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Asus Zenfone 4 (ZE554KL 64GB/4GB) vs Asus Zenfone 9 (128GB/8GB)

Side by side comparison between Asus Zenfone 4 vs Asus Zenfone 9 phones, differences, pros, cons and full specifications. What's the better?

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Compare Asus Zenfone 9 X Asus Zenfone 4 (ZE554KL 64GB/4GB) 05Points
5.5"
IPS

1080x1920

12.2
MP

8mp

4GB
RAM

Octa-core

3300
mAh

(Non removable)

vs
23Points Asus Zenfone 9 (128GB/8GB) Compare Asus Zenfone 4 X
5.9"
AMOLED

1080x2400

50
MP

12mp

8GB
RAM

Octa-core

4300
mAh

(Non removable)

What's the better phone? Asus Zenfone 9 (128GB/8GB)

The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!

Zenfone 4 (ZE554KL 64GB/4GB)} 5 Advantages Asus Zenfone 4 (ZE554KL 64GB/4GB) vs Zenfone 9 (128GB/8GB)} 23 Advantages Asus Zenfone 9 (128GB/8GB)
+Until 256GB microSD, microSDXCAdvantage
More external storage for files using memory cards
vsNot supported
+165 grams (5.78 ounces)2%
Lighter
vs169 grams (5.92 ounces)
+7.5 millimeters (0.3 inches)21%
Thinner
vs9.1 millimeters (0.36 inches)
+f/1.8 (aperture)6%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
vsf/1.9 (aperture)
+FMAdvantage
The radio lets you listen to your songs and sports in general
vsNot supported
2.2GHz 64bit Octa-corevs+3.19GHz 64bit Octa-core (4nm)41%
More powerful processor, you can open your applications faster
4GB LPDDR4vs+8GB LPDDR5100%
More RAM memory. Typically more responsive and better for multitasking.
64GB (52GB available)vs+128GB (104GB available)100%
More internal storage for applications and files
TFT IPS LCDvs+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
1080x1920 pixelsvs+1080x2400 pixels25%
Higher resolution screen
401 PPIvs+446 PPI11%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
5.5"vs+5.9"7%
Larger screen
(dual camera) 12.2MP + 8MPvs+(dual camera) 50MP + 12MP2 times
Higher resolution main camera
1/2.55" inchesvs+1/1.56" inches63%
The larger sensor camera lets you take photos with better depth.
(front) 8MPvs+(front) 12MP50%
Higher resolution secondary camera to take pictures and selfies
4K UHD (3840x2160)vs+8K UHD (7680x4320)3 times
More image quality for recording videos with the primary camera
(front) Full HD (1920x1080)vs+(front) 4K UHD (3840x2160)3 times
More image quality for recording videos with the secondary camera
Android 7.1.1 Nougatvs+Android 13Advantage
Android 13 is newer and safer
4G LTE-Avs+5G SA/NSAAdvantage
The 5G SA/NSA network is newer and faster
(4G LTE-A) 300 Mbpsvs+(5G SA/NSA) 2000 Mbps6 times
Faster for surfing the internet and download files
Not supportedvs+Face unlockAdvantage
Sensors help you use the device
3300 mAhvs+4300 mAh30%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
10Wvs+30W2 times
More power (watts) to charge the battery faster. Sometimes, the charger that comes with the device doesn't have the same power supported by the device. Check before you buy it.
802.11 a/b/g/n/ac [wifi5]vs+802.11 a/b/g/n/ac/ax [wifi6E/6]Advantage
WiFi 802.11 a/b/g/n/ac/ax [wifi6E/6] is newer and faster
Not supportedvs+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
5.0 + A2DP/LEvs+5.2 + A2DP/LEAdvantage
Bluetooth 5.2 + A2DP/LE is newer and faster
Not supportedvs+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
Not supportedvs+IP68 certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example

22 Common items in both devices
Aluminum frame, glass front/back / Aluminum body, glass front, plastic back
16 million
LED flash
Only digital zoom
PDAF: phase detection autofocus
OIS (4-axis): Optical stabilization / OIS: Optical stabilization
HDR photo on both cameras / HDR photo/video on both cameras
+15 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differences Clear highlight

