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OnePlus 9 Pro (256GB/12GB) vs Asus Zenfone 3 Max (5.5 ZC553KL 2GB RAM)

Side by side comparison between OnePlus 9 Pro vs Asus Zenfone 3 Max phones, differences, pros, cons and full specifications. What's the better?

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Compare Asus Zenfone 3 Max X OnePlus 9 Pro (256GB/12GB) 28Points
6.7"
AMOLED

1440x3216

48
MP

16mp

12GB
RAM

Octa-core

4500
mAh

(Non removable)

vs
05Points Asus Zenfone 3 Max (5.5 ZC553KL 2GB RAM) Compare OnePlus 9 Pro X
5.5"
IPS

1080x1920

16
MP

8mp

2GB
RAM

Octa-core

4100
mAh

(Non removable)

What's the better phone? OnePlus 9 Pro (256GB/12GB)

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!

9 Pro (256GB/12GB)} 28 Advantages OnePlus 9 Pro (256GB/12GB) vs Zenfone 3 Max (5.5 ZC553KL 2GB RAM)} 5 Advantages Asus Zenfone 3 Max (5.5 ZC553KL 2GB RAM)
+2.84GHz 64bit Octa-core (5nm)99%
More powerful processor, you can open your applications faster
vs1.4GHz 64bit Octa-core
+12GB LPDDR55 times
More RAM memory. Typically more responsive and better for multitasking.
vs2GB LPDDR3
+256GB (220GB available)8 times
More internal storage for applications and files
vs32GB (24GB available)
+Fluid AMOLEDAdvantage
Fluid AMOLED display is brighter and more vivid
vsTFT IPS LCD
+1 billion62 times
More colors on the screen is better quality images and videos
vs16 million
+1440x3216 pixels123%
Higher resolution screen
vs1080x1920 pixels
+526 PPI31%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs401 PPI
+6.7"22%
Larger screen
vs5.5"
+(quad camera) 48MP + 8MP + 50MP + 2MP6 times
Higher resolution main camera
vs(back) 16MP
+OIS: Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
vsEIS: Digital stabilization
+1/1.43" inches110%
The larger sensor camera lets you take photos with better depth.
vs1/3" inches
+f/1.8 (aperture)11%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
vsf/2.0 (aperture)
+(front) 16MP99%
Higher resolution secondary camera to take pictures and selfies
vs(front) 8MP
+8K UHD (7680x4320)15 times
More image quality for recording videos with the primary camera
vsFull HD (1920x1080)
+(front) Full HD (1920x1080)125%
More image quality for recording videos with the secondary camera
vs(front) HD (1280x720)
+Android 13Advantage
Android 13 is newer and safer
vsAndroid 8.1 Oreo
+5G SA/NSAAdvantage
The 5G SA/NSA network is newer and faster
vs4G LTE
+(5G SA/NSA) 2000 Mbps12 times
Faster for surfing the internet and download files
vs(4G LTE) 150 Mbps
+Face unlockAdvantage
Sensors help you use the device
vsNot supported
+4500 mAh10%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs4100 mAh
+65W6 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.
vs10W
+802.11 a/b/g/n/ac/ax [wifi6]Advantage
WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster
vs802.11 b/g/n [wifi4]
+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
vsNot supported
+5.2 + A2DP/LEAdvantage
Bluetooth 5.2 + A2DP/LE is newer and faster
vs4.1 + A2DP
+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
vsNot supported
+USB 3.1 Type-C, USB OTG On-The-GoAdvantage
Newer and faster USB version for transferring photos, mp3 or data.
vsMicroUSB 2.0
+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
vsMicroUSB 2.0
+IP68 certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsNot supported
Not supportedvs+Until 256GB microSD, microSDXCAdvantage
More external storage for files using memory cards
197 grams (6.9 ounces)vs+175 grams (6.13 ounces)13%
Lighter
8.7 millimeters (0.34 inches)vs+8.3 millimeters (0.33 inches)5%
Thinner
Type-C reversible connectorvs+3.5mm jackAdvantage
Headsets with 3.5mm Jack size are more common and easy to find in stores
Not supportedvs+FM (RDS)Advantage
The radio lets you listen to your songs and sports in general

17 Common items in both devices
Dual-LED flash
Only digital zoom
LDAF/PDAF: laser/phase detection autofocus
HDR photo/video on both cameras / HDR photo on both cameras
Capacitive
Multitouch
Accelerometer
+10 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

