LG X400 (K121K) vs Samsung Omnia HD (GT-i8910 16GB)
Side by side comparison between LG X400 vs Samsung Omnia HD 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
3.7"
AMOLED
AMOLED
360x640
8
MP
MP
0.1mp
256MB
RAM
RAM
Single-core
1500
mAh
mAh
(Removable)
What's the better phone? LG X400 (K121K)
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!
27 Advantages 
3 Advantages | 18 Common items in both devices |
| Plastic body, glass front |
| 16 million |
| LED flash |
| Only digital zoom |
| Autofocus |
| EIS: Digital stabilization |
| Capacitive |
| +11 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 (K121K) | Samsung Omnia HD (GT-i8910 16GB) | |
| Model | X400 (K121K) | Omnia HD (GT-i8910 16GB) |
| Other model names | KT LG X400, LGM-K121K, LGMK121K (Korea Telecom) | Samsung GT-i8910 Omnia HD, Samsung Omnia HD i8910 |
| Country or region available |  South Korea |  (Global, International) |
| Brand | LG | Samsung |
| Release date | 2/1/2017 | 5/18/2009 |
| Depth | 8 millimeters (0.31 inches) | 12.9 millimeters (0.51 inches) |
| Size (width x height) | 75.29 x 148.7 millimeters (2.96 x 5.85 in) | 58 x 123 millimeters (2.28 x 4.84 in) |
| Weight | 142 grams (4.97 ounces) | 148 grams (5.18 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| LG X400 (K121K) | Samsung Omnia HD (GT-i8910 16GB) | |
| Display type | TFT IPS LCD | AMOLED |
| Screen size | 5.3" inches | 3.7" inches |
| Screen-to-body ratio | ~69.2% (screen-to-body ratio) | ~52.9% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels | 360x640 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Single touch 1-point |
| Pixel density (dot pitch) | 277 PPI | 198 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| LG X400 (K121K) | Samsung Omnia HD (GT-i8910 16GB) | |
| System version | Android 7.0 Nougat | Symbian 9.4 S60 5th Edition Symbian^1 |
| Firmware update | Android 8.0 Oreo | feature not registered |
| User Interface | feature not registered | TouchWiz UI |
⚙️ Processor | ||
| LG X400 (K121K) | Samsung Omnia HD (GT-i8910 16GB) | |
| Chipset | 64bit: MediaTek MT6750 (28nm) | 32bit: Texas Instruments OMAP 3430 (65nm) |
| CPU | Octa-core, 2 processors: 4x 1.5GHz ARM Cortex-A53 (Quad-core) 4x 1GHz ARM Cortex-A53 (Quad-core) | Single-core, 1 processor: 1x 600MHz ARM Cortex-A8 (Single-core) |
| GPU graphical controller | ARM Mali-T860 MP2 520Mhz | PowerVR SGX530 MP1 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| LG X400 (K121K) | Samsung Omnia HD (GT-i8910 16GB) | |
| RAM memory | 2GB LPDDR3 | 256MB SDRAM |
| Internal storage | 32GB (22GB available) | 16GB (13GB available) |
| External storage | Until 256GB microSD, microSDXC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| LG X400 (K121K) | Samsung Omnia HD (GT-i8910 16GB) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 300/50 Mbps | 7.2/5.76 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G |
| 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 | UMTS 900/2100 |
| Primary 4G network | LTE Cat6 850/900/1800/2100/2600 (Bands 1,3,5,7,8) VoLTE | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A | CSD, GPRS, EDGE, UMTS, HSDPA, HSUPA |
| 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 | ||
| LG X400 (K121K) | Samsung Omnia HD (GT-i8910 16GB) | |
| Back camera (main camera) | 13 megapixels | 8 megapixels |
| Main camera resolution | 4160x3120 pixels | 3264x2448 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | HD (1280x720) 24 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.2 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/3" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
| Autofocus | Autofocus | Autofocus |
| Touch focus | Supported | Not 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 |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo only main camera | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| LG X400 (K121K) | Samsung Omnia HD (GT-i8910 16GB) | |
| Front camera (secondary) | 5 megapixels | 0.1 megapixels |
| Front camera resolution | 2560x1920 pixels | 352x288 pixels |
| Video recording (secondary) | Full HD (1920x1080) | QCIF (176x144) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.4 (aperture) | feature not registered |
| 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 (K121K) | Samsung Omnia HD (GT-i8910 16GB) | |
| Loudspeaker | Supported | Stereo sound Virtual 5.1 channel |
| Active noise cancellation | 2 microphones or more | 1 microphone |
| Radio | FM (RDS) | FM (RDS) |
| TV | Digital TV | Not supported |
| Video formats | MP4, H.264, H.263, XviD, MKV | MP4, DivX, Xvid, H.264, H.263, WMV, RV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WMA, WAV, AAC, RA |
🔌 Connectivity | ||
| LG X400 (K121K) | Samsung Omnia HD (GT-i8910 16GB) | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Proprietary TV-out |
| Bluetooth | 4.2 + A2DP | 2.0 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 b/g [wifi3] (2.4GHz) |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| LG X400 (K121K) | Samsung Omnia HD (GT-i8910 16GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Proximity sensor | Accelerometer Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG X400 (K121K) | Samsung Omnia HD (GT-i8910 16GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 2800 mAh | 1500 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 9 hours | 6.5 hours |
| Standby | 390 hours (16.3 days) | 450 hours (18.8 days) |
➕ Other features | ||
| LG X400 (K121K) | Samsung Omnia HD (GT-i8910 16GB) | |
| Call control | Voice dialing, Voice recorder | Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML |
| 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 • DNSe 2.0 • OpenGL ES 2.0] • QuickOffice • Xtragps • Java framework |
☢️ Radiation rate | ||
| LG X400 (K121K) | Samsung Omnia HD (GT-i8910 16GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.07W/kg (head), 0.65W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.43W/kg (head) |