📱 Model features

Asus Zenfone 4 (ZE554KL 64GB/4GB)Asus Zenfone 9 (128GB/8GB)
ModelZenfone 4 (ZE554KL 64GB/4GB)Zenfone 9 (128GB/8GB)
Other model namesAsus Zenfone 4 (NFC not available) Snapdragon 630 (4GB RAM)Zenfone 9z AI2202-1A028BR, AI2202-1A006EU, 90AI00C3-M000X0
Country or region available(Latin America)(Global, International)BrazilIndiaIndonesia
(Latin America), (Global, International), Brazil, India, Indonesia
(Global, International)
(Global, International)
BrandAsusAsus
Release date10/1/20179/15/2022, Announced: 7/28/2022
Depth7.5 millimeters (0.3 inches)9.1 millimeters (0.36 inches)
Size (width x height)75.2 x 155.4 millimeters (2.96 x 6.12 in)68.1 x 146.5 millimeters (2.68 x 5.77 in)
Weight165 grams (5.78 ounces)169 grams (5.92 ounces)
Build, materialsAluminum frame, glass front/backAluminum body, glass front, plastic back
Protection against water and othersNot supportedIP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant

📲 Display

Asus Zenfone 4 (ZE554KL 64GB/4GB)Asus Zenfone 9 (128GB/8GB)
Display typeTFT IPS LCDSuper AMOLED
Screen size5.5" inches5.9" inches
Screen-to-body ratio~71.4% (screen-to-body ratio)~84.2% (screen-to-body ratio)
Display resolution1080x1920 pixels1080x2400 pixels (20:9)
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch 10-points
Pixel density (dot pitch)401 PPI446 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 3Gorilla Glass Victus
Refresh ratefeature not registered120Hz
Display featuresfeature not registered1100nits[peak]
HDR10+
Always-On Display

🤖 Operating System

Asus Zenfone 4 (ZE554KL 64GB/4GB)Asus Zenfone 9 (128GB/8GB)
System versionAndroid 7.1.1 NougatAndroid 12
Firmware updatefeature not registeredAndroid 13
User Interfacefeature not registeredZenUI 9

⚙️ Processor

Asus Zenfone 4 (ZE554KL 64GB/4GB)Asus Zenfone 9 (128GB/8GB)
Chipset64bit: Qualcomm Snapdragon 630 SDM630 (14nm)64bit: Qualcomm Snapdragon 8+ Gen 1 (SM8475) (4nm)
CPUOcta-core, 2 processors:
4x 2.2GHz ARM Cortex-A53 (Quad-core)
4x 1.8GHz ARM Cortex-A53 (Quad-core)
Octa-core, 3 processors:
1x 3.19GHz ARM Cortex-X2 (Single-core)
3x 2.75GHz ARM Cortex-A710 (Triple-core)
4x 2GHz ARM Cortex-A510 (Quad-core)
GPU graphical controllerQualcomm Adreno 508Qualcomm Adreno 730 (818MHz)
Performance (benchmark)feature not registeredAnTuTu: 1083028 (v9)
Geekbench: 4338 (v5.1)
GFXBench: 89fps (ES 3.1 onscreen)

💽 Memory and storage

Asus Zenfone 4 (ZE554KL 64GB/4GB)Asus Zenfone 9 (128GB/8GB)
RAM memory4GB LPDDR48GB LPDDR5
Internal storage64GB (52GB available)128GB (104GB available)
UFS 3.1
External storageUntil 256GB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)
Not supported

📶 Mobile networks

Asus Zenfone 4 (ZE554KL 64GB/4GB)Asus Zenfone 9 (128GB/8GB)
Dual-SIMDual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot)
Dual-SIM Standby - Call active on one sim card
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload300/50 Mbps2000/1024 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G, 5G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkBrazil version:
UMTS 800/850/900/1700/1900/2100
Global/India/Indonesia version:
UMTS 850/900/2100
UMTS 800/850/900/1700/1900/2100
Primary 4G networkLTE Cat6
Brazil version:
LTE (Bands 1,2,3,4,5,7,8,12,17,28)
Global/India/Indonesia version:
LTE (Bands 1,3,5,7,8,20)
TD-LTE (Bands 40)
LTE Cat20
VoLTE
A version:
LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28)
TD-LTE (34, 38, 39, 40, 41, 42)
B version:
LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28)
TD-LTE (34, 38, 39, 40, 41, 42)
C version:
LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 30, 66, 71)
TD-LTE (34, 38, 39, 40, 41, 42)
Primary 5G networkNot supportedA version:
SA/NSA (1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 77, 78)
B version:
SA/NSA (1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 41, 77, 78)
C version:
SA/NSA (1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 71, 77, 78)
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkNot supportedUMTS 800/850/900/1700/1900/2100
Secondary 4G networkNot supportedLTE Cat20
VoLTE
A version:
LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28)
TD-LTE (34, 38, 39, 40, 41, 42)
B version:
LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28)
TD-LTE (34, 38, 39, 40, 41, 42)
C version:
LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 30, 66, 71)
TD-LTE (34, 38, 39, 40, 41, 42)
Secondary data networkGPRS, EDGEGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA

