Asus Zenfone 3 (5.2 ZE520KL 32GB) vs Quantum Sky

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Side by side comparison between Asus Zenfone 3 vs Quantum Sky phones, differences, pros, cons and full specifications. What's the better?

10/10/2017 7:20 PM, updated: 6/23/2023 8:41 AM

Compare Quantum Sky X Asus Zenfone 3 (5.2 ZE520KL 32GB) 13Points

Specifications Compare Models Pictures

5.2"
IPS+

1080x1920

16
MP

8mp

3GB
RAM

Octa-core

2650
mAh

(Non removable)

08Points Quantum Sky Compare Asus Zenfone 3 X

Specifications Compare Models Pictures

5.5"
IPS

1080x1920

13
MP

16mp

4GB
RAM

Octa-core

4010
mAh

(Non removable)

What's the better phone? Asus Zenfone 3 (5.2 ZE520KL 32GB)

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!

13 Advantages Asus Zenfone 3 (5.2 ZE520KL 32GB)	vs	8 Advantages Quantum Sky
+2GHz 64bit Octa-core (14nm)44% More powerful processor, you can open your applications faster	vs	2GHz 64bit Octa-core (28nm)
+144 grams (5.04 ounces)26% Lighter	vs	182 grams (6.37 ounces)
+7.7 millimeters (0.3 inches)8% Thinner	vs	8.3 millimeters (0.33 inches)
+424 PPI6% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	401 PPI
+(back) 16MP25% Higher resolution main camera	vs	(back) 13MP
+OIS (4-axis): Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video	vs	EIS: Digital stabilization
+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera	vs	Full HD (1920x1080)
+(front) Full HD (1920x1080)125% More image quality for recording videos with the secondary camera	vs	(front) HD (1280x720)
+Android 8.0 OreoAdvantage Android 8.0 Oreo is newer and safer	vs	Android 7.0 Nougat
+Active noise cancellationAdvantage More noise-canceling microphones allow for better quality in calls and audio for recorded videos	vs	Not supported
+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]
+4.2 + A2DPAdvantage Bluetooth 4.2 + A2DP is newer and faster	vs	4.0 + A2DP
+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.	vs	MicroUSB 2.0, USB OTG On-The-Go
3GB LPDDR3	vs	+4GB LPDDR333% More RAM memory. Typically more responsive and better for multitasking.
32GB (24GB available)	vs	+64GB (53GB available)121% More internal storage for applications and files
5.2"	vs	+5.5"6% Larger screen
Dual-LED flash	vs	+LED flash on both camerasAdvantage The LED flash on both cameras helps in dark places or in low light
(front) 8MP	vs	+(front) 16MP99% Higher resolution secondary camera to take pictures and selfies
(4G LTE) 150 Mbps	vs	+(4G LTE) 300 Mbps100% Faster for surfing the internet and download files
Not supported	vs	+PedometerAdvantage Sensors help you use the device
2650 mAh	vs	+4010 mAh51% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use

33 Common items in both devices

eMMC 5.1

Until 256GB microSD, microSDXC

Aluminum body, glass front, plastic back / Aluminum body, glass front, aluminum back with plastic ends

