Asus Zenfone Zoom (ZX551ML 32GB) vs Samsung Galaxy S2 (GT-i9100 16GB)

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Side by side comparison between Asus Zenfone Zoom (ZX551ML) vs Samsung Galaxy S2 phones, differences, pros, cons and full specifications. What's the better?

4/30/2020 8:04 AM, updated: 5/12/2020 9:07 PM

Compare Samsung Galaxy S2 X Asus Zenfone Zoom (ZX551ML 32GB) 22Points

Specifications Compare Models Pictures

5.5"
IPS

1080x1920

13
MP

5mp

4GB
RAM

Quad-core

3000
mAh

(Non removable)

09Points Samsung Galaxy S2 (GT-i9100 16GB) Compare Asus Zenfone Zoom (ZX551ML) X

Specifications Compare Models Pictures

4.3"
AMOLED

480x800

8
MP

2mp

1GB
RAM

Dual-core

1650
mAh

(Removable)

What's the better phone? Asus Zenfone Zoom (ZX551ML 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!

22 Advantages Asus Zenfone Zoom (ZX551ML 32GB)	vs	9 Advantages Samsung Galaxy S2 (GT-i9100 16GB)
+2.5GHz 64bit Quad-core3 times More powerful processor, you can open your applications faster	vs	1.2GHz 32bit Dual-core
+4GB LPDDR33 times More RAM memory. Typically more responsive and better for multitasking.	vs	1GB LPDDR2
+32GB (26GB available)100% More internal storage for applications and files	vs	16GB (13GB available)
+Until 128GB microSD, microSDXC3 times More external storage for files using memory cards	vs	Until 32GB microSD, microSDHC
+Aluminum frame, glass front, leather backAdvantage More resistant material	vs	Plastic body, glass front
+1080x1920 pixels4 times Higher resolution screen	vs	480x800 pixels
+401 PPI85% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	217 PPI
+5.5"28% Larger screen	vs	4.3"
+(back) 13MP60% Higher resolution main camera	vs	(back) 8MP
+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
+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video	vs	EIS: Digital stabilization
+HDR photo only main cameraAdvantage The HDR technology produced photos with more detail in dark areas	vs	Not supported
+(front) 5MP156% Higher resolution secondary camera to take pictures and selfies	vs	(front) 2MP
+(front) HD (1280x720)2 times More image quality for recording videos with the secondary camera	vs	(front) VGA (640x480)
+Android 6.0 MarshmallowAdvantage Android 6.0 Marshmallow is newer and safer	vs	Android 4.1.2 Jelly Bean
+4G LTEAdvantage The 4G LTE network is newer and faster	vs	3G+ HSPA+
+(4G LTE) 150 Mbps6 times Faster for surfing the internet and download files	vs	(3G+ HSPA+) 21 Mbps
+3000 mAh82% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	1650 mAh
+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 a/b/g/n [wifi4]
+4.0 + A2DPAdvantage Bluetooth 4.0 + A2DP is newer and faster	vs	3.0 + A2DP
+HTML, XHTML, HTML5Advantage Better sites viewing on the internet	vs	HTML, XHTML, Flash player
185 grams (6.48 ounces)	vs	+116 grams (4.06 ounces)59% Lighter
12 millimeters (0.47 inches)	vs	+8.49 millimeters (0.33 inches)41% Thinner
TFT IPS LCD	vs	+Super AMOLED PlusAdvantage Super AMOLED Plus display is brighter and more vivid
Not supported	vs	+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness
f/2.7 (aperture)	vs	+f/2.6 (aperture)4% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
LiPo: li-ion polymer (Non removable)	vs	+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily
Not supported	vs	+Active noise cancellationAdvantage More noise-canceling microphones allow for better quality in calls and audio for recorded videos
Not supported	vs	+FM (RDS)Advantage The radio lets you listen to your songs and sports in general
Not supported	vs	+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.

18 Common items in both devices

16 million

LDAF: laser detection autofocus / Autofocus

Full HD (1920x1080)

