Samsung Galaxy Mega 2 Duos (SM-G7508Q) vs Asus Zenfone 3 Ultra (ZU680KL 32GB)

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

2/21/2023 5:35 PM, updated: 2/21/2023 5:35 PM

Compare Asus Zenfone 3 Ultra X Samsung Galaxy Mega 2 Duos (SM-G7508Q) 03Points

Specifications Compare Models Pictures

6"
TFT

720x1280

8
MP

2.1mp

1.5GB
RAM

Quad-core

2800
mAh

(Removable)

26Points Asus Zenfone 3 Ultra (ZU680KL 32GB) Compare Samsung Galaxy Mega 2 X

Specifications Compare Models Pictures

6.8"
IPS+

1080x1920

23
MP

8mp

3GB
RAM

Octa-core

4600
mAh

(Non removable)

What's the better phone? Asus Zenfone 3 Ultra (ZU680KL 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!

3 Advantages Samsung Galaxy Mega 2 Duos (SM-G7508Q)	vs	26 Advantages Asus Zenfone 3 Ultra (ZU680KL 32GB)
+194 grams (6.79 ounces)20% Lighter	vs	233 grams (8.16 ounces)
+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily	vs	Li-Ion: lithium-ion (Non removable)
+2 slots (Dual-SIM) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.	vs	2 slots (Dual-SIM) (hybrid slot/shares the same microSD slot)
1.2GHz 64bit Quad-core (28nm)	vs	+1.8GHz 64bit Octa-core65% More powerful processor, you can open your applications faster
1.5GB LPDDR2	vs	+3GB LPDDR4100% More RAM memory. Typically more responsive and better for multitasking.
8GB (5GB available)	vs	+32GB (24GB available)4 times More internal storage for applications and files
Until 64GB microSD, microSDXC	vs	+Until 256GB microSD, microSDXC3 times More external storage for files using memory cards
8.6 millimeters (0.34 inches)	vs	+6.8 millimeters (0.27 inches)26% Thinner
TFT LCD	vs	+TFT Super IPS+Advantage TFT Super IPS+ display is brighter and more vivid
720x1280 pixels	vs	+1080x1920 pixels125% Higher resolution screen
245 PPI	vs	+324 PPI32% Crisper display of text, images and videos because it has more pixels per inch (ppi)
6"	vs	+6.8"13% Larger screen
(back) 8MP	vs	+(back) 23MP186% Higher resolution main camera
LED flash	vs	+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light
EIS: Digital stabilization	vs	+OIS (4-axis): Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video
HDR photo only main camera	vs	+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas
(front) 2.1MP	vs	+(front) 8MP3 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
Android 4.4.4 KitKat	vs	+Android 8.0 OreoAdvantage Android 8.0 Oreo is newer and safer
(4G LTE) 150 Mbps	vs	+(4G LTE-A) 300 Mbps100% Faster for surfing the internet and download files
Not supported	vs	+Fingerprint sensorAdvantage Sensors help you use the device
Not supported	vs	+GyroscopeAdvantage Sensors help you use the device
2800 mAh	vs	+4600 mAh64% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
7.75W	vs	+18W132% More power (watts) to charge the battery faster. Sometimes, the charger that comes with the device doesn't have the same power supported by the device. Check before you buy it.
Not supported	vs	+Active noise cancellationAdvantage More noise-canceling microphones allow for better quality in calls and audio for recorded videos
802.11 a/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
4.0 + 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.
Not supported	vs	+Gorilla Glass 4Advantage Protection against scratches on the screen lets you carry your phone with your keys

19 Common items in both devices

16 million

Only digital zoom

Autofocus / LDAF/PDAF: laser/phase detection autofocus

(front) Full HD (1920x1080)

