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Xiaomi 15 (Global 256GB/12GB) vs Asus Zenfone 8 (128GB/6GB)

Side by side comparison between Xiaomi 15 vs Asus Zenfone 8 phones, differences, pros, cons and full specifications. What's the better?

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Compare Asus Zenfone 8 X Xiaomi 15 (Global 256GB/12GB) 25Points
6.36"
AMOLED

1200x2670

50
MP

32mp

12GB
RAM

Octa-core

5240
mAh

(Non removable)

vs
03Points Asus Zenfone 8 (128GB/6GB) Compare Xiaomi 15 X
5.9"
AMOLED

1080x2400

64
MP

12mp

6GB
RAM

Octa-core

4000
mAh

(Non removable)

What's the better phone? Xiaomi 15 (Global 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!

15 (Global 256GB/12GB)} 25 Advantages Xiaomi 15 (Global 256GB/12GB) vs Zenfone 8 (128GB/6GB)} 3 Advantages Asus Zenfone 8 (128GB/6GB)
+4.32GHz 64bit Octa-core (3nm)90%
More powerful processor, you can open your applications faster
vs2.84GHz 64bit Octa-core (5nm)
+12GB LPDDR5X100%
More RAM memory. Typically more responsive and better for multitasking.
vs6GB LPDDR5
+256GB (220GB available)106%
More internal storage for applications and files
vs128GB (107GB available)
+UFS 4.0Advantage
Fastest write and read storage.
vsUFS 3.1
+8.4 millimeters (0.33 inches)6%
Thinner
vs8.9 millimeters (0.35 inches)
+68 billion4249 times
More colors on the screen is better quality images and videos
vs16 million
+1200x2670 pixels24%
Higher resolution screen
vs1080x2400 pixels
+460 PPI3%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs446 PPI
+6.36"8%
Larger screen
vs5.9"
+(triple camera) 50MP + 50MP + 50MP97%
Higher resolution main camera
vs(dual camera) 64MP + 12MP
+Dual-LED flashAdvantage
The Dual-LED flash helps in dark places or in low light
vsLED flash
+Digital and optical zoomAdvantage
The zoom allows for better focus and approach to take pictures
vsOnly digital zoom
+1/1.31" inches32%
The larger sensor camera lets you take photos with better depth.
vs1/1.73" inches
+f/1.6 (aperture)13%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
vsf/1.8 (aperture)
+(front) 32MP166%
Higher resolution secondary camera to take pictures and selfies
vs(front) 12MP
+Android 15Advantage
Android 15 is newer and safer
vsAndroid 13
+(5G Sub6) 3000 Mbps50%
Faster for surfing the internet and download files
vs(5G SA/NSA) 2000 Mbps
+BarometerAdvantage
Sensors help you use the device
vsNot supported
+5240 mAh31%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs4000 mAh
+90W2 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.
vs30W
+Qi Wireless charging (Qi/WPC)Advantage
Wireless charging is another way to charge the battery.
vsNot supported
+2 slots (Dual-SIM) + e-SIM (Eletronic)Advantage
You can have more mobile carriers/operators on the same device.
vs2 slots (Dual-SIM)
+802.11 a/b/g/n/ac/ax/be [wifi7/6E/6]Advantage
WiFi 802.11 a/b/g/n/ac/ax/be [wifi7/6E/6] is newer and faster
vs802.11 a/b/g/n/ac/ax [wifi6E/6]
+6.0 + A2DP/LEAdvantage
Bluetooth 6.0 + A2DP/LE is newer and faster
vs5.2 + A2DP/LE
+USB 3.2 Type-C, USB OTG On-The-GoAdvantage
Newer and faster USB version for transferring photos, mp3 or data.
vsUSB 2.0 Type-C, USB OTG On-The-Go
192 grams (6.72 ounces)vs+169 grams (5.92 ounces)14%
Lighter
Type-C reversible connectorvs+3.5mm jackAdvantage
Headsets with 3.5mm Jack size are more common and easy to find in stores
Not supportedvs+FMAdvantage
The radio lets you listen to your songs and sports in general

31 Common items in both devices
Aluminum body, glass front / Aluminum frame, glass front/back
LTPO AMOLED / Super AMOLED
Dolby Vision/HDR10+ / HDR10+
120Hz
PDAF: phase detection autofocus
OIS: Optical stabilization / OIS (4-axis): Optical stabilization
BSI sensor
+24 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