TFT Super IPS+ / TFT IPS LCD

60Hz

16 million

1080x1920 pixels

+26 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
	Asus Zenfone 3 (5.2 ZE520KL 32GB)	Quantum Sky
Change model
Model	Zenfone 3 (5.2 ZE520KL 32GB)	Quantum Sky
Other model names	Zenfone 3 ZE520KL 3GB/32GB 5.2" Dual-SIM	Positivo Quantum Sky 4G 64GB, Quantum Sky QX1
Country or region available	(Global, International), Brazil, China, Philippines, India	Brazil
Brand	Asus	Quantum
Release date	7/12/2016	8/29/2017
Depth	7.7 millimeters (0.3 inches)	8.3 millimeters (0.33 inches)
Size (width x height)	73.98 x 146.87 millimeters (2.91 x 5.78 in)	76.5 x 154.5 millimeters (3.01 x 6.08 in)
Weight	144 grams (5.04 ounces)	182 grams (6.37 ounces)
Build, materials	Aluminum body, glass front, plastic back	Aluminum body, glass front, aluminum back with plastic ends
Protection against water and others	Not supported	Not supported
📲 Display
	Asus Zenfone 3 (5.2 ZE520KL 32GB)	Quantum Sky
Display type	TFT Super IPS+	TFT IPS LCD
Screen size	5.2" inches	5.5" inches
Screen-to-body ratio	~68.6% (screen-to-body ratio)	~70.6% (screen-to-body ratio)
Display resolution	1080x1920 pixels (16:9)	1080x1920 pixels
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch
Pixel density (dot pitch)	424 PPI	401 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 3	Gorilla Glass 3
Refresh rate	60Hz	60Hz
Display features	2.5D glass	2.5D glass
🤖 Operating System
	Asus Zenfone 3 (5.2 ZE520KL 32GB)	Quantum Sky
System version	Android 6.0.1 Marshmallow	Android 7.0 Nougat
Firmware update	Android 8.0 Oreo	feature not registered
User Interface	ZenUI 3.0	feature not registered
⚙️ Processor
	Asus Zenfone 3 (5.2 ZE520KL 32GB)	Quantum Sky
Chipset	64bit: Qualcomm Snapdragon 625 (MSM8953) (14nm)	64bit: MediaTek Helio P10 (MT6755) (28nm)
CPU	Octa-core, 1 processor: 8x 2GHz ARM Cortex-A53 (Octa-core)	Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.2GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	Qualcomm Adreno 506 (650MHz)	ARM Mali-T860 MP2 (700MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Asus Zenfone 3 (5.2 ZE520KL 32GB)	Quantum Sky
RAM memory	3GB LPDDR3	4GB LPDDR3
Internal storage	32GB (24GB available) eMMC 5.1	64GB (53GB available) eMMC 5.1
External storage	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)
📶 Mobile networks
	Asus Zenfone 3 (5.2 ZE520KL 32GB)	Quantum Sky
Dual-SIM	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot)	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot)
SIM card	2 slots (Dual-SIM) micro-SIM (3FF) and nano-SIM (4FF)	2 slots (Dual-SIM) micro-SIM (3FF) and nano-SIM (4FF)
Maximum Download / Upload	150/50 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	Tri-Band 850/1800/1900
Primary 2G network	GSM 850/900/1800/1900	GSM 850/1800/1900
Primary 3G network	Global: UMTS 850/900/1900/2100 India: UMTS 850/900/2100 Brazil: UMTS 850/900/1700/1900/2100	UMTS 850/1900/2100
Primary 4G network	LTE Cat4 Global: LTE (1, 2, 3, 5, 7, 8, 20) India: LTE (1, 3, 5, 8) TD-LTE (40) Brazil: LTE (1, 2, 3, 4, 5, 7, 8, 17, 28)	LTE Cat6 (1, 2, 3, 4, 5, 7, 28)
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/1800/1900
Secondary 3G network	Global: UMTS 850/900/1900/2100 India: UMTS 850/900/2100 Brazil: UMTS 850/900/1700/1900/2100	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+	GPRS, EDGE
📷 Camera
	Asus Zenfone 3 (5.2 ZE520KL 32GB)	Quantum Sky
Back camera (main camera)	16 megapixels	13 megapixels
Main camera resolution	4608x3456 pixels	4128x3096 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	Full HD (1920x1080) 30 fps
Flash	Dual-LED flash	LED flash on both cameras
Focal aperture	f/2.0 (aperture)	f/2.0 (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	LDAF/PDAF: laser/phase detection autofocus	Autofocus
Touch focus	Supported	Supported
Image stabilization	OIS (4-axis): Optical 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	4K@30fps 1080p@30/60fps	Sony IMX258 (back) Samsung S5K3P3 (front)
📸 Front camera
	Asus Zenfone 3 (5.2 ZE520KL 32GB)	Quantum Sky
Front camera (secondary)	8 megapixels	16 megapixels
Front camera resolution	3264x2448 pixels	4608x3456 pixels
Video recording (secondary)	Full HD (1920x1080)	HD (1280x720)
Front flash	Not supported	LED
Focal aperture	f/2.0 (aperture)	f/2.0 (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
	Asus Zenfone 3 (5.2 ZE520KL 32GB)	Quantum Sky
Loudspeaker	Mono sound (not stereo) 24-bit/192kHz	Mono sound (not stereo)
Active noise cancellation	2 microphones or more	Not supported
Radio	FM (RDS)	FM
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263	MP4, H.265, H.264, H.263
Audio formats	MP3, WAV, eAAC+, FLAC	MP3, WAV, OGG, eAAC+, FLAC
🔌 Connectivity
	Asus Zenfone 3 (5.2 ZE520KL 32GB)	Quantum Sky
USB	USB 2.0 Type-C, USB OTG On-The-Go	MicroUSB 2.0, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	USB Type-C (reversible)	Not supported
Bluetooth	4.2 + A2DP	4.0 + A2DP
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot	802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS
NFC	Not supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Asus Zenfone 3 (5.2 ZE520KL 32GB)	Quantum Sky
Sensors	Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Pedometer Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Asus Zenfone 3 (5.2 ZE520KL 32GB)	Quantum Sky
Battery type	Li-Ion: lithium-ion (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	2650 mAh	4010 mAh
Charger, watts	10W (5V/2A) Wired charging	10W Wired charging
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	feature not registered	28 hours (1.2 days)
Standby	feature not registered	feature not registered
➕ Other features
	Asus Zenfone 3 (5.2 ZE520KL 32GB)	Quantum Sky
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: Sapphire Black, Moonlight White, Shimmer Gold	• Colors: Silver, Gold • Screen protector included • Silicon case included
☢️ Radiation rate
	Asus Zenfone 3 (5.2 ZE520KL 32GB)	Quantum Sky
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