Samsung Galaxy A12 (SM-A125F 128GB/4GB) vs LG X400 (K121K)
Side by side comparison between Samsung Galaxy A12 vs LG X400 phones, differences, pros, cons and full specifications. What's the better?
,
6.5"
PLS
PLS
720x1600
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? Samsung Galaxy A12 (SM-A125F 128GB/4GB)
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!
15 Advantages 
11 Advantages | 19 Common items in both devices |
| Plastic body, glass front |
| 16 million |
| LED flash |
| Only digital zoom |
| Autofocus |
| EIS: Digital stabilization |
| Full HD (1920x1080) |
| +12 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 | ||
| Galaxy A12 (SM-A125F 128GB/4GB) | LG X400 (K121K) | |
| Model | Galaxy A12 (SM-A125F 128GB/4GB) | X400 (K121K) |
| Other model names | Galaxy A12 SM-A125F Single-Sim (128GB + 4GB RAM) | KT LG X400, LGM-K121K, LGMK121K (Korea Telecom) |
| Country or region available |   Australia, New Zealand |  South Korea |
| Brand | Samsung | LG |
| Release date | 12/21/2020, Announced: 11/24/2020 | 2/1/2017 |
| Depth | 8.9 millimeters (0.35 inches) | 8 millimeters (0.31 inches) |
| Size (width x height) | 75.8 x 164 millimeters (2.98 x 6.46 in) | 75.29 x 148.7 millimeters (2.96 x 5.85 in) |
| Weight | 205 grams (7.18 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 | ||
| Galaxy A12 (SM-A125F 128GB/4GB) | LG X400 (K121K) | |
| Display type | TFT PLS | TFT IPS LCD |
| Screen size | 6.5" inches | 5.3" inches |
| Screen-to-body ratio | ~82.1% (screen-to-body ratio) | ~69.2% (screen-to-body ratio) |
| Display resolution | 720x1600 pixels (20:9) | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 270 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 | ||
| Galaxy A12 (SM-A125F 128GB/4GB) | LG X400 (K121K) | |
| System version | Android 10 | Android 7.0 Nougat |
| Firmware update | Android 11 | Android 8.0 Oreo |
| User Interface | One UI 3.1 | feature not registered |
⚙️ Processor | ||
| Galaxy A12 (SM-A125F 128GB/4GB) | LG X400 (K121K) | |
| Chipset | 64bit: MediaTek Helio P35 (MT6765) (12nm) | 64bit: MediaTek MT6750 (28nm) |
| CPU | Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A53 (Quad-core) 4x 1.8GHz 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 | PowerVR GE8320 MP2 (680MHz) | ARM Mali-T860 MP2 520Mhz |
| Performance (benchmark) | AnTuTu: 108503 (v8) Geekbench: 1022 (v5.4) GFXBench: 5fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
| Galaxy A12 (SM-A125F 128GB/4GB) | LG X400 (K121K) | |
| RAM memory | 4GB LPDDR4X | 2GB LPDDR3 |
| Internal storage | 128GB (106GB available) eMMC 5.1 | 32GB (22GB available) |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy A12 (SM-A125F 128GB/4GB) | LG X400 (K121K) | |
| 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 | 150/50 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 850/900/2100 | UMTS 2100 |
| Primary 4G network | LTE Cat4 (1, 3, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE | 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 | 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 | ||
| Galaxy A12 (SM-A125F 128GB/4GB) | LG X400 (K121K) | |
| Back camera (main camera) | (quad camera) 48 megapixels 5MP ultrawide f/2.2123° 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) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.0 (aperture) | f/2.2 (aperture) |
| Focal length | 26mm lens | feature not registered |
| Sensor size | feature not registered | 1/3" inches |
| Pixel size | feature not registered | 1.12µm pixel |
| Autofocus | 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 | ||
| Galaxy A12 (SM-A125F 128GB/4GB) | LG X400 (K121K) | |
| 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/2.2 (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 | ||
| Galaxy A12 (SM-A125F 128GB/4GB) | LG X400 (K121K) | |
| 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 | ||
| Galaxy A12 (SM-A125F 128GB/4GB) | LG X400 (K121K) | |
| USB | USB 2.0 Type-C reversible connector | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 5.0 + 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, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy A12 (SM-A125F 128GB/4GB) | LG X400 (K121K) | |
| Sensors | Accelerometer Face unlock Fingerprint sensor (side-mounted) Virtual ambient light sensor Virtual proximity sensor | Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy A12 (SM-A125F 128GB/4GB) | LG X400 (K121K) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 5000 mAh | 2800 mAh |
| Charger, watts | 15W Wired fast charging | 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 | ||
| Galaxy A12 (SM-A125F 128GB/4GB) | 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: Black, White, Blue, Red | • 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 | ||
| Galaxy A12 (SM-A125F 128GB/4GB) | LG X400 (K121K) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.673W/kg (head), 1.377W/kg (body) | feature not registered |