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Asus Zenfone 5Z (ZS621KL 256GB) vs Xiaomi 12X (256GB/12GB)

Side by side comparison between Asus Zenfone 5Z vs Xiaomi 12X phones, differences, pros, cons and full specifications. What's the better?

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Compare Xiaomi 12X X Asus Zenfone 5Z (ZS621KL 256GB) 06Points
6.2"
IPS

1080x2246

12
MP

8mp

8GB
RAM

Octa-core

3300
mAh

(Non removable)

vs
21Points Xiaomi 12X (256GB/12GB) Compare Asus Zenfone 5Z X
6.28"
AMOLED

1080x2400

50
MP

32mp

12GB
RAM

Octa-core

4500
mAh

(Non removable)

What's the better phone? Xiaomi 12X (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!

Zenfone 5Z (ZS621KL 256GB)} 6 Advantages Asus Zenfone 5Z (ZS621KL 256GB) vs 12X (256GB/12GB)} 21 Advantages Xiaomi 12X (256GB/12GB)
+Until 1TB microSD, microSDXCAdvantage
More external storage for files using memory cards
vsNot supported
+165 grams (5.78 ounces)7%
Lighter
vs176 grams (6.16 ounces)
+7.9 millimeters (0.31 inches)4%
Thinner
vs8.2 millimeters (0.32 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)
+3.5mm jackAdvantage
Headsets with 3.5mm Jack size are more common and easy to find in stores
vsType-C reversible connector
+FMAdvantage
The radio lets you listen to your songs and sports in general
vsNot supported
2.7GHz 64bit Octa-corevs+3.2GHz 64bit Octa-core (7nm)15%
More powerful processor, you can open your applications faster
8GB LPDDR4Xvs+12GB LPDDR550%
More RAM memory. Typically more responsive and better for multitasking.
UFS 2.1vs+UFS 3.1Advantage
Fastest write and read storage.
TFT IPS LCDvs+AMOLEDAdvantage
AMOLED display is brighter and more vivid
Not supportedvs+Dolby Vision/HDR10+Advantage
The Dolby Vision/HDR10+ display provides vibrant colors and more details
60Hzvs+120Hz100%
The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
16 millionvs+1 billion62 times
More colors on the screen is better quality images and videos
1080x2246 pixelsvs+1080x2400 pixels7%
Higher resolution screen
402 PPIvs+419 PPI4%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
6.2"vs+6.28"1%
Larger screen
(dual camera) 12MP + 8MPvs+(triple camera) 50MP + 13MP + 5MP2 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) 32MP3 times
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
Android 10vs+Android 12Advantage
Android 12 is newer and safer
4G LTE-Avs+5G SA/NSAAdvantage
The 5G SA/NSA network is newer and faster
(4G LTE-A) 800 Mbpsvs+(5G SA/NSA) 2000 Mbps150%
Faster for surfing the internet and download files
3300 mAhvs+4500 mAh36%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
18Wvs+67W3 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 [wifi6]Advantage
WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster
5.0 + A2DP/LEvs+5.2 + A2DP/LEAdvantage
Bluetooth 5.2 + A2DP/LE is newer and faster

24 Common items in both devices
256GB (240GB available) / 256GB (222GB available)
Aluminum frame, glass front/back / Aluminum body, glass front, plastic back
Dual-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
+17 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 5Z (ZS621KL 256GB)Xiaomi 12X (256GB/12GB)
ModelZenfone 5Z (ZS621KL 256GB)12X (256GB/12GB)
Other model namesAsus Zenfone 5z 8GB RAM (ZS621KL), ASUS_Z01RDXiaomi 12X 2112123AG (Global), 2112123AC (China)
Country or region availableIndia
India
China
China
BrandAsusXiaomi
Release date6/1/201812/31/2021, Announced: 12/28/2021
Depth7.9 millimeters (0.31 inches)8.2 millimeters (0.32 inches)
Size (width x height)75.65 x 153 millimeters (2.98 x 6.02 in)69.9 x 152.7 millimeters (2.75 x 6.01 in)
Weight165 grams (5.78 ounces)176 grams (6.16 ounces)
Build, materialsAluminum frame, glass front/backAluminum body, glass front, plastic back
Protection against water and othersNot supportedNot supported

📲 Display

Asus Zenfone 5Z (ZS621KL 256GB)Xiaomi 12X (256GB/12GB)
Display typeTFT IPS LCDAMOLED
Screen size6.2" inches6.28" inches
Screen-to-body ratio~83.7% (screen-to-body ratio)~89.2% (screen-to-body ratio)
Display resolution1080x2246 pixels (18.7:9)1080x2400 pixels (20:9)
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch
Pixel density (dot pitch)402 PPI419 PPI
Colors16 million1 billion
Scratch-resistant glassGorilla GlassGorilla Glass Victus
Refresh rate60Hz120Hz
Display features550nits[typ]1100nits[peak]
Dolby Vision/HDR10+
DCI-P3
Touch rate: 480Hz

🤖 Operating System

Asus Zenfone 5Z (ZS621KL 256GB)Xiaomi 12X (256GB/12GB)
System versionAndroid 8.0 OreoAndroid 11
Firmware updateAndroid 10Android 12
User Interfacefeature not registeredMIUI 13

