LG K40 (X420EM) vs Blu Vivo Go (V0390WW)

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Side by side comparison between LG K40 vs Blu Vivo Go phones, differences, pros, cons and full specifications. What's the better?

8/3/2019 7:52 AM, updated: 3/14/2020 12:51 PM

Compare Blu Vivo Go X LG K40 (X420EM) 18Points

Specifications Compare Models Pictures

5.7"
IPS

720x1440

16
MP

8mp

2GB
RAM

Octa-core

3000
mAh

(Non removable)

04Points Blu Vivo Go (V0390WW) Compare LG K40 X

Specifications Compare Models Pictures

6"
IPS

720x1440

8
MP

5mp

1GB
RAM

Quad-core

2600
mAh

(Non removable)

What's the better phone? LG K40 (X420EM)

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!

18 Advantages LG K40 (X420EM)	vs	4 Advantages Blu Vivo Go (V0390WW)
+2GHz 64bit Octa-core (12nm)59% More powerful processor, you can open your applications faster	vs	1.5GHz 64bit Quad-core (28nm)
+2GB LPDDR3100% More RAM memory. Typically more responsive and better for multitasking.	vs	1GB LPDDR3
+32GB (20GB available)82% More internal storage for applications and files	vs	16GB (11GB available)
+Until 1TB microSD, microSDXC15 times More external storage for files using memory cards	vs	Until 64GB microSD, microSDXC
+145 grams (5.08 ounces)7% Lighter	vs	155 grams (5.43 ounces)
+8.3 millimeters (0.33 inches)1% Thinner	vs	8.4 millimeters (0.33 inches)
+282 PPI5% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	268 PPI
+(back) 16MP92% Higher resolution main camera	vs	(dual camera) 8MP + 0.3MP
+(front) 8MP63% Higher resolution secondary camera to take pictures and selfies	vs	(front) 5MP
+(front) Full HD (1920x1080)125% More image quality for recording videos with the secondary camera	vs	(front) HD (1280x720)
+(4G LTE-A) 300 Mbps100% Faster for surfing the internet and download files	vs	(4G LTE) 150 Mbps
+Ambient light sensorAdvantage Sensors help you use the device	vs	Not supported
+3000 mAh15% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	2600 mAh
+802.11 a/b/g/n/ac [wifi5]Advantage WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster	vs	802.11 b/g/n [wifi4]
+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.	vs	Not supported
+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster	vs	4.1 + A2DP
+NFCAdvantage NFC allows you to make payments by approach quickly and securely	vs	Not supported
+MIL-STD-810G military certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example	vs	Not supported
5.7"	vs	+6"5% Larger screen
Android 8.1 Oreo	vs	+Android 9.0 PieAdvantage Android 9.0 Pie is newer and safer
1 slot (Single-SIM) (dedicated slot)	vs	+2 slots (Dual-SIM) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.
Not supported	vs	+FMAdvantage The radio lets you listen to your songs and sports in general

