Screen size
Zenfone 4 Max ZC520KL5.2"
Zenfone 8 FlipWinner: 6.7"+22%
Quick verdict
Zenfone 8 Flip leads the measured specs 16-4.
Measured wins
Zenfone 4 Max ZC520KL
4
spec wins
Ties
2
equal specs
Zenfone 8 Flip
16
spec wins
Overall winner
Screen size
Technology
Zenfone 4 Max ZC520KL
GSM / HSPA / LTE
Zenfone 8 Flip
GSM / HSPA / LTE / 5G
2G bands
Zenfone 4 Max ZC520KL
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Zenfone 8 Flip
GSM 850 / 900 / 1800 / 1900
3G bands
Zenfone 4 Max ZC520KL
HSDPA 850 / 900 / 2100
Zenfone 8 Flip
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
SD card
equal specsStereo speakers
Zenfone 8 Flip
1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42
Speed
Zenfone 4 Max ZC520KL
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Zenfone 8 Flip
HSPA 42.2/5.76 Mbps, LTE (6CA) Cat20 2000/150 Mbps, 5G
5G bands
Zenfone 4 Max ZC520KL
-
Zenfone 8 Flip
1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 77, 78, 77, 78 SA/NSA
Announced
Zenfone 4 Max ZC520KL
2017, August. Released 2017, October
Zenfone 8 Flip
2021, May 12
Status
Zenfone 4 Max ZC520KL
Discontinued
Zenfone 8 Flip
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 Flip
165 x 77.3 x 9.6 mm (6.50 x 3.04 x 0.38 in)
Weight
Zenfone 4 Max ZC520KL
156 g (5.50 oz)
Zenfone 8 Flip
230 g (8.11 oz)
SIM
Zenfone 4 Max ZC520KL
Nano-SIM + Micro-SIM
Zenfone 8 Flip
Nano-SIM + Nano-SIM
Build
Zenfone 4 Max ZC520KL
-
Zenfone 8 Flip
Glass front (Gorilla Glass 6), glass back (Gorilla Glass 3), aluminum frame
Type
Zenfone 4 Max ZC520KL
IPS LCD
Zenfone 8 Flip
Super AMOLED, 90Hz, HDR10+, 700 nits (HBM), 1000 nits (peak)
Size
Zenfone 4 Max ZC520KL
5.2 inches, 74.5 cm2 (~67.6% screen-to-body ratio)
Zenfone 8 Flip
6.67 inches, 107.4 cm2 (~84.2% screen-to-body ratio)
Resolution
Zenfone 4 Max ZC520KL
720 x 1280 pixels, 16:9 ratio (~282 ppi density)
Zenfone 8 Flip
1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
Protection
Zenfone 4 Max ZC520KL
-
Zenfone 8 Flip
Corning Gorilla Glass 6
OS
Zenfone 4 Max ZC520KL
Android 7 (Nougat), upgradable to Android 8 (Oreo), ZenUI 4
Zenfone 8 Flip
Android 11, upgradable to Android 13
Chipset
Zenfone 4 Max ZC520KL
Qualcomm MSM8917 Snapdragon 425 (28 nm)
Zenfone 8 Flip
Qualcomm SM8350 Snapdragon 888 5G (5 nm)
CPU
Zenfone 4 Max ZC520KL
Quad-core 1.4 GHz Cortex-A53
Zenfone 8 Flip
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 Flip
Adreno 660
Card slot
Zenfone 4 Max ZC520KL
microSDXC (dedicated slot)
Zenfone 8 Flip
microSDXC (dedicated slot)
Internal
Zenfone 4 Max ZC520KL
16GB 2GB RAM, 32GB 3GB RAM
Zenfone 8 Flip
128GB 8GB RAM, 256GB 8GB RAM
Other
Zenfone 4 Max ZC520KL
eMMC 5.1
Zenfone 8 Flip
UFS 3.1
Dual
Zenfone 4 Max ZC520KL
13 MP, AF Auxiliary lens
Zenfone 8 Flip
-
Features
Zenfone 4 Max ZC520KL
LED flash, HDR, panorama
Zenfone 8 Flip
Dual-LED flash, HDR, auto panorama (motorized rotation)
Video
Zenfone 4 Max ZC520KL
1080p@30fps
Zenfone 8 Flip
8K@30fps, 4K@30/60/120fps, 1080p@30/60/240fps, 720p@480fps; gyro-EIS, HDR
Triple
Zenfone 4 Max ZC520KL
-
Zenfone 8 Flip
64 MP, f/1.8, 26mm (wide), 1/1.73", 0.8µm, PDAF 8 MP, f/2.4, 80mm (telephoto), PDAF, 3x optical zoom 12 MP, f/2.2, 112˚, 14mm (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF
Single
Zenfone 4 Max ZC520KL
8 MP
Zenfone 8 Flip
-
Features
Zenfone 4 Max ZC520KL
LED flash
Zenfone 8 Flip
Dual-LED flash, HDR, auto panorama (motorized rotation)
Video
Zenfone 4 Max ZC520KL
1080p@30fps
Zenfone 8 Flip
8K@30fps, 4K@30/60/120fps, 1080p@30/60/240fps, 720p@480fps; gyro-EIS, HDR
Triple
Zenfone 4 Max ZC520KL
-
Zenfone 8 Flip
Motorized flip-up main camera module
Loudspeaker
Zenfone 4 Max ZC520KL
Yes
Zenfone 8 Flip
Yes, with stereo speakers
3.5mm jack
Zenfone 4 Max ZC520KL
Yes
Zenfone 8 Flip
No
Other
Zenfone 4 Max ZC520KL
-
Zenfone 8 Flip
24-bit/192kHz Hi-Res audio
WLAN
Zenfone 4 Max ZC520KL
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Zenfone 8 Flip
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 Flip
5.2, A2DP, LE, aptX HD, aptX Adaptive
Positioning
Zenfone 4 Max ZC520KL
GPS, GLONASS
Zenfone 8 Flip
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 Flip
Yes
Radio
Zenfone 4 Max ZC520KL
FM radio
Zenfone 8 Flip
No
USB
Zenfone 4 Max ZC520KL
microUSB 2.0, OTG
Zenfone 8 Flip
USB Type-C 2.0
Sensors
Zenfone 4 Max ZC520KL
Fingerprint (front-mounted), accelerometer, gyro, proximity, compass
Zenfone 8 Flip
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Type
Zenfone 4 Max ZC520KL
Li-Po 4100 mAh, non-removable
Zenfone 8 Flip
Li-Po 5000 mAh
Charging
Zenfone 4 Max ZC520KL
Reverse wired
Zenfone 8 Flip
30W wired, PD3.0
Colors
Zenfone 4 Max ZC520KL
Black, Gold, Silver
Zenfone 8 Flip
Galactic Black, Glacier Silver
Models
Zenfone 4 Max ZC520KL
X00HD
Zenfone 8 Flip
ZS672KS, I004D
Price
Zenfone 4 Max ZC520KL
About 180 EUR
Zenfone 8 Flip
About 380 EUR