Motorola StarTAC Rainbow vs LG X400 (K121K)
Side by side comparison between Motorola StarTAC Rainbow 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 
30 Advantages | 2 Common items in both devices |
| Plastic body / Plastic body, glass front |
| Li-Ion: lithium-ion (Removable) |
| + 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 StarTAC Rainbow | LG X400 (K121K) | |
| Change model | ||
| Model | StarTAC Rainbow | X400 (K121K) |
| Other model names | Motorola StarTAC Rainbow | KT LG X400, LGM-K121K, LGMK121K (Korea Telecom) |
| Country or region available |  USA |  South Korea |
| Brand | Motorola | LG |
| Release date | 2/1/1997 | 2/1/2017 |
| Depth | 23 millimeters (0.91 inches) | 8 millimeters (0.31 inches) |
| Size (width x height) | 57 x 98 millimeters (2.24 x 3.86 in) | 75.29 x 148.7 millimeters (2.96 x 5.85 in) |
| Weight | 112 grams (3.92 ounces) | 142 grams (4.97 ounces) |
| Build, materials | Plastic body | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Motorola StarTAC Rainbow | LG X400 (K121K) | |
| Display type | Monochromatic | TFT IPS LCD |
| Screen size | 1.3" inches | 5.3" inches |
| Screen-to-body ratio | ~3.2% (screen-to-body ratio) | ~69.2% (screen-to-body ratio) |
| Display resolution | 2x12 pixels | 720x1280 pixels |
| Touchscreen | Not supported | Capacitive Multitouch |
| Pixel density (dot pitch) | 9 PPI | 277 PPI |
| Colors | 2 | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Motorola StarTAC Rainbow | 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 StarTAC Rainbow | LG X400 (K121K) | |
| Chipset | 16bit | 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 StarTAC Rainbow | LG X400 (K121K) | |
| RAM memory | 1MB SDRAM | 2GB LPDDR3 |
| Internal storage | 1KB Flash (EEPROM) | 32GB (22GB available) |
| External storage | Not supported | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Motorola StarTAC Rainbow | 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 | feature not registered | 300/50 Mbps |
| Network technology | 2G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Mono-Band 900 | Tri-Band 900/1800/1900 |
| Primary 2G network | GSM 900 | 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 | Not supported | 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 StarTAC Rainbow | LG X400 (K121K) | |
| Back camera (main camera) | Not supported | 13 megapixels |
| Main camera resolution | Not supported | 4160x3120 pixels |
| Video recording (primary) | Not 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 | Not supported | Supported |
| Image stabilization | Not supported | EIS: Digital stabilization |
| Zoom | Not supported | Only digital zoom |
| Face/smile detection | Not supported | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Motorola StarTAC Rainbow | 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 StarTAC Rainbow | LG X400 (K121K) | |
| Loudspeaker | feature not registered | Supported |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | Not supported | FM (RDS) |
| TV | Not supported | Digital TV |
| Video formats | feature not registered | MP4, H.264, H.263, XviD, MKV |
| Audio formats | feature not registered | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Motorola StarTAC Rainbow | LG X400 (K121K) | |
| USB | Not supported | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | Not supported | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | Not supported | 4.2 + A2DP |
| WiFi | Not supported | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | Not supported | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Motorola StarTAC Rainbow | LG X400 (K121K) | |
| Sensors | Not supported | Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Proximity sensor |
| Vibrating alert | Not supported | Supported |
🔋 Battery | ||
| Motorola StarTAC Rainbow | LG X400 (K121K) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 500 mAh | 2800 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | 2 hours | 9 hours |
| Standby | 40 hours (1.7 days) | 390 hours (16.3 days) |
➕ Other features | ||
| Motorola StarTAC Rainbow | LG X400 (K121K) | |
| Call control | Not supported | Voice dialing, Voice recorder |
| Messaging | SMS | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Not supported | Supported |
| Video calling | Not supported | Supported |
| Ringtones | Monophonic | Polyphonic and customized |
| Web browser | Not supported | HTML, XHTML, HTML5 |
| Antenna | External retractable antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • 16 Languages • Phonebook with 100 entries • Call records 10 dialed, 5 received, 5 missed calls | • 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 StarTAC Rainbow | 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 |