OnePlus 9 Pro (256GB/12GB)Asus Zenfone 3 Max (5.5 ZC553KL 2GB RAM)
ModelOnePlus 9 Pro (256GB/12GB)Zenfone 3 Max (5.5 ZC553KL 2GB RAM)
Other model namesOnePlus 9 Pro LE2123 (Global), LE2121 (India), LE2120(China)Asus Zenfone 3 Max ZC553KL 2GB/32GB 5.5" Dual-Sim
Country or region available(Global, International)
(Global, International)
(Global, International)Brazil(Europe)PhilippinesIndiaIndonesiaJapanTaiwan
(Global, International), Brazil, (Europe), Philippines, India, Indonesia, Japan, Taiwan
BrandOnePlusAsus
Release date3/30/2021, Announced: 3/23/20219/1/2016
Depth8.7 millimeters (0.34 inches)8.3 millimeters (0.33 inches)
Size (width x height)73.6 x 163.2 millimeters (2.9 x 6.43 in)76.24 x 151.4 millimeters (3 x 5.96 in)
Weight197 grams (6.9 ounces)175 grams (6.13 ounces)
Build, materialsAluminum frame, glass front/backfeature not registered
Protection against water and othersIP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistantNot supported

📲 Display

OnePlus 9 Pro (256GB/12GB)Asus Zenfone 3 Max (5.5 ZC553KL 2GB RAM)
Display typeFluid AMOLEDTFT IPS LCD
Screen size6.7" inches5.5" inches
Screen-to-body ratio~89.9% (screen-to-body ratio)~72.2% (screen-to-body ratio)
Display resolution1440x3216 pixels (20:9)1080x1920 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch 10-points
Pixel density (dot pitch)526 PPI401 PPI
Colors1 billion16 million
Scratch-resistant glassGorilla Glass 5Gorilla Glass 3
Refresh rate120Hzfeature not registered
Display features1300nits[peak]
HDR10+
Always-On Display
feature not registered

🤖 Operating System

OnePlus 9 Pro (256GB/12GB)Asus Zenfone 3 Max (5.5 ZC553KL 2GB RAM)
System versionAndroid 11Android 6.0.1 Marshmallow
Firmware updateAndroid 13Android 8.1 Oreo
User InterfaceOxygenOS 12 / 13 (Global)
ColorOS 12 / 13 (China)
feature not registered

⚙️ Processor

OnePlus 9 Pro (256GB/12GB)Asus Zenfone 3 Max (5.5 ZC553KL 2GB RAM)
Chipset64bit: Qualcomm Snapdragon 888 (SM8350) (5nm)64bit: Qualcomm Snapdragon 430 MSM8937 (28nm)
CPUOcta-core, 3 processors:
1x 2.84GHz Kryo 680 (Single-core)
3x 2.42GHz Kryo 680 (Triple-core)
4x 1.8GHz Kryo 680 (Quad-core)
Octa-core, 2 processors:
4x 1.4GHz ARM Cortex-A53 (Quad-core)
4x 1.1GHz ARM Cortex-A53 (Quad-core)
GPU graphical controllerQualcomm Adreno 660 (840MHz)Qualcomm Adreno 505 450Mhz
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

OnePlus 9 Pro (256GB/12GB)Asus Zenfone 3 Max (5.5 ZC553KL 2GB RAM)
RAM memory12GB LPDDR52GB LPDDR3
Internal storage256GB (220GB available)
UFS 3.1
32GB (24GB available)
External storageNot supportedUntil 256GB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)

📶 Mobile networks

OnePlus 9 Pro (256GB/12GB)Asus Zenfone 3 Max (5.5 ZC553KL 2GB RAM)
Dual-SIMDual-SIM Standby - Call active on one sim cardDual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot)
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
micro-SIM (3FF) and nano-SIM (4FF)
Maximum Download / Upload2000/1024 Mbps150/50 Mbps
Network technology2G, 3G, 4G, 5G2G, 3G, 4G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkCDMA 800 (China), GSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkCDMA2000 1xEV-DO (China)
UMTS 800/850/900/1700/1800/1900/2100
Global version:
UMTS 850/900/1900/2100
Taiwan/Japan:
UMTS 800/850/900/1900/2100
India/Indonesia:
UMTS 850/900/2100
Primary 4G networkLTE Cat20
VoLTE
Global:
LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66)
TD-LTE (38, 39, 40, 41)
India:
LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26)
TD-LTE (34, 38, 39, 40, 41, 46)
China:
LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26)
TD-LTE (34, 38, 39, 40, 41)
LTE Cat4
Global version:
LTE 800/850/900/1800/1900/2100/2600 (Bands 1,2,3,5,7,8,20)
Taiwan/Japan:
LTE 700/800/850/900/1800/1900/2100/2600 (Bands 1,2,3,5,6,7,8,18,19,26,28)
TD-LTE 2500/2600 (Bands 38,41)
India/Indonesia:
LTE 850/900/1800/2100 (Bands 1,3,5,8)
TD-LTE 2300 (Band 40)
Primary 5G networkSA/NSA
Global:
(1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 78)
India:
(41, 78)
China:
(1, 3, 28, 41, 78, 79)
Not supported
Primary data networkGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSAGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkUMTS 800/850/900/1700/1800/1900/2100Not supported
Secondary 4G networkLTE Cat20
VoLTE
Global:
LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66)
TD-LTE (38, 39, 40, 41)
India:
LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26)
TD-LTE (34, 38, 39, 40, 41, 46)
China:
LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26)
TD-LTE (34, 38, 39, 40, 41)
Not supported
Secondary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSAGPRS, EDGE

