Motorola RAZR V3i vs LG X400 (K121K)
Side by side comparison between Motorola RAZR V3i vs LG X400 phones, differences, pros, cons and full specifications. What's the better?
,
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!
1 Advantage 
28 Advantages | 4 Common items in both devices |
| Only digital zoom |
| Li-Ion: lithium-ion (Removable) |
| Hands-free calling |
| Vibrating alert |
| + 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 | ||
| Motorola RAZR V3i | LG X400 (K121K) | |
| Change model | ||
| Model | RAZR V3i | X400 (K121K) |
| Other model names | Motorola V3i, Motorola Razr V3i, V3t, V3r | KT LG X400, LGM-K121K, LGMK121K (Korea Telecom) |
| Country or region available | feature not registered |  South Korea |
| Brand | Motorola | LG |
| Release date | 11/8/2005 | 2/1/2017 |
| Depth | 13.9 millimeters (0.55 inches) | 8 millimeters (0.31 inches) |
| Size (width x height) | 53 x 98 millimeters (2.09 x 3.86 in) | 75.29 x 148.7 millimeters (2.96 x 5.85 in) |
| Weight | 100 grams (3.5 ounces) | 142 grams (4.97 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Motorola RAZR V3i | LG X400 (K121K) | |
| Display type | TFT LCD | TFT IPS LCD |
| Screen size | 2.2" inches | 5.3" inches |
| Screen-to-body ratio | ~29.3% (screen-to-body ratio) | ~69.2% (screen-to-body ratio) |
| Display resolution | 176x220 pixels | 720x1280 pixels |
| Touchscreen | Not supported | Capacitive Multitouch |
| Pixel density (dot pitch) | 128 PPI | 277 PPI |
| Colors | 260 thousand | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Motorola RAZR V3i | LG X400 (K121K) | |
| System version | Proprietary OS | Android 7.0 Nougat |
| Firmware update | feature not registered | Android 8.0 Oreo |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Motorola RAZR V3i | LG X400 (K121K) | |
| Chipset | feature not registered | 64bit: MediaTek MT6750 (28nm) |
| CPU | Single-core, 1 processor: Single-core | Octa-core, 2 processors: 4x 1.5GHz ARM Cortex-A53 (Quad-core) 4x 1GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | feature not registered | ARM Mali-T860 MP2 520Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Motorola RAZR V3i | LG X400 (K121K) | |
| RAM memory | feature not registered | 2GB LPDDR3 |
| Internal storage | 12MB | 32GB (22GB available) |
| External storage | Until 512MB microSD (dedicated slot) | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Motorola RAZR V3i | LG X400 (K121K) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 0.048 Mbps | 300/50 Mbps |
| Network technology | 2G | 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 | Not supported | 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 | 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 | ||
| Motorola RAZR V3i | LG X400 (K121K) | |
| Back camera (main camera) | 1.2 megapixels | 13 megapixels |
| Main camera resolution | 1280x960 pixels | 4160x3120 pixels |
| Video recording (primary) | Supported | Full HD (1920x1080) 30 fps |
| Flash | Not supported | LED flash |
| Focal aperture | feature not registered | 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 | Not supported | Autofocus |
| Touch focus | feature not registered | Supported |
| Image stabilization | feature not registered | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | feature not registered | Face detection, Smile detection |
| BSI sensor | feature not registered | Not supported |
| HDR | feature not registered | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Motorola RAZR V3i | LG X400 (K121K) | |
| Front camera (secondary) | Not supported | 5 megapixels |
| Front camera resolution | Not supported | 2560x1920 pixels |
| Video recording (secondary) | Not supported | 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 | ||
| Motorola RAZR V3i | LG X400 (K121K) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | feature not registered | 2 microphones or more |
| Radio | Not supported | FM (RDS) |
| TV | Not supported | Digital TV |
| Video formats | MP4 | MP4, H.264, H.263, XviD, MKV |
| Audio formats | MP3, MIDI | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Motorola RAZR V3i | LG X400 (K121K) | |
| USB | Mini-USB 1.1 (Mini-B) | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | via mini-USB | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 1.2 | 4.2 + A2DP |
| WiFi | Not supported | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | feature not registered | Not supported |
| GPS | Not supported | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| Motorola RAZR V3i | LG X400 (K121K) | |
| Sensors | Not supported | Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Motorola RAZR V3i | LG X400 (K121K) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 710 mAh | 2800 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 3.5 hours | 9 hours |
| Standby | 200 hours (8.3 days) | 390 hours (16.3 days) |
➕ Other features | ||
| Motorola RAZR V3i | LG X400 (K121K) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder |
| Messaging | SMS, MMS, E-mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Not supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | feature not registered | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Silver • Second CSTN display 96x80 pixels, 4096 colors • Games downloadable • Apple iTunes compatible • Java framework | • 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 | ||
| Motorola RAZR V3i | 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 |