📷 Camera

Asus Zenfone 4 (ZE554KL 64GB/4GB)Asus Zenfone 9 (128GB/8GB)
Back camera (main camera)(dual camera)
12.2 megapixels
8MP 12mm
(dual camera)
50 megapixels
12MP ultrawide f/2.214.4mm113°1/2.93"1.4µmAF
Main camera resolution4032x3024 pixels8160x6120 pixels
Video recording (primary)4K UHD (3840x2160) 30 fps8K UHD (7680x4320) 24 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)f/1.9 (aperture)
Focal length25mm lens24mm lens
Sensor size1/2.55" inches1/1.56" inches
Pixel size1.4µm pixel1µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationOIS (4-axis): Optical stabilizationOIS: Optical stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedSupported
HDRHDR photo on both camerasHDR photo/video on both cameras
Camera extrasfeature not registered4K@30/60/120fps
1080p@30/60/240fps
720p@480fps

📸 Front camera

Asus Zenfone 4 (ZE554KL 64GB/4GB)Asus Zenfone 9 (128GB/8GB)
Front camera (secondary)8 megapixels12 megapixels
Front camera resolution3264x2448 pixels4000x3000 pixels
Video recording (secondary)Full HD (1920x1080)4K UHD (3840x2160)
Front flashNot supportedNot supported
Focal aperturef/2.0 (aperture)f/2.5 (aperture)
Focal length24mm lens27mm lens
Sensor sizefeature not registered1/2.93" inches
Pixel sizefeature not registered1.22µm pixel

🔉 Sound and multimedia

Asus Zenfone 4 (ZE554KL 64GB/4GB)Asus Zenfone 9 (128GB/8GB)
LoudspeakerSupportedStereo sound
24-bit/192kHz
Active noise cancellation2 microphones or more2 microphones or more
RadioFMNot supported
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263MP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, OGG, eAAC+MP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Asus Zenfone 4 (ZE554KL 64GB/4GB)Asus Zenfone 9 (128GB/8GB)
USBUSB 2.0 Type-C reversible connectorUSB 2.0 Type-C, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputNot supportedUSB Type-C (reversible)
Bluetooth5.0 + A2DP/LE5.2 + A2DP/LE
WiFi802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
802.11 a/b/g/n/ac/ax [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO
WiFi Direct, hotspot
DLNANot supportedSupported
GPSA-GPS, GeoTagging, GLONASS, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC
NFCNot supportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

Asus Zenfone 4 (ZE554KL 64GB/4GB)Asus Zenfone 9 (128GB/8GB)
SensorsAccelerometer
Ambient light sensor
Compass
Fingerprint sensor
Gyroscope
Hall effect
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (side-mounted)
Gyroscope
Hall effect
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Asus Zenfone 4 (ZE554KL 64GB/4GB)Asus Zenfone 9 (128GB/8GB)
Battery typeLiPo: li-ion polymer (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity3300 mAh4300 mAh
Charger, watts10W (5V/2A) Wired charging30W Wired fast charging
5W Reverse charging by cable
Quick Charge 4
USB Power Delivery 3.0
Inductive / wireless chargingfeature not registeredNot supported
Talk time autonomy30 hours (1.3 days)feature not registered
Standby552 hours (23 days)feature not registered

➕ Other features

Asus Zenfone 4 (ZE554KL 64GB/4GB)Asus Zenfone 9 (128GB/8GB)
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder, Voice commands
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: Moonlight white, Mint green, Midnight black
• Asus ZenUI 4.0
• 2.5D glass screen
• Sony IMX362 back camera sensor
• Fast battery charging: 50% in 36min
• 24-bit/192kHz audio
• DTS surround sound
• VoLTE
• Colors: Black, Blue, Red, Silver

☢️ Radiation rate

Asus Zenfone 4 (ZE554KL 64GB/4GB)Asus Zenfone 9 (128GB/8GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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