BlackBerry 6720 vs LG K51 (K500QM5)
Side by side comparison between BlackBerry 6720 vs LG K51 phones, differences, pros, cons and full specifications. What's the better?
,
vs
6.5"
IPS
IPS
720x1560
13
MP
MP
13mp
3GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
What's the better phone? LG K51 (K500QM5)
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!
2 Advantages 
27 Advantages | 1 Common items in both devices |
| 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 | ||
| BlackBerry 6720 | LG K51 (K500QM5) | |
| Change model | ||
| Model | BlackBerry 6720 | K51 (K500QM5) |
| Other model names | RIM BlackBerry 6720 | LG K51 (Xfinity Mobile) LMK500QM5ACSTTN, LM-K500QM5 |
| Country or region available | feature not registered |  USA |
| Brand | BlackBerry | LG |
| Release date | 10/1/2002 | 4/2/2020 |
| Depth | 18 millimeters (0.71 inches) | 8.47 millimeters (0.33 inches) |
| Size (width x height) | 77 x 121 millimeters (3.03 x 4.76 in) | 77.92 x 166.96 millimeters (3.07 x 6.57 in) |
| Weight | 138 grams (4.83 ounces) | 204 grams (7.14 ounces) |
| Build, materials | feature not registered | 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 | ||
| BlackBerry 6720 | LG K51 (K500QM5) | |
| Display type | Monochromatic | TFT IPS LCD |
| Screen size | 3" inches | 6.5" inches |
| Screen-to-body ratio | ~31.2% (screen-to-body ratio) | ~79.7% (screen-to-body ratio) |
| Display resolution | 160x160 pixels | 720x1560 pixels (19.5:9) |
| Touchscreen | Not supported | Capacitive Multitouch |
| Pixel density (dot pitch) | 75 PPI | 264 PPI |
| Colors | 2 | 16 million |
| Scratch-resistant glass | Not supported | Panda King Glass |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| BlackBerry 6720 | LG K51 (K500QM5) | |
| System version | BlackBerry OS 3.0 | Android 10 |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| BlackBerry 6720 | LG K51 (K500QM5) | |
| Chipset | feature not registered | 64bit: MediaTek Helio P22 (MT6762) (12nm) |
| CPU | Single-core, 1 processor: Single-core ARM 7EJ-S Core (Single-core) | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | feature not registered | PowerVR GE8320 (650MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| BlackBerry 6720 | LG K51 (K500QM5) | |
| RAM memory | 1MB | 3GB LPDDR3 |
| Internal storage | 16MB | 32GB (16GB available) eMMC 5.1 |
| External storage | Not supported | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| BlackBerry 6720 | LG K51 (K500QM5) | |
| 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 | Dual-Band 900/1800 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 900/1800 | CDMA 800/1900, GSM 850/900/1800/1900 |
| Primary 3G network | Not supported | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 |
| Primary 4G network | Not supported | LTE Cat6 (2, 3, 4, 5, 7, 12, 13, 20, 66) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | Not supported | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, 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 | ||
| BlackBerry 6720 | LG K51 (K500QM5) | |
| Back camera (main camera) | Not supported | (triple camera) 13 megapixels 5MP ultrawide f/2.21.12μm1/5"115° 2MP depth f/2.41.75μm1/5"85° |
| Main camera resolution | Not supported | 4128x3096 pixels |
| Video recording (primary) | Not supported | Full HD (1920x1080) 30 fps |
| Flash | Not supported | LED flash |
| Focal aperture | feature not registered | f/1.8 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | feature not registered | 1/3" inches |
| Pixel size | feature not registered | 1.12µm pixel |
| Autofocus | Not supported | PDAF: phase detection autofocus |
| Touch focus | feature not registered | Supported |
| Image stabilization | feature not registered | EIS: Digital stabilization |
| Zoom | Not supported | 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 on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| BlackBerry 6720 | LG K51 (K500QM5) | |
| Front camera (secondary) | Not supported | 13 megapixels |
| Front camera resolution | Not supported | 4128x3096 pixels |
| Video recording (secondary) | Not supported | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.0 (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 |
🔉 Sound and multimedia | ||
| BlackBerry 6720 | LG K51 (K500QM5) | |
| Loudspeaker | feature not registered | Supported |
| Active noise cancellation | feature not registered | 2 microphones or more |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | feature not registered | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | feature not registered | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| BlackBerry 6720 | LG K51 (K500QM5) | |
| USB | USB 1.1 proprietary connector | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 2.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | Not supported | 5.0 + A2DP/LE |
| WiFi | Not supported | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | feature not registered | Not supported |
| GPS | Not supported | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Not supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| BlackBerry 6720 | LG K51 (K500QM5) | |
| Sensors | Not supported | Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| BlackBerry 6720 | LG K51 (K500QM5) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | feature not registered | 4000 mAh |
| Charger, watts | Wired charging | 10W (5V/2A) Wired charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 4 hours | 21 hours |
| Standby | 240 hours (10 days) | 576 hours (24 days) |
➕ Other features | ||
| BlackBerry 6720 | LG K51 (K500QM5) | |
| Call control | Not supported | Voice dialing, Voice recorder |
| Messaging | SMS, E-mail | 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 | WAP | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Fixed QWERTY keyboard | Not supported |
| Miscellaneous | • Colors: Black • Monochrome STN display | • Colors: Titan gray • Google Assistant • DTS:X 3D sound surround • HAC M3/T3 |
☢️ Radiation rate | ||
| BlackBerry 6720 | LG K51 (K500QM5) | |
| 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 |