LG K51S (K510HM) vs Alcatel A7 XL (7071D)
Side by side comparison between LG K51S vs Alcatel A7 XL phones, differences, pros, cons and full specifications. What's the better?
,
6.55"
IPS
IPS
720x1600
32
MP
MP
13mp
3GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
vs
6"
LTPS
LTPS
1080x1920
12.2
MP
MP
5mp
3GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
What's the better phone? LG K51S (K510HM)
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!
14 Advantages 
8 Advantages | 25 Common items in both devices |
| 3GB LPDDR3 |
| eMMC 5.1 |
| 60Hz |
| 16 million |
| Only digital zoom |
| PDAF: phase detection autofocus |
| EIS: Digital stabilization |
| +18 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 K51S (K510HM) | Alcatel A7 XL (7071D) | |
| Model | K51S (K510HM) | Alcatel A7 XL (7071D) |
| Other model names | LG K51s LM-K510HM, LMK510HM (Single-Sim) | Alcatel A7 XL 7071, 7071DX, OT-7071D |
| Country or region available |  (Latin America) |   (Europe), (Global, International) |
| Brand | LG | Alcatel |
| Release date | 4/1/2020 | 11/1/2017 |
| Depth | 8.26 millimeters (0.33 inches) | 8.7 millimeters (0.34 inches) |
| Size (width x height) | 76.7 x 165.2 millimeters (3.02 x 6.5 in) | 81.5 x 159.6 millimeters (3.21 x 6.28 in) |
| Weight | 194 grams (6.79 ounces) | 175 grams (6.13 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 K51S (K510HM) | Alcatel A7 XL (7071D) | |
| Display type | TFT IPS LCD | LTPS LCD |
| Screen size | 6.55" inches | 6" inches |
| Screen-to-body ratio | ~81.7% (screen-to-body ratio) | ~76.3% (screen-to-body ratio) |
| Display resolution | 720x1600 pixels (20:9) | 1080x1920 pixels (16:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 268 PPI | 367 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Dragontrail Glass |
| Refresh rate | 60Hz | 60Hz |
| Display features | 400nits[typ] | Not supported |
🤖 Operating System | ||
| LG K51S (K510HM) | Alcatel A7 XL (7071D) | |
| System version | Android 9.0 Pie | Android 7.1 Nougat |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| LG K51S (K510HM) | Alcatel A7 XL (7071D) | |
| Chipset | 64bit: MediaTek Helio P35 (MT6765) (12nm) | 64bit: MediaTek MT6750S (28nm) |
| CPU | Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A53 (Quad-core) 4x 1.8GHz ARM Cortex-A53 (Quad-core) | Octa-core, 2 processors: 4x 1.5GHz ARM Cortex-A53 (Quad-core) 4x 1GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | PowerVR GE8320 MP2 (680MHz) | ARM Mali-T860 MP2 350Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| LG K51S (K510HM) | Alcatel A7 XL (7071D) | |
| RAM memory | 3GB LPDDR3 | 3GB LPDDR3 |
| Internal storage | 64GB (47GB available) eMMC 5.1 | 32GB (22GB available) eMMC 5.1 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| LG K51S (K510HM) | Alcatel A7 XL (7071D) | |
| 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) nano-SIM (4FF) |
| 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 | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 28, 66) TD-LTE (38) | LTE Cat4 (1, 3, 7, 8, 20, 28) VoLTE |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, 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 K51S (K510HM) | Alcatel A7 XL (7071D) | |
| Back camera (main camera) | (quad camera) 32 megapixels 5MP ultrawide f/2.216mm1.12μm115° 2MP macro f/2.422mm1.75μm88.6° 2MP depth f/2.41.75μm | (dual camera) 12.2 megapixels 2MP |
| Main camera resolution | 6528x4896 pixels | 4032x3024 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | Dual-LED on main camera and LED on front camera |
| Focal aperture | f/1.8 (aperture) | feature not registered |
| Focal length | 24mm lens | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | 0.8µm pixel | feature not registered |
| Autofocus | PDAF: phase detection 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, 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 K51S (K510HM) | Alcatel A7 XL (7071D) | |
| Front camera (secondary) | 13 megapixels | 5 megapixels |
| Front camera resolution | 4128x3096 pixels | 2560x1920 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | LED |
| Focal aperture | f/2.0 (aperture) | feature not registered |
| 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 K51S (K510HM) | Alcatel A7 XL (7071D) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | FM | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, OGG, eAAC+, FLAC |
🔌 Connectivity | ||
| LG K51S (K510HM) | Alcatel A7 XL (7071D) | |
| 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 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| LG K51S (K510HM) | Alcatel A7 XL (7071D) | |
| Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Proximity sensor | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG K51S (K510HM) | Alcatel A7 XL (7071D) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 4000 mAh | 4000 mAh |
| Charger, watts | 10W (5V/2A) Wired charging | 15W Wired fast charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | 10.5 hours | 17 hours |
| Standby | 370 hours (15.4 days) | 750 hours (31.3 days) |
➕ Other features | ||
| LG K51S (K510HM) | Alcatel A7 XL (7071D) | |
| 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: Titanium, Blue, Pink/Red • Silicone case included • Google Assistant (dedicated side button) • DTS:X 3D audio | • Colors: Black, Blue, Gold, Rose Gold • Fast battery charging: 100% in 3h • WiFi display |
☢️ Radiation rate | ||
| LG K51S (K510HM) | Alcatel A7 XL (7071D) | |
| 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 |