📱 Model features |
| Asus Zenfone 5Z (ZS620KL 128GB) | Xiaomi 12X (128GB) |
| Model | Zenfone 5Z (ZS620KL 128GB) | 12X (128GB) |
| Other model names | Asus Zenfone 5z 6GB RAM, ASUS_Z01RD | Xiaomi 12X 2112123AG (Global), 2112123AC (China) |
| Country or region available | 
(Global, International) |
(Global, International) |
| Brand | Asus | Xiaomi |
| Release date | 6/1/2018 | 12/31/2021, Announced: 12/28/2021 |
| Depth | 7.9 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) |
| Weight | 165 grams (5.78 ounces) | 176 grams (6.16 ounces) |
| Build, materials | Aluminum frame, glass front/back | Aluminum body, glass front, plastic back |
| Protection against water and others | Not supported | Not supported |
🤖 Operating System |
| Asus Zenfone 5Z (ZS620KL 128GB) | Xiaomi 12X (128GB) |
| System version | Android 8.0 Oreo | Android 11 |
| Firmware update | Android 10 | Android 12 |
| User Interface | feature not registered | MIUI 13 |
⚙️ Processor |
| Asus Zenfone 5Z (ZS620KL 128GB) | Xiaomi 12X (128GB) |
| Chipset | 64bit: Qualcomm Snapdragon 845 MSM8998 (10nm) | 64bit: Qualcomm Snapdragon 870 (SM8250-AC) (7nm) |
| CPU | Octa-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 controller | Qualcomm Adreno 630 710Mhz | Qualcomm Adreno 650 (670MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 598003 (v8), 690298 (v9)
Geekbench: 3168 (v5.1)
GFXBench: 47fps (ES 3.1 onscreen) |
💽 Memory and storage |
| Asus Zenfone 5Z (ZS620KL 128GB) | Xiaomi 12X (128GB) |
| RAM memory | 6GB LPDDR4X | 8GB LPDDR5 |
| Internal storage | 128GB (111GB available)
UFS 2.1 | 128GB (103GB available)
UFS 3.1 |
| External storage | Until 1TB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot) | Not supported |
📲 Display |
| Asus Zenfone 5Z (ZS620KL 128GB) | Xiaomi 12X (128GB) |
| Display type | TFT IPS LCD | AMOLED |
| Screen size | 6.2" inches | 6.28" inches |
| Screen-to-body ratio | ~83.7% (screen-to-body ratio) | ~89.2% (screen-to-body ratio) |
| Display resolution | 1080x2246 pixels (18.7:9) | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 402 PPI | 419 PPI |
| Colors | 16 million | 1 billion |
| Scratch-resistant glass | Gorilla Glass | Gorilla Glass Victus |
| Refresh rate | 60Hz | 120Hz |
| Display features | 550nits[typ] | 1100nits[peak]
Dolby Vision/HDR10+
DCI-P3
Touch rate: 480Hz |
📶 Mobile networks |
| Asus Zenfone 5Z (ZS620KL 128GB) | Xiaomi 12X (128GB) |
| Dual-SIM | Dual-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 card | 2 slots (Dual-SIM)
nano-SIM (4FF) | 2 slots (Dual-SIM)
nano-SIM (4FF) |
| Maximum Download / Upload | 1200/100 Mbps | 2000/1024 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G, 5G |
| Frequency, bands | Expand band detailsCollapse details |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | CDMA 800, GSM 850/900/1800/1900 |
| Primary 3G network | A version:
UMTS 800/850/900/1800/1900/2100
B version (USA):
UMTS 800/850/900/1800/1900/2100
C version:
UMTS 850/900/2100 | CDMA2000 1xEV-DO
UMTS 800/850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat15/Cat18
A version:
LTE Cat15 (Bands 1,2,3,5,7,8,18,19,20,26,28,32)
TD-LTE (Bands 34,38,39,40,41)
B version (USA):
LTE Cat18 (Bands 1,2,3,5,7,8,18,19,28)
TD-LTE (Bands 38,39,41)
C version:
LTE Cat18 (Bands 1,3,5,7,8,20)
TD-LTE (Band 40) | 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 network | Not supported | Global 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 network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 800/850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | 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) |
| Secondary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
📷 Camera |
| Asus Zenfone 5Z (ZS620KL 128GB) | Xiaomi 12X (128GB) |
| Back camera (main camera) | (dual camera)
12 megapixels
8MP ultrawidef/2.012mm1/4"1.12µmFF | (triple camera)
50 megapixels
13MP ultrawidef/2.412mm123°1/3.06"1.12µm
5MP telephoto macrof/2.450mmAF |
| Main camera resolution | 4000x3000 pixels | 8160x6120 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 8K UHD (7680x4320) 24 fps |
| Flash | Dual-LED flash | Dual-LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.9 (aperture) |
| Focal length | 24mm lens | 26mm lens |
| Sensor size | 1/2.55" inches | 1/1.56" inches |
| Pixel size | 1.4µm pixel | 1µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS (4-axis): Optical stabilization | OIS: Optical stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Supported |
| HDR | HDR photo on both cameras | HDR photo/video on both cameras |
| Camera extras | feature not registered | 4K@60fps
1080p@960fps
Sony IMX766 |
📸 Front camera |
| Asus Zenfone 5Z (ZS620KL 128GB) | Xiaomi 12X (128GB) |
| Front camera (secondary) | 8 megapixels | 32 megapixels |
| Front camera resolution | 3264x2448 pixels | 6528x4896 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.5 (aperture) |
| Focal length | 24mm lens | 26mm lens |
| Sensor size | 1/4" inches | feature not registered |
| Pixel size | 1.12µm pixel | 0.7µm pixel |
🔉 Sound and multimedia |
| Asus Zenfone 5Z (ZS620KL 128GB) | Xiaomi 12X (128GB) |
| Loudspeaker | Supported | Stereo sound with dual speakers
24-bit/192kHz
Dolby Atmos
Tuned by Harman Kardon |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263 | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, OGG, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity |
| Asus Zenfone 5Z (ZS620KL 128GB) | Xiaomi 12X (128GB) |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | Type-C reversible connector |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 5.0 + A2DP/LE | 5.2 + A2DP/LE |
| WiFi | 802.11 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 |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC |
| NFC | Supported | Supported |
| Infrared port | Not supported | Supported |
🧭 Sensors |
| Asus Zenfone 5Z (ZS620KL 128GB) | Xiaomi 12X (128GB) |
| Sensors | Accelerometer
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 alert | Supported | Supported |
🔋 Battery |
| Asus Zenfone 5Z (ZS620KL 128GB) | Xiaomi 12X (128GB) |
| Battery type | Li-Ion: Lithium-Ion (Non removable) | LiPo: Li-Ion polymer (Non removable) |
| Battery capacity | 3300 mAh | 4500 mAh |
| Charger, watts | 18W (9V/2A) Wired fast charging | 67W Wired fast charging
Quick Charge 4
USB Power Delivery 3.0 |
| Wireless charging | Not supported | Not supported |
| Talk time autonomy | 25 hours (1 days) | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features |
| Asus Zenfone 5Z (ZS620KL 128GB) | Xiaomi 12X (128GB) |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not 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 (ZS620KL 128GB) | Xiaomi 12X (128GB) |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.16W/kg (head), 0.89W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 1.16W/kg (head), 1.59W/kg (body) | 0.59W/kg (head), 1W/kg (body) |