Xiaomi 15 (Global 256GB/12GB)Asus Zenfone 8 (128GB/6GB)
ModelXiaomi 15 (Global 256GB/12GB)Zenfone 8 (128GB/6GB)
Other model namesXiaomi 15 24129PN74G, 24129PN74IAsus Zenfone 8 (ZS590KS, ZS590KS-2A007EU)
Country or region available(Global, International)
(Global, International)
(Global, International)
(Global, International)
BrandXiaomiAsus
Release date10/29/20245/13/2021, Announced: 5/12/2021
Depth8.4 millimeters (0.33 inches)8.9 millimeters (0.35 inches)
Size (width x height)71.2 x 152.3 millimeters (2.8 x 6 in)68.5 x 148 millimeters (2.7 x 5.83 in)
Weight192 grams (6.72 ounces)169 grams (5.92 ounces)
Build, materialsAluminum body, glass frontAluminum frame, glass front/back
Protection against water and othersIP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistantIP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant

📲 Display

Xiaomi 15 (Global 256GB/12GB)Asus Zenfone 8 (128GB/6GB)
Display typeLTPO AMOLEDSuper AMOLED
Screen size6.36" inches5.9" inches
Screen-to-body ratio~90% (screen-to-body ratio)~82.9% (screen-to-body ratio)
Display resolution1200x2670 pixels (20:9)1080x2400 pixels (20:9)
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch 10-points
Pixel density (dot pitch)460 PPI446 PPI
Colors68 billion16 million
Scratch-resistant glassDragon Crystal GlassGorilla Glass Victus
Refresh rate120Hz120Hz
Display features3200nits[peak]
Dolby Vision/HDR10+
Touch Sampling Rate: 300Hz
700nits[typ], 1100nits[peak]
HDR10+
Always-On Display

🤖 Operating System

Xiaomi 15 (Global 256GB/12GB)Asus Zenfone 8 (128GB/6GB)
System versionAndroid 15Android 11
Firmware updatefeature not registeredAndroid 13
User InterfaceHyperOS 2ZenUI 8 / 9 / 10

⚙️ Processor

Xiaomi 15 (Global 256GB/12GB)Asus Zenfone 8 (128GB/6GB)
Chipset64bit: Qualcomm Snapdragon 8 Elite (SM8750-AB) (3nm)64bit: Qualcomm Snapdragon 888 (SM8350) (5nm)
CPUOcta-core, 2 processors:
2x 4.32GHz Oryon V2 Phoenix L (Dual-core)
6x 3.53GHz Oryon V2 Phoenix M (Hexa-core)
Octa-core, 3 processors:
1x 2.84GHz Kryo 680 (Single-core)
3x 2.42GHz Kryo 680 (Triple-core)
4x 1.8GHz Kryo 680 (Quad-core)
GPU graphical controllerQualcomm Adreno 830 (1100MHz)Qualcomm Adreno 660 (840MHz)
Performance (benchmark)AnTuTu: 2534643 (v10)
Geekbench: 9419 (v6)
AnTuTu: 676001 (v8), 799738 (v9)
Geekbench: 3604 (v5.1)
GFXBench: 61fps (ES 3.1 onscreen)

💽 Memory and storage

Xiaomi 15 (Global 256GB/12GB)Asus Zenfone 8 (128GB/6GB)
RAM memory12GB LPDDR5X6GB LPDDR5
Internal storage256GB (220GB available)
UFS 4.0
128GB (107GB available)
UFS 3.1
External storageNot supportedNot supported

📶 Mobile networks

Xiaomi 15 (Global 256GB/12GB)Asus Zenfone 8 (128GB/6GB)
Dual-SIMDual-SIM Standby - Call active on one sim cardDual-SIM Standby - Call active on one sim card
SIM card2 slots (Dual-SIM)
nano-SIM (4FF) + e-SIM
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload3000/1024 Mbps2000/1024 Mbps
Network technology2G, 3G, 4G, 5G2G, 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 networkUMTS 850/900/1700/1900/2100UMTS 800/850/900/1700/1900/2100
Primary 4G networkLTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66)
TD-LTE (32, 38, 39, 40, 41, 42, 48)
VoLTE
LTE Cat20
VoLTE
America version:
LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 30, 66, 71)
TD-LTE (34, 38, 39, 40, 41, 42)
Global version:
LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28)
TD-LTE (34, 38, 39, 40, 41, 42)
Primary 5G networkSA/NSA/Sub6 (1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 48, 66, 75, 77, 78)America version:
SA/NSA (1, 2, 3, 5, 7, 8, 12, 20, 25, 38, 40, 66, 71, 77, 78)
Global version:
SA/NSA (1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 77, 78)
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6GPRS, 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 networkUMTS 850/900/1700/1900/2100UMTS 800/850/900/1700/1900/2100
Secondary 4G networkLTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66)
TD-LTE (32, 38, 39, 40, 41, 42, 48)
VoLTE
LTE Cat20
VoLTE
America version:
LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 30, 66, 71)
TD-LTE (34, 38, 39, 40, 41, 42)
Global version:
LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28)
TD-LTE (34, 38, 39, 40, 41, 42)
Secondary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A

