Asus Zenfone 3 Ultra (ZU680KL 64GB) vs Sony Xperia XZ (F8331)

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

11/5/2016 7:32 PM, updated: 9/22/2022 10:27 AM

Compare Sony Xperia XZ X Asus Zenfone 3 Ultra (ZU680KL 64GB) 10Points

Specifications Compare Models Pictures

6.8"
IPS+

1080x1920

23
MP

8mp

4GB
RAM

Octa-core

4600
mAh

(Non removable)

11Points Sony Xperia XZ (F8331) Compare Asus Zenfone 3 Ultra X

Specifications Compare Models Pictures

5.2"
TFT

1080x1920

23
MP

13mp

3GB
RAM

Quad-core

2900
mAh

(Non removable)

What's the better phone? Sony Xperia XZ (F8331)

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!

10 Advantages Asus Zenfone 3 Ultra (ZU680KL 64GB)	vs	11 Advantages Sony Xperia XZ (F8331)
+4GB LPDDR433% More RAM memory. Typically more responsive and better for multitasking.	vs	3GB LPDDR4
+64GB (55GB available)162% More internal storage for applications and files	vs	32GB (21GB available)
+6.8 millimeters (0.27 inches)19% Thinner	vs	8.1 millimeters (0.32 inches)
+TFT Super IPS+Advantage TFT Super IPS+ display is brighter and more vivid	vs	TFT LCD
+6.8"31% Larger screen	vs	5.2"
+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light	vs	LED flash
+OIS (4-axis): Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video	vs	EIS: Digital stabilization
+4600 mAh59% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	2900 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)
+FM (RDS)Advantage The radio lets you listen to your songs and sports in general	vs	Not supported
1.8GHz 64bit Octa-core	vs	+2.15GHz 64bit Quad-core (14nm)4% More powerful processor, you can open your applications faster
233 grams (8.16 ounces)	vs	+161 grams (5.64 ounces)45% Lighter
324 PPI	vs	+424 PPI31% Crisper display of text, images and videos because it has more pixels per inch (ppi)
1/2.6" inches	vs	+1/2.3" inches13% The larger sensor camera lets you take photos with better depth.
(front) 8MP	vs	+(front) 13MP60% Higher resolution secondary camera to take pictures and selfies
(4G LTE-A) 300 Mbps	vs	+(4G LTE-A) 450 Mbps50% Faster for surfing the internet and download files
Not supported	vs	+BarometerAdvantage Sensors help you use the device
Not supported	vs	+PedometerAdvantage Sensors help you use the device
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
Not supported	vs	+IP68 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example

