LG K51 (K500UMT3) vs Asus Zenfone AR (ZS571KL 256GB)
Side by side comparison between LG K51 vs Asus Zenfone AR phones, differences, pros, cons and full specifications. What's the better?
,
6.5"
IPS
IPS
720x1560
13
MP
MP
13mp
3GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
vs
5.7"
AMOLED
AMOLED
1440x2560
23
MP
MP
8mp
8GB
RAM
RAM
Quad-core
3300
mAh
mAh
(Non removable)
What's the better phone? Asus Zenfone AR (ZS571KL 256GB)
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!
9 Advantages 
19 Advantages | 23 Common items in both devices |
| Until 1TB microSD, microSDXC |
| 60Hz |
| 16 million |
| Only digital zoom |
| PDAF: phase detection autofocus |
| HDR photo on both cameras |
| (front) Full HD (1920x1080) |
| +16 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 (K500UMT3) | Asus Zenfone AR (ZS571KL 256GB) | |
| Model | K51 (K500UMT3) | Zenfone AR (ZS571KL 256GB) |
| Other model names | LG K51 (T-Mobile) LMK500UMT3ATMOTN, LM-K500UMT3 | Asus Zenfone AR ZS571KL (256GB+8GB RAM) A002A, A002 |
| Country or region available |  USA |  (Global, International) |
| Brand | LG | Asus |
| Release date | 5/1/2020 | 5/1/2017, Announced: 1/9/2017 |
| Depth | 8.47 millimeters (0.33 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 77.92 x 166.96 millimeters (3.07 x 6.57 in) | 77.4 x 158.7 millimeters (3.05 x 6.25 in) |
| Weight | 204 grams (7.14 ounces) | 170 grams (5.95 ounces) |
| Build, materials | Plastic body, glass front | Aluminum body, glass front, plastic back |
| 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 (K500UMT3) | Asus Zenfone AR (ZS571KL 256GB) | |
| Display type | TFT IPS LCD | Super AMOLED |
| Screen size | 6.5" inches | 5.7" inches |
| Screen-to-body ratio | ~79.7% (screen-to-body ratio) | ~72.9% (screen-to-body ratio) |
| Display resolution | 720x1560 pixels (19.5:9) | 1440x2560 pixels (16:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 264 PPI | 515 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Panda King Glass | Gorilla Glass 4 |
| Refresh rate | 60Hz | 60Hz |
| Display features | Not supported | Not supported |
🤖 Operating System | ||
| LG K51 (K500UMT3) | Asus Zenfone AR (ZS571KL 256GB) | |
| System version | Android 10 | Android 7.0 Nougat |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | ZenUI 3.0 |
⚙️ Processor | ||
| LG K51 (K500UMT3) | Asus Zenfone AR (ZS571KL 256GB) | |
| Chipset | 64bit: MediaTek Helio P22 (MT6762) (12nm) | 64bit: Qualcomm Snapdragon 821 MSM8996 (14nm) |
| CPU | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core) | Quad-core, 2 processors: 2x 2.35GHz Kryo (Dual-core) 2x 1.6GHz Kryo (Dual-core) |
| GPU graphical controller | PowerVR GE8320 (650MHz) | Qualcomm Adreno 530 650Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| LG K51 (K500UMT3) | Asus Zenfone AR (ZS571KL 256GB) | |
| RAM memory | 3GB LPDDR3 | 8GB LPDDR4 |
| Internal storage | 32GB (18GB available) eMMC 5.1 | 256GB (238GB available) UFS 2.0 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| LG K51 (K500UMT3) | Asus Zenfone AR (ZS571KL 256GB) | |
| 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 | 600/75 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 850/900/1900/2100 | Global version: UMTS 800/850/900/1900/2100 America version: UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat6 (1, 2, 3, 4, 5, 7, 12, 13, 20, 25, 26, 66, 71) TD-LTE (38, 41) | LTE Cat12 VoLTE Global version: LTE (Bands 1, 2, 3, 5, 7, 8, 18, 19, 20, 26, 28) TD-LTE (Bands 38, 40, 41) America version: LTE (Bands 1, 2, 3, 4, 5, 7, 12, 13, 20, 29) |
| 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+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 850/900/1900/2100 |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
📷 Camera | ||
| LG K51 (K500UMT3) | Asus Zenfone AR (ZS571KL 256GB) | |
| Back camera (main camera) | (triple camera) 13 megapixels 5MP ultrawide f/2.21.12μm1/5"115° 2MP depth f/2.41.75μm1/5"85° | 23 megapixels |
| Main camera resolution | 4128x3096 pixels | 5536x4152 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | f/1.8 (aperture) | f/2.0 (aperture) |
| Focal length | 26mm lens | 27mm lens |
| Sensor size | 1/3" inches | 1/2.6" inches |
| Pixel size | 1.12µm pixel | 1µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | OIS (4-axis): Optical 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 on both cameras |
| Camera extras | feature not registered | Motion tracking sensors |
📸 Front camera | ||
| LG K51 (K500UMT3) | Asus Zenfone AR (ZS571KL 256GB) | |
| Front camera (secondary) | 13 megapixels | 8 megapixels |
| Front camera resolution | 4128x3096 pixels | 3264x2448 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.0 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/3" inches | 1/4" inches |
| Pixel size | 1.12µm pixel | 1.12µm pixel |
🔉 Sound and multimedia | ||
| LG K51 (K500UMT3) | Asus Zenfone AR (ZS571KL 256GB) | |
| Loudspeaker | Supported | Mono sound (not stereo) Hi-Res audio |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| LG K51 (K500UMT3) | Asus Zenfone AR (ZS571KL 256GB) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | 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 | 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 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| LG K51 (K500UMT3) | Asus Zenfone AR (ZS571KL 256GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (front-mounted) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG K51 (K500UMT3) | Asus Zenfone AR (ZS571KL 256GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 4000 mAh | 3300 mAh |
| Charger, watts | 10W (5V/2A) Wired charging | 18W (9V/2A) Wired fast charging Quick Charge 3 |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | 21 hours | feature not registered |
| Standby | 576 hours (24 days) | feature not registered |
➕ Other features | ||
| LG K51 (K500UMT3) | Asus Zenfone AR (ZS571KL 256GB) | |
| Call control | Voice dialing, Voice recorder | 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, 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 • Tango and Daydream by Google |
☢️ Radiation rate | ||
| LG K51 (K500UMT3) | Asus Zenfone AR (ZS571KL 256GB) | |
| 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 |