LG X Fast (Dual K600Y) vs LG G4 (Dual H818N)
Side by side comparison between LG X Fast vs LG G4 phones, differences, pros, cons and full specifications. What's the better?
,
5.5"
IPS
IPS
1440x2560
12.2
MP
MP
8mp
3GB
RAM
RAM
Hexa-core
3000
mAh
mAh
(Removable)
vs
5.5"
IPS
IPS
1440x2560
16
MP
MP
8mp
3GB
RAM
RAM
Hexa-core
3000
mAh
mAh
(Removable)
What's the better phone? LG G4 (Dual H818N)
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!
![]() | vs | ![]() |
+Until 256GB microSD, microSDXC100% More external storage for files using memory cards | vs | Until 128GB microSD, microSDXC |
+8.9 millimeters (0.35 inches)10% Thinner | vs | 9.8 millimeters (0.39 inches) |
+(4G LTE-A) 450 Mbps50% Faster for surfing the internet and download files | vs | (4G LTE-A) 300 Mbps |
+Fingerprint sensorAdvantage Sensors help you use the device | vs | Not supported |
32GB (22GB available) | vs | +32GB (25GB available)14% More internal storage for applications and files |
156 grams (5.46 ounces) | vs | +155 grams (5.43 ounces)1% Lighter |
(back) 12.2MP | vs | +(back) 16MP30% Higher resolution main camera |
EIS: Digital stabilization | vs | +OIS (3-axis): Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video |
Android 6.0.1 Marshmallow | vs | +Android 7.0 NougatAdvantage Android 7.0 Nougat is newer and safer |
Not supported | vs | +BarometerAdvantage Sensors help you use the device |
39 Common items in both devices |
1.8GHz 64bit Hexa-core |
3GB LPDDR3 |
TFT IPS LCD |
16 million |
1440x2560 pixels |
534 PPI |
5.5" |
+32 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 X Fast (Dual K600Y) | LG G4 (Dual H818N) | |
Change model | ||
Model | LG X Fast (Dual K600Y) | LG G4 (Dual H818N) |
Other model names | LG X mach, LG fast K600Y, LG-K600Y, LGK600Y, LG X5 | LG G4 Dual-SIM H818N, LG-H818N, LG P1 |
Country or region available | ![]() Taiwan | ![]() ![]() ![]() China, Hong Kong, India |
Brand | LG | LG |
Release date | 9/1/2016 | 5/1/2015, Announced: 4/28/2015 |
Depth | 8.9 millimeters (0.35 inches) | 9.8 millimeters (0.39 inches) |
Size (width x height) | 76.5 x 149.1 millimeters (3.01 x 5.87 in) | 76.1 x 148.9 millimeters (3 x 5.86 in) |
Weight | 156 grams (5.46 ounces) | 155 grams (5.43 ounces) |
Build, materials | feature not registered | Plastic body, glass front |
Protection against water and others | Not supported | Not supported |
📲 Display | ||
LG X Fast (Dual K600Y) | LG G4 (Dual H818N) | |
Display type | TFT IPS LCD | TFT IPS LCD |
Screen size | 5.5" inches | 5.5" inches |
Screen-to-body ratio | ~73.1% (screen-to-body ratio) | ~73.6% (screen-to-body ratio) |
Display resolution | 1440x2560 pixels | 1440x2560 pixels (16:9) |
Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
Pixel density (dot pitch) | 534 PPI | 534 PPI |
Colors | 16 million | 16 million |
Scratch-resistant glass | Gorilla Glass | Gorilla Glass 3 |
Refresh rate | feature not registered | 60Hz |
Display features | feature not registered | Not supported |
🤖 Operating System | ||
LG X Fast (Dual K600Y) | LG G4 (Dual H818N) | |
System version | Android 6.0.1 Marshmallow | Android 5.1 Lollipop |
Firmware update | feature not registered | Android 7.0 Nougat |
User Interface | feature not registered | LG UX 4.0 UI |
⚙️ Processor | ||
LG X Fast (Dual K600Y) | LG G4 (Dual H818N) | |
Chipset | 64bit: Qualcomm Snapdragon 808 MSM8992 (20nm) | 64bit: Qualcomm Snapdragon 808 (MSM8992) (20nm) |
CPU | Hexa-core, 2 processors: 2x 1.8GHz ARM Cortex-A57 (Dual-core) 4x 1.4GHz ARM Cortex-A53 (Quad-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 418 | Qualcomm Adreno 418 (600MHz) |
Performance (benchmark) | feature not registered | Basemark OS II: 1584 (v2) |
💽 Memory and storage | ||
LG X Fast (Dual K600Y) | LG G4 (Dual H818N) | |
RAM memory | 3GB LPDDR3 | 3GB LPDDR3 |
Internal storage | 32GB (22GB available) | 32GB (25GB available) eMMC 5.0 |
External storage | Until 256GB microSD, microSDXC (dedicated slot) | Until 128GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
LG X Fast (Dual K600Y) | LG G4 (Dual H818N) | |
Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) micro-SIM (3FF) |
Maximum Download / Upload | 450/50 Mbps | 300/50 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 850/900/1900/2100 | TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 |
Primary 4G network | 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) | LTE Cat6 (1, 3, 7) TD-LTE (38, 39, 40, 41) |
Primary 5G network | Not supported | Not supported |
Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
Secondary 3G network | Not supported | UMTS 850/900/1900/2100 |
Secondary 4G network | Not supported | LTE Cat6 (1, 3, 7) TD-LTE (38, 39, 40, 41) |
Secondary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
📷 Camera | ||
LG X Fast (Dual K600Y) | LG G4 (Dual H818N) | |
Back camera (main camera) | 12.2 megapixels | 16 megapixels |
Main camera resolution | 4032x3024 pixels | 5312x2988 pixels |
Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 30 fps |
Flash | LED flash | LED flash |
Focal aperture | feature not registered | f/1.8 (aperture) |
Focal length | feature not registered | 28mm (lens) |
Sensor size | feature not registered | 1/2.6" inches |
Pixel size | 1.55µm pixel | 1.12µm pixel |
Autofocus | Autofocus | LDAF: laser detection autofocus |
Touch focus | Supported | Supported |
Image stabilization | EIS: Digital stabilization | OIS (3-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 only main camera | HDR photo/video only main camera |
Camera extras | feature not registered | 4K@30fps 1080p@30fps |
📸 Front camera | ||
LG X Fast (Dual K600Y) | LG G4 (Dual H818N) | |
Front camera (secondary) | 8 megapixels | 8 megapixels |
Front camera resolution | 3264x2448 pixels | 3264x2448 pixels |
Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
Front flash | Not supported | Not supported |
Focal aperture | feature not registered | f/2.0 (aperture) |
Focal length | feature not registered | feature not registered |
Sensor size | feature not registered | 1/4" inches |
Pixel size | feature not registered | 1.12µm pixel |
🔉 Sound and multimedia | ||
LG X Fast (Dual K600Y) | LG G4 (Dual H818N) | |
Loudspeaker | Supported | Mono sound (not stereo) 24-bit/192kHz |
Active noise cancellation | 2 microphones or more | 2 microphones or more |
Radio | FM | FM (RDS) |
TV | Not supported | Not supported |
Video formats | MP4, H.264, H.263, DivX, XviD, MKV | MP4, H.264, H.263, DivX, XviD, WMV |
Audio formats | MP3, WAV, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
LG X Fast (Dual K600Y) | LG G4 (Dual H818N) | |
USB | MicroUSB 2.0 | MicroUSB 2.0, USB OTG On-The-Go |
Audio output | 3.5mm jack | 3.5mm jack |
TV output | Not supported | Micro-B USB SlimPort |
Bluetooth | 4.1 + A2DP | 4.1 + A2DP |
WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
DLNA | Supported | Supported |
GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS |
NFC | Supported | Supported |
Infrared port | Not supported | Supported |
🧭 Sensors | ||
LG X Fast (Dual K600Y) | LG G4 (Dual H818N) | |
Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Gyroscope Proximity sensor |
Vibrating alert | Supported | Supported |
🔋 Battery | ||
LG X Fast (Dual K600Y) | LG G4 (Dual H818N) | |
Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
Battery capacity | 3000 mAh | 3000 mAh |
Charger, watts | Wired charging | 18W Wired fast charging Quick Charge 2 |
Inductive / wireless charging | feature not registered | Not supported |
Talk time autonomy | 13 hours | 12 hours |
Standby | 300 hours (12.5 days) | 315 hours (13.1 days) |
➕ Other features | ||
LG X Fast (Dual K600Y) | LG G4 (Dual H818N) | |
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: Titan, White • USB OTG On-The-Go • LG AirDrive, KnockCode • Slow motion • Miracast • WiFi Dual-Band | • Colors: Grey, White, Gold, Leather Black, Leather Brown, Leather Red • Knock Code • Quick Remote |
☢️ Radiation rate | ||
LG X Fast (Dual K600Y) | LG G4 (Dual H818N) | |
SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
SAR 2W/kg (Europe, UK, etc.) | 0.605W/kg (head), 1.1W/kg (body) | 0.62W/kg (head) |