Xiaomi Mi 9 (64GB) vs LG K51 (K500UMT3)

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Side by side comparison between Xiaomi Mi 9 vs LG K51 phones, differences, pros, cons and full specifications. What's the better?

7/12/2020 10:57 PM, updated: 8/6/2020 1:52 PM

Compare LG K51 X Xiaomi Mi 9 (64GB) 23Points

Specifications Compare Models Pictures

6.39"
AMOLED

1080x2340

48
MP

20mp

6GB
RAM

Octa-core

3300
mAh

(Non removable)

05Points LG K51 (K500UMT3) Compare Xiaomi Mi 9 X

Specifications Compare Models Pictures

6.5"
IPS

720x1560

13
MP

13mp

3GB
RAM

Octa-core

4000
mAh

(Non removable)

What's the better phone? Xiaomi Mi 9 (64GB)

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!

23 Advantages Xiaomi Mi 9 (64GB)	vs	5 Advantages LG K51 (K500UMT3)
+2.84GHz 64bit Octa-core (7nm)48% More powerful processor, you can open your applications faster	vs	2GHz 64bit Octa-core (12nm)
+6GB LPDDR4X100% More RAM memory. Typically more responsive and better for multitasking.	vs	3GB LPDDR3
+64GB (50GB available)178% More internal storage for applications and files	vs	32GB (18GB available)
+UFS 2.1Advantage Fastest write and read storage.	vs	eMMC 5.1
+173 grams (6.06 ounces)18% Lighter	vs	204 grams (7.14 ounces)
+7.61 millimeters (0.3 inches)11% Thinner	vs	8.47 millimeters (0.33 inches)
+Aluminum frame, glass front/backAdvantage More resistant material	vs	Plastic body, glass front
+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid	vs	TFT IPS LCD
+1080x2340 pixels125% Higher resolution screen	vs	720x1560 pixels
+403 PPI53% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	264 PPI
+(triple camera) 48MP + 16MP + 12MP3 times Higher resolution main camera	vs	(triple camera) 13MP + 5MP + 2MP
+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light	vs	LED flash
+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures	vs	Only digital zoom
+1/2" inches50% The larger sensor camera lets you take photos with better depth.	vs	1/3" inches
+(front) 20MP56% Higher resolution secondary camera to take pictures and selfies	vs	(front) 13MP
+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera	vs	Full HD (1920x1080)
+(4G LTE-A) 1024 Mbps2 times Faster for surfing the internet and download files	vs	(4G LTE-A) 300 Mbps
+Face unlock 2DAdvantage Sensors help you use the device	vs	Not supported
+27W170% 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.	vs	10W
+Qi wireless chargingAdvantage Wireless charging is another way to charge the battery.	vs	Not supported
+2 slots (Dual-SIM)Advantage You can have more mobile carriers/operators on the same device.	vs	1 slot (Single-SIM) (dedicated slot)
+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.	vs	Not supported
+NFCAdvantage NFC allows you to make payments by approach quickly and securely	vs	Not supported
Not supported	vs	+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards
6.39"	vs	+6.5"2% Larger screen
3300 mAh	vs	+4000 mAh21% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Type-C jack with 3.5mm jack adapter	vs	+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores
Not supported	vs	+MIL-STD-810G military certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example

27 Common items in both devices

16 million

LDAF/PDAF: laser/phase detection autofocus / PDAF: phase detection autofocus

EIS: Digital stabilization

HDR photo on both cameras

f/1.8 (aperture)

(front) Full HD (1920x1080)

