📱 Model features |
| Asus Zenfone 5Z (ZS621KL 256GB) | Lenovo Legion Y90 (256GB/12GB) |
| Model | Zenfone 5Z (ZS621KL 256GB) | Legion Y90 (256GB/12GB) |
| Other model names | Asus Zenfone 5z 8GB RAM (ZS621KL), ASUS_Z01RD | 联想拯救者Y90 (L71061) |
| Country or region available | 
India |   
China, Hong Kong, Taiwan |
| Brand | Asus | Lenovo |
| Release date | 6/1/2018 | 3/10/2022, Announced: 3/1/2022 |
| Depth | 7.9 millimeters (0.31 inches) | 10.1 millimeters (0.4 inches) |
| Size (width x height) | 75.65 x 153 millimeters (2.98 x 6.02 in) | 78.4 x 177 millimeters (3.09 x 6.97 in) |
| Weight | 165 grams (5.78 ounces) | 252 grams (8.82 ounces) |
| Build, materials | Aluminum frame, glass front/back | Aluminum body, glass front |
| Protection against water and others | Not supported | Not supported |
🤖 Operating System |
| Asus Zenfone 5Z (ZS621KL 256GB) | Lenovo Legion Y90 (256GB/12GB) |
| System version | Android 8.0 Oreo | Android 12 |
| Firmware update | Android 10 | feature not registered |
| User Interface | feature not registered | ZUI 13 |
⚙️ Processor |
| Asus Zenfone 5Z (ZS621KL 256GB) | Lenovo Legion Y90 (256GB/12GB) |
| Chipset | 64bit: Qualcomm Snapdragon 845 MSM8998 (10nm) | 64bit: Qualcomm Snapdragon 8 Gen 1 (SM8450) (4nm) |
| 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 3GHz ARM Cortex-X2 (Single-core)
3x 2.5GHz ARM Cortex-A710 (Triple-core)
4x 1.79GHz ARM Cortex-A510 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 630 710Mhz | Qualcomm Adreno 730 (818MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 1120409 (v9) |
💽 Memory and storage |
| Asus Zenfone 5Z (ZS621KL 256GB) | Lenovo Legion Y90 (256GB/12GB) |
| RAM memory | 8GB LPDDR4X | 12GB LPDDR5 |
| Internal storage | 256GB (240GB available)
UFS 2.1 | 256GB (218GB available)
UFS 3.1 |
| External storage | Until 1TB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot) | Not supported |
📲 Display |
| Asus Zenfone 5Z (ZS621KL 256GB) | Lenovo Legion Y90 (256GB/12GB) |
| Display type | TFT IPS LCD | AMOLED |
| Screen size | 6.2" inches | 6.92" inches |
| Screen-to-body ratio | ~83.7% (screen-to-body ratio) | ~81.9% (screen-to-body ratio) |
| Display resolution | 1080x2246 pixels (18.7:9) | 1080x2460 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 402 PPI | 388 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass | Not supported |
| Refresh rate | 60Hz | 144Hz |
| Display features | 550nits[typ] | 1300nits[peak]
HDR10+
111% DCI-P3
Touch Sampling Rate: 720Hz |
📶 Mobile networks |
| Asus Zenfone 5Z (ZS621KL 256GB) | Lenovo Legion Y90 (256GB/12GB) |
| 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 | 800/100 Mbps | 3000/1024 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 | UMTS 800/850/900 | CDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 800/850/900/1900/2100 |
| Primary 4G network | LTE Cat15 (Bands 1,2,3,5,7,8,18,19,20,26,28)
TD-LTE (Bands 38,39,40,41) | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 32)
TD-LTE (34, 38, 39, 40, 41, 42, 43)
VoLTE |
| Primary 5G network | Not supported | SA/NSA/Sub6 (1, 2, 3, 7, 8, 20, 25, 28, 38, 40, 41, 66, 71, 77, 78, 79) |
| 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, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 800/850/900/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 32)
TD-LTE (34, 38, 39, 40, 41, 42, 43)
VoLTE |
| Secondary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
📷 Camera |
| Asus Zenfone 5Z (ZS621KL 256GB) | Lenovo Legion Y90 (256GB/12GB) |
| Back camera (main camera) | (dual camera)
12 megapixels
8MP ultrawidef/2.012mm1/4"1.12µmFF | (dual camera)
64 megapixels
13MP ultrawide120° |
| Main camera resolution | 4000x3000 pixels | 10120x6328 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 | 25mm lens |
| Sensor size | 1/2.55" inches | 1/1.32" 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 | EIS: Digital 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 | 8K@24fps
4K@30/60fps
1080p@30/60fps
1080p@240fps (slow motion)
HDR10+ |
📸 Front camera |
| Asus Zenfone 5Z (ZS621KL 256GB) | Lenovo Legion Y90 (256GB/12GB) |
| Front camera (secondary) | 8 megapixels | 16 megapixels |
| Front camera resolution | 3264x2448 pixels | 4608x3456 pixels |
| Video recording (secondary) | Full HD (1920x1080) | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | feature not registered |
| Focal length | 24mm lens | feature not registered |
| Sensor size | 1/4" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
🔉 Sound and multimedia |
| Asus Zenfone 5Z (ZS621KL 256GB) | Lenovo Legion Y90 (256GB/12GB) |
| Loudspeaker | Supported | Stereo sound with dual speakers
Dolby Atmos |
| 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 (ZS621KL 256GB) | Lenovo Legion Y90 (256GB/12GB) |
| 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 |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors |
| Asus Zenfone 5Z (ZS621KL 256GB) | Lenovo Legion Y90 (256GB/12GB) |
| 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 (ZS621KL 256GB) | Lenovo Legion Y90 (256GB/12GB) |
| Battery type | Li-Ion: Lithium-Ion (Non removable) | LiPo: Li-Ion polymer (Non removable) |
| Battery capacity | 3300 mAh | 5600 mAh |
| Charger, watts | 18W (9V/2A) Wired fast charging | 68W Wired fast charging |
| 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 (ZS621KL 256GB) | Lenovo Legion Y90 (256GB/12GB) |
| 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
• 4 physical pop-up gaming triggers |
☢️ Radiation rate |
| Asus Zenfone 5Z (ZS621KL 256GB) | Lenovo Legion Y90 (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) | feature not registered |