Screen size
Zenfone 3 ZE520KL5.2"
Zenfone 8Winner: 5.9"+12%
Quick verdict
Zenfone 8 leads the measured specs 18-3.
Measured wins
Zenfone 3 ZE520KL
3
spec wins
Ties
2
equal specs
Zenfone 8
18
spec wins
Overall winner
Screen size
Technology
Zenfone 3 ZE520KL
GSM / HSPA / LTE
Zenfone 8
GSM / HSPA / LTE / 5G
2G bands
Zenfone 3 ZE520KL
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Zenfone 8
GSM 850 / 900 / 1800 / 1900
3G bands
Zenfone 3 ZE520KL
HSDPA 850 / 900 / 1900 / 2100 / 800 - Taiwan, HSDPA 850 / 900 / 1900 / 2100 - Global, HSDPA 850 / 900 / 2100 - India, HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - Brazil
Zenfone 8
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
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 3 ZE520KL
1, 2, 3, 5, 7, 8, 18, 19, 26, 28, 38, 39, 40, 41 - Taiwan, 1, 3, 5, 8, 40 - India, 1, 2, 3, 4, 5, 7, 8, 17, 28 - Brazil
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 3 ZE520KL
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps (Global) or LTE (2CA) Cat6 300/50 Mbps (TW/HK/SG/PH)
Zenfone 8
HSPA 42.2/5.76 Mbps, LTE (5CA) Cat20 2000/150 Mbps, 5G
5G bands
Zenfone 3 ZE520KL
-
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 3 ZE520KL
2016, July. Released 2016, August
Zenfone 8
2021, May 12
Status
Zenfone 3 ZE520KL
Discontinued
Zenfone 8
Available. Released 2021, May 13
Dimensions
Zenfone 3 ZE520KL
146.9 x 74 x 7.7 mm (5.78 x 2.91 x 0.30 in)
Zenfone 8
148 x 68.5 x 8.9 mm (5.83 x 2.70 x 0.35 in)
Weight
Zenfone 3 ZE520KL
144 g (5.08 oz)
Zenfone 8
169 g (5.96 oz)
SIM
Zenfone 3 ZE520KL
Nano-SIM + Micro-SIM
Zenfone 8
Nano-SIM + Nano-SIM
Build
Zenfone 3 ZE520KL
-
Zenfone 8
Glass front (Gorilla Glass Victus), glass back (Gorilla Glass 3), aluminum frame
Other
Zenfone 3 ZE520KL
-
Zenfone 8
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
Type
Zenfone 3 ZE520KL
Super IPS+
Zenfone 8
Super AMOLED, 120Hz, HDR10+, 700 nits (HBM), 1100 nits (peak)
Size
Zenfone 3 ZE520KL
5.2 inches, 74.5 cm2 (~68.6% screen-to-body ratio)
Zenfone 8
5.9 inches, 84.0 cm2 (~82.9% screen-to-body ratio)
Resolution
Zenfone 3 ZE520KL
1080 x 1920 pixels, 16:9 ratio (~424 ppi density)
Zenfone 8
1080 x 2400 pixels, 20:9 ratio (~446 ppi density)
Protection
Zenfone 3 ZE520KL
Corning Gorilla Glass 3
Zenfone 8
Corning Gorilla Glass Victus
OS
Zenfone 3 ZE520KL
Android 6.1 (Marshmallow), upgradable to 8 (Oreo), ZenUI
Zenfone 8
Android 11, upgradable to Android 13
Chipset
Zenfone 3 ZE520KL
Qualcomm MSM8953 Snapdragon 625 (14 nm)
Zenfone 8
Qualcomm SM8350 Snapdragon 888 5G (5 nm)
CPU
Zenfone 3 ZE520KL
Octa-core 2.0 GHz Cortex-A53
Zenfone 8
Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)
GPU
Zenfone 3 ZE520KL
Adreno 506
Zenfone 8
Adreno 660
Card slot
Zenfone 3 ZE520KL
microSDXC (uses shared SIM slot)
Zenfone 8
No
Internal
Zenfone 3 ZE520KL
32GB 3GB RAM, 64GB 4GB RAM
Zenfone 8
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 256GB 16GB RAM
Other
Zenfone 3 ZE520KL
eMMC 5.1
Zenfone 8
UFS 3.1
Single
Zenfone 3 ZE520KL
16 MP, f/2.0, PDAF, 4-axis OIS
Zenfone 8
-
Features
Zenfone 3 ZE520KL
Laser AF, Dual-LED dual-tone flash, panorama, HDR
Zenfone 8
LED flash, HDR, panorama
Video
Zenfone 3 ZE520KL
4K@30fps, 1080p@60fps
Zenfone 8
8K@24fps, 4K@30/60/120fps, 1080p@30/60/240fps, 720p@480fps; gyro-EIS, HDR
Dual
Zenfone 3 ZE520KL
-
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
Single
Zenfone 3 ZE520KL
8 MP, f/2.0
Zenfone 8
12 MP, f/2.5, 28mm (standard), 1/2.93", 1.22µm, dual pixel PDAF
Video
Zenfone 3 ZE520KL
1080p@30fps
Zenfone 8
4K@30fps, 1080p@30/60fps
Loudspeaker
Zenfone 3 ZE520KL
Yes
Zenfone 8
Yes, with stereo speakers
3.5mm jack
Zenfone 3 ZE520KL
Yes
Zenfone 8
Yes
Other
Zenfone 3 ZE520KL
24-bit/192kHz audio
Zenfone 8
32-bit/384kHz Hi-Res audio
WLAN
Zenfone 3 ZE520KL
Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct
Zenfone 8
Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct
Bluetooth
Zenfone 3 ZE520KL
4.2, A2DP, EDR, LE
Zenfone 8
5.2, A2DP, LE, aptX HD, aptX Adaptive
Positioning
Zenfone 3 ZE520KL
GPS, GLONASS, BDS
Zenfone 8
GPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)
NFC
Zenfone 3 ZE520KL
No
Zenfone 8
Yes
Radio
Zenfone 3 ZE520KL
FM radio, RDS
Zenfone 8
FM radio (market/region dependent)
USB
Zenfone 3 ZE520KL
USB Type-C 2.0, OTG
Zenfone 8
USB Type-C 2.0, OTG
Sensors
Zenfone 3 ZE520KL
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Zenfone 8
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Type
Zenfone 3 ZE520KL
Li-Ion 2600 mAh, non-removable
Zenfone 8
Li-Po 4000 mAh
Charging
Zenfone 3 ZE520KL
-
Zenfone 8
30W wired, PD3.0, 60% in 25 min, 100% in 80 min Reverse wired
Colors
Zenfone 3 ZE520KL
Sapphire Black, Moonlight White, Shimmer Gold
Zenfone 8
Obsidian Black, Horizon Silver
Models
Zenfone 3 ZE520KL
Z017DB, Z017D, Z017DA, Z017DC, ZE520KL, ZA520KL
Zenfone 8
ZS590KS, ZS590KS-2A007EU, I006D
Price
Zenfone 3 ZE520KL
About 280 EUR
Zenfone 8
About 290 EUR