Asus Zenfone 3 (5.2 ZE520KL 16GB) vs Samsung Galaxy Express 2 (SM-G3815)

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Side by side comparison between Asus Zenfone 3 vs Samsung Galaxy Express 2 phones, differences, pros, cons and full specifications. What's the better?

12/9/2016 10:08 AM, updated: 3/13/2023 9:26 AM

Compare Samsung Galaxy Express 2 X Asus Zenfone 3 (5.2 ZE520KL 16GB) 26Points

Specifications Compare Models Pictures

5.2"
IPS+

1080x1920

16
MP

8mp

2GB
RAM

Octa-core

2650
mAh

(Non removable)

04Points Samsung Galaxy Express 2 (SM-G3815) Compare Asus Zenfone 3 X

Specifications Compare Models Pictures

4.5"
TFT

540x960

5
MP

0.3mp

1.5GB
RAM

Dual-core

2100
mAh

(Removable)

What's the better phone? Asus Zenfone 3 (5.2 ZE520KL 16GB)

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!

26 Advantages Asus Zenfone 3 (5.2 ZE520KL 16GB)	vs	4 Advantages Samsung Galaxy Express 2 (SM-G3815)
+2GHz 64bit Octa-core (14nm)106% More powerful processor, you can open your applications faster	vs	1.7GHz 32bit Dual-core
+2GB LPDDR333% More RAM memory. Typically more responsive and better for multitasking.	vs	1.5GB LPDDR2
+16GB (10GB available)25% More internal storage for applications and files	vs	8GB
+Until 256GB microSD, microSDXC3 times More external storage for files using memory cards	vs	Until 64GB microSD, microSDXC
+7.7 millimeters (0.3 inches)27% Thinner	vs	9.8 millimeters (0.39 inches)
+TFT Super IPS+Advantage TFT Super IPS+ display is brighter and more vivid	vs	TFT LCD
+1080x1920 pixels3 times Higher resolution screen	vs	540x960 pixels
+424 PPI73% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	245 PPI
+5.2"16% Larger screen	vs	4.5"
+(back) 16MP2 times Higher resolution main camera	vs	(back) 5MP
+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light	vs	LED flash
+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas	vs	Not supported
+f/2.0 (aperture)30% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/2.6 (aperture)
+(front) 8MP25 times Higher resolution secondary camera to take pictures and selfies	vs	(front) 0.3MP
+4K UHD (3840x2160)8 times More image quality for recording videos with the primary camera	vs	HD (1280x720)
+(front) Full HD (1920x1080)6 times More image quality for recording videos with the secondary camera	vs	(front) VGA (640x480)
+Android 8.0 OreoAdvantage Android 8.0 Oreo is newer and safer	vs	Android 4.2.2 Jelly Bean
+(4G LTE) 150 Mbps50% Faster for surfing the internet and download files	vs	(4G LTE) 100 Mbps
+Fingerprint sensor (rear-mounted)Advantage Sensors help you use the device	vs	Not supported
+2650 mAh26% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	2100 mAh
+2 slots (Dual-SIM) (hybrid slot/shares the same microSD slot)Advantage You can have more mobile carriers/operators on the same device.	vs	1 slot (Single-SIM) (dedicated slot)
+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
+Gorilla Glass 3Advantage Protection against scratches on the screen lets you carry your phone with your keys	vs	Not supported
144 grams (5.04 ounces)	vs	+134 grams (4.69 ounces)7% Lighter
Li-Ion: lithium-ion (Non removable)	vs	+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily
Not supported	vs	+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely

19 Common items in both devices

16 million

Only digital zoom

LDAF/PDAF: laser/phase detection autofocus / Autofocus

4G LTE

Capacitive

Multitouch

Accelerometer

+12 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 16GB)	Galaxy Express 2 (SM-G3815)
Change model
Model	Zenfone 3 (5.2 ZE520KL 16GB)	Galaxy Express 2 (SM-G3815)
Other model names	Zenfone 3 ZE520KL 2GB/16GB 5.2" Dual-SIM 1A090BR	Samsung Galaxy Express II G3815
Country or region available	(Global, International), Brazil, China, Philippines, India	(Global, International)
Brand	Asus	Samsung
Release date	7/12/2016	10/1/2013
Depth	7.7 millimeters (0.3 inches)	9.8 millimeters (0.39 inches)
Size (width x height)	73.98 x 146.87 millimeters (2.91 x 5.78 in)	65.7 x 132.4 millimeters (2.59 x 5.21 in)
Weight	144 grams (5.04 ounces)	134 grams (4.69 ounces)
Build, materials	Aluminum body, glass front, plastic back	feature not registered
Protection against water and others	Not supported	Not supported
📲 Display
	Asus Zenfone 3 (5.2 ZE520KL 16GB)	Galaxy Express 2 (SM-G3815)
Display type	TFT Super IPS+	TFT LCD
Screen size	5.2" inches	4.5" inches
Screen-to-body ratio	~68.6% (screen-to-body ratio)	~64.2% (screen-to-body ratio)
Display resolution	1080x1920 pixels (16:9)	540x960 pixels
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch
Pixel density (dot pitch)	424 PPI	245 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 3	Not supported
Refresh rate	60Hz	feature not registered
Display features	2.5D glass	feature not registered
🤖 Operating System
	Asus Zenfone 3 (5.2 ZE520KL 16GB)	Galaxy Express 2 (SM-G3815)
System version	Android 6.0.1 Marshmallow	Android 4.2.2 Jelly Bean
Firmware update	Android 8.0 Oreo	feature not registered
User Interface	ZenUI 3.0	feature not registered
⚙️ Processor
	Asus Zenfone 3 (5.2 ZE520KL 16GB)	Galaxy Express 2 (SM-G3815)
Chipset	64bit: Qualcomm Snapdragon 625 (MSM8953) (14nm)	32bit: Qualcomm Snapdragon 400 MSM8930AB
CPU	Octa-core, 1 processor: 8x 2GHz ARM Cortex-A53 (Octa-core)	Dual-core, 1 processor: 2x 1.7GHz Krait 300 (Dual-core)
GPU graphical controller	Qualcomm Adreno 506 (650MHz)	Qualcomm Adreno 305
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Asus Zenfone 3 (5.2 ZE520KL 16GB)	Galaxy Express 2 (SM-G3815)
RAM memory	2GB LPDDR3	1.5GB LPDDR2
Internal storage	16GB (10GB available) eMMC 5.1	8GB
External storage	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Until 64GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Asus Zenfone 3 (5.2 ZE520KL 16GB)	Galaxy Express 2 (SM-G3815)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot)	Not supported
SIM card	2 slots (Dual-SIM) micro-SIM (3FF) and nano-SIM (4FF)	1 slot (Single-SIM) micro-SIM (3FF)
Maximum Download / Upload	150/50 Mbps	100/50 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	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	Global: UMTS 850/900/1900/2100 India: UMTS 850/900/2100 Brazil: UMTS 850/900/1700/1900/2100	UMTS 850/900/2100
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 800/900/1800/2600
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	Not supported
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+	Not supported
📷 Camera
	Asus Zenfone 3 (5.2 ZE520KL 16GB)	Galaxy Express 2 (SM-G3815)
Back camera (main camera)	16 megapixels	5 megapixels
Main camera resolution	4608x3456 pixels	2592x1944 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	HD (1280x720) 30 fps
Flash	Dual-LED flash	LED flash
Focal aperture	f/2.0 (aperture)	f/2.6 (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	feature not registered
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	Not supported
Camera extras	4K@30fps 1080p@30/60fps	feature not registered
📸 Front camera
	Asus Zenfone 3 (5.2 ZE520KL 16GB)	Galaxy Express 2 (SM-G3815)
Front camera (secondary)	8 megapixels	0.3 megapixels
Front camera resolution	3264x2448 pixels	640x480 pixels
Video recording (secondary)	Full HD (1920x1080)	VGA (640x480)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	feature not registered
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 16GB)	Galaxy Express 2 (SM-G3815)
Loudspeaker	Mono sound (not stereo) 24-bit/192kHz	Supported
Active noise cancellation	2 microphones or more	Not supported
Radio	FM (RDS)	FM (RDS)
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263	MP4, H.264, H.263, WMV
Audio formats	MP3, WAV, eAAC+, FLAC	MP3, WAV, eAAC+, FLAC
🔌 Connectivity
	Asus Zenfone 3 (5.2 ZE520KL 16GB)	Galaxy Express 2 (SM-G3815)
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)	Micro-B USB MHL
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	Supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS
NFC	Not supported	Supported
Infrared port	Not supported	feature not registered
🧭 Sensors
	Asus Zenfone 3 (5.2 ZE520KL 16GB)	Galaxy Express 2 (SM-G3815)
Sensors	Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Asus Zenfone 3 (5.2 ZE520KL 16GB)	Galaxy Express 2 (SM-G3815)
Battery type	Li-Ion: lithium-ion (Non removable)	Li-Ion: lithium-ion (Removable)
Battery capacity	2650 mAh	2100 mAh
Charger, watts	10W (5V/2A) Wired charging	Wired charging
Inductive / wireless charging	Not supported	feature not registered
Talk time autonomy	feature not registered	11 hours
Standby	feature not registered	480 hours (20 days)
➕ Other features
	Asus Zenfone 3 (5.2 ZE520KL 16GB)	Galaxy Express 2 (SM-G3815)
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, 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: Blue, White • Samsung TouchWiz UI Java framework
☢️ Radiation rate
	Asus Zenfone 3 (5.2 ZE520KL 16GB)	Galaxy Express 2 (SM-G3815)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	0.38W/kg (head), 0.7W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.38W/kg (head), 0.36W/kg (body)