Asus Zenfone 3 Ultra (ZU680KL 128GB) vs Realme X2 Pro (128GB)

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Side by side comparison between Asus Zenfone 3 Ultra vs Realme X2 Pro phones, differences, pros, cons and full specifications. What's the better?

11/15/2019 3:11 PM, updated: 10/24/2021 5:21 PM

Compare Realme X2 Pro X Asus Zenfone 3 Ultra (ZU680KL 128GB) 06Points

Specifications Compare Models Pictures

6.8"
IPS+

1080x1920

23
MP

8mp

4GB
RAM

Octa-core

4600
mAh

(Non removable)

16Points Realme X2 Pro (128GB) Compare Asus Zenfone 3 Ultra X

Specifications Compare Models Pictures

6.5"
AMOLED

1080x2400

64.1
MP

16mp

8GB
RAM

Octa-core

4000
mAh

(Non removable)

What's the better phone? Realme X2 Pro (128GB)

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!

6 Advantages Asus Zenfone 3 Ultra (ZU680KL 128GB)	vs	16 Advantages Realme X2 Pro (128GB)
+Until 256GB microSD, microSDXCAdvantage More external storage for files using memory cards	vs	Not supported
+6.8 millimeters (0.27 inches)28% Thinner	vs	8.7 millimeters (0.34 inches)
+6.8"5% Larger screen	vs	6.5"
+OIS (4-axis): Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video	vs	EIS: Digital stabilization
+(4G LTE-A) 300 Mbps100% Faster for surfing the internet and download files	vs	(4G LTE) 150 Mbps
+4600 mAh15% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	4000 mAh
1.8GHz 64bit Octa-core	vs	+2.96GHz 64bit Octa-core (7nm)58% More powerful processor, you can open your applications faster
4GB LPDDR4	vs	+8GB LPDDR4X100% More RAM memory. Typically more responsive and better for multitasking.
233 grams (8.16 ounces)	vs	+199 grams (6.97 ounces)17% Lighter
TFT Super IPS+	vs	+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid
1080x1920 pixels	vs	+1080x2400 pixels25% Higher resolution screen
324 PPI	vs	+405 PPI25% Crisper display of text, images and videos because it has more pixels per inch (ppi)
(back) 23MP	vs	+(quad camera) 64.1MP + 13MP + 8MP + 2MP3 times Higher resolution main camera
Only digital zoom	vs	+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures
1/2.6" inches	vs	+1/1.7" inches53% The larger sensor camera lets you take photos with better depth.
f/2.0 (aperture)	vs	+f/1.8 (aperture)11% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 8MP	vs	+(front) 16MP99% Higher resolution secondary camera to take pictures and selfies
Android 8.0 Oreo	vs	+Android 10Advantage Android 10 is newer and safer
Not supported	vs	+Face unlock 2DAdvantage Sensors help you use the device
18W	vs	+50W178% 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.
4.2 + A2DP	vs	+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely

29 Common items in both devices

128GB (118GB available) / 128GB (110GB available)

16 million

Dual-LED flash

LDAF/PDAF: laser/phase detection autofocus / PDAF: phase detection autofocus

HDR photo on both cameras

4K UHD (3840x2160)

(front) Full HD (1920x1080)

