Huawei P Smart 2021 (L02B) vs LG X400 (K121L)
Side by side comparison between Huawei P Smart (2021) vs LG X400 phones, differences, pros, cons and full specifications. What's the better?
,
6.67"
IPS
IPS
1080x2400
48
MP
MP
8mp
4GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
5.3"
IPS
IPS
720x1280
13
MP
MP
5mp
2GB
RAM
RAM
Octa-core
2800
mAh
mAh
(Removable)
What's the better phone? Huawei P Smart 2021 (L02B)
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!
18 Advantages 
5 Advantages | 27 Common items in both devices |
| Plastic body, glass front |
| TFT IPS LCD |
| 16 million |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| EIS: Digital stabilization |
| +20 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 | ||
| Huawei P Smart 2021 (L02B) | LG X400 (K121L) | |
| Model | Huawei P Smart 2021 (L02B) | X400 (K121L) |
| Other model names | Huawei P Smart 2021 (PPA-L02B, Peppa-L02B, LX2) Single-SIM | LG U+ X400, LGM-K121L, LGMK121L (LG Uplus) |
| Country or region available |  South Africa |  South Korea |
| Brand | Huawei | LG |
| Release date | 9/28/2020 | 2/1/2017 |
| Depth | 9.26 millimeters (0.36 inches) | 8 millimeters (0.31 inches) |
| Size (width x height) | 76.88 x 165.65 millimeters (3.03 x 6.52 in) | 75.29 x 148.7 millimeters (2.96 x 5.85 in) |
| Weight | 206 grams (7.21 ounces) | 142 grams (4.97 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Huawei P Smart 2021 (L02B) | LG X400 (K121L) | |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 6.67" inches | 5.3" inches |
| Screen-to-body ratio | ~84.3% (screen-to-body ratio) | ~69.2% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 395 PPI | 277 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Huawei P Smart 2021 (L02B) | LG X400 (K121L) | |
| System version | Android 10 | Android 7.0 Nougat |
| Firmware update | feature not registered | Android 8.0 Oreo |
| User Interface | EMUI 10.1 | feature not registered |
⚙️ Processor | ||
| Huawei P Smart 2021 (L02B) | LG X400 (K121L) | |
| Chipset | 64bit: HiSilicon Kirin 710A (14nm) | 64bit: MediaTek MT6750 (28nm) |
| CPU | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A73 (Quad-core) 4x 1.7GHz ARM Cortex-A53 (Quad-core) | Octa-core, 2 processors: 4x 1.5GHz ARM Cortex-A53 (Quad-core) 4x 1GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | ARM Mali-G51 MP4 | ARM Mali-T860 MP2 520Mhz |
| Performance (benchmark) | AnTuTu: 169253 (v8) Geekbench: 1334 (v5.1) GFXBench: 7fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
| Huawei P Smart 2021 (L02B) | LG X400 (K121L) | |
| RAM memory | 4GB LPDDR4 | 2GB LPDDR3 |
| Internal storage | 128GB (110GB available) eMMC 5.1 | 32GB (22GB available) |
| External storage | Until 512GB microSD, microSDXC (dedicated slot) | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Huawei P Smart 2021 (L02B) | LG X400 (K121L) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 400/50 Mbps | 300/50 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 | Tri-Band 900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 900/1800/1900 |
| Primary 3G network | UMTS 850/900/1900/2100 | UMTS 2100 |
| Primary 4G network | LTE Cat6 (1, 3, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) | LTE Cat6 850/900/1800/2100/2600 (Bands 1,3,5,7,8) VoLTE |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A |
| Secondary 2G network | Not supported | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | Not supported |
📷 Camera | ||
| Huawei P Smart 2021 (L02B) | LG X400 (K121L) | |
| Back camera (main camera) | (quad camera) 48 megapixels 8MP ultrawide f/2.4120°1/4"1.12µm 2MP macro f/2.4 2MP depth f/2.4 | 13 megapixels |
| Main camera resolution | 8000x6000 pixels | 4160x3120 pixels |
| Video recording (primary) | Full HD (1920x1080) 60 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/2.2 (aperture) |
| Focal length | 26mm (lens) | feature not registered |
| Sensor size | 1/2" inches | 1/3" inches |
| Pixel size | 0.8µm pixel | 1.12µm pixel |
| Autofocus | PDAF: phase detection autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital 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 | Not supported |
| HDR | HDR photo on both cameras | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Huawei P Smart 2021 (L02B) | LG X400 (K121L) | |
| Front camera (secondary) | 8 megapixels | 5 megapixels |
| Front camera resolution | 3264x2448 pixels | 2560x1920 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.4 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/5" inches |
| Pixel size | feature not registered | 1.12µm pixel |
🔉 Sound and multimedia | ||
| Huawei P Smart 2021 (L02B) | LG X400 (K121L) | |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | FM (RDS) |
| TV | Not supported | Digital TV |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Huawei P Smart 2021 (L02B) | LG X400 (K121L) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.1 + A2DP/LE | 4.2 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Huawei P Smart 2021 (L02B) | LG X400 (K121L) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Proximity sensor | Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Huawei P Smart 2021 (L02B) | LG X400 (K121L) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 5000 mAh | 2800 mAh |
| Charger, watts | 22.5W Wired fast charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | 38 hours (1.6 days) | 9 hours |
| Standby | feature not registered | 390 hours (16.3 days) |
➕ Other features | ||
| Huawei P Smart 2021 (L02B) | LG X400 (K121L) | |
| 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 Black, Crush Green, Blush Gold • Protective film included • Protective cover included | • Colors: Black, Gold • 2.5D Arc Glass screen • LG UX 5.0 • Wide-angle 120° front camera • KnockOn, Knock Code • DMB-TV (Korea) |
☢️ Radiation rate | ||
| Huawei P Smart 2021 (L02B) | LG X400 (K121L) | |
| 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 |