LG Optimus Speed (P990) vs Asus Zenfone AR (ZS571KL 256GB)

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Side by side comparison between LG Optimus Speed vs Asus Zenfone AR phones, differences, pros, cons and full specifications. What's the better?

5/14/2020 2:05 PM, updated: 11/25/2021 5:08 AM

Compare Asus Zenfone AR X LG Optimus Speed (P990) 03Points

Specifications Compare Models Pictures

4"
IPS

480x800

8
MP

1.3mp

512MB
RAM

Dual-core

1500
mAh

(Removable)

28Points Asus Zenfone AR (ZS571KL 256GB) Compare LG Optimus Speed X

Specifications Compare Models Pictures

5.7"
AMOLED

1440x2560

23
MP

8mp

8GB
RAM

Quad-core

3300
mAh

(Non removable)

What's the better phone? Asus Zenfone AR (ZS571KL 256GB)

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!

3 Advantages LG Optimus Speed (P990)	vs	28 Advantages Asus Zenfone AR (ZS571KL 256GB)
+139 grams (4.87 ounces)22% Lighter	vs	170 grams (5.95 ounces)
+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily	vs	Li-Ion: lithium-ion (Non removable)
+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.	vs	Not supported
1GHz 32bit Dual-core	vs	+2.35GHz 64bit Quad-core194% More powerful processor, you can open your applications faster
512MB LPDDR2	vs	+8GB LPDDR415 times More RAM memory. Typically more responsive and better for multitasking.
8GB (6GB available)	vs	+256GB (238GB available)39 times More internal storage for applications and files
Until 32GB microSD, microSDHC	vs	+Until 1TB microSD, microSDXC31 times More external storage for files using memory cards
10.9 millimeters (0.43 inches)	vs	+8.9 millimeters (0.35 inches)22% Thinner
TFT IPS LCD	vs	+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid
480x800 pixels	vs	+1440x2560 pixels9 times Higher resolution screen
233 PPI	vs	+515 PPI121% Crisper display of text, images and videos because it has more pixels per inch (ppi)
4"	vs	+5.7"43% Larger screen
(back) 8MP	vs	+(back) 23MP188% Higher resolution main camera
LED flash	vs	+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light
Not supported	vs	+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas
(front) 1.3MP	vs	+(front) 8MP5 times 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
(front) VGA (640x480)	vs	+(front) Full HD (1920x1080)6 times More image quality for recording videos with the secondary camera
Android 4.0.4 Ice Cream Sandwich ICS	vs	+Android 7.0 NougatAdvantage Android 7.0 Nougat is newer and safer
3G HSUPA	vs	+4G LTE-AAdvantage The 4G LTE-A network is newer and faster
(3G HSUPA) 7.2 Mbps	vs	+(4G LTE-A) 600 Mbps82 times Faster for surfing the internet and download files
Not supported	vs	+BarometerAdvantage Sensors help you use the device
Not supported	vs	+Face unlock 2DAdvantage Sensors help you use the device
Not supported	vs	+Fingerprint sensor (front-mounted)Advantage Sensors help you use the device
1500 mAh	vs	+3300 mAh120% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
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	+Active noise cancellationAdvantage More noise-canceling microphones allow for better quality in calls and audio for recorded videos
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
2.1 + A2DP	vs	+4.2 + A2DPAdvantage Bluetooth 4.2 + A2DP is newer and faster
MicroUSB 2.0	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.
HTML, XHTML, Flash player	vs	+HTML, XHTML, HTML5Advantage Better sites viewing on the internet

