LG Optimus U (US670) vs Xiaomi Redmi 6A (32GB China)

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Side by side comparison between LG Optimus U vs Xiaomi Redmi 6A phones, differences, pros, cons and full specifications. What's the better?

8/21/2018 10:01 PM, updated: 5/10/2020 8:51 PM

Compare Xiaomi Redmi 6A X LG Optimus U (US670) 02Points

Specifications Compare Models Pictures

3.2"
TFT

320x480

3.1
MP

512MB
RAM

Single-core

1500
mAh

(Removable)

24Points Xiaomi Redmi 6A (32GB China) Compare LG Optimus U X

Specifications Compare Models Pictures

5.45"
IPS

720x1440

13
MP

5mp

3GB
RAM

Quad-core

3000
mAh

(Non removable)

What's the better phone? Xiaomi Redmi 6A (32GB China)

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!

2 Advantages LG Optimus U (US670)	vs	24 Advantages Xiaomi Redmi 6A (32GB China)
+130 grams (4.55 ounces)12% Lighter	vs	145 grams (5.08 ounces)
+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily	vs	Li-Ion: lithium-ion (Non removable)
600MHz 32bit Single-core	vs	+2GHz 64bit Quad-core4 times More powerful processor, you can open your applications faster
512MB	vs	+3GB LPDDR35 times More RAM memory. Typically more responsive and better for multitasking.
512MB (140MB available)	vs	+32GB (22GB available)160 times More internal storage for applications and files
Until 32GB microSD, microSDHC	vs	+Until 256GB microSD, microSDXC7 times More external storage for files using memory cards
13.2 millimeters (0.52 inches)	vs	+8.3 millimeters (0.33 inches)59% Thinner
TFT LCD	vs	+TFT IPS LCDAdvantage TFT IPS LCD display is brighter and more vivid
320x480 pixels	vs	+720x1440 pixels6 times Higher resolution screen
180 PPI	vs	+295 PPI64% Crisper display of text, images and videos because it has more pixels per inch (ppi)
3.2"	vs	+5.45"70% Larger screen
(back) 3.1MP	vs	+(back) 13MP3 times Higher resolution main camera
Not supported	vs	+LED flashAdvantage The LED flash helps in dark places or in low light
Not supported	vs	+(front) 5MPAdvantage A front-camera is best for taking selfies
VGA (640x480)	vs	+Full HD (1920x1080)6 times More image quality for recording videos with the primary camera
Android 2.2.2 Froyo	vs	+Android 8.1 OreoAdvantage Android 8.1 Oreo is newer and safer
3G CDMA2000 EV-DO Rev A	vs	+4G LTEAdvantage The 4G LTE network is newer and faster
(3G CDMA2000 EV-DO Rev A) 0.153 Mbps	vs	+(4G LTE) 150 Mbps979 times Faster for surfing the internet and download files
Not supported	vs	+Ambient light sensorAdvantage Sensors help you use the device
Not supported	vs	+Face unlockAdvantage Sensors help you use the device
1500 mAh	vs	+3000 mAh100% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supported	vs	+2 slots (Dual-SIM) (hybrid slot/shares the same microSD 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
802.11 b/g [wifi3]	vs	+802.11 b/g/n [wifi4]Advantage WiFi 802.11 b/g/n [wifi4] is newer and faster
2.1 + A2DP	vs	+4.2 + A2DPAdvantage Bluetooth 4.2 + A2DP is newer and faster
HTML, XHTML	vs	+HTML, XHTML, HTML5Advantage Better sites viewing on the internet

