Xiaomi Redmi Note 12 Pro (China 128GB/8GB) vs LG X400 (K121K)
Side by side comparison between Xiaomi Redmi Note 12 Pro vs LG X400 phones, differences, pros, cons and full specifications. What's the better?
,
6.67"
OLED
OLED
1080x2400
50
MP
MP
16mp
8GB
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? Xiaomi Redmi Note 12 Pro (China 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!
29 Advantages 
5 Advantages | 16 Common items in both devices |
| Plastic body, glass front/back / Plastic body, glass front |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| (front) Full HD (1920x1080) |
| Capacitive |
| Multitouch |
| Accelerometer |
| +9 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 | ||
| Redmi Note 12 Pro (China 128GB/8GB) | LG X400 (K121K) | |
| Model | Redmi Note 12 Pro (China 128GB/8GB) | X400 (K121K) |
| Other model names | Redmi Note 12 Pro 5G 22101316C (NFC) | KT LG X400, LGM-K121K, LGMK121K (Korea Telecom) |
| Country or region available |  China |  South Korea |
| Brand | Xiaomi | LG |
| Release date | 11/1/2022, Announced: 10/27/2022 | 2/1/2017 |
| Depth | 7.9 millimeters (0.31 inches) | 8 millimeters (0.31 inches) |
| Size (width x height) | 76 x 162.9 millimeters (2.99 x 6.41 in) | 75.29 x 148.7 millimeters (2.96 x 5.85 in) |
| Weight | 187 grams (6.55 ounces) | 142 grams (4.97 ounces) |
| Build, materials | Plastic body, glass front/back | Plastic body, glass front |
| Protection against water and others | IP53 certified: protection against dust and splashing | Not supported |
📲 Display | ||
| Redmi Note 12 Pro (China 128GB/8GB) | LG X400 (K121K) | |
| Display type | OLED | TFT IPS LCD |
| Screen size | 6.67" inches | 5.3" inches |
| Screen-to-body ratio | ~86.8% (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 | 1 billion | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Not supported |
| Refresh rate | 120Hz | feature not registered |
| Display features | 500nits[typ] Dolby Vision/HDR10+ Touch Sampling Rate: 240Hz | feature not registered |
🤖 Operating System | ||
| Redmi Note 12 Pro (China 128GB/8GB) | LG X400 (K121K) | |
| System version | Android 12 | Android 7.0 Nougat |
| Firmware update | Android 13 | Android 8.0 Oreo |
| User Interface | MIUI 13 / 14 | feature not registered |
⚙️ Processor | ||
| Redmi Note 12 Pro (China 128GB/8GB) | LG X400 (K121K) | |
| Chipset | 64bit: MediaTek Dimensity 1080 (6nm) | 64bit: MediaTek MT6750 (28nm) |
| CPU | Octa-core, 2 processors: 2x 2.6GHz ARM Cortex-A78 (Dual-core) 6x 2GHz ARM Cortex-A55 (Hexa-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-G68 MC4 | ARM Mali-T860 MP2 520Mhz |
| Performance (benchmark) | AnTuTu: 490526 (v9) Geekbench: 2209 (v5.1), 2372 (v6) GFXBench: 22fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
| Redmi Note 12 Pro (China 128GB/8GB) | LG X400 (K121K) | |
| RAM memory | 8GB LPDDR4X | 2GB LPDDR3 |
| Internal storage | 128GB (101GB available) UFS 2.2 | 32GB (22GB available) |
| External storage | Not supported | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Redmi Note 12 Pro (China 128GB/8GB) | LG X400 (K121K) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 2000/1024 Mbps | 300/50 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 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 | CDMA 800, GSM 850/900/1800/1900 | GSM 900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO UMTS 800/850/900/1900/2100 | UMTS 2100 |
| Primary 4G network | LTE Cat13 (1, 3, 5, 8, 19) TD-LTE (34, 38, 39, 40, 41) VoLTE | LTE Cat6 850/900/1800/2100/2600 (Bands 1,3,5,7,8) VoLTE |
| Primary 5G network | SA/NSA (1, 3, 5, 8, 28, 38, 41, 77, 78) | 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, SA/NSA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A |
| Secondary 2G network | CDMA 800, GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | CDMA2000 1xEV-DO UMTS 800/850/900/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat13 (1, 3, 5, 8, 19) TD-LTE (34, 38, 39, 40, 41) VoLTE | Not supported |
| Secondary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | Not supported |
📷 Camera | ||
| Redmi Note 12 Pro (China 128GB/8GB) | LG X400 (K121K) | |
| Back camera (main camera) | (triple camera) 50 megapixels 8MP ultrawide f/2.2120°1/4"1.12µm 2MP macro f/2.4 | 13 megapixels |
| Main camera resolution | 8160x6120 pixels | 4160x3120 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.9 (aperture) | f/2.2 (aperture) |
| Focal length | 24mm lens | feature not registered |
| Sensor size | 1/1.56" inches | 1/3" inches |
| Pixel size | 1µm pixel | 1.12µm pixel |
| Autofocus | PDAF: phase detection autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: 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 | Supported | Not supported |
| HDR | HDR photo on both cameras | HDR photo only main camera |
| Camera extras | 1080p@30/60/120fps 720p@960fps (slow motion) | feature not registered |
📸 Front camera | ||
| Redmi Note 12 Pro (China 128GB/8GB) | LG X400 (K121K) | |
| Front camera (secondary) | 16 megapixels | 5 megapixels |
| Front camera resolution | 4608x3456 pixels | 2560x1920 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.5 (aperture) | f/2.4 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/3.06" inches | 1/5" inches |
| Pixel size | 1µm pixel | 1.12µm pixel |
🔉 Sound and multimedia | ||
| Redmi Note 12 Pro (China 128GB/8GB) | LG X400 (K121K) | |
| Loudspeaker | Stereo sound with dual speakers 24-bit/192kHz Dolby Atmos | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | 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 | ||
| Redmi Note 12 Pro (China 128GB/8GB) | LG X400 (K121K) | |
| 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 | 5.2 + A2DP/LE | 4.2 + A2DP |
| WiFi | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Supported |
| Infrared port | Supported | Not supported |
🧭 Sensors | ||
| Redmi Note 12 Pro (China 128GB/8GB) | LG X400 (K121K) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Redmi Note 12 Pro (China 128GB/8GB) | LG X400 (K121K) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 5000 mAh | 2800 mAh |
| Charger, watts | 67W Wired fast charging USB Power Delivery 3.0 | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | 9 hours |
| Standby | feature not registered | 390 hours (16.3 days) |
➕ Other features | ||
| Redmi Note 12 Pro (China 128GB/8GB) | LG X400 (K121K) | |
| 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: Onyx Black, White, Stardust Purple, Frosted Blue | • 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 | ||
| Redmi Note 12 Pro (China 128GB/8GB) | LG X400 (K121K) | |
| 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 |