18 Common items in both devices

16 million

Only digital zoom

Autofocus / PDAF: phase detection autofocus

Capacitive

Multitouch

Accelerometer

Ambient light sensor

+11 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 Speed (P990)	Asus Zenfone AR (ZS571KL 256GB)
Change model		Choose the model
Model	Optimus Speed (P990)	Zenfone AR (ZS571KL 256GB)
Other model names	LG Optimus 2X Speed P990, LG P990	Asus Zenfone AR ZS571KL (256GB+8GB RAM) A002A, A002
Country or region available	Germany, Austria, Belgium, Netherlands, Switzerland	(Global, International)
Brand	LG	Asus
Release date	1/24/2011	5/1/2017, Announced: 1/9/2017
Depth	10.9 millimeters (0.43 inches)	8.9 millimeters (0.35 inches)
Size (width x height)	63.2 x 123.9 millimeters (2.49 x 4.88 in)	77.4 x 158.7 millimeters (3.05 x 6.25 in)
Weight	139 grams (4.87 ounces)	170 grams (5.95 ounces)
Build, materials	feature not registered	Aluminum body, glass front, plastic back
Protection against water and others	Not supported	Not supported
📲 Display
	LG Optimus Speed (P990)	Asus Zenfone AR (ZS571KL 256GB)
Display type	TFT IPS LCD	Super AMOLED
Screen size	4" inches	5.7" inches
Screen-to-body ratio	~58.2% (screen-to-body ratio)	~72.9% (screen-to-body ratio)
Display resolution	480x800 pixels	1440x2560 pixels (16:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch 10-points
Pixel density (dot pitch)	233 PPI	515 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass	Gorilla Glass 4
Refresh rate	feature not registered	60Hz
Display features	feature not registered	Not supported
🤖 Operating System
	LG Optimus Speed (P990)	Asus Zenfone AR (ZS571KL 256GB)
System version	Android 2.2.1 Froyo	Android 7.0 Nougat
Firmware update	Android 4.0.4 Ice Cream Sandwich ICS	feature not registered
User Interface	feature not registered	ZenUI 3.0
⚙️ Processor
	LG Optimus Speed (P990)	Asus Zenfone AR (ZS571KL 256GB)
Chipset	32bit: NVIDIA Tegra 2 250 AP20H	64bit: Qualcomm Snapdragon 821 MSM8996 (14nm)
CPU	Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-core)	Quad-core, 2 processors: 2x 2.35GHz Kryo (Dual-core) 2x 1.6GHz Kryo (Dual-core)
GPU graphical controller	ULP NVIDIA GeForce	Qualcomm Adreno 530 650Mhz
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	LG Optimus Speed (P990)	Asus Zenfone AR (ZS571KL 256GB)
RAM memory	512MB LPDDR2	8GB LPDDR4
Internal storage	8GB (6GB available)	256GB (238GB available) UFS 2.0
External storage	Until 32GB microSD, microSDHC (dedicated slot)	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	LG Optimus Speed (P990)	Asus Zenfone AR (ZS571KL 256GB)
Dual-SIM	Not supported	Dual-SIM Standby - Call active on one sim card (dedicated slot)
SIM card	1 slot (Single-SIM) Standard mini-SIM (2FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	7.2/5.76 Mbps	600/75 Mbps
Network technology	2G, 3G	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 900/2100	Global version: UMTS 800/850/900/1900/2100 America version: UMTS 850/900/1700/1900/2100
Primary 4G network	Not supported	LTE Cat12 VoLTE Global version: LTE (Bands 1, 2, 3, 5, 7, 8, 18, 19, 20, 26, 28) TD-LTE (Bands 38, 40, 41) America version: LTE (Bands 1, 2, 3, 4, 5, 7, 12, 13, 20, 29)
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G network	Not supported	GSM 850/900/1800/1900
Secondary 3G network	Not supported	UMTS 850/900/1900/2100
Secondary 4G network	Not supported	Not supported
Secondary data network	Not supported	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+
📷 Camera
	LG Optimus Speed (P990)	Asus Zenfone AR (ZS571KL 256GB)
Back camera (main camera)	8 megapixels	23 megapixels
Main camera resolution	3264x2448 pixels	5536x4152 pixels
Video recording (primary)	Full HD (1920x1080) 24 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	Dual-LED flash
Focal aperture	feature not registered	f/2.0 (aperture)
Focal length	feature not registered	27mm (lens)
Sensor size	feature not registered	1/2.6" inches
Pixel size	feature not registered	1µm pixel
Autofocus	Autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	feature not registered	OIS (4-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	Not supported	HDR photo on both cameras
Camera extras	feature not registered	Motion tracking sensors
📸 Front camera
	LG Optimus Speed (P990)	Asus Zenfone AR (ZS571KL 256GB)
Front camera (secondary)	1.3 megapixels	8 megapixels
Front camera resolution	1280x1024 pixels	3264x2448 pixels
Video recording (secondary)	VGA (640x480)	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 Optimus Speed (P990)	Asus Zenfone AR (ZS571KL 256GB)
Loudspeaker	Supported	Mono sound (not stereo) Hi-Res audio
Active noise cancellation	Not supported	2 microphones or more
Radio	FM (RDS)	FM
TV	Not supported	Not supported
Video formats	MP4, DivX, XviD, H.263, H.264, WMV	MP4, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	LG Optimus Speed (P990)	Asus Zenfone AR (ZS571KL 256GB)
USB	MicroUSB 2.0	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	Micro HDMI Type D	Not supported
Bluetooth	2.1 + A2DP	4.2 + A2DP
WiFi	802.11 b/g/n [wifi4] (2.4GHz)	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot
DLNA	Supported	Not supported
GPS	A-GPS, GeoTagging	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Not supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	LG Optimus Speed (P990)	Asus Zenfone AR (ZS571KL 256GB)
Sensors	Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor	Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (front-mounted) Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	LG Optimus Speed (P990)	Asus Zenfone AR (ZS571KL 256GB)
Battery type	Li-Ion: lithium-ion (Removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	1500 mAh	3300 mAh
Charger, watts	Wired charging	18W (9V/2A) Wired fast charging Quick Charge 3
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	7.9 hours	feature not registered
Standby	400 hours (16.7 days)	feature not registered
➕ Other features
	LG Optimus Speed (P990)	Asus Zenfone AR (ZS571KL 256GB)
Call control	Voice dialing, Voice recorder, Voice commands	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, Flash player	HTML, XHTML, HTML5
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Black • NVIDIA Tegra Zone • WiFi hotspot • Java framework	• Colors: Black • Tango and Daydream by Google
☢️ Radiation rate
	LG Optimus Speed (P990)	Asus Zenfone AR (ZS571KL 256GB)
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