11 Common items in both devices

16 million

Only digital zoom

Autofocus / PDAF: phase detection autofocus

Capacitive

Multitouch

Accelerometer

Compass

+4 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 Optimus U (US670)	Redmi 6A (32GB China)
Change model		Choose the model
Model	Optimus U (US670)	Redmi 6A (32GB China)
Other model names	US Cellular LG Optimus U US670, LG US670	红米6A, Xiaomi 6A 3GB RAM + 32GB (Hybrid slot), Xiaomi Cactus
Country or region available	USA	China, Hong Kong
Brand	LG	Xiaomi
Release date	12/1/2010	6/1/2018
Depth	13.2 millimeters (0.52 inches)	8.3 millimeters (0.33 inches)
Size (width x height)	58.9 x 113.5 millimeters (2.32 x 4.47 in)	71.5 x 147.5 millimeters (2.81 x 5.81 in)
Weight	130 grams (4.55 ounces)	145 grams (5.08 ounces)
Build, materials	feature not registered	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	LG Optimus U (US670)	Redmi 6A (32GB China)
Display type	TFT LCD	TFT IPS LCD
Screen size	3.2" inches	5.45" inches
Screen-to-body ratio	~45.6% (screen-to-body ratio)	~72.7% (screen-to-body ratio)
Display resolution	320x480 pixels	720x1440 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	180 PPI	295 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 Optimus U (US670)	Redmi 6A (32GB China)
System version	Android 2.2.2 Froyo	Android 8.1 Oreo
Firmware update	feature not registered	feature not registered
User Interface	feature not registered	feature not registered
⚙️ Processor
	LG Optimus U (US670)	Redmi 6A (32GB China)
Chipset	32bit: Qualcomm Snapdragon S1 MSM7627	64bit: MediaTek MT6762M Helio A22 (12nm)
CPU	Single-core, 1 processor: 1x 600MHz ARM1136EJ-S (Single-core)	Quad-core, 1 processor: 4x 2GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	Qualcomm Adreno 200	PowerVR GE8300
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	LG Optimus U (US670)	Redmi 6A (32GB China)
RAM memory	512MB	3GB LPDDR3
Internal storage	512MB (140MB available)	32GB (22GB available) eMMC 5.1
External storage	Until 32GB microSD, microSDHC (dedicated slot)	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)
📶 Mobile networks
	LG Optimus U (US670)	Redmi 6A (32GB China)
Dual-SIM	Not supported	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot)
SIM card	Not supported	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	0.153 Mbps	150/50 Mbps
Network technology	2G, 3G	2G, 3G, 4G
Frequency, bands	Expand band details Collapse details
GSM MHz band	Not supported	Quad-Band 850/900/1800/1900
Primary 2G network	CDMA 800/1900	CDMA 800, GSM 850/900/1800/1900
Primary 3G network	CDMA2000 1xEV-DO	M1804C3CC/M1804C3CE/M1804C3CT versions: CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100
Primary 4G network	Not supported	LTE Cat4 M1804C3CC/M1804C3CE/M1804C3CT versions: LTE (Bands 1,3,5,7,8) TD-LTE (Bands 34,38,39,40,41) VoLTE
Primary 5G network	Not supported	Not supported
Primary data network	CDMA2000 EV-DO Rev A	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
Secondary 2G network	Not supported	GSM 850/900/1800/1900
Secondary 3G network	Not supported	M1804C3CC/M1804C3CE/M1804C3CT versions: UMTS 850/900/1900/2100
Secondary 4G network	Not supported	LTE Cat4 M1804C3CC/M1804C3CE/M1804C3CT versions: LTE (Bands 1,3,5,7,8) TD-LTE (Bands 34,38,39,40,41) VoLTE
Secondary data network	Not supported	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
📷 Camera
	LG Optimus U (US670)	Redmi 6A (32GB China)
Back camera (main camera)	3.1 megapixels	13 megapixels
Main camera resolution	2048x1536 pixels	4128x3096 pixels
Video recording (primary)	VGA (640x480) 15 fps	Full HD (1920x1080) 30 fps
Flash	Not supported	LED flash
Focal aperture	feature not registered	f/2.2 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	feature not registered
Autofocus	Autofocus	PDAF: phase detection autofocus
Touch focus	feature not registered	Supported
Image stabilization	feature not registered	EIS: Digital stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection	Face detection, Smile detection
BSI sensor	feature not registered	Not supported
HDR	feature not registered	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	LG Optimus U (US670)	Redmi 6A (32GB China)
Front camera (secondary)	Not supported	5 megapixels
Front camera resolution	Not supported	2560x1920 pixels
Video recording (secondary)	Not supported	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	feature not registered	f/2.2 (aperture)
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 Optimus U (US670)	Redmi 6A (32GB China)
Loudspeaker	Supported	Supported
Active noise cancellation	feature not registered	2 microphones or more
Radio	Not supported	FM
TV	Not supported	Not supported
Video formats	MP4, DivX, XviD, H.263, H.264, WMV	MP4, H.264, H.263, XviD
Audio formats	MP3, WAV, WMA, eAAC+	MP3, OGG, eAAC+, FLAC
🔌 Connectivity
	LG Optimus U (US670)	Redmi 6A (32GB China)
USB	MicroUSB 2.0	MicroUSB 2.0, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	2.1 + A2DP	4.2 + A2DP
WiFi	802.11 b/g [wifi3] (2.4GHz)	802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot
DLNA	feature not registered	Not supported
GPS	A-GPS, GeoTagging	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Not supported	Not supported
Infrared port	feature not registered	Not supported
🧭 Sensors
	LG Optimus U (US670)	Redmi 6A (32GB China)
Sensors	Accelerometer Compass Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	LG Optimus U (US670)	Redmi 6A (32GB China)
Battery type	Li-Ion: lithium-ion (Removable) LGIP-400N	Li-Ion: lithium-ion (Non removable)
Battery capacity	1500 mAh	3000 mAh
Charger, watts	Wired charging	5W (5V/1A) Wired charging
Inductive / wireless charging	feature not registered	feature not registered
Talk time autonomy	5 hours	feature not registered
Standby	200 hours (8.3 days)	feature not registered
➕ Other features
	LG Optimus U (US670)	Redmi 6A (32GB China)
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	Not supported	Supported
Ringtones	Polyphonic and customized	Polyphonic and customized
Web browser	HTML, XHTML	HTML, XHTML, HTML5
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Blue • 2GB microSD included • LG 3Way Sync • HAC (M4/T4) • WiFi hotspot • Java framework	• Colors: Black, Grey, Blue, Gold, Rose Gold • 2.5D curved glass screen • 18:9 screen • MIUI 9
☢️ Radiation rate
	LG Optimus U (US670)	Redmi 6A (32GB China)
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