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
	Asus Zenfone Zoom (ZX551ML 32GB)	Galaxy S2 (GT-i9100 16GB)
Change model		Choose the model
Model	Zenfone Zoom (ZX551ML 32GB)	Galaxy S2 (GT-i9100 16GB)
Other model names	Asus Zenfone Zoom ZX551ML (4G), Asus ZX551ML	Samsung Galaxy S2 i9100, Galaxy S II (SGS2)
Country or region available	(Latin America), (Europe)	(Global, International)
Brand	Asus	Samsung
Release date	12/1/2015	4/28/2012
Depth	12 millimeters (0.47 inches)	8.49 millimeters (0.33 inches)
Size (width x height)	78.8 x 158.9 millimeters (3.1 x 6.26 in)	66.1 x 125.3 millimeters (2.6 x 4.93 in)
Weight	185 grams (6.48 ounces)	116 grams (4.06 ounces)
Build, materials	Aluminum frame, glass front, leather back	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Asus Zenfone Zoom (ZX551ML 32GB)	Galaxy S2 (GT-i9100 16GB)
Display type	TFT IPS LCD	Super AMOLED Plus
Screen size	5.5" inches	4.3" inches
Screen-to-body ratio	~66.6% (screen-to-body ratio)	~63.5% (screen-to-body ratio)
Display resolution	1080x1920 pixels	480x800 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch 10-points
Pixel density (dot pitch)	401 PPI	217 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 4	Gorilla Glass
Refresh rate	feature not registered	feature not registered
Display features	feature not registered	feature not registered
🤖 Operating System
	Asus Zenfone Zoom (ZX551ML 32GB)	Galaxy S2 (GT-i9100 16GB)
System version	Android 5.0.2 Lollipop	Android 2.3.4 Gingerbread
Firmware update	Android 6.0 Marshmallow	Android 4.1.2 Jelly Bean
User Interface	feature not registered	feature not registered
⚙️ Processor
	Asus Zenfone Zoom (ZX551ML 32GB)	Galaxy S2 (GT-i9100 16GB)
Chipset	64bit: Intel Atom Z3590 (22nm)	32bit: Samsung Exynos 4 Dual 4210 (45nm)
CPU	Quad-core, 1 processor: 4x 2.5GHz Intel Silvermont (Quad-core)	Dual-core, 1 processor: 2x 1.2GHz ARM Cortex-A9 (Dual-core)
GPU graphical controller	PowerVR G6430 MP4	ARM Mali-400 MP4 266Mhz
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Asus Zenfone Zoom (ZX551ML 32GB)	Galaxy S2 (GT-i9100 16GB)
RAM memory	4GB LPDDR3	1GB LPDDR2
Internal storage	32GB (26GB available)	16GB (13GB available)
External storage	Until 128GB microSD, microSDXC (dedicated slot)	Until 32GB microSD, microSDHC (dedicated slot)
📶 Mobile networks
	Asus Zenfone Zoom (ZX551ML 32GB)	Galaxy S2 (GT-i9100 16GB)
Dual-SIM	Not supported	Not supported
SIM card	1 slot (Single-SIM) micro-SIM (3FF)	1 slot (Single-SIM) Standard mini-SIM (2FF)
Maximum Download / Upload	150/50 Mbps	21/5.76 Mbps
Network technology	2G, 3G, 4G	2G, 3G
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 850/900/1900/2100	UMTS 850/900/1900/2100
Primary 4G network	LTE Cat4 (Bands 1, 2, 3, 5, 7, 8, 9, 18, 19, 28)	Not supported
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+
Secondary 2G network	Not supported	Not supported
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	Not supported	Not supported
📷 Camera
	Asus Zenfone Zoom (ZX551ML 32GB)	Galaxy S2 (GT-i9100 16GB)
Back camera (main camera)	13 megapixels	8 megapixels
Main camera resolution	4128x3096 pixels	3264x2448 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	Full HD (1920x1080) 30 fps
Flash	Dual-LED flash	LED flash
Focal aperture	f/2.7 (aperture)	f/2.6 (aperture)
Focal length	28mm (lens)	feature not registered
Sensor size	feature not registered	1/3.2" inches
Pixel size	feature not registered	feature not registered
Autofocus	LDAF: laser detection autofocus	Autofocus
Touch focus	Supported	Supported
Image stabilization	OIS: Optical 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	Supported
HDR	HDR photo only main camera	Not supported
Camera extras	feature not registered	feature not registered
📸 Front camera
	Asus Zenfone Zoom (ZX551ML 32GB)	Galaxy S2 (GT-i9100 16GB)
Front camera (secondary)	5 megapixels	2 megapixels
Front camera resolution	2560x1920 pixels	1600x1200 pixels
Video recording (secondary)	HD (1280x720)	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 Zoom (ZX551ML 32GB)	Galaxy S2 (GT-i9100 16GB)
Loudspeaker	Supported	Supported
Active noise cancellation	Not supported	2 microphones or more
Radio	Not supported	FM (RDS)
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263	MP4, H.264, H.263, DivX, XviD, WMV
Audio formats	MP3, WAV, eAAC+	MP3, WAV, eAAC+, AC3, FLAC
🔌 Connectivity
	Asus Zenfone Zoom (ZX551ML 32GB)	Galaxy S2 (GT-i9100 16GB)
USB	MicroUSB 2.0, USB OTG On-The-Go	MicroUSB 2.0
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Micro-B USB MHL
Bluetooth	4.0 + A2DP	3.0 + A2DP
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot	802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) WiFi Direct, hotspot
DLNA	Not supported	Supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Asus Zenfone Zoom (ZX551ML 32GB)	Galaxy S2 (GT-i9100 16GB)
Sensors	Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor	Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Asus Zenfone Zoom (ZX551ML 32GB)	Galaxy S2 (GT-i9100 16GB)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Removable)
Battery capacity	3000 mAh	1650 mAh
Charger, watts	18W Wired fast charging	Wired charging
Inductive / wireless charging	feature not registered	feature not registered
Talk time autonomy	feature not registered	8.7 hours
Standby	feature not registered	600 hours (25 days)
➕ Other features
	Asus Zenfone Zoom (ZX551ML 32GB)	Galaxy S2 (GT-i9100 16GB)
Call control	Voice dialing, Voice recorder	Voice dialing, Voice recorder, Voice commands
Messaging	SMS (T9), MMS, E-mail, Push mail	SMS (Swype), 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, Flash player
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Black, White • Asus ZenUI • Hoya camera sensor • Laser autofocus camera (0.03 seconds) • 3x optical zoom camera • Dual tone flash • Fast battery charging: 60% in 40min • Beidou GPS • 5GB Asus Webstorage	• Colors: Black, White, Pink • Samsung TouchWiz UI 4.0 • Java framework
☢️ Radiation rate
	Asus Zenfone Zoom (ZX551ML 32GB)	Galaxy S2 (GT-i9100 16GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	0.16W/kg (head), 0.96W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.34W/kg (head)