Screen size
Zenfone 4 Selfie Pro ZD552KL5.5"
Zenfone 9Winner: 5.9"+6.8%
Quick verdict
Zenfone 9 leads the measured specs 17-4.
Measured wins
Zenfone 4 Selfie Pro ZD552KL
4
spec wins
Ties
2
equal specs
Zenfone 9
17
spec wins
Overall winner
Screen size
Technology
Zenfone 4 Selfie Pro ZD552KL
GSM / HSPA / LTE
Zenfone 9
GSM / HSPA / LTE / 5G
2G bands
Zenfone 4 Selfie Pro ZD552KL
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Zenfone 9
GSM 850 / 900 / 1800 / 1900
3G bands
Zenfone 4 Selfie Pro ZD552KL
HSDPA 850 / 900 / 2100 - Global, HSDPA 850 / 900 / 1900 / 2100 / 800 - TW/JP/HK, HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - US/BR
Zenfone 9
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
equal specsBattery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
NFC
3.5mm jack
equal specsSD card
Stereo speakers
Zenfone 4 Selfie Pro ZD552KL
1, 3, 5, 7, 8, 20, 40 - Global, 1, 3, 5, 7, 8, 18, 19, 26, 28, 38, 41 - TW/JP/HK, 1, 2, 3, 4, 5, 7, 8, 12, 17, 28 - US/BR
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 Pro ZD552KL
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 MbpsLTE (2CA) Cat6 300/50 Mbps - TW/JP/HK
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 Pro ZD552KL
-
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 Pro ZD552KL
2017, August. Released 2017, October
Zenfone 9
2022, July 28
Status
Zenfone 4 Selfie Pro ZD552KL
Discontinued
Zenfone 9
Available. Released 2022, September 15
Dimensions
Zenfone 4 Selfie Pro ZD552KL
154 x 74.8 x 6.9 mm (6.06 x 2.94 x 0.27 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 Pro ZD552KL
147 g (5.19 oz)
Zenfone 9
169 g (5.96 oz)
SIM
Zenfone 4 Selfie Pro ZD552KL
Nano-SIM + Nano-SIM
Zenfone 9
Nano-SIM + Nano-SIM
Build
Zenfone 4 Selfie Pro ZD552KL
-
Zenfone 9
Glass front (Gorilla Glass Victus), plastic back, aluminum frame
Other
Zenfone 4 Selfie Pro ZD552KL
-
Zenfone 9
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
Type
Zenfone 4 Selfie Pro ZD552KL
AMOLED
Zenfone 9
Super AMOLED, 120Hz, HDR10+, 1100 nits (peak)
Size
Zenfone 4 Selfie Pro ZD552KL
5.5 inches, 83.4 cm2 (~72.4% screen-to-body ratio)
Zenfone 9
5.9 inches, 84.4 cm2 (~84.6% screen-to-body ratio)
Resolution
Zenfone 4 Selfie Pro ZD552KL
1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Zenfone 9
1080 x 2400 pixels, 20:9 ratio (~445 ppi density)
Protection
Zenfone 4 Selfie Pro ZD552KL
Corning Gorilla Glass 5
Zenfone 9
Corning Gorilla Glass Victus
OS
Zenfone 4 Selfie Pro ZD552KL
Android 7 (Nougat), ZenUI 4
Zenfone 9
Android 12, upgradable to Android 14
Chipset
Zenfone 4 Selfie Pro ZD552KL
Qualcomm MSM8953 Snapdragon 625 (14 nm)
Zenfone 9
Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm)
CPU
Zenfone 4 Selfie Pro ZD552KL
Octa-core 2.0 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 Pro ZD552KL
Adreno 506
Zenfone 9
Adreno 730
Card slot
Zenfone 4 Selfie Pro ZD552KL
microSDXC (uses shared SIM slot)
Zenfone 9
No
Internal
Zenfone 4 Selfie Pro ZD552KL
64GB 3GB RAM, 64GB 4GB RAM
Zenfone 9
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 16GB RAM
Other
Zenfone 4 Selfie Pro ZD552KL
eMMC 5.1
Zenfone 9
UFS 3.1
Single
Zenfone 4 Selfie Pro ZD552KL
16 MP, 26mm (wide), dual pixel PDAF
Zenfone 9
-
Features
Zenfone 4 Selfie Pro ZD552KL
Dual-LED dual-tone flash, HDR, panorama
Zenfone 9
LED flash, HDR, panorama
Video
Zenfone 4 Selfie Pro ZD552KL
4K@30fps, 1080p@30/60fps, 720p@120fps
Zenfone 9
8K@24fps, 4K@30/60/120fps, 1080p@30/60/240fps; gyro-EIS, HDR
Dual
Zenfone 4 Selfie Pro ZD552KL
-
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
Dual
Zenfone 4 Selfie Pro ZD552KL
12 MP, f/1.8, 25mm (wide), 1/2.55", 1.4µm 8 MP, 12mm
Zenfone 9
-
Features
Zenfone 4 Selfie Pro ZD552KL
LED flash, panorama, HDR
Zenfone 9
-
Video
Zenfone 4 Selfie Pro ZD552KL
4K@30fps
Zenfone 9
4K@30fps, 1080p@30/60fps
Single
Zenfone 4 Selfie Pro ZD552KL
-
Zenfone 9
12 MP, f/2.5, 28mm (standard), 1/2.93", 1.22µm, dual pixel PDAF
Loudspeaker
Zenfone 4 Selfie Pro ZD552KL
Yes
Zenfone 9
Yes, with stereo speakers
3.5mm jack
Zenfone 4 Selfie Pro ZD552KL
Yes
Zenfone 9
Yes
Other
Zenfone 4 Selfie Pro ZD552KL
24-bit/192kHz audio
Zenfone 9
24-bit/192kHz Hi-Res audio Snapdragon Sound
WLAN
Zenfone 4 Selfie Pro ZD552KL
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 Pro ZD552KL
4.2, A2DP, EDR, LE
Zenfone 9
5.2, A2DP, LE, aptX HD, aptX Adaptive, aptX Lossless
Positioning
Zenfone 4 Selfie Pro ZD552KL
GPS, GLONASS, BDS, GALILEO
Zenfone 9
GPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)
NFC
Zenfone 4 Selfie Pro ZD552KL
No
Zenfone 9
Yes
Radio
Zenfone 4 Selfie Pro ZD552KL
FM radio
Zenfone 9
No
USB
Zenfone 4 Selfie Pro ZD552KL
microUSB 2.0
Zenfone 9
USB Type-C, OTG
Sensors
Zenfone 4 Selfie Pro ZD552KL
Fingerprint (front-mounted), accelerometer, gyro, proximity, compass
Zenfone 9
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Type
Zenfone 4 Selfie Pro ZD552KL
Li-Ion 3000 mAh, non-removable
Zenfone 9
Li-Po 4300 mAh
Charging
Zenfone 4 Selfie Pro ZD552KL
18W wired
Zenfone 9
30W wired, PD3.0, PPS, QC4 5W reverse wired
Colors
Zenfone 4 Selfie Pro ZD552KL
Rouge Red, Sunlight Gold, Deepsea Black
Zenfone 9
Starry Blue, Moonlight White, Sunset Red, Midnight Black
Models
Zenfone 4 Selfie Pro ZD552KL
Z01MD, Z01MDA
Zenfone 9
AI2202-1A006EU, AI2202, AI2202_B
Price
Zenfone 4 Selfie Pro ZD552KL
About 250 EUR
Zenfone 9
£ 895.00 / € 560.12