33 Common items in both devices

Until 256GB microSD, microSDXC

16 million

1080x1920 pixels

(back) 23MP

Only digital zoom

LDAF/PDAF: laser/phase detection autofocus

HDR photo on both cameras / HDR photo/video on both cameras

+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 Ultra (ZU680KL 64GB)	Sony Xperia XZ (F8331)
Change model		Choose the model
Model	Zenfone 3 Ultra (ZU680KL 64GB)	Xperia XZ (F8331)
Other model names	Asus Zenfone 3 Ultra 4GB/64GB ZU680KL Dual-Sim, Asus Mercury	Xperia XZ 32GB F8331 Single-SIM, Sony Kagura SS
Country or region available	(Global, International)	(Europe), (Global, International), Brazil, USA
Brand	Asus	Sony
Release date	8/1/2016	10/3/2016, Announced: 9/1/2016
Depth	6.8 millimeters (0.27 inches)	8.1 millimeters (0.32 inches)
Size (width x height)	93.9 x 186.4 millimeters (3.7 x 7.34 in)	72 x 146 millimeters (2.83 x 5.75 in)
Weight	233 grams (8.16 ounces)	161 grams (5.64 ounces)
Build, materials	feature not registered	Aluminum body, glass front
Protection against water and others	Not supported	IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant
📲 Display
	Asus Zenfone 3 Ultra (ZU680KL 64GB)	Sony Xperia XZ (F8331)
Display type	TFT Super IPS+	TFT LCD
Screen size	6.8" inches	5.2" inches
Screen-to-body ratio	~72.8% (screen-to-body ratio)	~70.9% (screen-to-body ratio)
Display resolution	1080x1920 pixels	1080x1920 pixels (16:9)
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch 10-points
Pixel density (dot pitch)	324 PPI	424 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 4	Gorilla Glass 4
Refresh rate	feature not registered	60Hz
Display features	feature not registered	Triluminos X-Reality Engine
🤖 Operating System
	Asus Zenfone 3 Ultra (ZU680KL 64GB)	Sony Xperia XZ (F8331)
System version	Android 6.0.1 Marshmallow	Android 6.0.1 Marshmallow
Firmware update	Android 8.0 Oreo	Android 8.0 Oreo
User Interface	feature not registered	feature not registered
⚙️ Processor
	Asus Zenfone 3 Ultra (ZU680KL 64GB)	Sony Xperia XZ (F8331)
Chipset	64bit: Qualcomm Snapdragon 652 MSM8976 (28nm)	64bit: Qualcomm Snapdragon 820 (MSM8996) (14nm)
CPU	Octa-core, 2 processors: 4x 1.8GHz ARM Cortex-A72 (Quad-core) 4x 1.4GHz ARM Cortex-A53 (Quad-core)	Quad-core, 2 processors: 2x 2.15GHz Kryo (Dual-core) 2x 1.6GHz Kryo (Dual-core)
GPU graphical controller	Qualcomm Adreno 510 600Mhz	Qualcomm Adreno 530 (624MHz)
Performance (benchmark)	feature not registered	Basemark X: 29548
💽 Memory and storage
	Asus Zenfone 3 Ultra (ZU680KL 64GB)	Sony Xperia XZ (F8331)
RAM memory	4GB LPDDR4	3GB LPDDR4
Internal storage	64GB (55GB available)	32GB (21GB available) eMMC 5.1
External storage	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Until 256GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Asus Zenfone 3 Ultra (ZU680KL 64GB)	Sony Xperia XZ (F8331)
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) nano-SIM (4FF)
Maximum Download / Upload	300/50 Mbps	450/50 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 version: UMTS 800/850/900/1900/2100 China version: CDMA2000, TD-SCDMA 1900/2000 UMTS 800/850/900/1900/2100	UMTS 800/850/900/1700/1900/2100
Primary 4G network	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)	LTE Cat9 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 19, 20, 26, 28, 29, 32) TD-LTE (38, 39, 40, 41)
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G network	GSM 850/900/1800/1900	Not supported
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE	Not supported
📷 Camera
	Asus Zenfone 3 Ultra (ZU680KL 64GB)	Sony Xperia XZ (F8331)
Back camera (main camera)	23 megapixels	23 megapixels
Main camera resolution	5520x4140 pixels	5520x4140 pixels
Video recording (primary)	4K UHD (3840x2160) 24 fps	4K UHD (3840x2160) 30 fps
Flash	Dual-LED flash	LED flash
Focal aperture	f/2.0 (aperture)	f/2.0 (aperture)
Focal length	feature not registered	24mm (lens)
Sensor size	1/2.6" inches	1/2.3" inches
Pixel size	1.12µm pixel	feature not registered
Autofocus	LDAF/PDAF: laser/phase detection autofocus	LDAF/PDAF: laser/phase detection 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/video on both cameras
Camera extras	feature not registered	1080p@60fps Exmor RS
📸 Front camera
	Asus Zenfone 3 Ultra (ZU680KL 64GB)	Sony Xperia XZ (F8331)
Front camera (secondary)	8 megapixels	13 megapixels
Front camera resolution	3264x2448 pixels	4128x3096 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/2.0 (aperture)
Focal length	feature not registered	22mm (lens)
Sensor size	feature not registered	1/3" inches
Pixel size	feature not registered	feature not registered
🔉 Sound and multimedia
	Asus Zenfone 3 Ultra (ZU680KL 64GB)	Sony Xperia XZ (F8331)
Loudspeaker	Supported	Stereo sound 24-bit/192kHz
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM (RDS)	Not supported
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Asus Zenfone 3 Ultra (ZU680KL 64GB)	Sony Xperia XZ (F8331)
USB	USB 2.0 Type-C reversible connector	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	USB Type-C SlimPort®	Not supported
Bluetooth	4.2 + A2DP	4.2 + A2DP
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot
DLNA	Not supported	Supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Not supported	Supported
Infrared port	Supported	Not supported
🧭 Sensors
	Asus Zenfone 3 Ultra (ZU680KL 64GB)	Sony Xperia XZ (F8331)
Sensors	Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Barometer Compass Fingerprint sensor (side-mounted) Gyroscope Pedometer Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Asus Zenfone 3 Ultra (ZU680KL 64GB)	Sony Xperia XZ (F8331)
Battery type	Li-Ion: lithium-ion (Non removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	4600 mAh	2900 mAh
Charger, watts	18W (9V/2A) Wired fast charging	18W Wired fast charging Quick Charge 3
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	34 hours (1.4 days)	17.5 hours
Standby	feature not registered	610 hours (25.4 days)
➕ Other features
	Asus Zenfone 3 Ultra (ZU680KL 64GB)	Sony Xperia XZ (F8331)
Call control	Voice dialing, Voice recorder	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: 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	• Colors: Black, Platinum, Blue, Pink
☢️ Radiation rate
	Asus Zenfone 3 Ultra (ZU680KL 64GB)	Sony Xperia XZ (F8331)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	0.81W/kg (head), 0.35W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.85W/kg (head), 1.2W/kg (body)