Asus Zenfone Zoom (ZX551ML 32GB) vs TCL 20 SE (T671O)

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Side by side comparison between Asus Zenfone Zoom (ZX551ML) vs TCL 20 SE phones, differences, pros, cons and full specifications. What's the better?

11/15/2021 10:12 AM, updated: 11/15/2021 11:09 AM

Compare TCL 20 SE X Asus Zenfone Zoom (ZX551ML 32GB) 11Points

Specifications Compare Models Pictures

5.5"
IPS

1080x1920

13
MP

5mp

4GB
RAM

Quad-core

3000
mAh

(Non removable)

17Points TCL 20 SE (T671O) Compare Asus Zenfone Zoom (ZX551ML) 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? TCL 20 SE (T671O)

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!

11 Advantages Asus Zenfone Zoom (ZX551ML 32GB)	vs	17 Advantages TCL 20 SE (T671O)
+2.5GHz 64bit Quad-core3% More powerful processor, you can open your applications faster	vs	1.8GHz 64bit Octa-core (11nm)
+185 grams (6.48 ounces)11% Lighter	vs	206 grams (7.21 ounces)
+Aluminum frame, glass front, leather backAdvantage More resistant material	vs	Plastic body, glass front
+1080x1920 pixels76% Higher resolution screen	vs	720x1640 pixels
+401 PPI52% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	263 PPI
+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
+GyroscopeAdvantage Sensors help you use the device	vs	Not supported
+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]
+NFCAdvantage NFC allows you to make payments by approach quickly and securely	vs	Not supported
+Gorilla Glass 4Advantage Protection against scratches on the screen lets you carry your phone with your keys	vs	Not supported
32GB (26GB available)	vs	+128GB (104GB available)3 times More internal storage for applications and files
Until 128GB microSD, microSDXC	vs	+Until 256GB microSD, microSDXC100% More external storage for files using memory cards
12 millimeters (0.47 inches)	vs	+9.1 millimeters (0.36 inches)32% Thinner
5.5"	vs	+6.82"24% Larger screen
(back) 13MP	vs	+(quad camera) 48MP + 5MP + 2MP + 2MP3 times Higher resolution main camera
HDR photo only main camera	vs	+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas
f/2.7 (aperture)	vs	+f/1.8 (aperture)50% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 5MP	vs	+(front) 13MP160% Higher resolution secondary camera to take pictures and selfies
(front) HD (1280x720)	vs	+(front) Full HD (1920x1080)125% More image quality for recording videos with the secondary camera
Android 6.0 Marshmallow	vs	+Android 11Advantage Android 11 is newer and safer
Not supported	vs	+Face unlock 2DAdvantage Sensors help you use the device
Not supported	vs	+Fingerprint sensor (rear-mounted)Advantage Sensors help you use the device
3000 mAh	vs	+5000 mAh67% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supported	vs	+Active noise cancellationAdvantage More noise-canceling microphones allow for better quality in calls and audio for recorded videos
Not supported	vs	+FMAdvantage The radio lets you listen to your songs and sports in general
4.0 + A2DP	vs	+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster
MicroUSB 2.0, USB OTG On-The-Go	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.

23 Common items in both devices

4GB LPDDR3

TFT IPS LCD

16 million

Dual-LED flash

LDAF: laser detection autofocus / PDAF: phase detection autofocus

Full HD (1920x1080)

