LG K51 (K500UMT) vs Apple iPhone Air (256GB)
Side by side comparison between LG K51 vs Apple iPhone Air 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
6.5"
OLED
OLED
1260x2736
48
MP
MP
18mp
12GB
RAM
RAM
Hexa-core
3149
mAh
mAh
(Non removable)
What's the better phone? Apple iPhone Air (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!
6 Advantages 
33 Advantages | 20 Common items in both devices |
| 6.5" |
| Only digital zoom |
| PDAF: phase detection autofocus / PDAF: phase detection autofocus on both cameras |
| HDR photo on both cameras / HDR photo/video on both cameras |
| Capacitive |
| Multitouch |
| Accelerometer |
| +13 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 (K500UMT) | iPhone Air (256GB) | |
| Model | K51 (K500UMT) | iPhone Air (256GB) |
| Other model names | LG K51 (Verizon) LMK500UMTAVRZTN, LM-K500UMT | iPhone 17 Air (A3260, A3517, A3518) |
| Country or region available |  USA |  (Global, International) |
| Brand | LG | Apple |
| Release date | 5/1/2020 | 9/19/2025, Announced: 9/9/2025 |
| Depth | 8.47 millimeters (0.33 inches) | 5.6 millimeters (0.22 inches) |
| Size (width x height) | 77.92 x 166.96 millimeters (3.07 x 6.57 in) | 74.7 x 156.2 millimeters (2.94 x 6.15 in) |
| Weight | 204 grams (7.14 ounces) | 165 grams (5.78 ounces) |
| Build, materials | Plastic body, glass front | Titanium frame, glass front and back Back: Ceramic Shield |
| Protection against water and others | MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| LG K51 (K500UMT) | iPhone Air (256GB) | |
| Display type | TFT IPS LCD | LTPO Super Retina XDR OLED |
| Screen size | 6.5" inches | 6.5" inches |
| Screen-to-body ratio | ~79.7% (screen-to-body ratio) | ~88.8% (screen-to-body ratio) |
| Display resolution | 720x1560 pixels (19.5:9) | 1260x2736 pixels (19.5:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 264 PPI | 463 PPI |
| Colors | 16 million | 1 billion |
| Scratch-resistant glass | Panda King Glass | Ceramic Shield 2 |
| Refresh rate | 60Hz | 120Hz |
| Display features | Not supported | 1000nits[typ], 3000nits[peak] Dolby Vision/HDR10 Always-On Display Oleophobic coating screen True-tone Wide color gamut |
🤖 Operating System | ||
| LG K51 (K500UMT) | iPhone Air (256GB) | |
| System version | Android 10 | iOS 26 |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| LG K51 (K500UMT) | iPhone Air (256GB) | |
| Chipset | 64bit: MediaTek Helio P22 (MT6762) (12nm) | 64bit: Apple A19 Pro (3nm) |
| CPU | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core) | Hexa-core, 2 processors: 2x 4.26GHz P-Core (Dual-core) 4x 2.2GHz E-Core (Quad-core) |
| GPU graphical controller | PowerVR GE8320 (650MHz) | A19 Pro GPU (5-core) |
| Performance (benchmark) | feature not registered | AnTuTu: 2000993 (v10) Geekbench: 9682 (v6.5) |
💽 Memory and storage | ||
| LG K51 (K500UMT) | iPhone Air (256GB) | |
| RAM memory | 3GB LPDDR3 | 12GB LPDDR5X |
| Internal storage | 32GB (18GB available) eMMC 5.1 | 256GB (230GB available) NVMe (SSD) |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| LG K51 (K500UMT) | iPhone Air (256GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | e-SIM (Eletronic) |
| Maximum Download / Upload | 300/50 Mbps | 5000/1024 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G, 5G |
| 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 | CDMA 800/1900, GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO UMTS 850/900/1900/2100 | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat6 (2, 3, 4, 5, 7, 12, 13, 20, 66) | LTE Cat20 VoLTE A3517 (International): LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 53, 66) TD-LTE (34, 38, 39, 40, 41, 42, 48) A3260 (USA): LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 53, 66, 71) TD-LTE (34, 38, 39, 40, 41, 42, 48) A3518 (Canada, Mexico, EMEA): LTE (1, 2, 3, 4, 5, 7, 8, 11, 12, 13, 14, 17, 18, 19, 20, 21, 25, 26, 28, 29, 30, 32, 53, 66, 71) TD-LTE (34, 38, 39, 40, 41, 42, 48) |
| Primary 5G network | Not supported | A3517 (International): SA/NSA/Sub6 (1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 30, 38, 40, 41, 48, 53, 66, 70, 75, 77, 78, 79) A3260 (USA): SA/NSA/Sub6 (1, 2, 3, 5, 7, 8, 12, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 53, 66, 70, 71, 75, 77, 78, 79) A3518 (Canada, Mexico, EMEA): SA/NSA/Sub6 (1, 2, 3, 5, 7, 8, 12, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 53, 66, 70, 71, 75, 77, 78, 79) |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6, mmWave |
| 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 K51 (K500UMT) | iPhone Air (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° | 48 megapixels |
| Main camera resolution | 4128x3096 pixels | 8000x6000 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 60 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.6 (aperture) |
| Focal length | 26mm (lens) | 26mm (lens) |
| Sensor size | 1/3" inches | 1/1.56" inches |
| Pixel size | 1.12µm pixel | 1µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus on both cameras |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | OIS: Optical stabilization on both cameras |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Supported |
| HDR | HDR photo on both cameras | HDR photo/video on both cameras |
| Camera extras | feature not registered | 4K@24/25/30/60fps 1080p@25/30/60/120/240fps Dolby Vision (60fps) 10-bit HDR |
📸 Front camera | ||
| LG K51 (K500UMT) | iPhone Air (256GB) | |
| Front camera (secondary) | 13 megapixels | (dual front camera) 18 megapixels 0.3MP SL 3D |
| Front camera resolution | 4128x3096 pixels | 5184x3456 pixels |
| Video recording (secondary) | Full HD (1920x1080) | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/1.9 (aperture) |
| 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 (K500UMT) | iPhone Air (256GB) | |
| Loudspeaker | Supported | Mono sound (not stereo) Dolby Atmos Spatial Audio 3D |
| Active noise cancellation | 2 microphones or more | 2 microphones |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| LG K51 (K500UMT) | iPhone Air (256GB) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 2.0 Type-C reversible connector |
| Audio output | 3.5mm jack | Type-C reversible connector |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 5.0 + A2DP/LE | 6.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac/ax/be [wifi7/6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| LG K51 (K500UMT) | iPhone Air (256GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock 3D Gyroscope Proximity sensor UWB (Ultra Wideband) |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG K51 (K500UMT) | iPhone Air (256GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 4000 mAh | 3149 mAh |
| Charger, watts | 10W (5V/2A) Wired charging | 30W Wired fast charging 4.5W Reverse charging by cable USB Power Delivery 2.0 |
| Inductive / wireless charging | Not supported | 25W Qi2 wireless charging |
| Talk time autonomy | 21 hours | feature not registered |
| Standby | 576 hours (24 days) | feature not registered |
➕ Other features | ||
| LG K51 (K500UMT) | iPhone Air (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: Space Black, Cloud White, Light Gold, Sky Blue • Apple Intelligence • Apple Pay • Face ID • MagSafe |
☢️ Radiation rate | ||
| LG K51 (K500UMT) | iPhone Air (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 |