TCL 10 Pro (T799B) vs Samsung Galaxy S21 Ultra (SM-G998U1 128GB)

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Side by side comparison between TCL 10 Pro vs Samsung Galaxy S21 Ultra phones, differences, pros, cons and full specifications. What's the better?

11/14/2021 5:10 PM, updated: 11/21/2023 5:01 AM

Compare Samsung Galaxy S21 Ultra X TCL 10 Pro (T799B) 04Points

Specifications Compare Models Pictures

6.47"
AMOLED

1080x2340

64
MP

24mp

6GB
RAM

Octa-core

4500
mAh

(Non removable)

33Points Samsung Galaxy S21 Ultra (SM-G998U1 128GB) Compare TCL 10 Pro X

Specifications Compare Models Pictures

6.8"
AMOLED

1440x3200

108
MP

40mp

12GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy S21 Ultra (SM-G998U1 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!

4 Advantages TCL 10 Pro (T799B)	vs	33 Advantages Samsung Galaxy S21 Ultra (SM-G998U1 128GB)
+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards	vs	Not supported
+177 grams (6.2 ounces)28% Lighter	vs	227 grams (7.95 ounces)
+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light	vs	LED flash
+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores	vs	Type-C reversible connector
2GHz 64bit Octa-core (11nm)	vs	+2.84GHz 64bit Octa-core (5nm)36% More powerful processor, you can open your applications faster
6GB LPDDR4X	vs	+12GB LPDDR5100% More RAM memory. Typically more responsive and better for multitasking.
UFS 2.1	vs	+UFS 3.1Advantage Fastest write and read storage.
9.2 millimeters (0.36 inches)	vs	+8.9 millimeters (0.35 inches)3% Thinner
AMOLED	vs	+Dynamic AMOLEDAdvantage Dynamic AMOLED display is brighter and more vivid
HDR10	vs	+HDR10+Advantage The HDR10+ display provides vibrant colors and more details
60Hz	vs	+120Hz100% The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
1080x2340 pixels	vs	+1440x3200 pixels82% Higher resolution screen
398 PPI	vs	+516 PPI30% Crisper display of text, images and videos because it has more pixels per inch (ppi)
6.47"	vs	+6.8"5% Larger screen
(quad camera) 64MP + 16MP + 5MP + 2MP	vs	+(quad camera) 108MP + 10MP + 10MP + 12MP61% Higher resolution main camera
Only digital zoom	vs	+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures
EIS: Digital stabilization	vs	+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video
1/1.72" inches	vs	+1/1.33" inches29% The larger sensor camera lets you take photos with better depth.
(front) 24MP	vs	+(front) 40MP68% Higher resolution secondary camera to take pictures and selfies
4K UHD (3840x2160)	vs	+8K UHD (7680x4320)3 times More image quality for recording videos with the primary camera
(front) Full HD (1920x1080)	vs	+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera
Android 11	vs	+Android 14Advantage Android 14 is newer and safer
4G LTE-A	vs	+5G Sub6Advantage The 5G Sub6 network is newer and faster
(4G LTE-A) 400 Mbps	vs	+(5G Sub6) 5000 Mbps12 times Faster for surfing the internet and download files
Not supported	vs	+BarometerAdvantage Sensors help you use the device
Not supported	vs	+UWB (Ultra Wideband)Advantage Sensors help you use the device
4500 mAh	vs	+5000 mAh11% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
18W	vs	+25W39% 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	+Qi wireless charging (Qi/PMA)Advantage Wireless charging is another way to charge the battery.
1 slot (Single-SIM) (dedicated slot)	vs	+1 slot (Single-SIM) + e-SIM (Eletronic)Advantage You can have more mobile carriers/operators on the same device.
Mono sound (not stereo)	vs	+Stereo soundAdvantage Better sound quality for listening to music or clearer hands-free calls
802.11 a/b/g/n/ac [wifi5]	vs	+802.11 a/b/g/n/ac/ax [wifi6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster
Not supported	vs	+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
5.0 + A2DP/LE	vs	+5.2 + A2DP/LEAdvantage Bluetooth 5.2 + A2DP/LE is newer and faster
USB 2.0 Type-C, USB OTG On-The-Go	vs	+USB 3.2 Type-C, USB OTG On-The-GoAdvantage Newer and faster USB version for transferring photos, mp3 or data.
Not supported	vs	+Gorilla Glass VictusAdvantage Protection against scratches on the screen lets you carry your phone with your keys
Not supported	vs	+IP68 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example