📷 Camera

OnePlus 9 Pro (256GB/12GB)Asus Zenfone 3 Max (5.5 ZC553KL 2GB RAM)
Back camera (main camera)(quad camera)
48 megapixels
8MP telephoto f/2.477mm1.0µmPDAFOIS3.3x-optical-zoom
50MP ultrawide f/2.214mm1/1.56"1.0µmAF
2MP monochrome f/2.4
16 megapixels
Main camera resolution8000x6000 pixels4608x3456 pixels
Video recording (primary)8K UHD (7680x4320) 30 fpsFull HD (1920x1080) 30 fps
FlashDual-LED flashDual-LED flash
Focal aperturef/1.8 (aperture)f/2.0 (aperture)
Focal length23mm lensfeature not registered
Sensor size1/1.43" inches1/3" inches
Pixel size1.12µm pixelfeature not registered
AutofocusLDAF/PDAF: laser/phase detection autofocusLDAF/PDAF: laser/phase detection autofocus
Touch focusSupportedSupported
Image stabilizationOIS: Optical stabilizationEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorSupportedNot supported
HDRHDR photo/video on both camerasHDR photo on both cameras
Camera extras4K@30/60/120fps
1080p@30/60/240fps
Hasselblad Color Calibration
Sony IMX689, IMX766. IMX471 sensor
feature not registered

📸 Front camera

OnePlus 9 Pro (256GB/12GB)Asus Zenfone 3 Max (5.5 ZC553KL 2GB RAM)
Front camera (secondary)16 megapixels8 megapixels
Front camera resolution4608x3456 pixels3264x2448 pixels
Video recording (secondary)Full HD (1920x1080)HD (1280x720)
Front flashNot supportedNot supported
Focal aperturef/2.4 (aperture)f/2.2 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor size1/3.06" inchesfeature not registered
Pixel size1µm pixelfeature not registered

🔉 Sound and multimedia

OnePlus 9 Pro (256GB/12GB)Asus Zenfone 3 Max (5.5 ZC553KL 2GB RAM)
LoudspeakerStereo sound with dual speakers
24-bit/192kHz
Dolby Atmos
Supported
Active noise cancellation2 microphones or more2 microphones or more
RadioNot supportedFM (RDS)
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.264, H.263
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, eAAC+, FLAC

🔌 Connectivity

OnePlus 9 Pro (256GB/12GB)Asus Zenfone 3 Max (5.5 ZC553KL 2GB RAM)
USBUSB 3.1 Type-C, USB OTG On-The-GoMicroUSB 2.0
Audio outputType-C reversible connector3.5mm jack
TV outputUSB Type-C (reversible)Not supported
Bluetooth5.2 + A2DP/LE4.1 + A2DP
WiFi802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
802.11 b/g/n [wifi4] (2.4GHz)
WiFi Direct, hotspot
DLNASupportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, SBASA-GPS, GeoTagging, GLONASS, BeiDou
NFCSupportedNot supported
Infrared portNot supportedNot supported

🧭 Sensors

OnePlus 9 Pro (256GB/12GB)Asus Zenfone 3 Max (5.5 ZC553KL 2GB RAM)
SensorsAccelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (under display)
Gyroscope
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Fingerprint sensor
Gyroscope
Hall effect
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

OnePlus 9 Pro (256GB/12GB)Asus Zenfone 3 Max (5.5 ZC553KL 2GB RAM)
Battery typeLiPo: li-ion polymer (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity4500 mAh4100 mAh
Charger, watts65W (10V/6.5A) Wired fast charging
USB Power Delivery 1.0
10W (5V/2A) Wired charging
Inductive / wireless charging50W Qi Wireless charging (Qi/WPC)feature not registered
Talk time autonomyfeature not registered17 hours
Standbyfeature not registered912 hours (38 days)

➕ Other features

OnePlus 9 Pro (256GB/12GB)Asus Zenfone 3 Max (5.5 ZC553KL 2GB RAM)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder
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: Stellar Black, Morning Mist, Pine Green• Colors: Titanium Grey, Glacier Silver, Pink, Gold
• USB OTG On-The-Go
• Asus ZenUI 3.0
• 2.5D glass screen
• 450nits brightness screen

☢️ Radiation rate

OnePlus 9 Pro (256GB/12GB)Asus Zenfone 3 Max (5.5 ZC553KL 2GB RAM)
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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