4G LTE / 4G LTE-A

Capacitive

Multitouch

+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
	Galaxy Mega 2 Duos (SM-G7508Q)	Asus Zenfone 3 Ultra (ZU680KL 32GB)
Change model		Choose the model
Model	Galaxy Mega 2 Duos (SM-G7508Q)	Zenfone 3 Ultra (ZU680KL 32GB)
Other model names	Galaxy Mega 2 LTE G7508Q, Samsung Vasta	Asus Zenfone 3 Ultra 3GB/32GB ZU680KL Dual-Sim, Asus Mercury
Country or region available	China, Hong Kong	(Global, International)
Brand	Samsung	Asus
Release date	9/1/2014	8/1/2016
Depth	8.6 millimeters (0.34 inches)	6.8 millimeters (0.27 inches)
Size (width x height)	84.9 x 163.6 millimeters (3.34 x 6.44 in)	93.9 x 186.4 millimeters (3.7 x 7.34 in)
Weight	194 grams (6.79 ounces)	233 grams (8.16 ounces)
Build, materials	Plastic body, glass front	feature not registered
Protection against water and others	Not supported	Not supported
📲 Display
	Galaxy Mega 2 Duos (SM-G7508Q)	Asus Zenfone 3 Ultra (ZU680KL 32GB)
Display type	TFT LCD	TFT Super IPS+
Screen size	6" inches	6.8" inches
Screen-to-body ratio	~71.5% (screen-to-body ratio)	~72.8% (screen-to-body ratio)
Display resolution	720x1280 pixels (16:9)	1080x1920 pixels
Touchscreen	Capacitive Multitouch 5-points	Capacitive Multitouch 10-points
Pixel density (dot pitch)	245 PPI	324 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Gorilla Glass 4
Refresh rate	60Hz	feature not registered
Display features	Not supported	feature not registered
🤖 Operating System
	Galaxy Mega 2 Duos (SM-G7508Q)	Asus Zenfone 3 Ultra (ZU680KL 32GB)
System version	Android 4.4.4 KitKat	Android 6.0.1 Marshmallow
Firmware update	feature not registered	Android 8.0 Oreo
User Interface	feature not registered	feature not registered
⚙️ Processor
	Galaxy Mega 2 Duos (SM-G7508Q)	Asus Zenfone 3 Ultra (ZU680KL 32GB)
Chipset	64bit: Qualcomm Snapdragon 410 (MSM8916) (28nm)	64bit: Qualcomm Snapdragon 652 MSM8976 (28nm)
CPU	Quad-core, 1 processor: 4x 1.2GHz ARM Cortex-A53 (Quad-core)	Octa-core, 2 processors: 4x 1.8GHz ARM Cortex-A72 (Quad-core) 4x 1.4GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	Qualcomm Adreno 306 (450MHz)	Qualcomm Adreno 510 600Mhz
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Galaxy Mega 2 Duos (SM-G7508Q)	Asus Zenfone 3 Ultra (ZU680KL 32GB)
RAM memory	1.5GB LPDDR2	3GB LPDDR4
Internal storage	8GB (5GB available) eMMC 4.5	32GB (24GB available)
External storage	Until 64GB microSD, microSDXC (dedicated slot)	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)
📶 Mobile networks
	Galaxy Mega 2 Duos (SM-G7508Q)	Asus Zenfone 3 Ultra (ZU680KL 32GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated 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)	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	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	Global version: UMTS 800/850/900/1900/2100 China version: CDMA2000, TD-SCDMA 1900/2000 UMTS 800/850/900/1900/2100
Primary 4G network	LTE Cat4 (1, 3, 7) TD-LTE (38, 39, 40, 41)	LTE Cat6 Global version: LTE (Bands 1,3,5,7,8,18,19,20,26,28) TD-LTE (Bands 38,40,41) China version: LTE (Bands 1,3,5,7,8,18,19,20,26,28) TD-LTE (Bands 38,39,40,41)
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE	GPRS, EDGE, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE	GPRS, EDGE
📷 Camera
	Galaxy Mega 2 Duos (SM-G7508Q)	Asus Zenfone 3 Ultra (ZU680KL 32GB)
Back camera (main camera)	8 megapixels	23 megapixels
Main camera resolution	3264x2448 pixels	5520x4140 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	4K UHD (3840x2160) 24 fps
Flash	LED flash	Dual-LED flash
Focal aperture	feature not registered	f/2.0 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	1/2.6" inches
Pixel size	feature not registered	1.12µm pixel
Autofocus	Autofocus	LDAF/PDAF: laser/phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	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	HDR photo only main camera	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Galaxy Mega 2 Duos (SM-G7508Q)	Asus Zenfone 3 Ultra (ZU680KL 32GB)
Front camera (secondary)	2.1 megapixels	8 megapixels
Front camera resolution	1920x1080 pixels	3264x2448 pixels
Video recording (secondary)	Full HD (1920x1080)	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	feature not registered
Pixel size	feature not registered	feature not registered
🔉 Sound and multimedia
	Galaxy Mega 2 Duos (SM-G7508Q)	Asus Zenfone 3 Ultra (ZU680KL 32GB)
Loudspeaker	Mono sound (not stereo)	Supported
Active noise cancellation	Not supported	2 microphones or more
Radio	FM	FM (RDS)
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263, WMV	MP4, H.264, H.263
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, eAAC+, FLAC
🔌 Connectivity
	Galaxy Mega 2 Duos (SM-G7508Q)	Asus Zenfone 3 Ultra (ZU680KL 32GB)
USB	MicroUSB 2.0	USB 2.0 Type-C reversible connector
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	USB Type-C SlimPort®
Bluetooth	4.0 + A2DP	4.2 + A2DP
WiFi	802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) WiFi Direct, hotspot	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Not supported	Not supported
Infrared port	Not supported	Supported
🧭 Sensors
	Galaxy Mega 2 Duos (SM-G7508Q)	Asus Zenfone 3 Ultra (ZU680KL 32GB)
Sensors	Accelerometer Ambient light sensor Compass Proximity sensor	Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy Mega 2 Duos (SM-G7508Q)	Asus Zenfone 3 Ultra (ZU680KL 32GB)
Battery type	Li-Ion: lithium-ion (Removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	2800 mAh	4600 mAh
Charger, watts	7.75W (5V/1.55A) Wired charging	18W (9V/2A) Wired fast charging
Inductive / wireless charging	Not supported	feature not registered
Talk time autonomy	22 hours	34 hours (1.4 days)
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy Mega 2 Duos (SM-G7508Q)	Asus Zenfone 3 Ultra (ZU680KL 32GB)
Call control	Voice dialing, Voice recorder	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: White, Black • S Pen support Java framework	• Colors: Titanium Gray, Glacier Silver, Rose Gold • USB OTG On-The-Go • Asus ZenUI 3.0 • Sony IMX318 sensor camera • DTS headphone • Hi-Res audio 192kHz/24bit • Quick Charge 3.0 • Fast charging battery: 60% in 45min • Miracast
☢️ Radiation rate
	Galaxy Mega 2 Duos (SM-G7508Q)	Asus Zenfone 3 Ultra (ZU680KL 32GB)
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