LG K40S (X430BMW) vs Xiaomi Redmi K20 (128GB)

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Side by side comparison between LG K40S vs Xiaomi Redmi K20 phones, differences, pros, cons and full specifications. What's the better?

3/14/2020 1:49 PM, updated: 7/1/2020 9:41 PM

Compare Xiaomi Redmi K20 X LG K40S (X430BMW) 04Points

Specifications Compare Models Pictures

6.1"
IPS

720x1520

13
MP

13mp

3GB
RAM

Octa-core

3500
mAh

(Non removable)

26Points Xiaomi Redmi K20 (128GB) Compare LG K40S X

Specifications Compare Models Pictures

6.39"
AMOLED

1080x2340

48
MP

20mp

6GB
RAM

Octa-core

4000
mAh

(Non removable)

What's the better phone? Xiaomi Redmi K20 (128GB)

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!

4 Advantages LG K40S (X430BMW)	vs	26 Advantages Xiaomi Redmi K20 (128GB)
+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards	vs	Not supported
+186 grams (6.51 ounces)3% Lighter	vs	191 grams (6.69 ounces)
+8.6 millimeters (0.34 inches)2% Thinner	vs	8.8 millimeters (0.35 inches)
+MIL-STD-810G military certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example	vs	Not supported
2GHz 64bit Octa-core (12nm)	vs	+2.2GHz 64bit Octa-core (8nm)32% More powerful processor, you can open your applications faster
3GB LPDDR3	vs	+6GB LPDDR4X100% More RAM memory. Typically more responsive and better for multitasking.
32GB (18GB available)	vs	+128GB (109GB available)5 times More internal storage for applications and files
eMMC 5.1	vs	+UFS 2.1Advantage Fastest write and read storage.
Plastic body, glass front	vs	+Aluminum frame, glass front/backAdvantage More resistant material
TFT IPS LCD	vs	+AMOLEDAdvantage AMOLED display is brighter and more vivid
Not supported	vs	+HDR10Advantage The HDR10 display provides vibrant colors and more details
720x1520 pixels	vs	+1080x2340 pixels131% Higher resolution screen
276 PPI	vs	+403 PPI46% Crisper display of text, images and videos because it has more pixels per inch (ppi)
6.1"	vs	+6.39"5% Larger screen
(dual camera) 13MP + 5MP	vs	+(triple camera) 48MP + 8MP + 13MP3 times Higher resolution main camera
LED flash	vs	+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light
Only digital zoom	vs	+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures
f/2.0 (aperture)	vs	+f/1.8 (aperture)11% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 13MP	vs	+(front) 20MP56% Higher resolution secondary camera to take pictures and selfies
Full HD (1920x1080)	vs	+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera
Android 9.0 Pie	vs	+Android 10Advantage Android 10 is newer and safer
(4G LTE-A) 300 Mbps	vs	+(4G LTE-A) 800 Mbps167% Faster for surfing the internet and download files
Not supported	vs	+CompassAdvantage Sensors help you use the device
Not supported	vs	+GyroscopeAdvantage Sensors help you use the device
3500 mAh	vs	+4000 mAh14% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
6W	vs	+18W2 times More power (watts) to charge the battery faster. Sometimes, the charger that comes with the device doesn't have the same power supported by the device. Check before you buy it.
802.11 b/g/n [wifi4]	vs	+802.11 a/b/g/n/ac [wifi5]Advantage WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely
MicroUSB 2.0, USB OTG On-The-Go	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.
Not supported	vs	+Gorilla Glass 5Advantage Protection against scratches on the screen lets you carry your phone with your keys

22 Common items in both devices

60Hz

16 million

PDAF: phase detection autofocus

EIS: Digital stabilization

HDR photo on both cameras

(front) Full HD (1920x1080)

