LG K51 (K500UM3) vs Alcatel U5 (5044i)
Side by side comparison between LG K51 vs Alcatel U5 phones, differences, pros, cons and full specifications. What's the better?
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6.5"
IPS
IPS
720x1560
13
MP
MP
13mp
3GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
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What's the better phone? LG K51 (K500UM3)
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!
28 Advantages 
5 Advantages | 12 Common items in both devices |
| 60Hz |
| 16 million |
| Only digital zoom |
| EIS: Digital stabilization |
| 4G LTE-A / 4G LTE |
| Capacitive |
| Multitouch |
| +5 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 K51 (K500UM3) | Alcatel U5 (5044i) | |
| Model | K51 (K500UM3) | Alcatel U5 (5044i) |
| Other model names | LG K51 (Boost Mobile) LMK500UM3ABMUTN, LM-K500UM3 | Alcatel U5 Dual-Sim, OT-5044I |
| Country or region available |  USA |  Philippines |
| Brand | LG | Alcatel |
| Release date | 2/1/2020 | 4/1/2017 |
| Depth | 8.47 millimeters (0.33 inches) | 10 millimeters (0.39 inches) |
| Size (width x height) | 77.92 x 166.96 millimeters (3.07 x 6.57 in) | 71.8 x 140.7 millimeters (2.83 x 5.54 in) |
| Weight | 204 grams (7.14 ounces) | 168 grams (5.88 ounces) |
| Build, materials | Plastic body, glass front | feature not registered |
| Protection against water and others | MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. | Not supported |
📲 Display | ||
| LG K51 (K500UM3) | Alcatel U5 (5044i) | |
| Display type | TFT IPS LCD | TFT LCD |
| Screen size | 6.5" inches | 5" inches |
| Screen-to-body ratio | ~79.7% (screen-to-body ratio) | ~68.2% (screen-to-body ratio) |
| Display resolution | 720x1560 pixels (19.5:9) | 480x854 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 2-points |
| Pixel density (dot pitch) | 264 PPI | 196 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Panda King Glass | Not supported |
| Refresh rate | 60Hz | 60Hz |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| LG K51 (K500UM3) | Alcatel U5 (5044i) | |
| System version | Android 9.0 Pie | Android 6.0 Marshmallow |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| LG K51 (K500UM3) | Alcatel U5 (5044i) | |
| Chipset | 64bit: MediaTek Helio P22 (MT6762) (12nm) | 64bit: MediaTek MT6737M (28nm) |
| CPU | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core) | Quad-core, 1 processor: 4x 1.1GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | PowerVR GE8320 (650MHz) | ARM Mali-T720 MP2 550Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| LG K51 (K500UM3) | Alcatel U5 (5044i) | |
| RAM memory | 3GB LPDDR3 | 1GB LPDDR3 |
| Internal storage | 32GB (16GB available) eMMC 5.1 | 8GB (4GB available) |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| LG K51 (K500UM3) | Alcatel U5 (5044i) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 300/50 Mbps | 150/50 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 | CDMA 800/1900, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat6 (2, 4, 5, 12, 13, 25, 26, 66, 71) TD-LTE (41) | LTE Cat4 700/850/1800/2100/2600 (Bands 1,3,5,7,28) TD-LTE 2300 (Bands 40) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
| LG K51 (K500UM3) | Alcatel U5 (5044i) | |
| Back camera (main camera) | (triple camera) 13 megapixels 5MP ultrawide f/2.21.12μm1/5"115° 2MP depth f/2.41.75μm1/5"85° | 5 megapixels |
| Main camera resolution | 4128x3096 pixels | 2560x1920 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | HD (1280x720) 30 fps |
| Flash | LED flash | LED flash on both cameras |
| Focal aperture | f/1.8 (aperture) | feature not registered |
| Focal length | 26mm lens | feature not registered |
| Sensor size | 1/3" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Not supported |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo on both cameras | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| LG K51 (K500UM3) | Alcatel U5 (5044i) | |
| Front camera (secondary) | 13 megapixels | 2 megapixels |
| Front camera resolution | 4128x3096 pixels | 1600x1200 pixels |
| Video recording (secondary) | Full HD (1920x1080) | HD (1280x720) |
| Front flash | Not supported | LED |
| Focal aperture | f/2.0 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/3" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| LG K51 (K500UM3) | Alcatel U5 (5044i) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | Not supported | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | feature not registered |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | feature not registered |
🔌 Connectivity | ||
| LG K51 (K500UM3) | Alcatel U5 (5044i) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 4.2 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| LG K51 (K500UM3) | Alcatel U5 (5044i) | |
| Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor | Accelerometer |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG K51 (K500UM3) | Alcatel U5 (5044i) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) TLi020F1 |
| Battery capacity | 4000 mAh | 2050 mAh |
| Charger, watts | 10W (5V/2A) Wired charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | 21 hours | feature not registered |
| Standby | 576 hours (24 days) | feature not registered |
➕ Other features | ||
| LG K51 (K500UM3) | Alcatel U5 (5044i) | |
| Call control | Voice dialing, Voice recorder | 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: Titan gray • Google Assistant • DTS:X 3D sound surround • HAC M3/T3 | • Colors: Black, White |
☢️ Radiation rate | ||
| LG K51 (K500UM3) | Alcatel U5 (5044i) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.88W/kg (head), 1.73W/kg (body) |