Samsung Galaxy J1 Ace Duos (3G SM-J110H/DS) vs LG X400 (K121K)
Side by side comparison between Samsung Galaxy J1 Ace vs LG X400 phones, differences, pros, cons and full specifications. What's the better?
,
4.3"
AMOLED
AMOLED
480x800
5
MP
MP
2mp
512MB
RAM
RAM
Dual-core
1800
mAh
mAh
(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? 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!
3 Advantages 
22 Advantages | 18 Common items in both devices |
| Plastic body, glass front |
| 16 million |
| LED flash |
| Only digital zoom |
| Autofocus |
| HDR photo only main camera |
| f/2.2 (aperture) |
| +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 | ||
| Galaxy J1 Ace Duos (3G SM-J110H/DS) | LG X400 (K121K) | |
| Model | Galaxy J1 Ace Duos (3G SM-J110H/DS) | X400 (K121K) |
| Other model names | Galaxy J1 Ace SM-J110H/DD Dual-Sim (3G) | KT LG X400, LGM-K121K, LGMK121K (Korea Telecom) |
| Country or region available |       Saudi Arabia, Kazakhstan, Egypt, United Arab Emirates, India, Pakistan |  South Korea |
| Brand | Samsung | LG |
| Release date | 10/1/2015 | 2/1/2017 |
| Depth | 9.5 millimeters (0.37 inches) | 8 millimeters (0.31 inches) |
| Size (width x height) | 67.6 x 130.1 millimeters (2.66 x 5.12 in) | 75.29 x 148.7 millimeters (2.96 x 5.85 in) |
| Weight | 128 grams (4.48 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 J1 Ace Duos (3G SM-J110H/DS) | LG X400 (K121K) | |
| Display type | Super AMOLED | TFT IPS LCD |
| Screen size | 4.3" inches | 5.3" inches |
| Screen-to-body ratio | ~59.8% (screen-to-body ratio) | ~69.2% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 217 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 J1 Ace Duos (3G SM-J110H/DS) | LG X400 (K121K) | |
| System version | Android 4.4.4 KitKat | Android 7.0 Nougat |
| Firmware update | Android 5.1.1 Lollipop | Android 8.0 Oreo |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy J1 Ace Duos (3G SM-J110H/DS) | LG X400 (K121K) | |
| Chipset | 64bit: Marvell Armada PXA1908 (28nm) | 64bit: MediaTek MT6750 (28nm) |
| CPU | Dual-core, 1 processor: 2x 1.3GHz ARM Cortex-A53 (Dual-core) | Octa-core, 2 processors: 4x 1.5GHz ARM Cortex-A53 (Quad-core) 4x 1GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | Vivante GC7000UL | ARM Mali-T860 MP2 520Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy J1 Ace Duos (3G SM-J110H/DS) | LG X400 (K121K) | |
| RAM memory | 512MB LPDDR3 | 2GB LPDDR3 |
| Internal storage | 4GB (2GB available) eMMC | 32GB (22GB available) |
| External storage | Until 128GB microSD, microSDXC (dedicated slot) | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy J1 Ace Duos (3G SM-J110H/DS) | LG X400 (K121K) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) micro-SIM (3FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 21/5.76 Mbps | 300/50 Mbps |
| Network technology | 2G, 3G | 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 900/2100 | UMTS 2100 |
| Primary 4G network | Not supported | 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+ | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | Not supported |
📷 Camera | ||
| Galaxy J1 Ace Duos (3G SM-J110H/DS) | LG X400 (K121K) | |
| Back camera (main camera) | 5 megapixels | 13 megapixels |
| Main camera resolution | 2592x1944 pixels | 4160x3120 pixels |
| Video recording (primary) | HD (1280x720) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.2 (aperture) | f/2.2 (aperture) |
| Focal length | feature not registered | 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 | feature not registered | 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 only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy J1 Ace Duos (3G SM-J110H/DS) | LG X400 (K121K) | |
| Front camera (secondary) | 2 megapixels | 5 megapixels |
| Front camera resolution | 1600x1200 pixels | 2560x1920 pixels |
| Video recording (secondary) | VGA (640x480) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | 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 J1 Ace Duos (3G SM-J110H/DS) | LG X400 (K121K) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | FM (RDS) | FM (RDS) |
| TV | Not supported | Digital TV |
| Video formats | MP4, H.264, H.263, MKV | MP4, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy J1 Ace Duos (3G SM-J110H/DS) | LG X400 (K121K) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.0 + A2DP | 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 | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy J1 Ace Duos (3G SM-J110H/DS) | LG X400 (K121K) | |
| Sensors | Accelerometer Proximity sensor | Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy J1 Ace Duos (3G SM-J110H/DS) | LG X400 (K121K) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 1800 mAh | 2800 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | 9 hours | 9 hours |
| Standby | 450 hours (18.8 days) | 390 hours (16.3 days) |
➕ Other features | ||
| Galaxy J1 Ace Duos (3G SM-J110H/DS) | LG X400 (K121K) | |
| 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, White, Blue • Samsung TouchWiz UI | • 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 J1 Ace Duos (3G SM-J110H/DS) | LG X400 (K121K) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.536W/kg (head), 1.063W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.628W/kg (head), 0.514W/kg (body) | feature not registered |