Asus Zenfone 3 Ultra (ZU680KL 128GB) vs TCL 20 SE (T671E)

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Side by side comparison between Asus Zenfone 3 Ultra vs TCL 20 SE phones, differences, pros, cons and full specifications. What's the better?

11/15/2021 9:18 AM, updated: 11/15/2021 11:09 AM

Compare TCL 20 SE X Asus Zenfone 3 Ultra (ZU680KL 128GB) 12Points

Specifications Compare Models Pictures

6.8"
IPS+

1080x1920

23
MP

8mp

4GB
RAM

Octa-core

4600
mAh

(Non removable)

12Points TCL 20 SE (T671E) Compare Asus Zenfone 3 Ultra X

Specifications Compare Models Pictures

6.82"
IPS

720x1640

48
MP

13mp

4GB
RAM

Octa-core

5000
mAh

(Non removable)

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

12 Advantages Asus Zenfone 3 Ultra (ZU680KL 128GB)	vs	12 Advantages TCL 20 SE (T671E)
+4GB LPDDR4Advantage This RAM type is better and more efficient.	vs	4GB LPDDR3
+128GB (118GB available)13% More internal storage for applications and files	vs	128GB (104GB available)
+6.8 millimeters (0.27 inches)34% Thinner	vs	9.1 millimeters (0.36 inches)
+1080x1920 pixels76% Higher resolution screen	vs	720x1640 pixels
+324 PPI23% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	263 PPI
+OIS (4-axis): Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video	vs	EIS: Digital stabilization
+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera	vs	Full HD (1920x1080)
+(4G LTE-A) 300 Mbps100% Faster for surfing the internet and download files	vs	(4G LTE) 150 Mbps
+GyroscopeAdvantage Sensors help you use the device	vs	Not supported
+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) (hybrid slot/shares the same microSD slot)
+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]
+Gorilla Glass 4Advantage Protection against scratches on the screen lets you carry your phone with your keys	vs	Not supported
1.8GHz 64bit Octa-core	vs	+1.8GHz 64bit Octa-core (11nm)17% More powerful processor, you can open your applications faster
233 grams (8.16 ounces)	vs	+206 grams (7.21 ounces)13% Lighter
6.8"	vs	+6.82"1% Larger screen
(back) 23MP	vs	+(quad camera) 48MP + 5MP + 2MP + 2MP149% Higher resolution main camera
1/2.6" inches	vs	+1/2" inches30% 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) 13MP60% Higher resolution secondary camera to take pictures and selfies
Android 8.0 Oreo	vs	+Android 11Advantage Android 11 is newer and safer
Not supported	vs	+Face unlock 2DAdvantage Sensors help you use the device
4600 mAh	vs	+5000 mAh9% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
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

