Alcatel Pixi (4007D) vs LG K4 (K121)
Side by side comparison between Alcatel Pixi vs LG K4 phones, differences, pros, cons and full specifications. What's the better?
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What's the better phone? LG K4 (K121)
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 
25 Advantages | 10 Common items in both devices |
| Until 32GB microSD, microSDHC |
| Only digital zoom |
| Capacitive |
| Multitouch |
| Accelerometer |
| Li-Ion: lithium-ion (Removable) |
| 3.5mm jack |
| +3 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 | ||
| Alcatel Pixi (4007D) | LG K4 (K121) | |
| Model | Pixi (4007D) | LG K4 (K121) |
| Other model names | Alcatel One Touch Pixi Dual-sim OT-4007D, OT-4007E | (Bell, Rogers, Telus) LG K4 K121, LGK121 |
| Country or region available | feature not registered |  Canada |
| Brand | Alcatel | LG |
| Release date | 8/1/2013 | 2/1/2016 |
| Depth | 12.2 millimeters (0.48 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 62.3 x 115 millimeters (2.45 x 4.53 in) | 66.7 x 131.9 millimeters (2.63 x 5.19 in) |
| Weight | 118 grams (4.13 ounces) | 113 grams (3.96 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Alcatel Pixi (4007D) | LG K4 (K121) | |
| Display type | TFT LCD | TFT IPS LCD |
| Screen size | 3.5" inches | 4.5" inches |
| Screen-to-body ratio | ~50.9% (screen-to-body ratio) | ~63.4% (screen-to-body ratio) |
| Display resolution | 320x480 pixels | 480x854 pixels |
| Touchscreen | Capacitive Multitouch 2-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 165 PPI | 218 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 | ||
| Alcatel Pixi (4007D) | LG K4 (K121) | |
| System version | Android 2.3.6 Gingerbread | Android 5.1.1 Lollipop |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Alcatel Pixi (4007D) | LG K4 (K121) | |
| Chipset | 32bit | 32bit: Qualcomm Snapdragon 210 MSM8909 (28nm) |
| CPU | Single-core, 1 processor: 1x 1GHz | Quad-core, 1 processor: 4x 1.1GHz ARM Cortex-A7 (Quad-core) |
| GPU graphical controller | PowerVR SGX531 | Qualcomm Adreno 304 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Alcatel Pixi (4007D) | LG K4 (K121) | |
| RAM memory | 256MB | 1GB LPDDR3 |
| Internal storage | 512MB (100MB available) | 8GB (3.88GB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Alcatel Pixi (4007D) | LG K4 (K121) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) Standard mini-SIM (2FF) | 1 slot (Single-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 7.2/5.76 Mbps | 150/50 Mbps |
| Network technology | 2G, 3G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 4007D model: 900/2100 4007E model: 850/2100 | UMTS 850/1700/1900 |
| Primary 4G network | Not supported | LTE Cat4 (Bands 2, 4, 7, 17) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| 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 | ||
| Alcatel Pixi (4007D) | LG K4 (K121) | |
| Back camera (main camera) | 2 megapixels | 5 megapixels |
| Main camera resolution | 1600x1200 pixels | 2592x1944 pixels |
| Video recording (primary) | VGA (640x480) 30 fps | HD (1280x720) 30 fps |
| Flash | Not supported | LED flash |
| Focal aperture | feature not registered | f/2.8 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | Not supported | Autofocus |
| Touch focus | Not supported | Supported |
| Image stabilization | Not supported | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Not supported | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Alcatel Pixi (4007D) | LG K4 (K121) | |
| Front camera (secondary) | Not supported | 2 megapixels |
| Front camera resolution | Not supported | 1600x1200 pixels |
| Video recording (secondary) | Not supported | HD (1280x720) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.8 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| Alcatel Pixi (4007D) | LG K4 (K121) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | Not supported |
| Radio | FM (RDS) | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.264, H.263, XviD |
| Audio formats | MP3, WAV, AAC+ | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| Alcatel Pixi (4007D) | LG K4 (K121) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.0 + A2DP | 4.1 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 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 | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Alcatel Pixi (4007D) | LG K4 (K121) | |
| Sensors | Accelerometer | Accelerometer Ambient light sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Alcatel Pixi (4007D) | LG K4 (K121) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) BL-49JH |
| Battery capacity | 1300 mAh | 1940 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 7 hours | 9 hours |
| Standby | 300 hours (12.5 days) | 500 hours (20.8 days) |
➕ Other features | ||
| Alcatel Pixi (4007D) | LG K4 (K121) | |
| Call control | Voice recorder | Voice dialing, Voice recorder |
| Messaging | SMS (T9), 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 | HTML, XHTML | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: White, Night Sky • WiFi hotspot • Java framework | • Colors: White, Blue • Flash Selfie • Knock Code |
☢️ Radiation rate | ||
| Alcatel Pixi (4007D) | LG K4 (K121) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 1.16W/kg (head), 1.11W/kg (body) | feature not registered |