Screen size
Zenfone 4 Selfie ZB553KL5.5"
Zenfone 9Winner: 5.9"+6.8%
Quick verdict
Zenfone 9 leads the measured specs 17-5.
Measured wins
Zenfone 4 Selfie ZB553KL
5
spec wins
Ties
1
equal specs
Zenfone 9
17
spec wins
Overall winner
Screen size
Technology
Zenfone 4 Selfie ZB553KL
GSM / HSPA / LTE
Zenfone 9
GSM / HSPA / LTE / 5G
2G bands
Zenfone 4 Selfie ZB553KL
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Zenfone 9
GSM 850 / 900 / 1800 / 1900
3G bands
Zenfone 4 Selfie ZB553KL
HSDPA 850 / 900 / 2100
Zenfone 9
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
Zenfone 4 Selfie ZB553KL
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
5G support
NFC
3.5mm jack
equal specsSD card
Stereo speakers
Zenfone 9
1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42 - A version, 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42 - B version, 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 30, 34, 38, 39, 40, 41, 42, 66, 71 - C version
Speed
Zenfone 4 Selfie ZB553KL
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Zenfone 9
HSPA 42.2/5.76 Mbps, LTE (5CA) Cat20 2000/211 Mbps, 5G 4.5/0.9 Gbps
5G bands
Zenfone 4 Selfie ZB553KL
-
Zenfone 9
1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 77, 78 - A version, 1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 41, 77, 78 - B version, 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 71, 77, 78 - C version
Announced
Zenfone 4 Selfie ZB553KL
2017, September. Released 2017, November
Zenfone 9
2022, July 28
Status
Zenfone 4 Selfie ZB553KL
Discontinued
Zenfone 9
Available. Released 2022, September 15
Dimensions
Zenfone 4 Selfie ZB553KL
155.7 x 75.9 x 7.9 mm (6.13 x 2.99 x 0.31 in)
Zenfone 9
146.5 x 68.1 x 9.1 mm (5.77 x 2.68 x 0.36 in)
Weight
Zenfone 4 Selfie ZB553KL
144 g (5.08 oz)
Zenfone 9
169 g (5.96 oz)
SIM
Zenfone 4 Selfie ZB553KL
Nano-SIM + Nano-SIM
Zenfone 9
Nano-SIM + Nano-SIM
Build
Zenfone 4 Selfie ZB553KL
-
Zenfone 9
Glass front (Gorilla Glass Victus), plastic back, aluminum frame
Other
Zenfone 4 Selfie ZB553KL
-
Zenfone 9
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
Type
Zenfone 4 Selfie ZB553KL
IPS LCD
Zenfone 9
Super AMOLED, 120Hz, HDR10+, 1100 nits (peak)
Size
Zenfone 4 Selfie ZB553KL
5.5 inches, 83.4 cm2 (~70.6% screen-to-body ratio)
Zenfone 9
5.9 inches, 84.4 cm2 (~84.6% screen-to-body ratio)
Resolution
Zenfone 4 Selfie ZB553KL
720 x 1280 pixels, 16:9 ratio (~267 ppi density)
Zenfone 9
1080 x 2400 pixels, 20:9 ratio (~445 ppi density)
Protection
Zenfone 4 Selfie ZB553KL
-
Zenfone 9
Corning Gorilla Glass Victus
OS
Zenfone 4 Selfie ZB553KL
Android 7.0 (Nougat), upgradable to Android 8.1 (Oreo), ZenUI 5
Zenfone 9
Android 12, upgradable to Android 14
Chipset
Zenfone 4 Selfie ZB553KL
Qualcomm MSM8937 Snapdragon 430 (28 nm)
Zenfone 9
Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm)
CPU
Zenfone 4 Selfie ZB553KL
Octa-core 1.4 GHz Cortex-A53
Zenfone 9
Octa-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510)
GPU
Zenfone 4 Selfie ZB553KL
Adreno 505
Zenfone 9
Adreno 730
Card slot
Zenfone 4 Selfie ZB553KL
microSDXC (dedicated slot)
Zenfone 9
No
Internal
Zenfone 4 Selfie ZB553KL
32GB 3GB RAM
Zenfone 9
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 16GB RAM
Other
Zenfone 4 Selfie ZB553KL
eMMC 5.1
Zenfone 9
UFS 3.1
Single
Zenfone 4 Selfie ZB553KL
13 MP, PDAF
Zenfone 9
-
Features
Zenfone 4 Selfie ZB553KL
LED flash, panorama, HDR
Zenfone 9
LED flash, HDR, panorama
Video
Zenfone 4 Selfie ZB553KL
1080p@30fps
Zenfone 9
8K@24fps, 4K@30/60/120fps, 1080p@30/60/240fps; gyro-EIS, HDR
Dual
Zenfone 4 Selfie ZB553KL
-
Zenfone 9
50 MP, f/1.9, 24mm (wide), 1/1.56", 1.0µm, multi-directional PDAF, gimbal OIS 12 MP, f/2.2, 14mm, 113° (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF
Single
Zenfone 4 Selfie ZB553KL
13 MP, f/2.0
Zenfone 9
12 MP, f/2.5, 28mm (standard), 1/2.93", 1.22µm, dual pixel PDAF
Features
Zenfone 4 Selfie ZB553KL
LED flash
Zenfone 9
-
Video
Zenfone 4 Selfie ZB553KL
Zenfone 9
4K@30fps, 1080p@30/60fps
Loudspeaker
Zenfone 4 Selfie ZB553KL
Yes
Zenfone 9
Yes, with stereo speakers
3.5mm jack
Zenfone 4 Selfie ZB553KL
Yes
Zenfone 9
Yes
Other
Zenfone 4 Selfie ZB553KL
-
Zenfone 9
24-bit/192kHz Hi-Res audio Snapdragon Sound
WLAN
Zenfone 4 Selfie ZB553KL
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Zenfone 9
Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct
Bluetooth
Zenfone 4 Selfie ZB553KL
4.1, A2DP, EDR, LE
Zenfone 9
5.2, A2DP, LE, aptX HD, aptX Adaptive, aptX Lossless
Positioning
Zenfone 4 Selfie ZB553KL
GPS, GLONASS, BDS
Zenfone 9
GPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)
NFC
Zenfone 4 Selfie ZB553KL
No
Zenfone 9
Yes
Radio
Zenfone 4 Selfie ZB553KL
FM radio
Zenfone 9
No
USB
Zenfone 4 Selfie ZB553KL
microUSB 2.0, OTG
Zenfone 9
USB Type-C, OTG
Sensors
Zenfone 4 Selfie ZB553KL
Fingerprint (front-mounted), accelerometer, gyro, proximity, compass
Zenfone 9
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Type
Zenfone 4 Selfie ZB553KL
Li-Ion 3000 mAh, non-removable
Zenfone 9
Li-Po 4300 mAh
Charging
Zenfone 4 Selfie ZB553KL
-
Zenfone 9
30W wired, PD3.0, PPS, QC4 5W reverse wired
Colors
Zenfone 4 Selfie ZB553KL
Deepsea Black, Rose Pink, Sunlight Gold
Zenfone 9
Starry Blue, Moonlight White, Sunset Red, Midnight Black
Models
Zenfone 4 Selfie ZB553KL
X00LDB
Zenfone 9
AI2202-1A006EU, AI2202, AI2202_B
Price
Zenfone 4 Selfie ZB553KL
About 150 EUR
Zenfone 9
£ 895.00 / € 560.12