27 Common items in both devices

Until 256GB microSD, microSDXC

TFT Super IPS+ / TFT IPS LCD

16 million

Dual-LED flash

Only digital zoom

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

HDR photo on both cameras

+20 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)	TCL 20 SE (T671E)
Change model		Choose the model
Model	Zenfone 3 Ultra (ZU680KL 128GB)	TCL 20 SE (T671E)
Other model names	Asus Zenfone 3 Ultra 4GB/128GB ZU680KL DualSim, Asus Mercury	TCL 20 SE (T671E) 128GB+4GB RAM
Country or region available	(Global, International)	(Latin America), Mexico
Brand	Asus	TCL
Release date	8/1/2016	4/26/2021, Announced: 1/11/2021
Depth	6.8 millimeters (0.27 inches)	9.1 millimeters (0.36 inches)
Size (width x height)	93.9 x 186.4 millimeters (3.7 x 7.34 in)	77.14 x 172.08 millimeters (3.04 x 6.77 in)
Weight	233 grams (8.16 ounces)	206 grams (7.21 ounces)
Build, materials	feature not registered	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Asus Zenfone 3 Ultra (ZU680KL 128GB)	TCL 20 SE (T671E)
Display type	TFT Super IPS+	TFT IPS LCD
Screen size	6.8" inches	6.82" inches
Screen-to-body ratio	~72.8% (screen-to-body ratio)	~83.2% (screen-to-body ratio)
Display resolution	1080x1920 pixels	720x1640 pixels
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch
Pixel density (dot pitch)	324 PPI	263 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 4	Not supported
Refresh rate	feature not registered	60Hz
Display features	feature not registered	450nits[typ]
🤖 Operating System
	Asus Zenfone 3 Ultra (ZU680KL 128GB)	TCL 20 SE (T671E)
System version	Android 6.0.1 Marshmallow	Android 11
Firmware update	Android 8.0 Oreo	feature not registered
User Interface	feature not registered	feature not registered
⚙️ Processor
	Asus Zenfone 3 Ultra (ZU680KL 128GB)	TCL 20 SE (T671E)
Chipset	64bit: Qualcomm Snapdragon 652 MSM8976 (28nm)	64bit: Qualcomm Snapdragon 460 (SM4250) (11nm)
CPU	Octa-core, 2 processors: 4x 1.8GHz ARM Cortex-A72 (Quad-core) 4x 1.4GHz ARM Cortex-A53 (Quad-core)	Octa-core, 2 processors: 4x 1.8GHz Kryo 240 (Quad-core) 4x 1.6GHz Kryo 240 (Quad-core)
GPU graphical controller	Qualcomm Adreno 510 600Mhz	Qualcomm Adreno 610 (600MHz)
Performance (benchmark)	feature not registered	AnTuTu: 146080 (v9) Geekbench: 814 (v5.4)
💽 Memory and storage
	Asus Zenfone 3 Ultra (ZU680KL 128GB)	TCL 20 SE (T671E)
RAM memory	4GB LPDDR4	4GB LPDDR3
Internal storage	128GB (118GB available)	128GB (104GB available) UFS 2.1
External storage	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)
📶 Mobile networks
	Asus Zenfone 3 Ultra (ZU680KL 128GB)	TCL 20 SE (T671E)
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	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	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 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 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 26, 28, 66) 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, UMTS, HSDPA, HSUPA, HSPA+, LTE
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 128GB)	TCL 20 SE (T671E)
Back camera (main camera)	23 megapixels	(quad camera) 48 megapixels 5MP ultrawide f/2.214mm115°1/5"1.12µm 2MP depth f/2.4 2MP macro f/2.4
Main camera resolution	5520x4140 pixels	8000x6000 pixels
Video recording (primary)	4K UHD (3840x2160) 24 fps	Full HD (1920x1080) 30 fps
Flash	Dual-LED flash	Dual-LED flash
Focal aperture	f/2.0 (aperture)	f/1.8 (aperture)
Focal length	feature not registered	27mm (lens)
Sensor size	1/2.6" inches	1/2" inches
Pixel size	1.12µm pixel	1.12µm 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	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 on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Asus Zenfone 3 Ultra (ZU680KL 128GB)	TCL 20 SE (T671E)
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/2.2 (aperture)
Focal length	feature not registered	26mm (lens)
Sensor size	feature not registered	1/3" inches
Pixel size	feature not registered	1.12µm pixel
🔉 Sound and multimedia
	Asus Zenfone 3 Ultra (ZU680KL 128GB)	TCL 20 SE (T671E)
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)	TCL 20 SE (T671E)
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®	USB Type-C (reversible)
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 b/g/n [wifi4] (2.4GHz) 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)	TCL 20 SE (T671E)
Sensors	Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Asus Zenfone 3 Ultra (ZU680KL 128GB)	TCL 20 SE (T671E)
Battery type	Li-Ion: lithium-ion (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	4600 mAh	5000 mAh
Charger, watts	18W (9V/2A) Wired fast charging	18W 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)	TCL 20 SE (T671E)
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: Nuit Black, Aurora Green • TCL UI 3 • 2.5D screen • Dual speakers stereo • 24-bit/192kHz audio
☢️ Radiation rate
	Asus Zenfone 3 Ultra (ZU680KL 128GB)	TCL 20 SE (T671E)
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