LG X400 (K121S) vs Huawei P30 (L29 128GB/8GB)
Side by side comparison between LG X400 vs Huawei P30 phones, differences, pros, cons and full specifications. What's the better?
,
5.3"
IPS
IPS
720x1280
13
MP
MP
5mp
2GB
RAM
RAM
Octa-core
2800
mAh
mAh
(Removable)
vs
6.1"
OLED
OLED
1080x2340
40
MP
MP
32mp
8GB
RAM
RAM
Octa-core
3650
mAh
mAh
(Non removable)
What's the better phone? Huawei P30 (L29 128GB/8GB)
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!
4 Advantages 
29 Advantages | 21 Common items in both devices |
| Until 256GB microSD, microSDXC / Until 256GB nano-Memory |
| 16 million |
| Autofocus / LDAF/PDAF: laser/phase detection autofocus |
| EIS: Digital stabilization |
| (front) Full HD (1920x1080) |
| 4G LTE-A |
| Capacitive |
| +14 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 X400 (K121S) | Huawei P30 (L29 128GB/8GB) | |
| Model | X400 (K121S) | P30 (L29 128GB/8GB) |
| Other model names | SKT LG X400, LGM-K121S, LGMK121S (SK Telecom) | Huawei P30 ELE-L29 (8GB RAM) Dual-sim, Huawei Elle |
| Country or region available |  South Korea |  (Global, International) |
| Brand | LG | Huawei |
| Release date | 2/1/2017 | 3/26/2019 |
| Depth | 8 millimeters (0.31 inches) | 7.57 millimeters (0.3 inches) |
| Size (width x height) | 75.29 x 148.7 millimeters (2.96 x 5.85 in) | 71.36 x 149.1 millimeters (2.81 x 5.87 in) |
| Weight | 142 grams (4.97 ounces) | 165 grams (5.78 ounces) |
| Build, materials | Plastic body, glass front | Aluminum frame, glass front/back |
| Protection against water and others | Not supported | IP53 certified: protection against dust and splashing |
📲 Display | ||
| LG X400 (K121S) | Huawei P30 (L29 128GB/8GB) | |
| Display type | TFT IPS LCD | OLED |
| Screen size | 5.3" inches | 6.1" inches |
| Screen-to-body ratio | ~69.2% (screen-to-body ratio) | ~85.8% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels | 1080x2340 pixels (19.5:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 277 PPI | 422 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | HDR10 |
🤖 Operating System | ||
| LG X400 (K121S) | Huawei P30 (L29 128GB/8GB) | |
| System version | Android 7.0 Nougat | Android 9.0 Pie |
| Firmware update | Android 8.0 Oreo | Android 10 |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| LG X400 (K121S) | Huawei P30 (L29 128GB/8GB) | |
| Chipset | 64bit: MediaTek MT6750 (28nm) | 64bit: HiSilicon Kirin 980 (7nm) |
| CPU | Octa-core, 2 processors: 4x 1.5GHz ARM Cortex-A53 (Quad-core) 4x 1GHz ARM Cortex-A53 (Quad-core) | Octa-core, 3 processors: 2x 2.6GHz ARM Cortex-A76 (Dual-core) 2x 1.92GHz ARM Cortex-A76 (Dual-core) 4x 1.8GHz ARM Cortex-A55 (Quad-core) |
| GPU graphical controller | ARM Mali-T860 MP2 520Mhz | ARM Mali-G76 MP10 720Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| LG X400 (K121S) | Huawei P30 (L29 128GB/8GB) | |
| RAM memory | 2GB LPDDR3 | 8GB LPDDR4X |
| Internal storage | 32GB (22GB available) | 128GB (109GB available) UFS 2.1 |
| External storage | Until 256GB microSD, microSDXC (dedicated slot) | Until 256GB nano-Memory (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| LG X400 (K121S) | Huawei P30 (L29 128GB/8GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same nano-Memory slot) |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 300/50 Mbps | 1400/200 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Tri-Band 900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 2100 | TD-SCDMA 1900/2000 UMTS 800/850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat6 850/900/1800/2100/2600 (Bands 1,3,5,7,8) VoLTE | LTE Cat21 (Bands 1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 17, 18, 19, 20, 26, 28, 32) TD-LTE (Bands 34, 38, 39, 40) VoLTE |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A | GPRS, EDGE, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 800/850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat21 (Bands 1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 17, 18, 19, 20, 26, 28) TD-LTE (Bands 34, 38, 39, 40) |
| Secondary data network | Not supported | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
📷 Camera | ||
| LG X400 (K121S) | Huawei P30 (L29 128GB/8GB) | |
| Back camera (main camera) | 13 megapixels | (triple camera) 40 megapixels 16MP ultrawide f/2.217mmPDAF/LaserAF 8MP telephoto f/2.480mm1/4"3x-optical-zoomPDAF/LaserAFOIS |
| Main camera resolution | 4160x3120 pixels | 7296x5472 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | f/2.2 (aperture) | f/1.8 (aperture) |
| Focal length | feature not registered | 27mm (lens) |
| Sensor size | 1/3" inches | 1/1.7" inches |
| Pixel size | 1.12µm pixel | feature not registered |
| Autofocus | Autofocus | LDAF/PDAF: laser/phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Digital and optical zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Supported |
| HDR | HDR photo only main camera | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| LG X400 (K121S) | Huawei P30 (L29 128GB/8GB) | |
| Front camera (secondary) | 5 megapixels | 32 megapixels |
| Front camera resolution | 2560x1920 pixels | 6528x4896 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.4 (aperture) | f/2.0 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/5" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| LG X400 (K121S) | Huawei P30 (L29 128GB/8GB) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM (RDS) | Not supported |
| TV | Digital TV | Not supported |
| Video formats | MP4, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| LG X400 (K121S) | Huawei P30 (L29 128GB/8GB) | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | USB 3.1 Type-C reversible connector |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.2 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| LG X400 (K121S) | Huawei P30 (L29 128GB/8GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG X400 (K121S) | Huawei P30 (L29 128GB/8GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 2800 mAh | 3650 mAh |
| Charger, watts | Wired charging | 22.5W (5V/4.5A) Wired fast charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 9 hours | feature not registered |
| Standby | 390 hours (16.3 days) | feature not registered |
➕ Other features | ||
| LG X400 (K121S) | Huawei P30 (L29 128GB/8GB) | |
| Call control | Voice dialing, Voice recorder | 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: Black, Gold • 2.5D Arc Glass screen • LG UX 5.0 • Wide-angle 120° front camera • KnockOn, Knock Code • DMB-TV (Korea) | • Colors: Black, White, Aurora, Amber Sunrise, Breathing Crystal • EMUI 9.1 • 19.5:9 ratio display • DCI-P3, HDR10 display • Leica optics on camera • 32-bit/384kHz audio • Dolby Atmos sound • Huawei Pay • Vapor chamber cooling system on processor |
☢️ Radiation rate | ||
| LG X400 (K121S) | Huawei P30 (L29 128GB/8GB) | |
| 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 |