22 Common items in both devices

eMMC 5.1

Plastic body, glass front

TFT IPS LCD

16 million

720x1440 pixels

LED flash on both cameras

Only digital zoom

+15 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

📱 Model features
	LG K40 (X420EM)	Blu Vivo Go (V0390WW)
Change model
Model	K40 (X420EM)	Vivo Go (V0390WW)
Other model names	LG K40 LMX420EM NFC Single-sim, LM-X420EM, LG-LMX420EM	BLU Vivo Go V0390WW (Android Go edition)
Country or region available	(Europe)	USA, (Global, International)
Brand	LG	Blu
Release date	3/31/2019	12/14/2018
Depth	8.3 millimeters (0.33 inches)	8.4 millimeters (0.33 inches)
Size (width x height)	71.9 x 153 millimeters (2.83 x 6.02 in)	75.2 x 156.7 millimeters (2.96 x 6.17 in)
Weight	145 grams (5.08 ounces)	155 grams (5.43 ounces)
Build, materials	Plastic body, glass front	Plastic body, glass front
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 K40 (X420EM)	Blu Vivo Go (V0390WW)
Display type	TFT IPS LCD	TFT IPS LCD
Screen size	5.7" inches	6" inches
Screen-to-body ratio	~76.2% (screen-to-body ratio)	~78.8% (screen-to-body ratio)
Display resolution	720x1440 pixels	720x1440 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	282 PPI	268 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Not supported
Refresh rate	feature not registered	feature not registered
Display features	feature not registered	feature not registered
🤖 Operating System
	LG K40 (X420EM)	Blu Vivo Go (V0390WW)
System version	Android 8.1 Oreo	Android 9.0 Pie
Firmware update	feature not registered	feature not registered
User Interface	feature not registered	feature not registered
⚙️ Processor
	LG K40 (X420EM)	Blu Vivo Go (V0390WW)
Chipset	64bit: MediaTek Helio P22 (MT6762) (12nm)	64bit: MediaTek MT6739 (28nm)
CPU	Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core)	Quad-core, 1 processor: 4x 1.5GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	PowerVR GE8320 (650MHz)	PowerVR GE8100 MP1 (570MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	LG K40 (X420EM)	Blu Vivo Go (V0390WW)
RAM memory	2GB LPDDR3	1GB LPDDR3
Internal storage	32GB (20GB available) eMMC 5.1	16GB (11GB available) eMMC 5.1
External storage	Until 1TB microSD, microSDXC (dedicated slot)	Until 64GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	LG K40 (X420EM)	Blu Vivo Go (V0390WW)
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 850/900/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat6 (Bands 1, 3, 5, 7, 8, 20) TD-LTE (Bands 38)	LTE Cat4 (Bands 1, 2, 3, 4, 7, 12, 17, 28)
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 K40 (X420EM)	Blu Vivo Go (V0390WW)
Back camera (main camera)	16 megapixels	(dual camera) 8 megapixels 0.3MP depth
Main camera resolution	4608x3456 pixels	3264x2448 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	Full HD (1920x1080) 30 fps
Flash	LED flash on both cameras	LED flash on both cameras
Focal aperture	f/2.0 (aperture)	feature not registered
Focal length	feature not registered	feature not registered
Sensor size	1/3" inches	feature not registered
Pixel size	1µm pixel	feature not registered
Autofocus	PDAF: phase detection autofocus	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 on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	LG K40 (X420EM)	Blu Vivo Go (V0390WW)
Front camera (secondary)	8 megapixels	5 megapixels
Front camera resolution	3264x2448 pixels	2560x1920 pixels
Video recording (secondary)	Full HD (1920x1080)	HD (1280x720)
Front flash	LED	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 K40 (X420EM)	Blu Vivo Go (V0390WW)
Loudspeaker	Supported	Supported
Active noise cancellation	2 microphones or more	Not supported
Radio	Not supported	FM
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263, XviD, MKV	MP4, H.264, H.263, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	LG K40 (X420EM)	Blu Vivo Go (V0390WW)
USB	MicroUSB 2.0, 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	4.1 + A2DP
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot
DLNA	Supported	Not supported
GPS	A-GPS, GeoTagging	A-GPS, GeoTagging
NFC	Supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	LG K40 (X420EM)	Blu Vivo Go (V0390WW)
Sensors	Accelerometer Ambient light sensor Fingerprint sensor (rear-mounted) Proximity sensor	Accelerometer Fingerprint sensor (rear-mounted) Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	LG K40 (X420EM)	Blu Vivo Go (V0390WW)
Battery type	Li-Ion: lithium-ion (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3000 mAh	2600 mAh
Charger, watts	Wired charging	Wired charging
Inductive / wireless charging	feature not registered	feature not registered
Talk time autonomy	8 hours	16 hours
Standby	100 hours (4.2 days)	550 hours (22.9 days)
➕ Other features
	LG K40 (X420EM)	Blu Vivo Go (V0390WW)
Call control	Voice dialing, Voice recorder	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: Black, Moroccan Blue, Platinum Gray • 18:9 ratio FullVision display • LED notification • DTS-X Surround sound	• Colors: Black • Android Go edition • Silicone Case included
☢️ Radiation rate
	LG K40 (X420EM)	Blu Vivo Go (V0390WW)
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