📱 Model features |
| Huawei Mate 20 X (L29 128GB) | LG K51 (K500UMT3) |
| Model | Mate 20 X (L29 128GB) | K51 (K500UMT3) |
| Other model names | Huawei Mate 20X EVR-L29 (Global) 6GB RAM, Huawei Everest | LG K51 (T-Mobile) LMK500UMT3ATMOTN, LM-K500UMT3 |
| Country or region available | 
(Global, International) | 
USA |
| Brand | Huawei | LG |
| Release date | 11/1/2018 | 5/1/2020 |
| Depth | 8.15 millimeters (0.32 inches) | 8.47 millimeters (0.33 inches) |
| Size (width x height) | 85.4 x 174.6 millimeters (3.36 x 6.87 in) | 77.92 x 166.96 millimeters (3.07 x 6.57 in) |
| Weight | 232 grams (8.12 ounces) | 204 grams (7.14 ounces) |
| Build, materials | Aluminum frame, glass front/back | Plastic body, glass front |
| Protection against water and others | IP53 certified: protection against dust and splashing | MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. |
🤖 Operating System |
| Huawei Mate 20 X (L29 128GB) | LG K51 (K500UMT3) |
| System version | Android 9.0 Pie | Android 10 |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor |
| Huawei Mate 20 X (L29 128GB) | LG K51 (K500UMT3) |
| Chipset | 64bit: HiSilicon Kirin 980 (7nm) | 64bit: MediaTek Helio P22 (MT6762) (12nm) |
| CPU | Octa-core, 3 processors:
2x 2.26GHz ARM Cortex-A76 (Dual-core)
2x 1.92GHz ARM Cortex-A76 (Dual-core)
4x 1.8GHz ARM Cortex-A55 (Quad-core) | Octa-core, 2 processors:
4x 2GHz ARM Cortex-A53 (Quad-core)
4x 1.5GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | ARM Mali-G76 MP10 720Mhz | PowerVR GE8320 (650MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage |
| Huawei Mate 20 X (L29 128GB) | LG K51 (K500UMT3) |
| RAM memory | 6GB LPDDR4X | 3GB LPDDR3 |
| Internal storage | 128GB (110GB available) | 32GB (18GB available)
eMMC 5.1 |
| External storage | Until 256GB nano-Memory
(hybrid slot/shares the same SIM-2 slot) | Until 1TB microSD, microSDXC
(dedicated slot) |
📲 Display |
| Huawei Mate 20 X (L29 128GB) | LG K51 (K500UMT3) |
| Display type | AMOLED | TFT IPS LCD |
| Screen size | 7.2" inches | 6.5" inches |
| Screen-to-body ratio | ~87.6% (screen-to-body ratio) | ~79.7% (screen-to-body ratio) |
| Display resolution | 1080x2244 pixels | 720x1560 pixels (19.5:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 346 PPI | 264 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Panda King Glass |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
📶 Mobile networks |
| Huawei Mate 20 X (L29 128GB) | LG K51 (K500UMT3) |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same nano-Memory slot) | Not supported |
| SIM card | 2 slots (Dual-SIM)
nano-SIM (4FF) | 1 slot (Single-SIM)
nano-SIM (4FF) |
| Maximum Download / Upload | 1400/200 Mbps | 300/50 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
| 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 | GSM 850/900/1800/1900 |
| Primary 3G network | TD-SCDMA 1900/2000
UMTS 800/850/900/1700/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat21 (Bands 1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 17, 18, 19, 20, 26)
TD-LTE (Bands 34, 38, 39, 40)
VoLTE | LTE Cat6 (1, 2, 3, 4, 5, 7, 12, 13, 20, 25, 26, 66, 71)
TD-LTE (38, 41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | UMTS 800/850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat21 (Bands 1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 17, 18, 19, 20, 26)
TD-LTE (Bands 34, 38, 39, 40) | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | Not supported |
📷 Camera |
| Huawei Mate 20 X (L29 128GB) | LG K51 (K500UMT3) |
| Back camera (main camera) | (triple camera)
40 megapixels
20MP ultrawidef/2.216mm1/2.7"PDAF
8MP telephotof/2.41/4"80mmPDAFOIS5x-optical-zoom | (triple camera)
13 megapixels
5MP ultrawidef/2.21.12μm1/5"115°
2MP depthf/2.41.75μm1/5"85° |
| Main camera resolution | 7296x5472 pixels | 4128x3096 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
| Focal length | 27mm lens | 26mm lens |
| Sensor size | 1/1.7" inches | 1/3" inches |
| Pixel size | feature not registered | 1.12µm pixel |
| Autofocus | LDAF/PDAF: laser/phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
| Zoom | Digital and optical zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo on both cameras | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera |
| Huawei Mate 20 X (L29 128GB) | LG K51 (K500UMT3) |
| Front camera (secondary) | 24 megapixels | 13 megapixels |
| Front camera resolution | 5632x4224 pixels | 4128x3096 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.0 (aperture) |
| Focal length | 26mm lens | feature not registered |
| Sensor size | feature not registered | 1/3" inches |
| Pixel size | feature not registered | 1.12µm pixel |
🔉 Sound and multimedia |
| Huawei Mate 20 X (L29 128GB) | LG K51 (K500UMT3) |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, DivX, XviD, WMV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity |
| Huawei Mate 20 X (L29 128GB) | LG K51 (K500UMT3) |
| 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 SlimPort® | 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) + MIMO
WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Not supported |
| Infrared port | Supported | Not supported |
🧭 Sensors |
| Huawei Mate 20 X (L29 128GB) | LG K51 (K500UMT3) |
| Sensors | Accelerometer
Ambient Light sensor
Barometer
Compass
Face unlock
Fingerprint sensor (rear-mounted)
Gyroscope
Hall effect
Proximity sensor | Accelerometer
Ambient Light sensor
Compass
Fingerprint sensor (rear-mounted)
Gyroscope
Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery |
| Huawei Mate 20 X (L29 128GB) | LG K51 (K500UMT3) |
| Battery type | LiPo: Li-Ion polymer (Non removable) | LiPo: Li-Ion polymer (Non removable) |
| Battery capacity | 5000 mAh | 4000 mAh |
| Charger, watts | 22.5W Wired fast charging | 10W (5V/2A) Wired charging |
| Wireless charging | feature not registered | Not supported |
| Talk time autonomy | feature not registered | 21 hours |
| Standby | feature not registered | 576 hours (24 days) |
➕ Other features |
| Huawei Mate 20 X (L29 128GB) | LG K51 (K500UMT3) |
| 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: Midnight Blue, Phantom Silver
• EMUI 9.0
• 18.7:9 / DCI-P3 / HDR10 display
• Leica camera lens
• 32-bit/384kHz audio
• Dolby Atmos sound | • Colors: Titan gray
• Google Assistant
• DTS:X 3D sound surround
• HAC M3/T3 |
☢️ Radiation rate |
| Huawei Mate 20 X (L29 128GB) | LG K51 (K500UMT3) |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |