LG G8X ThinQ (G850UM9) vs Asus Zenfone 5Z (ZS621KL 256GB)
Side by side comparison between LG G8X ThinQ vs Asus Zenfone 5Z phones, differences, pros, cons and full specifications. What's the better?
,
6.4"
OLED
OLED
1080x2340
12
MP
MP
32mp
6GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
vs
6.2"
IPS
IPS
1080x2246
12
MP
MP
8mp
8GB
RAM
RAM
Octa-core
3300
mAh
mAh
(Non removable)
What's the better phone? LG G8X ThinQ (G850UM9)
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!
17 Advantages 
6 Advantages | 32 Common items in both devices |
| UFS 2.1 |
| Until 1TB microSD, microSDXC |
| Aluminum frame, glass front/back |
| 60Hz |
| 16 million |
| Only digital zoom |
| PDAF: phase detection autofocus |
| +25 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 | ||
| LG G8X ThinQ (G850UM9) | Asus Zenfone 5Z (ZS621KL 256GB) | |
| Model | G8X ThinQ (G850UM9) | Zenfone 5Z (ZS621KL 256GB) |
| Other model names | LG G8X ThinQ Dual Screen (Sprint) LM-G850UM9,LMG850UM9ASPRBK | Asus Zenfone 5z 8GB RAM (ZS621KL), ASUS_Z01RD |
| Country or region available |  USA |  India |
| Brand | LG | Asus |
| Release date | 11/1/2019, Announced: 9/6/2019 | 6/1/2018 |
| Depth | 8.4 millimeters (0.33 inches) | 7.9 millimeters (0.31 inches) |
| Size (width x height) | 75.8 x 159.3 millimeters (2.98 x 6.27 in) | 75.65 x 153 millimeters (2.98 x 6.02 in) |
| Weight | 192 grams (6.72 ounces) | 165 grams (5.78 ounces) |
| Build, materials | Aluminum frame, glass front/back | Aluminum frame, glass front/back |
| Protection against water and others | IP68 certified: dust/waterproof over 1.5 meters and 30min. MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. | Not supported |
📲 Display | ||
| LG G8X ThinQ (G850UM9) | Asus Zenfone 5Z (ZS621KL 256GB) | |
| Display type | OLED | TFT IPS LCD |
| Screen size | 6.4" inches | 6.2" inches |
| Screen-to-body ratio | ~83.3% (screen-to-body ratio) | ~83.7% (screen-to-body ratio) |
| Display resolution | 1080x2340 pixels (19.5:9) | 1080x2246 pixels (18.7:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 403 PPI | 402 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 6 | Gorilla Glass |
| Refresh rate | 60Hz | 60Hz |
| Display features | HDR10 Always-On Display DCI-P3 100% | 550nits[typ] |
🤖 Operating System | ||
| LG G8X ThinQ (G850UM9) | Asus Zenfone 5Z (ZS621KL 256GB) | |
| System version | Android 9.0 Pie | Android 8.0 Oreo |
| Firmware update | Android 10 | Android 10 |
| User Interface | LG UX 9.0 | feature not registered |
⚙️ Processor | ||
| LG G8X ThinQ (G850UM9) | Asus Zenfone 5Z (ZS621KL 256GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 855 (SM8150) (7nm) | 64bit: Qualcomm Snapdragon 845 MSM8998 (10nm) |
| CPU | Octa-core, 3 processors: 1x 2.84GHz Kryo 485 (Single-core) 3x 2.42GHz Kryo 485 (Triple-core) 4x 1.78GHz Kryo 485 (Quad-core) | Octa-core, 2 processors: 4x 2.7GHz Kryo 385 Gold (Quad-core) 4x 1.7GHz Kryo 385 Silver (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 640 (585MHz) | Qualcomm Adreno 630 710Mhz |
| Performance (benchmark) | AnTuTu: 339726 (v7), 411980 (v8) Geekbench: 11251 (v4.4), 2870 (v5.1) GFXBench: 38fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
| LG G8X ThinQ (G850UM9) | Asus Zenfone 5Z (ZS621KL 256GB) | |
| RAM memory | 6GB LPDDR4X | 8GB LPDDR4X |
| Internal storage | 128GB (104GB available) UFS 2.1 | 256GB (240GB available) UFS 2.1 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| LG G8X ThinQ (G850UM9) | Asus Zenfone 5Z (ZS621KL 256GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 2000/75 Mbps | 800/100 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | CDMA 800/1900, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 | UMTS 800/850/900 |
| Primary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 66, 71) TD-LTE (40, 41, 46) VoLTE | LTE Cat15 (Bands 1,2,3,5,7,8,18,19,20,26,28) TD-LTE (Bands 38,39,40,41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
| LG G8X ThinQ (G850UM9) | Asus Zenfone 5Z (ZS621KL 256GB) | |
| Back camera (main camera) | (dual camera) 12 megapixels 13MP ultrawide f/2.49mm1.0µm | (dual camera) 12 megapixels 8MP ultrawide f/2.012mm1/4"1.12µmFF |
| Main camera resolution | 4000x3000 pixels | 4000x3000 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 60 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
| Focal length | 27mm lens | 24mm lens |
| Sensor size | 1/2.55" inches | 1/2.55" inches |
| Pixel size | 1.4µm pixel | 1.4µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | OIS (4-axis): Optical stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo on both cameras | HDR photo on both cameras |
| Camera extras | 4K@30/60fps 1080p@30/60/240fps | feature not registered |
📸 Front camera | ||
| LG G8X ThinQ (G850UM9) | Asus Zenfone 5Z (ZS621KL 256GB) | |
| Front camera (secondary) | 32 megapixels | 8 megapixels |
| Front camera resolution | 6528x4896 pixels | 3264x2448 pixels |
| Video recording (secondary) | 4K UHD (3840x2160) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/1.9 (aperture) | f/2.0 (aperture) |
| Focal length | 26mm lens | 24mm lens |
| Sensor size | 1/2.8" inches | 1/4" inches |
| Pixel size | 0.8µm pixel | 1.12µm pixel |
🔉 Sound and multimedia | ||
| LG G8X ThinQ (G850UM9) | Asus Zenfone 5Z (ZS621KL 256GB) | |
| Loudspeaker | Stereo sound 32-bit/192kHz Tuned by Meridian | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, OGG, eAAC+, FLAC |
🔌 Connectivity | ||
| LG G8X ThinQ (G850UM9) | Asus Zenfone 5Z (ZS621KL 256GB) | |
| USB | USB 3.1 Type-C, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| LG G8X ThinQ (G850UM9) | Asus Zenfone 5Z (ZS621KL 256GB) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG G8X ThinQ (G850UM9) | Asus Zenfone 5Z (ZS621KL 256GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 4000 mAh | 3300 mAh |
| Charger, watts | 21W Wired fast charging Quick Charge 3 USB Power Delivery 2.0 | 18W (9V/2A) Wired fast charging |
| Inductive / wireless charging | 9W Qi wireless charging | Not supported |
| Talk time autonomy | 30 hours (1.3 days) | 25 hours (1 days) |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| LG G8X ThinQ (G850UM9) | Asus Zenfone 5Z (ZS621KL 256GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder |
| 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: New Aurora Black • Screen case (foldable) | • 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) |
☢️ Radiation rate | ||
| LG G8X ThinQ (G850UM9) | Asus Zenfone 5Z (ZS621KL 256GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.04W/kg (head), 0.37W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 1.2W/kg (head), 1.477W/kg (body) |