4G LTE-A

+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 K40S (X430BMW)	Redmi K20 (128GB)
Change model		Choose the model
Model	K40S (X430BMW)	Redmi K20 (128GB)
Other model names	LG K40s LM-X430BMW, LMX430BMW (3GB RAM)	Xiaomi Redmi K20 M1903F10A, M1903F10C, MZB7754IN, MZB7755IN
Country or region available	Brazil	China, India
Brand	LG	Xiaomi
Release date	9/1/2019	6/1/2019
Depth	8.6 millimeters (0.34 inches)	8.8 millimeters (0.35 inches)
Size (width x height)	73.9 x 156.3 millimeters (2.91 x 6.15 in)	74.3 x 156.7 millimeters (2.93 x 6.17 in)
Weight	186 grams (6.51 ounces)	191 grams (6.69 ounces)
Build, materials	Plastic body, glass front	Aluminum frame, glass front/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 K40S (X430BMW)	Redmi K20 (128GB)
Display type	TFT IPS LCD	AMOLED
Screen size	6.1" inches	6.39" inches
Screen-to-body ratio	~80.4% (screen-to-body ratio)	~86.1% (screen-to-body ratio)
Display resolution	720x1520 pixels (19:9)	1080x2340 pixels (19.5:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	276 PPI	403 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Gorilla Glass 5
Refresh rate	60Hz	60Hz
Display features	Not supported	600nits[typ] HDR10
🤖 Operating System
	LG K40S (X430BMW)	Redmi K20 (128GB)
System version	Android 9.0 Pie	Android 9.0 Pie
Firmware update	feature not registered	Android 10
User Interface	feature not registered	feature not registered
⚙️ Processor
	LG K40S (X430BMW)	Redmi K20 (128GB)
Chipset	64bit: MediaTek Helio P22 (MT6762) (12nm)	64bit: Qualcomm Snapdragon 730 (SM7150-AA) (8nm)
CPU	Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core)	Octa-core, 2 processors: 2x 2.2GHz Kryo 470 Gold (Dual-core) 6x 1.8GHz Kryo 470 Silver (Hexa-core)
GPU graphical controller	PowerVR GE8320 (650MHz)	Qualcomm Adreno 618 (610MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	LG K40S (X430BMW)	Redmi K20 (128GB)
RAM memory	3GB LPDDR3	6GB LPDDR4X
Internal storage	32GB (18GB available) eMMC 5.1	128GB (109GB available) UFS 2.1
External storage	Until 1TB microSD, microSDXC (dedicated slot)	Not supported
📶 Mobile networks
	LG K40S (X430BMW)	Redmi K20 (128GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)	Dual-SIM Standby - Call active on one sim card
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	300/50 Mbps	800/150 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	CDMA 800 (China), GSM 850/900/1800/1900
Primary 3G network	UMTS 850/900/1900/2100	MZB7754IN, MZB7755IN, MZB7756IN version: UMTS 850/900/1900/2100 M1903F10A, M1903F10C, M1903F10T version: CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100
Primary 4G network	LTE Cat6 (Bands 1, 2, 3, 5, 7, 8, 28)	LTE Cat15/13 VoLTE MZB7754IN, MZB7755IN, MZB7756IN version: LTE (Bands 1, 3, 5, 7, 8) TD-LTE (Bands 38, 40, 41) M1903F10A, M1903F10C, M1903F10T version: LTE (Bands 1, 3, 5, 7, 8) TD-LTE (Bands 34, 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, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, 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	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE	GPRS, EDGE
📷 Camera
	LG K40S (X430BMW)	Redmi K20 (128GB)
Back camera (main camera)	(dual camera) 13 megapixels 5MP ultrawide f/2.21.12μm117°	(triple camera) 48 megapixels 8MP telephoto f/2.453mm1/4"1.12µmPDAF2x-optical-zoom 13MP ultrawide f/2.412mm1/3"1.12µm
Main camera resolution	4128x3096 pixels	8000x6000 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	Dual-LED flash
Focal aperture	f/2.0 (aperture)	f/1.8 (aperture)
Focal length	26mm lens	26mm lens
Sensor size	feature not registered	1/2" inches
Pixel size	1.12µm pixel	0.8µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	EIS: Digital stabilization
Zoom	Only digital zoom	Digital and optical 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 K40S (X430BMW)	Redmi K20 (128GB)
Front camera (secondary)	13 megapixels	20 megapixels *Motorized pop-up camera (slider)
Front camera resolution	4128x3096 pixels	5184x3840 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/2.2 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	1.12µm pixel	0.8µm pixel
🔉 Sound and multimedia
	LG K40S (X430BMW)	Redmi K20 (128GB)
Loudspeaker	Supported	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM	FM
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263, XviD, MKV	MP4, H.265, H.264, H.263, XviD
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	LG K40S (X430BMW)	Redmi K20 (128GB)
USB	MicroUSB 2.0, 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	5.0 + A2DP/LE
WiFi	802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Not supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	LG K40S (X430BMW)	Redmi K20 (128GB)
Sensors	Accelerometer Ambient light sensor Face unlock Fingerprint sensor (rear-mounted) Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	LG K40S (X430BMW)	Redmi K20 (128GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3500 mAh	4000 mAh
Charger, watts	6W (5V/1.2A) Wired charging	18W (9V/2A) Wired fast charging
Inductive / wireless charging	feature not registered	feature not registered
Talk time autonomy	16 hours	feature not registered
Standby	432 hours (18 days)	feature not registered
➕ Other features
	LG K40S (X430BMW)	Redmi K20 (128GB)
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: Aurora Black, Moroccan Blue • DTS:X 3D sound surround • Eco Playback	• Colors: Carbon black, Flame red, Glacier blue • MIUI 10 • HDR display • 24-bit/192kHz audio • Quick Charge 4+
☢️ Radiation rate
	LG K40S (X430BMW)	Redmi K20 (128GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	1.07W/kg (head), 0.72W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered