenfone 4 Max ZC520KL
Qualcomm MSM8917 Snapdragon 425 (28 nm)
Zenfone 8
Qualcomm SM8350 Snapdragon 888 5G (5 nm)
CPU
Zenfone 4 Max ZC520KL
Quad-core 1.4 GHz Cortex-A53
Zenfone 8
Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)
GPU
Zenfone 4 Max ZC520KL
Adreno 308
Zenfone 8
Adreno 660
Card slot
Zenfone 4 Max ZC520KL
microSDXC (dedicated slot)
Zenfone 8
No
Internal
Zenfone 4 Max ZC520KL
16GB 2GB RAM, 32GB 3GB RAM
Zenfone 8
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 256GB 16GB RAM
Other
Zenfone 4 Max ZC520KL
eMMC 5.1
Zenfone 8
UFS 3.1
Dual
Zenfone 4 Max ZC520KL
13 MP, AF Auxiliary lens
Zenfone 8
64 MP, f/1.8, 26mm (wide), 1/1.73", 0.8µm, PDAF, OIS 12 MP, f/2.2, 112˚, 14mm (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF
Features
Zenfone 4 Max ZC520KL
LED flash, HDR, panorama
Zenfone 8
LED flash, HDR, panorama
Video
Zenfone 4 Max ZC520KL
1080p@30fps
Zenfone 8
8K@24fps, 4K@30/60/120fps, 1080p@30/60/240fps, 720p@480fps; gyro-EIS, HDR
Single
Zenfone 4 Max ZC520KL
8 MP
Zenfone 8
12 MP, f/2.5, 28mm (standard), 1/2.93", 1.22µm, dual pixel PDAF
Features
Zenfone 4 Max ZC520KL
LED flash
Zenfone 8
-
Video
Zenfone 4 Max ZC520KL
1080p@30fps
Zenfone 8
4K@30fps, 1080p@30/60fps
Loudspeaker
Zenfone 4 Max ZC520KL
Yes
Zenfone 8
Yes, with stereo speakers
3.5mm jack
Zenfone 4 Max ZC520KL
Yes
Zenfone 8
Yes
Other
Zenfone 4 Max ZC520KL
-
Zenfone 8
32-bit/384kHz Hi-Res audio
WLAN
Zenfone 4 Max ZC520KL
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Zenfone 8
Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct
Bluetooth
Zenfone 4 Max ZC520KL
4.1, A2DP, LE
Zenfone 8
5.2, A2DP, LE, aptX HD, aptX Adaptive
Positioning
Zenfone 4 Max ZC520KL
GPS, GLONASS
Zenfone 8
GPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)
NFC
Zenfone 4 Max ZC520KL
No
Zenfone 8
Yes
Radio
Zenfone 4 Max ZC520KL
FM radio
Zenfone 8
FM radio (market/region dependent)
USB
Zenfone 4 Max ZC520KL
microUSB 2.0, OTG
Zenfone 8
USB Type-C 2.0, OTG
Sensors
Zenfone 4 Max ZC520KL
Fingerprint (front-mounted), accelerometer, gyro, proximity, compass
Zenfone 8
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Type
Zenfone 4 Max ZC520KL
Li-Po 4100 mAh, non-removable
Zenfone 8
Li-Po 4000 mAh
Charging
Zenfone 4 Max ZC520KL
Reverse wired
Zenfone 8
30W wired, PD3.0, 60% in 25 min, 100% in 80 min Reverse wired
Colors
Zenfone 4 Max ZC520KL
Black, Gold, Silver
Zenfone 8
Obsidian Black, Horizon Silver
Models
Zenfone 4 Max ZC520KL
X00HD
Zenfone 8
ZS590KS, ZS590KS-2A007EU, I006D
Price
Zenfone 4 Max ZC520KL
About 180 EUR
Zenfone 8
About 290 EUR