20 Common items in both devices

128GB (103GB available) / 128GB (101GB available)

Aluminum frame, glass front/back

16 million

PDAF: phase detection autofocus / PDAF: phase detection autofocus on both cameras

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

f/1.8 (aperture)

Capacitive

+13 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
	TCL 10 Pro (T799B)	Galaxy S21 Ultra (SM-G998U1 128GB)
Change model		Choose the model
Model	TCL 10 Pro (T799B)	Galaxy S21 Ultra (SM-G998U1 128GB)
Other model names	TCL 10 Pro T799B-2ALCUS11-2	Galaxy S21 Ultra 5G (SM-G998U1) Unlocked
Country or region available	(Latin America), Canada, USA	USA
Brand	TCL	Samsung
Release date	5/19/2020, Announced: 4/6/2020	1/29/2021, Announced: 1/14/2021
Depth	9.2 millimeters (0.36 inches)	8.9 millimeters (0.35 inches)
Size (width x height)	72.4 x 158.5 millimeters (2.85 x 6.24 in)	75.6 x 165.1 millimeters (2.98 x 6.5 in)
Weight	177 grams (6.2 ounces)	227 grams (7.95 ounces)
Build, materials	Aluminum frame, glass front/back	Aluminum frame, glass front/back
Protection against water and others	Not supported	IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant
📲 Display
	TCL 10 Pro (T799B)	Galaxy S21 Ultra (SM-G998U1 128GB)
Display type	AMOLED	Dynamic AMOLED
Screen size	6.47" inches	6.8" inches
Screen-to-body ratio	~89.5% (screen-to-body ratio)	~89.4% (screen-to-body ratio)
Display resolution	1080x2340 pixels (19.5:9)	1440x3200 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch 10-points
Pixel density (dot pitch)	398 PPI	516 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Gorilla Glass Victus
Refresh rate	60Hz	120Hz
Display features	600nits[typ] HDR10 Always-On Display NXTVISION	1500nits[peak] HDR10+ Always-On Display
🤖 Operating System
	TCL 10 Pro (T799B)	Galaxy S21 Ultra (SM-G998U1 128GB)
System version	Android 10	Android 11
Firmware update	Android 11	Android 14
User Interface	TCL UI	One UI 3.1 / 4.1 / 5.1 / 6.0
⚙️ Processor
	TCL 10 Pro (T799B)	Galaxy S21 Ultra (SM-G998U1 128GB)
Chipset	64bit: Qualcomm Snapdragon 675 (SM6150) (11nm)	64bit: Qualcomm Snapdragon 888 (SM8350) (5nm)
CPU	Octa-core, 2 processors: 2x 2GHz Kryo 460 Gold (Dual-core) 6x 1.7GHz Kryo 460 Silver (Hexa-core)	Octa-core, 3 processors: 1x 2.84GHz Kryo 680 (Single-core) 3x 2.42GHz Kryo 680 (Triple-core) 4x 1.8GHz Kryo 680 (Quad-core)
GPU graphical controller	Qualcomm Adreno 612 (845MHz)	Qualcomm Adreno 660 (840MHz)
Performance (benchmark)	AnTuTu: 220202 (v8), 275829 (v9)	AnTuTu: 681099 (v8), 809165 (v9) Geekbench: 3539 (v5.2) GFXBench: 54fps (ES 3.1 onscreen)
💽 Memory and storage
	TCL 10 Pro (T799B)	Galaxy S21 Ultra (SM-G998U1 128GB)
RAM memory	6GB LPDDR4X	12GB LPDDR5
Internal storage	128GB (103GB available) UFS 2.1	128GB (101GB available) UFS 3.1
External storage	Until 1TB microSD, microSDXC (dedicated slot)	Not supported
📶 Mobile networks
	TCL 10 Pro (T799B)	Galaxy S21 Ultra (SM-G998U1 128GB)
Dual-SIM	Not supported	Dual-SIM Standby - Call active on one sim card
SIM card	1 slot (Single-SIM) nano-SIM (4FF)	1 slot (Single-SIM) nano-SIM (4FF) + e-SIM
Maximum Download / Upload	400/75 Mbps	5000/1920 Mbps
Network technology	2G, 3G, 4G	2G, 3G, 4G, 5G
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 800/1900, GSM 850/900/1800/1900
Primary 3G network	UMTS 850/900/1700/1900/2100	CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 25, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 66, 71) TD-LTE (38, 39, 40, 41, 46, 48) VoLTE
Primary 5G network	Not supported	SA/NSA/Sub6 (2, 5, 25, 41, 66, 71) mmWave (260, 261)
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6
Secondary 2G network	Not supported	CDMA 800/1900, GSM 850/900/1800/1900
Secondary 3G network	Not supported	CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100
Secondary 4G network	Not supported	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 66, 71) TD-LTE (38, 39, 40, 41, 46, 48) VoLTE
Secondary data network	Not supported	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6
📷 Camera
	TCL 10 Pro (T799B)	Galaxy S21 Ultra (SM-G998U1 128GB)
Back camera (main camera)	(quad camera) 64 megapixels 16MP ultrawide f/2.4123°13mm1/3.1"1.0µm 5MP macro f/2.283°1/5" 2MP depth f/2.477°1/2.8"	(quad camera) 108 megapixels 10MP periscope telephoto f/4.9240mm1/3.24"1.22µmPDAFOIS10x-optical-zoom 10MP telephoto f/2.470mm1/3.24"1.22µmPDAFOIS3x-optical-zoom 12MP ultrawide f/2.213mm1/2.55"1.4µmPDAFSuper-Steady-video
Main camera resolution	10120x6328 pixels	12000x9000 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	8K UHD (7680x4320) 24 fps
Flash	Dual-LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/1.8 (aperture)
Focal length	26mm lens	26mm lens
Sensor size	1/1.72" inches	1/1.33" inches
Pixel size	0.8µm pixel	1.8µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus on both cameras
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	OIS: Optical stabilization
Zoom	Only digital zoom	Digital and optical zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Supported	Supported
HDR	HDR photo on both cameras	HDR photo/video on both cameras
Camera extras	1080p@120fps 720p@960fps	4K@60fps 1080p@240fps 720p@960fps
📸 Front camera
	TCL 10 Pro (T799B)	Galaxy S21 Ultra (SM-G998U1 128GB)
Front camera (secondary)	24 megapixels	40 megapixels
Front camera resolution	5632x4224 pixels	7296x5472 pixels
Video recording (secondary)	Full HD (1920x1080)	4K UHD (3840x2160)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/2.2 (aperture)
Focal length	26mm lens	26mm lens
Sensor size	1/2.8" inches	1/2.8" inches
Pixel size	0.9µm pixel	0.7µm pixel
🔉 Sound and multimedia
	TCL 10 Pro (T799B)	Galaxy S21 Ultra (SM-G998U1 128GB)
Loudspeaker	Mono sound (not stereo)	Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM	FM
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	TCL 10 Pro (T799B)	Galaxy S21 Ultra (SM-G998U1 128GB)
USB	USB 2.0 Type-C, USB OTG On-The-Go	USB 3.2 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	Type-C reversible connector
TV output	USB Type-C (reversible)	USB Type-C (reversible)
Bluetooth	5.0 + A2DP/LE	5.2 + A2DP/LE
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Supported	Supported
Infrared port	Supported	Not supported
🧭 Sensors
	TCL 10 Pro (T799B)	Galaxy S21 Ultra (SM-G998U1 128GB)
Sensors	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gesture Gyroscope Hall effect Proximity sensor UWB (Ultra Wideband)
Vibrating alert	Supported	Supported
🔋 Battery
	TCL 10 Pro (T799B)	Galaxy S21 Ultra (SM-G998U1 128GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	4500 mAh	5000 mAh
Charger, watts	18W (9V/2A) Wired fast charging Reverse charging by cable Quick Charge 3	25W Wired fast charging USB Power Delivery 3.0
Inductive / wireless charging	Not supported	15W Qi wireless charging (Qi/PMA) 4.5W Reverse wireless charging
Talk time autonomy	18 hours	feature not registered
Standby	600 hours (25 days)	feature not registered
➕ Other features
	TCL 10 Pro (T799B)	Galaxy S21 Ultra (SM-G998U1 128GB)
Call control	Voice dialing, Voice recorder, Voice commands	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: Gray, Green • TPU case included	• Colors: Phantom Black, Silver, Titanium, Navy, Brown • Samsung Pay (Visa, MasterCard) • Samsung DeX • Stylus pen support
☢️ Radiation rate
	TCL 10 Pro (T799B)	Galaxy S21 Ultra (SM-G998U1 128GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	0.77W/kg (head), 1.02W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered