LG G6 (H871) vs LG X Fast (Dual K600Y)
Side by side comparison between LG G6 vs LG X Fast phones, differences, pros, cons and full specifications. What's the better?
,
5.7"
IPS
IPS
1440x2880
13
MP
MP
5mp
4GB
RAM
RAM
Quad-core
3300
mAh
mAh
(Non removable)
vs
5.5"
IPS
IPS
1440x2560
12.2
MP
MP
8mp
3GB
RAM
RAM
Hexa-core
3000
mAh
mAh
(Removable)
What's the better phone? LG G6 (H871)
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!
21 Advantages 
5 Advantages | 27 Common items in both devices |
| 32GB (21GB available) / 32GB (22GB available) |
| TFT IPS LCD |
| 16 million |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| 4K UHD (3840x2160) |
| (front) Full HD (1920x1080) |
| +20 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 G6 (H871) | LG X Fast (Dual K600Y) | |
| Model | LG G6 (H871) | LG X Fast (Dual K600Y) |
| Other model names | AT&T LG G6 32GB, LG-H871, LGH871 | LG X mach, LG fast K600Y, LG-K600Y, LGK600Y, LG X5 |
| Country or region available |  USA |  Taiwan |
| Brand | LG | LG |
| Release date | 3/10/2017, Announced: 2/26/2017 | 9/1/2016 |
| Depth | 7.9 millimeters (0.31 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 71.9 x 148.9 millimeters (2.83 x 5.86 in) | 76.5 x 149.1 millimeters (3.01 x 5.87 in) |
| Weight | 163 grams (5.71 ounces) | 156 grams (5.46 ounces) |
| Build, materials | Aluminum frame, glass front/back | feature not registered |
| Protection against water and others | IP68 certified: dust/waterproof over 1.5 meters and 30min. MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. | Not supported |
📲 Display | ||
| LG G6 (H871) | LG X Fast (Dual K600Y) | |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 5.7" inches | 5.5" inches |
| Screen-to-body ratio | ~78.3% (screen-to-body ratio) | ~73.1% (screen-to-body ratio) |
| Display resolution | 1440x2880 pixels (18:9) | 1440x2560 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 565 PPI | 534 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Gorilla Glass |
| Refresh rate | 60Hz | feature not registered |
| Display features | Dolby Vision/HDR10 Always-On Display | feature not registered |
🤖 Operating System | ||
| LG G6 (H871) | LG X Fast (Dual K600Y) | |
| System version | Android 7.0 Nougat | Android 6.0.1 Marshmallow |
| Firmware update | Android 9.0 Pie | feature not registered |
| User Interface | LG UX UI 6.0 / 8.0 | feature not registered |
⚙️ Processor | ||
| LG G6 (H871) | LG X Fast (Dual K600Y) | |
| Chipset | 64bit: Qualcomm Snapdragon 821 (MSM8996AC) (14nm) | 64bit: Qualcomm Snapdragon 808 MSM8992 (20nm) |
| CPU | Quad-core, 2 processors: 2x 2.35GHz Kryo (Dual-core) 2x 1.6GHz Kryo (Dual-core) | Hexa-core, 2 processors: 2x 1.8GHz ARM Cortex-A57 (Dual-core) 4x 1.4GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 530 (653MHz) | Qualcomm Adreno 418 |
| Performance (benchmark) | AnTuTu: 158785 (v7) Geekbench: 4175 (v4.4) GFXBench: 8.5fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
| LG G6 (H871) | LG X Fast (Dual K600Y) | |
| RAM memory | 4GB LPDDR4 | 3GB LPDDR3 |
| Internal storage | 32GB (21GB available) UFS 2.0 | 32GB (22GB available) |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| LG G6 (H871) | LG X Fast (Dual K600Y) | |
| 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 | 600/150 Mbps | 450/50 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 850/1700/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat12 (2, 4, 5, 12, 29, 30) | LTE Cat9 700/800/850/900/1700/1800/1900/2100/2600 (Bands 1,2,3,4,5,7,8,12,17,20,28) TD-LTE 1900/2300/2500/2600 (Bands 38,39,40,41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, 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 | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
| LG G6 (H871) | LG X Fast (Dual K600Y) | |
| Back camera (main camera) | (dual camera) 13 megapixels 13MP ultrawide f/2.41/4"12mm125°FF | 12.2 megapixels |
| Main camera resolution | 4160x3120 pixels | 4032x3024 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | feature not registered |
| Focal length | 30mm (lens) | feature not registered |
| Sensor size | 1/3" inches | feature not registered |
| Pixel size | 1.12µm pixel | 1.55µm pixel |
| Autofocus | PDAF: phase detection autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS (3-axis): Optical stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo/video and HDR photo on front camera | HDR photo only main camera |
| Camera extras | 1080p@60fps 720p@120fps | feature not registered |
📸 Front camera | ||
| LG G6 (H871) | LG X Fast (Dual K600Y) | |
| Front camera (secondary) | 5 megapixels | 8 megapixels |
| Front camera resolution | 2560x1920 pixels | 3264x2448 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | feature not registered |
| Focal length | 18mm (lens) | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| LG G6 (H871) | LG X Fast (Dual K600Y) | |
| Loudspeaker | Stereo sound 32-bit/192kHz | Supported |
| 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, DivX, XviD | MP4, H.264, H.263, DivX, XviD, MKV |
| Audio formats | MP3, WAV, eAAC+, FLAC | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| LG G6 (H871) | LG X Fast (Dual K600Y) | |
| USB | USB 3.1 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | USB Type-C SlimPort® | Not supported |
| Bluetooth | 4.2 + A2DP | 4.1 + 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 | Supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| LG G6 (H871) | LG X Fast (Dual K600Y) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG G6 (H871) | LG X Fast (Dual K600Y) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 3300 mAh | 3000 mAh |
| Charger, watts | 18W Wired fast charging Quick Charge 3 | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | 23.5 hours | 13 hours |
| Standby | 408 hours (17 days) | 300 hours (12.5 days) |
➕ Other features | ||
| LG G6 (H871) | LG X Fast (Dual K600Y) | |
| Call control | Voice dialing, Voice recorder, Voice commands | 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: Astro black, Mystic white, Ice platinum • Fast battery charging: 50% in 30min • Knock Code, KnockOn | • Colors: Titan, White • USB OTG On-The-Go • LG AirDrive, KnockCode • Slow motion • Miracast • WiFi Dual-Band |
☢️ Radiation rate | ||
| LG G6 (H871) | LG X Fast (Dual K600Y) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.605W/kg (head), 1.1W/kg (body) |