⚙️ Processor

Asus Zenfone 5Z (ZS621KL 256GB)Xiaomi 12X (256GB/12GB)
Chipset64bit: Qualcomm Snapdragon 845 MSM8998 (10nm)64bit: Qualcomm Snapdragon 870 (SM8250-AC) (7nm)
CPUOcta-core, 2 processors:
4x 2.7GHz Kryo 385 Gold (Quad-core)
4x 1.7GHz Kryo 385 Silver (Quad-core)
Octa-core, 3 processors:
1x 3.2GHz Kryo 585 (Single-core)
3x 2.42GHz Kryo 585 (Triple-core)
4x 1.8GHz Kryo 585 (Quad-core)
GPU graphical controllerQualcomm Adreno 630 710MhzQualcomm Adreno 650 (670MHz)
Performance (benchmark)feature not registeredAnTuTu: 598003 (v8), 690298 (v9)
Geekbench: 3168 (v5.1)
GFXBench: 47fps (ES 3.1 onscreen)

💽 Memory and storage

Asus Zenfone 5Z (ZS621KL 256GB)Xiaomi 12X (256GB/12GB)
RAM memory8GB LPDDR4X12GB LPDDR5
Internal storage256GB (240GB available)
UFS 2.1
256GB (222GB available)
UFS 3.1
External storageUntil 1TB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)
Not supported

📶 Mobile networks

Asus Zenfone 5Z (ZS621KL 256GB)Xiaomi 12X (256GB/12GB)
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 / Upload800/100 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 850/900/1800/1900CDMA 800, GSM 850/900/1800/1900
Primary 3G networkUMTS 800/850/900CDMA2000 1xEV-DO
UMTS 800/850/900/1700/1900/2100
Primary 4G networkLTE Cat15 (Bands 1,2,3,5,7,8,18,19,20,26,28)
TD-LTE (Bands 38,39,40,41)
LTE Cat20
VoLTE
Global version:
LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 32, 66)
TD-LTE (38, 39, 40, 41, 42, 48)
China version:
LTE (1, 2, 3, 4, 5, 7, 8, 18, 19, 26)
TD-LTE (34, 38, 39, 40, 41, 42)
Primary 5G networkNot supportedGlobal version:
SA/NSA (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78)
China version:
SA/NSA (1, 3, 5, 8, 28, 38, 40, 41, 77, 78)
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, 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
Global version:
LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 32, 66)
TD-LTE (38, 39, 40, 41, 42, 48)
China version:
LTE (1, 2, 3, 4, 5, 7, 8, 18, 19, 26)
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 5Z (ZS621KL 256GB)Xiaomi 12X (256GB/12GB)
Back camera (main camera)(dual camera)
12 megapixels
8MP ultrawide f/2.012mm1/4"1.12µmFF
(triple camera)
50 megapixels
13MP ultrawide f/2.412mm123°1/3.06"1.12µm
5MP telephoto macro f/2.450mmAF
Main camera resolution4000x3000 pixels8160x6120 pixels
Video recording (primary)4K UHD (3840x2160) 30 fps8K UHD (7680x4320) 24 fps
FlashDual-LED flashDual-LED flash
Focal aperturef/1.8 (aperture)f/1.9 (aperture)
Focal length24mm lens26mm 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@60fps
1080p@960fps
Sony IMX766

📸 Front camera

Asus Zenfone 5Z (ZS621KL 256GB)Xiaomi 12X (256GB/12GB)
Front camera (secondary)8 megapixels32 megapixels
Front camera resolution3264x2448 pixels6528x4896 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.0 (aperture)f/2.5 (aperture)
Focal length24mm lens26mm lens
Sensor size1/4" inchesfeature not registered
Pixel size1.12µm pixel0.7µm pixel

🔉 Sound and multimedia

Asus Zenfone 5Z (ZS621KL 256GB)Xiaomi 12X (256GB/12GB)
LoudspeakerSupportedStereo sound with dual speakers
24-bit/192kHz
Dolby Atmos
Tuned by Harman Kardon
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, OGG, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Asus Zenfone 5Z (ZS621KL 256GB)Xiaomi 12X (256GB/12GB)
USBUSB 2.0 Type-C, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
Audio output3.5mm jackType-C reversible connector
TV outputNot supportedUSB Type-C (reversible)
Bluetooth5.0 + A2DP/LE5.2 + A2DP/LE
WiFi802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz)
WiFi Direct, hotspot
802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASS, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC
NFCSupportedSupported
Infrared portNot supportedSupported

🧭 Sensors

Asus Zenfone 5Z (ZS621KL 256GB)Xiaomi 12X (256GB/12GB)
SensorsAccelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (rear-mounted)
Gyroscope
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (under display)
Gyroscope
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Asus Zenfone 5Z (ZS621KL 256GB)Xiaomi 12X (256GB/12GB)
Battery typeLi-Ion: lithium-ion (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity3300 mAh4500 mAh
Charger, watts18W (9V/2A) Wired fast charging67W Wired fast charging
Quick Charge 4
USB Power Delivery 3.0
Inductive / wireless chargingNot supportedNot supported
Talk time autonomy25 hours (1 days)feature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

Asus Zenfone 5Z (ZS621KL 256GB)Xiaomi 12X (256GB/12GB)
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: Midnight Blue, Meteor Silver
• 2.5D curved glass screen
• 95% DCI-P3 coverage
• Supports glove touch
• ASUS ZenUI 5.0
• 24-bit/192kHz audio
• DTS sound (only headphones)
• Colors: Gray, Blue, Purple
• LiquidCool

☢️ Radiation rate

Asus Zenfone 5Z (ZS621KL 256GB)Xiaomi 12X (256GB/12GB)
SAR 1.6W/kg (USA, Mexico, etc.)1.04W/kg (head), 0.37W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)1.2W/kg (head), 1.477W/kg (body)0.59W/kg (head), 1W/kg (body)
X

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