📷 Camera

Xiaomi 15 (Global 256GB/12GB)Asus Zenfone 8 (128GB/6GB)
Back camera (main camera)(triple camera)
50 megapixels
50MP telephoto f/2.060mm1/2.76"0.64µmPDAFOIS2.6x-optical-zoom
50MP ultrawide f/2.214mm115°1/2.76"0.64µm
(dual camera)
64 megapixels
12MP ultrawide f/2.2112°14mm1/2.55"1.4µmPDAF
Main camera resolution8160x6120 pixels10120x6328 pixels
Video recording (primary)8K UHD (7680x4320) 30 fps8K UHD (7680x4320) 24 fps
FlashDual-LED flashLED flash
Focal aperturef/1.6 (aperture)f/1.8 (aperture)
Focal length23mm (lens)26mm (lens)
Sensor size1/1.31" inches1/1.73" inches
Pixel size1.2µm pixel0.8µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationOIS: Optical stabilizationOIS (4-axis): Optical stabilization
ZoomDigital and optical zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorSupportedSupported
HDRHDR photo/video on both camerasHDR photo/video on both cameras
Camera extras8K@24/30fps (HDR)
4K@24/30/60fps (HDR10+, 10-bit Dolby Vision HDR, 10-bit LOG)
1080p@30/60/120/240/960fps
720p@1920fps
Leica Summilux
4K@120fps
1080p@240fps
720p@480fps

📸 Front camera

Xiaomi 15 (Global 256GB/12GB)Asus Zenfone 8 (128GB/6GB)
Front camera (secondary)32 megapixels12 megapixels
Front camera resolution6528x4896 pixels4000x3000 pixels
Video recording (secondary)4K UHD (3840x2160)4K UHD (3840x2160)
Front flashNot supportedNot supported
Focal aperturef/2.0 (aperture)f/2.5 (aperture)
Focal length21mm (lens)28mm (lens)
Sensor size1/3.14" inches1/2.93" inches
Pixel size0.7µm pixel1.22µm pixel

🔉 Sound and multimedia

Xiaomi 15 (Global 256GB/12GB)Asus Zenfone 8 (128GB/6GB)
LoudspeakerStereo sound
24-bit/192kHz
Dolby Atmos
Hi-Res
Stereo sound
32-bit/384kHz
Active noise cancellation4 microphones2 microphones or more
RadioNot supportedFM
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Xiaomi 15 (Global 256GB/12GB)Asus Zenfone 8 (128GB/6GB)
USBUSB 3.2 Type-C, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
Audio outputType-C reversible connector3.5mm jack
TV outputUSB Type-C (reversible)USB Type-C (reversible)
Bluetooth6.0 + A2DP/LE5.2 + A2DP/LE
WiFi802.11 a/b/g/n/ac/ax/be [wifi7/6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO
WiFi Direct, hotspot
802.11 a/b/g/n/ac/ax [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO
WiFi Direct, hotspot
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC
NFCSupportedSupported
Infrared portSupportedNot supported

🧭 Sensors

Xiaomi 15 (Global 256GB/12GB)Asus Zenfone 8 (128GB/6GB)
SensorsAccelerometer
Ambient light sensor
Barometer
Compass
Face unlock 2D
Fingerprint sensor (under display)
Gyroscope
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Face unlock 2D
Fingerprint sensor (under display)
Gyroscope
Hall effect
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Xiaomi 15 (Global 256GB/12GB)Asus Zenfone 8 (128GB/6GB)
Battery typeLi-Si: lithium-silicon (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity5240 mAh4000 mAh
Charger, watts90W Wired fast charging
Reverse charging by cable
Quick Charge 3+
USB Power Delivery 3.0
30W Wired fast charging
5W Reverse charging by cable
Quick Charge 4
USB Power Delivery 3.0
Inductive / wireless charging50W Qi Wireless charging (Qi/WPC)
10W Reverse wireless charging
Not supported
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

Xiaomi 15 (Global 256GB/12GB)Asus Zenfone 8 (128GB/6GB)
Call controlVoice dialing, Voice recorder, Voice commandsVoice 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: Black, White, Green, Lilac, Liquid Silver
• Xiaomi HyperAI
• Colors: Obsidian Black, Horizon Silver

☢️ Radiation rate

Xiaomi 15 (Global 256GB/12GB)Asus Zenfone 8 (128GB/6GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)0.99W/kg (head), 1W/kg (body)feature not registered
X

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