LG Optimus F5 (P875) vs LG K51 (K500QM7)
Side by side comparison between LG Optimus F5 vs LG K51 phones, differences, pros, cons and full specifications. What's the better?
,
4.3"
IPS
IPS
540x960
5
MP
MP
1.3mp
1GB
RAM
RAM
Dual-core
2150
mAh
mAh
(Removable)
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 (K500QM7)
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 
23 Advantages | 16 Common items in both devices |
| TFT IPS LCD |
| 16 million |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| Full HD (1920x1080) |
| 4G LTE / 4G LTE-A |
| Capacitive |
| +9 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 F5 (P875) | LG K51 (K500QM7) | |
| Model | Optimus F5 (P875) | K51 (K500QM7) |
| Other model names | LG P875 Optimus F5 4G LTE, LG Optimus F5 P875 | LG K51 Unlocked LMK500QM7AUSATN, LMK500QM7ABPTTN, LM-K500QM7 |
| Country or region available | feature not registered |  USA |
| Brand | LG | LG |
| Release date | 4/1/2013 | 5/1/2020 |
| Depth | 9.3 millimeters (0.37 inches) | 8.47 millimeters (0.33 inches) |
| Size (width x height) | 64.5 x 126 millimeters (2.54 x 4.96 in) | 77.92 x 166.96 millimeters (3.07 x 6.57 in) |
| Weight | 131 grams (4.59 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 | ||
| LG Optimus F5 (P875) | LG K51 (K500QM7) | |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 4.3" inches | 6.5" inches |
| Screen-to-body ratio | ~62.7% (screen-to-body ratio) | ~79.7% (screen-to-body ratio) |
| Display resolution | 540x960 pixels | 720x1560 pixels (19.5:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 256 PPI | 264 PPI |
| Colors | 16 million | 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 | ||
| LG Optimus F5 (P875) | LG K51 (K500QM7) | |
| System version | Android 4.1.2 Jelly Bean | Android 10 |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| LG Optimus F5 (P875) | LG K51 (K500QM7) | |
| Chipset | 32bit: Qualcomm Snapdragon MSM8960 Lite | 64bit: MediaTek Helio P22 (MT6762) (12nm) |
| CPU | Dual-core, 1 processor: 2x 1.2GHz Krait (Dual-core) | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 225 | PowerVR GE8320 (650MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| LG Optimus F5 (P875) | LG K51 (K500QM7) | |
| RAM memory | 1GB LPDDR2 | 3GB LPDDR3 |
| Internal storage | 8GB (5GB available) | 32GB (18GB available) eMMC 5.1 |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| LG Optimus F5 (P875) | LG K51 (K500QM7) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) micro-SIM (3FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 100/50 Mbps | 300/50 Mbps |
| Network technology | 2G, 3G, 4G | 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 | UMTS 850/900/1900/2100 | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE 800/1800/2600 | LTE Cat6 (2, 4, 5, 12, 13, 25, 26, 66, 71) TD-LTE (41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, 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 | ||
| LG Optimus F5 (P875) | LG K51 (K500QM7) | |
| Back camera (main camera) | 5 megapixels | (triple camera) 13 megapixels 5MP ultrawide f/2.21.12μm1/5"115° 2MP depth f/2.41.75μm1/5"85° |
| Main camera resolution | 2592x1944 pixels | 4128x3096 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 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 | Autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | 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 | Not supported | Not supported |
| HDR | HDR photo only main camera | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| LG Optimus F5 (P875) | LG K51 (K500QM7) | |
| Front camera (secondary) | 1.3 megapixels | 13 megapixels |
| Front camera resolution | 1280x1024 pixels | 4128x3096 pixels |
| Video recording (secondary) | HD (1280x720) | 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 | ||
| LG Optimus F5 (P875) | LG K51 (K500QM7) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, DivX, XviD, WMV, H.264, H.263 | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| LG Optimus F5 (P875) | LG K51 (K500QM7) | |
| USB | MicroUSB 2.0 | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.0 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Not supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| LG Optimus F5 (P875) | LG K51 (K500QM7) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG Optimus F5 (P875) | LG K51 (K500QM7) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 2150 mAh | 4000 mAh |
| Charger, watts | Wired charging | 10W (5V/2A) Wired charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 8 hours | 21 hours |
| Standby | 500 hours (20.8 days) | 576 hours (24 days) |
➕ Other features | ||
| LG Optimus F5 (P875) | LG K51 (K500QM7) | |
| 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, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, White • Java framework | • Colors: Titan gray • Google Assistant • DTS:X 3D sound surround • HAC M3/T3 |
☢️ Radiation rate | ||
| LG Optimus F5 (P875) | LG K51 (K500QM7) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.47W/kg (head), 0.43W/kg (body) | feature not registered |