Screen size
Zenfone 8Winner: 5.9"+6.8%
Zenfone Zoom ZX551ML5.5"
Quick verdict
Zenfone 8 leads the measured specs 19-1.
Measured wins
Zenfone 8
19
spec wins
Overall winner
Ties
3
equal specs
Zenfone Zoom ZX551ML
1
spec wins
Screen size
Technology
Zenfone 8
GSM / HSPA / LTE / 5G
Zenfone Zoom ZX551ML
GSM / HSPA / LTE
2G bands
Zenfone 8
GSM 850 / 900 / 1800 / 1900
Zenfone Zoom ZX551ML
GSM 850 / 900 / 1800 / 1900
3G bands
Zenfone 8
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
Zenfone Zoom ZX551ML
HSDPA 850 / 900 / 1900 / 2100
4G bands
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
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
equal specs3.5mm jack
equal specsSD card
Stereo speakers
Zenfone Zoom ZX551ML
1, 2, 3, 5, 7, 8, 9, 18, 19, 28
5G bands
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
Zenfone Zoom ZX551ML
-
Speed
Zenfone 8
HSPA 42.2/5.76 Mbps, LTE (5CA) Cat20 2000/150 Mbps, 5G
Zenfone Zoom ZX551ML
HSPA 42.2/5.76 Mbps, LTE Cat4+ 250/50 Mbps
Announced
Zenfone 8
2021, May 12
Zenfone Zoom ZX551ML
2015, September. Released 2015, December
Status
Zenfone 8
Available. Released 2021, May 13
Zenfone Zoom ZX551ML
Discontinued
Dimensions
Zenfone 8
148 x 68.5 x 8.9 mm (5.83 x 2.70 x 0.35 in)
Zenfone Zoom ZX551ML
158.9 x 78.8 x 12 mm (6.26 x 3.10 x 0.47 in)
Weight
Zenfone 8
169 g (5.96 oz)
Zenfone Zoom ZX551ML
185 g (6.53 oz)
Build
Zenfone 8
Glass front (Gorilla Glass Victus), glass back (Gorilla Glass 3), aluminum frame
Zenfone Zoom ZX551ML
-
SIM
Zenfone 8
Nano-SIM + Nano-SIM
Zenfone Zoom ZX551ML
Micro-SIM
Other
Zenfone 8
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
Zenfone Zoom ZX551ML
-
Type
Zenfone 8
Super AMOLED, 120Hz, HDR10+, 700 nits (HBM), 1100 nits (peak)
Zenfone Zoom ZX551ML
IPS LCD
Size
Zenfone 8
5.9 inches, 84.0 cm2 (~82.9% screen-to-body ratio)
Zenfone Zoom ZX551ML
5.5 inches, 83.4 cm2 (~66.6% screen-to-body ratio)
Resolution
Zenfone 8
1080 x 2400 pixels, 20:9 ratio (~446 ppi density)
Zenfone Zoom ZX551ML
1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Protection
Zenfone 8
Corning Gorilla Glass Victus
Zenfone Zoom ZX551ML
Corning Gorilla Glass 4
OS
Zenfone 8
Android 11, upgradable to Android 13
Zenfone Zoom ZX551ML
Android 5.0 (Lollipop), upgradable to 6.0 (Marshmallow), ZenUI
Chipset
Zenfone 8
Qualcomm SM8350 Snapdragon 888 5G (5 nm)
Zenfone Zoom ZX551ML
Intel Atom Z3590
CPU
Zenfone 8
Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)
Zenfone Zoom ZX551ML
Quad-core 2.5 GHz
GPU
Zenfone 8
Adreno 660
Zenfone Zoom ZX551ML
PowerVR G6430
Card slot
Zenfone 8
No
Zenfone Zoom ZX551ML
microSDXC (dedicated slot)
Internal
Zenfone 8
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 256GB 16GB RAM
Zenfone Zoom ZX551ML
32GB 4GB RAM, 64GB 4GB RAM, 128GB 4GB RAM
Other
Zenfone 8
UFS 3.1
Zenfone Zoom ZX551ML
-
Dual
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
Zenfone Zoom ZX551ML
-
Features
Zenfone 8
LED flash, HDR, panorama
Zenfone Zoom ZX551ML
Laser AF, Dual-LED dual-tone flash, panorama, HDR
Video
Zenfone 8
8K@24fps, 4K@30/60/120fps, 1080p@30/60/240fps, 720p@480fps; gyro-EIS, HDR
Zenfone Zoom ZX551ML
1080p@30fps
Single
Zenfone 8
-
Zenfone Zoom ZX551ML
13 MP, f/2.7-4.8, 28-84mm (periscope telephoto zoom), OIS, 3x optical zoom
Single
Zenfone 8
12 MP, f/2.5, 28mm (standard), 1/2.93", 1.22µm, dual pixel PDAF
Zenfone Zoom ZX551ML
5 MP, f/2.0
Video
Zenfone 8
4K@30fps, 1080p@30/60fps
Zenfone Zoom ZX551ML
Loudspeaker
Zenfone 8
Yes, with stereo speakers
Zenfone Zoom ZX551ML
Yes
3.5mm jack
Zenfone 8
Yes
Zenfone Zoom ZX551ML
Yes
Other
Zenfone 8
32-bit/384kHz Hi-Res audio
Zenfone Zoom ZX551ML
-
WLAN
Zenfone 8
Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct
Zenfone Zoom ZX551ML
Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot
Bluetooth
Zenfone 8
5.2, A2DP, LE, aptX HD, aptX Adaptive
Zenfone Zoom ZX551ML
4.0, A2DP, EDR
Positioning
Zenfone 8
GPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)
Zenfone Zoom ZX551ML
GPS, GLONASS, BDS
NFC
Zenfone 8
Yes
Zenfone Zoom ZX551ML
Yes
Radio
Zenfone 8
FM radio (market/region dependent)
Zenfone Zoom ZX551ML
No
USB
Zenfone 8
USB Type-C 2.0, OTG
Zenfone Zoom ZX551ML
microUSB 2.0, OTG
Sensors
Zenfone 8
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Zenfone Zoom ZX551ML
Accelerometer, gyro, proximity, compass
Type
Zenfone 8
Li-Po 4000 mAh
Zenfone Zoom ZX551ML
Li-Po 3000 mAh, non-removable
Charging
Zenfone 8
30W wired, PD3.0, 60% in 25 min, 100% in 80 min Reverse wired
Zenfone Zoom ZX551ML
18W wired, 60% in 40 min
Colors
Zenfone 8
Obsidian Black, Horizon Silver
Zenfone Zoom ZX551ML
Pure Black, Ceramic White
Models
Zenfone 8
ZS590KS, ZS590KS-2A007EU, I006D
Zenfone Zoom ZX551ML
Z00XS
Price
Zenfone 8
About 290 EUR
Zenfone Zoom ZX551ML
About 250 EUR