4G LTE

+16 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)	TCL 20 SE (T671O)
Change model		Choose the model
Model	Zenfone Zoom (ZX551ML 32GB)	TCL 20 SE (T671O)
Other model names	Asus Zenfone Zoom ZX551ML (4G), Asus ZX551ML	TCL 20 SE T671O-2AAZUS11, T671O-2BAZUS11
Country or region available	(Latin America), (Europe)	USA
Brand	Asus	TCL
Release date	12/1/2015	4/26/2021, Announced: 1/11/2021
Depth	12 millimeters (0.47 inches)	9.1 millimeters (0.36 inches)
Size (width x height)	78.8 x 158.9 millimeters (3.1 x 6.26 in)	77.14 x 172.08 millimeters (3.04 x 6.77 in)
Weight	185 grams (6.48 ounces)	206 grams (7.21 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)	TCL 20 SE (T671O)
Display type	TFT IPS LCD	TFT IPS LCD
Screen size	5.5" inches	6.82" inches
Screen-to-body ratio	~66.6% (screen-to-body ratio)	~83.2% (screen-to-body ratio)
Display resolution	1080x1920 pixels	720x1640 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	401 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 Zoom (ZX551ML 32GB)	TCL 20 SE (T671O)
System version	Android 5.0.2 Lollipop	Android 11
Firmware update	Android 6.0 Marshmallow	feature not registered
User Interface	feature not registered	feature not registered
⚙️ Processor
	Asus Zenfone Zoom (ZX551ML 32GB)	TCL 20 SE (T671O)
Chipset	64bit: Intel Atom Z3590 (22nm)	64bit: Qualcomm Snapdragon 460 (SM4250) (11nm)
CPU	Quad-core, 1 processor: 4x 2.5GHz Intel Silvermont (Quad-core)	Octa-core, 2 processors: 4x 1.8GHz Kryo 240 (Quad-core) 4x 1.6GHz Kryo 240 (Quad-core)
GPU graphical controller	PowerVR G6430 MP4	Qualcomm Adreno 610 (600MHz)
Performance (benchmark)	feature not registered	AnTuTu: 146080 (v9) Geekbench: 814 (v5.4)
💽 Memory and storage
	Asus Zenfone Zoom (ZX551ML 32GB)	TCL 20 SE (T671O)
RAM memory	4GB LPDDR3	4GB LPDDR3
Internal storage	32GB (26GB available)	128GB (104GB available) eMMC 5.1
External storage	Until 128GB microSD, microSDXC (dedicated slot)	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)
📶 Mobile networks
	Asus Zenfone Zoom (ZX551ML 32GB)	TCL 20 SE (T671O)
Dual-SIM	Not supported	Not supported
SIM card	1 slot (Single-SIM) micro-SIM (3FF)	1 slot (Single-SIM) nano-SIM (4FF)
Maximum Download / Upload	150/50 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	UMTS 850/900/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat4 (Bands 1, 2, 3, 5, 7, 8, 9, 18, 19, 28)	LTE Cat4 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 28, 66) VoLTE
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE
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)	TCL 20 SE (T671O)
Back camera (main camera)	13 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	4128x3096 pixels	8000x6000 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	Full HD (1920x1080) 30 fps
Flash	Dual-LED flash	Dual-LED flash
Focal aperture	f/2.7 (aperture)	f/1.8 (aperture)
Focal length	28mm (lens)	27mm (lens)
Sensor size	feature not registered	1/2" inches
Pixel size	feature not registered	1.12µm pixel
Autofocus	LDAF: laser detection autofocus	PDAF: phase detection 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	Not supported
HDR	HDR photo only main camera	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Asus Zenfone Zoom (ZX551ML 32GB)	TCL 20 SE (T671O)
Front camera (secondary)	5 megapixels	13 megapixels
Front camera resolution	2560x1920 pixels	4128x3096 pixels
Video recording (secondary)	HD (1280x720)	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 Zoom (ZX551ML 32GB)	TCL 20 SE (T671O)
Loudspeaker	Supported	Supported
Active noise cancellation	Not supported	2 microphones or more
Radio	Not supported	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+	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Asus Zenfone Zoom (ZX551ML 32GB)	TCL 20 SE (T671O)
USB	MicroUSB 2.0, USB OTG On-The-Go	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	USB Type-C (reversible)
Bluetooth	4.0 + 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	Supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Asus Zenfone Zoom (ZX551ML 32GB)	TCL 20 SE (T671O)
Sensors	Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Asus Zenfone Zoom (ZX551ML 32GB)	TCL 20 SE (T671O)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3000 mAh	5000 mAh
Charger, watts	18W Wired fast charging	18W Wired fast charging
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Asus Zenfone Zoom (ZX551ML 32GB)	TCL 20 SE (T671O)
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: 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: Nuit Black, Aurora Green • TCL UI 3 • 2.5D screen • Dual speakers stereo • 24-bit/192kHz audio
☢️ Radiation rate
	Asus Zenfone Zoom (ZX551ML 32GB)	TCL 20 SE (T671O)
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