LG X400 (K121S) vs Asus Zenfone 6 (ZS630KL 256GB)
Side by side comparison between LG X400 vs Asus Zenfone 6 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
6.4"
IPS
IPS
1080x2340
48
MP
MP
48mp
8GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? Asus Zenfone 6 (ZS630KL 256GB)
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!
19 Common items in both devices |
TFT IPS LCD |
16 million |
Only digital zoom |
Autofocus / LDAF/PDAF: laser/phase detection autofocus |
EIS: Digital stabilization |
4G LTE-A |
Capacitive |
+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 | ||
LG X400 (K121S) | Asus Zenfone 6 (ZS630KL 256GB) | |
Model | X400 (K121S) | Zenfone 6 (ZS630KL 256GB) |
Other model names | SKT LG X400, LGM-K121S, LGMK121S (SK Telecom) | Asus Zenfone 6 2019 (8GB RAM) ASUS_I01WD, ZS630KL, I01WD |
Country or region available | South Korea | (Global, International) |
Brand | LG | Asus |
Release date | 2/1/2017 | 5/16/2019 |
Depth | 8 millimeters (0.31 inches) | 9.2 millimeters (0.36 inches) |
Size (width x height) | 75.29 x 148.7 millimeters (2.96 x 5.85 in) | 75.4 x 159.1 millimeters (2.97 x 6.26 in) |
Weight | 142 grams (4.97 ounces) | 190 grams (6.65 ounces) |
Build, materials | Plastic body, glass front | Aluminum frame, glass front/back |
Protection against water and others | Not supported | Not supported |
📲 Display | ||
LG X400 (K121S) | Asus Zenfone 6 (ZS630KL 256GB) | |
Display type | TFT IPS LCD | TFT IPS LCD |
Screen size | 5.3" inches | 6.4" inches |
Screen-to-body ratio | ~69.2% (screen-to-body ratio) | ~83.8% (screen-to-body ratio) |
Display resolution | 720x1280 pixels | 1080x2340 pixels (19.5:9) |
Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
Pixel density (dot pitch) | 277 PPI | 403 PPI |
Colors | 16 million | 16 million |
Scratch-resistant glass | Not supported | Gorilla Glass 6 |
Refresh rate | feature not registered | 60Hz |
Display features | feature not registered | 600nits[peak] HDR10 |
🤖 Operating System | ||
LG X400 (K121S) | Asus Zenfone 6 (ZS630KL 256GB) | |
System version | Android 7.0 Nougat | Android 9.0 Pie |
Firmware update | Android 8.0 Oreo | feature not registered |
User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
LG X400 (K121S) | Asus Zenfone 6 (ZS630KL 256GB) | |
Chipset | 64bit: MediaTek MT6750 (28nm) | 64bit: Qualcomm Snapdragon 855 (SM8150) (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: 1x 2.84GHz Kryo 485 (Single-core) 3x 2.42GHz Kryo 485 (Triple-core) 4x 1.78GHz Kryo 485 (Quad-core) |
GPU graphical controller | ARM Mali-T860 MP2 520Mhz | Qualcomm Adreno 640 (585MHz) |
Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
LG X400 (K121S) | Asus Zenfone 6 (ZS630KL 256GB) | |
RAM memory | 2GB LPDDR3 | 8GB LPDDR4X |
Internal storage | 32GB (22GB available) | 256GB (242GB available) UFS 2.1 |
External storage | Until 256GB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
LG X400 (K121S) | Asus Zenfone 6 (ZS630KL 256GB) | |
Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
Maximum Download / Upload | 300/50 Mbps | 1200/150 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 | A version: UMTS 850/900/1900/2100 B, C version: 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 Cat18 VoLTE A version: LTE (Bands 1, 2, 3, 5, 7, 8, 20, 28) TD-LTE (Bands 38, 40, 41) B version: LTE (Bands 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28) TD-LTE (Bands 38, 39, 41, 46) C version: LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 26, 28) TD-LTE (Bands 38, 39, 41, 46) |
Primary 5G network | Not supported | Not supported |
Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
Secondary 3G network | Not supported | Not supported |
Secondary 4G network | Not supported | Not supported |
Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
LG X400 (K121S) | Asus Zenfone 6 (ZS630KL 256GB) | |
Back camera (main camera) | 13 megapixels | (dual camera) 48 megapixels 13MP ultrawide f/2.411mm |
Main camera resolution | 4160x3120 pixels | 8000x6000 pixels |
Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 60 fps |
Flash | LED flash | Dual-LED flash |
Focal aperture | f/2.2 (aperture) | f/1.8 (aperture) |
Focal length | feature not registered | 26mm lens |
Sensor size | 1/3" inches | 1/2" inches |
Pixel size | 1.12µm pixel | 0.8µm pixel |
Autofocus | Autofocus | LDAF/PDAF: laser/phase detection 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 only main camera | HDR photo on both cameras |
Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
LG X400 (K121S) | Asus Zenfone 6 (ZS630KL 256GB) | |
Front camera (secondary) | 5 megapixels | Uses the back motorized camera (flip-up/rotating) |
Front camera resolution | 2560x1920 pixels | 8000x6000 pixels |
Video recording (secondary) | Full HD (1920x1080) | 4K UHD (3840x2160) |
Front flash | Not supported | Dual-LED flash |
Focal aperture | f/2.4 (aperture) | f/1.8 (aperture) |
Focal length | feature not registered | 26mm lens |
Sensor size | 1/5" inches | 1/2" inches |
Pixel size | 1.12µm pixel | 0.8µm pixel |
🔉 Sound and multimedia | ||
LG X400 (K121S) | Asus Zenfone 6 (ZS630KL 256GB) | |
Loudspeaker | Supported | Supported |
Active noise cancellation | 2 microphones or more | 2 microphones or more |
Radio | FM (RDS) | FM |
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) | Asus Zenfone 6 (ZS630KL 256GB) | |
USB | MicroUSB 2.0, USB OTG On-The-Go | USB 2.0 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) | Asus Zenfone 6 (ZS630KL 256GB) | |
Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor |
Vibrating alert | Supported | Supported |
🔋 Battery | ||
LG X400 (K121S) | Asus Zenfone 6 (ZS630KL 256GB) | |
Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) |
Battery capacity | 2800 mAh | 5000 mAh |
Charger, watts | Wired charging | 18W (9V/2A) Wired fast charging |
Inductive / wireless charging | feature not registered | feature not registered |
Talk time autonomy | 9 hours | 33 hours (1.4 days) |
Standby | 390 hours (16.3 days) | 624 hours (26 days) |
➕ Other features | ||
LG X400 (K121S) | Asus Zenfone 6 (ZS630KL 256GB) | |
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: Midnight Black, Twilight Silver • 19.5:9, HDR10, DCI-P3 100% display • Quick Charge 4.0 • 24-bit/192kHz audio • DTS Headphone X • Motorized flip-up main/selfie camera • Google Pay |
☢️ Radiation rate | ||
LG X400 (K121S) | Asus Zenfone 6 (ZS630KL 256GB) | |
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 |