+22 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 128GB)	Realme X2 Pro (128GB)
Change model		Choose the model
Model	Zenfone 3 Ultra (ZU680KL 128GB)	Realme X2 Pro (128GB)
Other model names	Asus Zenfone 3 Ultra 4GB/128GB ZU680KL DualSim, Asus Mercury	Oppo Realme X2 Pro RMX1931 (8GB RAM + 128GB)
Country or region available	(Global, International)	(Europe), (Global, International), China
Brand	Asus	Realme
Release date	8/1/2016	10/1/2019
Depth	6.8 millimeters (0.27 inches)	8.7 millimeters (0.34 inches)
Size (width x height)	93.9 x 186.4 millimeters (3.7 x 7.34 in)	75.7 x 161 millimeters (2.98 x 6.34 in)
Weight	233 grams (8.16 ounces)	199 grams (6.97 ounces)
Build, materials	feature not registered	Aluminum frame, glass front/back
Protection against water and others	Not supported	Not supported
📲 Display
	Asus Zenfone 3 Ultra (ZU680KL 128GB)	Realme X2 Pro (128GB)
Display type	TFT Super IPS+	Super AMOLED
Screen size	6.8" inches	6.5" inches
Screen-to-body ratio	~72.8% (screen-to-body ratio)	~83.7% (screen-to-body ratio)
Display resolution	1080x1920 pixels	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch
Pixel density (dot pitch)	324 PPI	405 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 4	Gorilla Glass 5
Refresh rate	feature not registered	90Hz
Display features	feature not registered	1000nits[peak] HDR10+
🤖 Operating System
	Asus Zenfone 3 Ultra (ZU680KL 128GB)	Realme X2 Pro (128GB)
System version	Android 6.0.1 Marshmallow	Android 9.0 Pie
Firmware update	Android 8.0 Oreo	Android 10
User Interface	feature not registered	feature not registered
⚙️ Processor
	Asus Zenfone 3 Ultra (ZU680KL 128GB)	Realme X2 Pro (128GB)
Chipset	64bit: Qualcomm Snapdragon 652 MSM8976 (28nm)	64bit: Qualcomm Snapdragon 855+ (SM8150-AC) (7nm)
CPU	Octa-core, 2 processors: 4x 1.8GHz ARM Cortex-A72 (Quad-core) 4x 1.4GHz ARM Cortex-A53 (Quad-core)	Octa-core, 3 processors: 1x 2.96GHz Kryo 485 (Single-core) 3x 2.42GHz Kryo 485 (Triple-core) 4x 1.8GHz Kryo 485 (Quad-core)
GPU graphical controller	Qualcomm Adreno 510 600Mhz	Qualcomm Adreno 640 (672MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Asus Zenfone 3 Ultra (ZU680KL 128GB)	Realme X2 Pro (128GB)
RAM memory	4GB LPDDR4	8GB LPDDR4X
Internal storage	128GB (118GB available)	128GB (110GB available) UFS 3.0
External storage	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Not supported
📶 Mobile networks
	Asus Zenfone 3 Ultra (ZU680KL 128GB)	Realme X2 Pro (128GB)
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
SIM card	2 slots (Dual-SIM) micro-SIM (3FF) and nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	300/50 Mbps	150/50 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	CDMA 800, 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	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 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 Cat4 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26) TD-LTE (Bands 34, 38, 39, 40, 41) VoLTE
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, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
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
	Asus Zenfone 3 Ultra (ZU680KL 128GB)	Realme X2 Pro (128GB)
Back camera (main camera)	23 megapixels	(quad camera) 64.1 megapixels 13MP telephoto f/2.552mm1/3.4"1.0µmPDAF2x-optical-zoom 8MP ultrawide f/2.216mm1/3.2"1.4µmPDAF 2MP depth f/2.41/5"1.75µm
Main camera resolution	5520x4140 pixels	9248x6936 pixels
Video recording (primary)	4K UHD (3840x2160) 24 fps	4K UHD (3840x2160) 60 fps
Flash	Dual-LED flash	Dual-LED flash
Focal aperture	f/2.0 (aperture)	f/1.8 (aperture)
Focal length	feature not registered	26mm (lens)
Sensor size	1/2.6" inches	1/1.7" inches
Pixel size	1.12µm pixel	0.8µm pixel
Autofocus	LDAF/PDAF: laser/phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	OIS (4-axis): Optical stabilization	EIS: Digital stabilization
Zoom	Only digital zoom	Digital and optical 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	feature not registered	feature not registered
📸 Front camera
	Asus Zenfone 3 Ultra (ZU680KL 128GB)	Realme X2 Pro (128GB)
Front camera (secondary)	8 megapixels	16 megapixels
Front camera resolution	3264x2448 pixels	4608x3456 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	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	1µm pixel
🔉 Sound and multimedia
	Asus Zenfone 3 Ultra (ZU680KL 128GB)	Realme X2 Pro (128GB)
Loudspeaker	Supported	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM (RDS)	FM
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 128GB)	Realme X2 Pro (128GB)
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	5.0 + A2DP/LE
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) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Not supported	Supported
Infrared port	Supported	Not supported
🧭 Sensors
	Asus Zenfone 3 Ultra (ZU680KL 128GB)	Realme X2 Pro (128GB)
Sensors	Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Asus Zenfone 3 Ultra (ZU680KL 128GB)	Realme X2 Pro (128GB)
Battery type	Li-Ion: lithium-ion (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	4600 mAh	4000 mAh
Charger, watts	18W (9V/2A) Wired fast charging	50W Wired fast charging
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	34 hours (1.4 days)	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Asus Zenfone 3 Ultra (ZU680KL 128GB)	Realme X2 Pro (128GB)
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: Lunar White, Neptune Blue, Red Master Edition, Gray Master Edition • ColorOS 6.1 • DCI-P3 100% display • Dolby Atmos (24-bit/192kHz) • SuperVOOC Flash Charge: 100% in 35min
☢️ Radiation rate
	Asus Zenfone 3 Ultra (ZU680KL 128GB)	Realme X2 Pro (128GB)
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