LG Optimus Black (P970) vs LG K4 (VS425)
Side by side comparison between LG Optimus Black vs LG K4 phones, differences, pros, cons and full specifications. What's the better?
,
4"
IPS
IPS
480x800
5
MP
MP
2mp
512MB
RAM
RAM
Single-core
1500
mAh
mAh
(Removable)
vs
4.5"
IPS
IPS
480x854
5
MP
MP
2mp
1.5GB
RAM
RAM
Quad-core
1940
mAh
mAh
(Removable)
What's the better phone? LG K4 (VS425)
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!
4 Advantages 
12 Advantages | 20 Common items in both devices |
| Until 32GB microSD, microSDHC |
| TFT NOVA IPS / TFT IPS LCD |
| 16 million |
| (back) 5MP |
| LED flash |
| Only digital zoom |
| Autofocus |
| +13 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 Optimus Black (P970) | LG K4 (VS425) | |
| Change model | ||
| Model | Optimus Black (P970) | LG K4 (VS425) |
| Other model names | LG Optimus P970H, LG Ignite, LG Schwarz | Verizon LG K4 LTE (16GB) VS425, LG-VS425 |
| Country or region available | feature not registered |  USA |
| Brand | LG | LG |
| Release date | 5/9/2011 | 3/26/2016 |
| Depth | 9.2 millimeters (0.36 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 64 x 122 millimeters (2.52 x 4.8 in) | 66.7 x 131.9 millimeters (2.63 x 5.19 in) |
| Weight | 109 grams (3.82 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 | ||
| LG Optimus Black (P970) | LG K4 (VS425) | |
| Display type | TFT NOVA IPS | TFT IPS LCD |
| Screen size | 4" inches | 4.5" inches |
| Screen-to-body ratio | ~58.3% (screen-to-body ratio) | ~63.4% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 480x854 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 233 PPI | 218 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| LG Optimus Black (P970) | LG K4 (VS425) | |
| System version | Android 2.2.1 Froyo | Android 5.1.1 Lollipop |
| Firmware update | Android 4.0.4 Ice Cream Sandwich ICS | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| LG Optimus Black (P970) | LG K4 (VS425) | |
| Chipset | 32bit: TI OMAP 3630 | 32bit: Qualcomm Snapdragon 210 MSM8909 (28nm) |
| CPU | Single-core, 1 processor: 1x 1GHz ARM Cortex-A8 (Single-core) | Quad-core, 1 processor: 4x 1.1GHz ARM Cortex-A7 (Quad-core) |
| GPU graphical controller | PowerVR SGX530 | Qualcomm Adreno 304 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| LG Optimus Black (P970) | LG K4 (VS425) | |
| RAM memory | 512MB | 1.5GB LPDDR3 |
| Internal storage | 2GB (1GB available) | 16GB (10GB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| LG Optimus Black (P970) | LG K4 (VS425) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-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 | 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 | CDMA 800/1900, GSM 850/900/1800/1900 |
| Primary 3G network | Not supported | CDMA2000 1xEV-DO |
| Primary 4G network | Not supported | LTE Cat4 (Bands 2, 4, 5, 13) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, LTE |
| 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 Optimus Black (P970) | LG K4 (VS425) | |
| Back camera (main camera) | 5 megapixels | 5 megapixels |
| Main camera resolution | 2592x1944 pixels | 2592x1944 pixels |
| Video recording (primary) | HD (1280x720) 24 fps | HD (1280x720) 30 fps |
| Flash | LED flash | 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 | Autofocus | 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 | Face detection | Face detection, Smile detection |
| BSI sensor | feature not registered | Not supported |
| HDR | feature not registered | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| LG Optimus Black (P970) | LG K4 (VS425) | |
| Front camera (secondary) | 2 megapixels | 2 megapixels |
| Front camera resolution | 1600x1200 pixels | 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 | ||
| LG Optimus Black (P970) | LG K4 (VS425) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | feature not registered | Not supported |
| Radio | FM (RDS) | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, DivX, Xvid, H.264, H.263, WMV | MP4, H.264, H.263, XviD |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| LG Optimus Black (P970) | LG K4 (VS425) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 2.1 + 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 | feature not registered | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Not supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| LG Optimus Black (P970) | LG K4 (VS425) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer Ambient light sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG Optimus Black (P970) | LG K4 (VS425) | |
| Battery type | Li-Ion: lithium-ion (Removable) BL-44JN | Li-Ion: lithium-ion (Removable) BL-49JH |
| Battery capacity | 1500 mAh | 1940 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 6 hours | 10 hours |
| Standby | 350 hours (14.6 days) | 500 hours (20.8 days) |
➕ Other features | ||
| LG Optimus Black (P970) | LG K4 (VS425) | |
| Call control | Voice dialing, Voice recorder, Voice commands | 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, Flash player | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, Pink, Silver, White, Brown • LG Optimus 2.0 Gesture UI • DLNA • Wi-Fi Mobile Hotspot • Java framework | • Colors: Black • Flash Selfie • Knock Code |
☢️ Radiation rate | ||
| LG Optimus Black (P970) | LG K4 (VS425) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.22W/kg (head), 1.29W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |