LG Optimus Black (P970) vs LG Risio 4 (K300CMR)
Side by side comparison between LG Optimus Black vs LG Risio 4 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
5.7"
IPS
IPS
720x1520
13
MP
MP
5mp
2GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
What's the better phone? LG Risio 4 (K300CMR)
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!
7 Advantages 
21 Advantages | 19 Common items in both devices |
| Plastic body, glass front |
| TFT NOVA IPS / TFT IPS LCD |
| 60Hz |
| 16 million |
| LED flash |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| +12 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 Risio 4 (K300CMR) | |
| Change model | ||
| Model | Optimus Black (P970) | Risio 4 (K300CMR) |
| Other model names | LG Optimus P970H, LG Ignite, LG Schwarz | LG Risio 4 (Cricket Wireless), LMK300CMRACKNBLY |
| Country or region available |    (Global, International), Germany, USA | USA |
| Brand | LG | LG |
| Release date | 5/9/2011 | 8/21/2020 |
| Depth | 9.2 millimeters (0.36 inches) | 8.6 millimeters (0.34 inches) |
| Size (width x height) | 64 x 122 millimeters (2.52 x 4.8 in) | 71.12 x 147.83 millimeters (2.8 x 5.82 in) |
| Weight | 109 grams (3.82 ounces) | 146 grams (5.11 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | Not supported | MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. |
📲 Display | ||
| LG Optimus Black (P970) | LG Risio 4 (K300CMR) | |
| Display type | TFT NOVA IPS | TFT IPS LCD |
| Screen size | 4" inches | 5.7" inches |
| Screen-to-body ratio | ~58.3% (screen-to-body ratio) | ~77.1% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 720x1520 pixels (19:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 233 PPI | 295 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass | Panda King Glass |
| Refresh rate | 60Hz | 60Hz |
| Display features | Not supported | Not supported |
🤖 Operating System | ||
| LG Optimus Black (P970) | LG Risio 4 (K300CMR) | |
| System version | Android 2.2.1 Froyo | Android 10 |
| Firmware update | Android 4.0.4 Ice Cream Sandwich ICS | feature not registered |
| User Interface | Optimus 2.0 Gesture UI | feature not registered |
⚙️ Processor | ||
| LG Optimus Black (P970) | LG Risio 4 (K300CMR) | |
| Chipset | 32bit: Texas Instruments OMAP 3630 (45nm) | 64bit: MediaTek Helio P22 (MT6762) (12nm) |
| CPU | Single-core, 1 processor: 1x 1GHz ARM Cortex-A8 (Single-core) | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | PowerVR SGX530 MP1 | PowerVR GE8320 (650MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| LG Optimus Black (P970) | LG Risio 4 (K300CMR) | |
| RAM memory | 512MB LPDDR | 2GB LPDDR3 |
| Internal storage | 2GB (1GB available) | 16GB (7.5GB available) eMMC 5.1 |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 512GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| LG Optimus Black (P970) | LG Risio 4 (K300CMR) | |
| 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 | 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 | GSM 850/900/1800/1900 |
| Primary 3G network | Not supported | UMTS 850/1900/2100 |
| Primary 4G network | Not supported | LTE Cat4 (2, 4, 5, 12, 14) |
| 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 | 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 Risio 4 (K300CMR) | |
| Back camera (main camera) | 5 megapixels | (dual camera) 13 megapixels 5MP ultrawide f/2.2120°1/5.0"1.12µm |
| Main camera resolution | 2592x1944 pixels | 4128x3096 pixels |
| Video recording (primary) | HD (1280x720) 24 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | feature not registered | f/1.8 (aperture) |
| Focal length | feature not registered | 27mm (lens) |
| Sensor size | feature not registered | 1/3.1" inches |
| Pixel size | feature not registered | 1.12µm pixel |
| Autofocus | Autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| LG Optimus Black (P970) | LG Risio 4 (K300CMR) | |
| Front camera (secondary) | 2 megapixels | 5 megapixels |
| Front camera resolution | 1600x1200 pixels | 2560x1920 pixels |
| Video recording (secondary) | Not supported | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.2 (aperture) |
| Focal length | feature not registered | 24mm (lens) |
| Sensor size | feature not registered | 1/5" inches |
| Pixel size | feature not registered | 1.12µm pixel |
🔉 Sound and multimedia | ||
| LG Optimus Black (P970) | LG Risio 4 (K300CMR) | |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | 1 microphone | 2 microphones or more |
| Radio | FM (RDS) | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, DivX, Xvid, H.264, H.263, WMV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| LG Optimus Black (P970) | LG Risio 4 (K300CMR) | |
| 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 | 5.0 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi hotspot | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| LG Optimus Black (P970) | LG Risio 4 (K300CMR) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer Fingerprint sensor (rear-mounted) |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG Optimus Black (P970) | LG Risio 4 (K300CMR) | |
| Battery type | Li-Ion: lithium-ion (Removable) BL-44JN | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 1500 mAh | 3000 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | 6 hours | 11 hours |
| Standby | 350 hours (14.6 days) | 528 hours (22 days) |
➕ Other features | ||
| LG Optimus Black (P970) | LG Risio 4 (K300CMR) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| 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 • Java framework | • Colors: Blue • LG UX 9.1 |
☢️ Radiation rate | ||
| LG Optimus Black (P970) | LG Risio 4 (K300CMR) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.63W/kg (head), 1.02W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 1.27W/kg (head), 1.43W/kg (body) | feature not registered |