Android 10

+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

📱 Model features
	Xiaomi Mi 9 (64GB)	LG K51 (K500UMT3)
Change model		Choose the model
Model	Xiaomi Mi 9 (64GB)	K51 (K500UMT3)
Other model names	小米9, Xiaomi Mi9 (6GB RAM), M1902F1A, M1902F1G, M1902F1T	LG K51 (T-Mobile) LMK500UMT3ATMOTN, LM-K500UMT3
Country or region available	China, (Global, International)	USA
Brand	Xiaomi	LG
Release date	3/1/2019	5/1/2020
Depth	7.61 millimeters (0.3 inches)	8.47 millimeters (0.33 inches)
Size (width x height)	74.67 x 157.5 millimeters (2.94 x 6.2 in)	77.92 x 166.96 millimeters (3.07 x 6.57 in)
Weight	173 grams (6.06 ounces)	204 grams (7.14 ounces)
Build, materials	Aluminum frame, glass front/back	Plastic body, glass front
Protection against water and others	Not supported	MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant.
📲 Display
	Xiaomi Mi 9 (64GB)	LG K51 (K500UMT3)
Display type	Super AMOLED	TFT IPS LCD
Screen size	6.39" inches	6.5" inches
Screen-to-body ratio	~85.2% (screen-to-body ratio)	~79.7% (screen-to-body ratio)
Display resolution	1080x2340 pixels	720x1560 pixels (19.5:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	403 PPI	264 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 6	Panda King Glass
Refresh rate	feature not registered	60Hz
Display features	feature not registered	Not supported
🤖 Operating System
	Xiaomi Mi 9 (64GB)	LG K51 (K500UMT3)
System version	Android 9.0 Pie	Android 10
Firmware update	Android 10	feature not registered
User Interface	feature not registered	feature not registered
⚙️ Processor
	Xiaomi Mi 9 (64GB)	LG K51 (K500UMT3)
Chipset	64bit: Qualcomm Snapdragon 855 (SM8150) (7nm)	64bit: MediaTek Helio P22 (MT6762) (12nm)
CPU	Octa-core, 3 processors: 1x 2.84GHz Kryo 485 (Single-core) 3x 2.42GHz Kryo 485 (Triple-core) 4x 1.78GHz Kryo 485 (Quad-core)	Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	Qualcomm Adreno 640 (585MHz)	PowerVR GE8320 (650MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Xiaomi Mi 9 (64GB)	LG K51 (K500UMT3)
RAM memory	6GB LPDDR4X	3GB LPDDR3
Internal storage	64GB (50GB available) UFS 2.1	32GB (18GB available) eMMC 5.1
External storage	Not supported	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Xiaomi Mi 9 (64GB)	LG K51 (K500UMT3)
Dual-SIM	Dual-SIM Standby - Call active on one sim card	Not supported
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	1 slot (Single-SIM) nano-SIM (4FF)
Maximum Download / Upload	1024/150 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	CDMA 800, GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100	UMTS 850/900/1900/2100
Primary 4G network	LTE Cat16/13 VoLTE Global version: LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 20, 28) TD-LTE (Bands 38, 39, 40) China version: LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 17) TD-LTE (Bands 34, 38, 39, 40, 41)	LTE Cat6 (1, 2, 3, 4, 5, 7, 12, 13, 20, 25, 26, 66, 71) TD-LTE (38, 41)
Primary 5G network	Not supported	Not supported
Primary data network	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	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G network	GSM 850/900/1800/1900	Not supported
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE	Not supported
📷 Camera
	Xiaomi Mi 9 (64GB)	LG K51 (K500UMT3)
Back camera (main camera)	(triple camera) 48 megapixels 16MP ultrawide f/2.213mm1/3.0"1.0µmPDAF 12MP telephoto f/2.254mm1/3.6"1.0µmPDAF2x-optical-zoom	(triple camera) 13 megapixels 5MP ultrawide f/2.21.12μm1/5"115° 2MP depth f/2.41.75μm1/5"85°
Main camera resolution	8000x6000 pixels	4128x3096 pixels
Video recording (primary)	4K UHD (3840x2160) 60 fps	Full HD (1920x1080) 30 fps
Flash	Dual-LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/1.8 (aperture)
Focal length	feature not registered	26mm (lens)
Sensor size	1/2" inches	1/3" inches
Pixel size	0.8µm pixel	1.12µm pixel
Autofocus	LDAF/PDAF: laser/phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	EIS: Digital stabilization
Zoom	Digital and optical 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
	Xiaomi Mi 9 (64GB)	LG K51 (K500UMT3)
Front camera (secondary)	20 megapixels	13 megapixels
Front camera resolution	5184x3840 pixels	4128x3096 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/2.0 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	1/3" inches
Pixel size	0.9µm pixel	1.12µm pixel
🔉 Sound and multimedia
	Xiaomi Mi 9 (64GB)	LG K51 (K500UMT3)
Loudspeaker	Supported	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
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
	Xiaomi Mi 9 (64GB)	LG K51 (K500UMT3)
USB	USB 2.0 Type-C, USB OTG On-The-Go	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	Type-C jack with 3.5mm jack adapter	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	5.0 + A2DP/LE	5.0 + 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 [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS	A-GPS, GeoTagging, GLONASS
NFC	Supported	Not supported
Infrared port	Supported	Not supported
🧭 Sensors
	Xiaomi Mi 9 (64GB)	LG K51 (K500UMT3)
Sensors	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor	Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Xiaomi Mi 9 (64GB)	LG K51 (K500UMT3)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3300 mAh	4000 mAh
Charger, watts	27W Wired fast charging	10W (5V/2A) Wired charging
Inductive / wireless charging	Qi wireless charging	Not supported
Talk time autonomy	feature not registered	21 hours
Standby	feature not registered	576 hours (24 days)
➕ Other features
	Xiaomi Mi 9 (64GB)	LG K51 (K500UMT3)
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: Piano Black, Lavender Violet, Ocean Blue • MIUI 10 • HDR10/DCI-P3 display • Sapphire glass camera cover • Quick Charge 4+ • Fast wireless charging 20W	• Colors: Titan gray • Google Assistant • DTS:X 3D sound surround • HAC M3/T3
☢️ Radiation rate
	Xiaomi Mi 9 (64GB)	LG K51 (K500UMT3)
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