ZTE Blade V8 (16GB) vs Samsung Galaxy S21 Ultra (SM-G998U1 128GB)

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Side by side comparison between ZTE Blade V8 vs Samsung Galaxy S21 Ultra phones, differences, pros, cons and full specifications. What's the better?

11/14/2021 5:10 PM, updated: 5/19/2025 11:26 AM

Compare Samsung Galaxy S21 Ultra X ZTE Blade V8 (16GB) 04Points

Specifications Compare Models Pictures

5.2"
IPS

1080x1920

13
MP

13mp

2GB
RAM

Octa-core

2730
mAh

(Non removable)

31Points Samsung Galaxy S21 Ultra (SM-G998U1 128GB) Compare ZTE Blade V8 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 ZTE Blade V8 (16GB)	vs	31 Advantages Samsung Galaxy S21 Ultra (SM-G998U1 128GB)
+Until 256GB microSD, microSDXCAdvantage More external storage for files using memory cards	vs	Not supported
+141 grams (4.94 ounces)61% Lighter	vs	227 grams (7.95 ounces)
+7.7 millimeters (0.3 inches)16% Thinner	vs	8.9 millimeters (0.35 inches)
+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores	vs	Type-C reversible connector
1.4GHz 64bit Octa-core	vs	+2.84GHz 64bit Octa-core (5nm)99% More powerful processor, you can open your applications faster
2GB LPDDR3	vs	+12GB LPDDR55 times More RAM memory. Typically more responsive and better for multitasking.
16GB (9GB available)	vs	+128GB (101GB available)10 times More internal storage for applications and files
TFT IPS LCD	vs	+Dynamic AMOLEDAdvantage Dynamic AMOLED display is brighter and more vivid
1080x1920 pixels	vs	+1440x3200 pixels122% Higher resolution screen
424 PPI	vs	+516 PPI22% Crisper display of text, images and videos because it has more pixels per inch (ppi)
5.2"	vs	+6.8"31% Larger screen
(dual camera) 13MP + 2MP	vs	+(quad camera) 108MP + 10MP + 10MP + 12MP8 times 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
Not supported	vs	+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness
HDR photo only main camera	vs	+HDR photo/video on both camerasAdvantage The HDR technology produced photos with more detail in dark areas
(front) 13MP	vs	+(front) 40MP2 times Higher resolution secondary camera to take pictures and selfies
Full HD (1920x1080)	vs	+8K UHD (7680x4320)15 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 7.0 Nougat	vs	+Android 15Advantage Android 15 is newer and safer
4G LTE	vs	+5G Sub6Advantage The 5G Sub6 network is newer and faster
(4G LTE) 150 Mbps	vs	+(5G Sub6) 5000 Mbps32 times Faster for surfing the internet and download files
Not supported	vs	+BarometerAdvantage Sensors help you use the device
Not supported	vs	+Face unlock 2DAdvantage Sensors help you use the device
Not supported	vs	+UWB (Ultra Wideband)Advantage Sensors help you use the device
2730 mAh	vs	+5000 mAh83% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
2 slots (Dual-SIM) (dedicated slot)	vs	+1 slot (Single-SIM) + e-SIM (Eletronic)Advantage You can have more mobile carriers/operators on the same device.
802.11 b/g/n [wifi4]	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.
4.1 + A2DP	vs	+5.2 + A2DP/LEAdvantage Bluetooth 5.2 + A2DP/LE is newer and faster
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely
MicroUSB 2.0	vs	+USB 3.2 Type-C, USB OTG On-The-GoAdvantage Newer and faster USB version for transferring photos, mp3 or data.
MicroUSB 2.0	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.
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

19 Common items in both devices

16 million

LED flash

Autofocus / PDAF: phase detection autofocus on both cameras

Capacitive

Multitouch

Accelerometer

Ambient light sensor

+12 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
	ZTE Blade V8 (16GB)	Galaxy S21 Ultra (SM-G998U1 128GB)
Change model		Choose the model
Model	Blade V8 (16GB)	Galaxy S21 Ultra (SM-G998U1 128GB)
Other model names	ZTE Blade v8 BV0800, ZTE BV0800, Turkcell T80	Galaxy S21 Ultra 5G (SM-G998U1) Unlocked
Country or region available	China, (Europe), Turkey	USA
Brand	ZTE	Samsung
Release date	2/1/2017	1/29/2021, Announced: 1/14/2021
Depth	7.7 millimeters (0.3 inches)	8.9 millimeters (0.35 inches)
Size (width x height)	71.5 x 148.4 millimeters (2.81 x 5.84 in)	75.6 x 165.1 millimeters (2.98 x 6.5 in)
Weight	141 grams (4.94 ounces)	227 grams (7.95 ounces)
Build, materials	feature not registered	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
	ZTE Blade V8 (16GB)	Galaxy S21 Ultra (SM-G998U1 128GB)
Display type	TFT IPS LCD	Dynamic AMOLED
Screen size	5.2" inches	6.8" inches
Screen-to-body ratio	~70.3% (screen-to-body ratio)	~89.4% (screen-to-body ratio)
Display resolution	1080x1920 pixels	1440x3200 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch 10-points
Pixel density (dot pitch)	424 PPI	516 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Gorilla Glass Victus
Refresh rate	feature not registered	120Hz
Display features	feature not registered	1500nits[peak] HDR10+ Always-On Display
🤖 Operating System
	ZTE Blade V8 (16GB)	Galaxy S21 Ultra (SM-G998U1 128GB)
System version	Android 7.0 Nougat	Android 11
Firmware update	feature not registered	Android 15
User Interface	feature not registered	One UI 3.1 / 4.1 / 5.1 / 6.0 / 7.0
⚙️ Processor
	ZTE Blade V8 (16GB)	Galaxy S21 Ultra (SM-G998U1 128GB)
Chipset	64bit: Qualcomm Snapdragon 435 MSM8940 (28nm)	64bit: Qualcomm Snapdragon 888 (SM8350) (5nm)
CPU	Octa-core, 2 processors: 4x 1.4GHz ARM Cortex-A53 (Quad-core) 4x 1.1GHz ARM Cortex-A53 (Quad-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 505	Qualcomm Adreno 660 (840MHz)
Performance (benchmark)	feature not registered	AnTuTu: 681099 (v8), 809165 (v9) Geekbench: 3539 (v5.2) GFXBench: 54fps (ES 3.1 onscreen)
💽 Memory and storage
	ZTE Blade V8 (16GB)	Galaxy S21 Ultra (SM-G998U1 128GB)
RAM memory	2GB LPDDR3	12GB LPDDR5
Internal storage	16GB (9GB available)	128GB (101GB available) UFS 3.1
External storage	Until 256GB microSD, microSDXC (dedicated slot)	Not supported
📶 Mobile networks
	ZTE Blade V8 (16GB)	Galaxy S21 Ultra (SM-G998U1 128GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)	Dual-SIM Standby - Call active on one sim card
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	1 slot (Single-SIM) nano-SIM (4FF) + e-SIM
Maximum Download / Upload	150/50 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 850/900/2100 TD-SCDMA 1900/2000	CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat4 800/850/900/1800/2100/2600 (Bands 1,3,5,7,8,20) TD-LTE 1900/2300/2500/2600 (Bands 38,39,40,41)	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, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE	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	GSM 850/900/1800/1900	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	GPRS, EDGE	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
	ZTE Blade V8 (16GB)	Galaxy S21 Ultra (SM-G998U1 128GB)
Back camera (main camera)	(dual camera) 13 megapixels 2MP	(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	4128x3096 pixels	12000x9000 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	8K UHD (7680x4320) 24 fps
Flash	LED flash	LED flash
Focal aperture	feature not registered	f/1.8 (aperture)
Focal length	feature not registered	26mm (lens)
Sensor size	feature not registered	1/1.33" inches
Pixel size	feature not registered	1.8µm pixel
Autofocus	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	Not supported	Supported
HDR	HDR photo only main camera	HDR photo/video on both cameras
Camera extras	feature not registered	4K@60fps 1080p@240fps 720p@960fps
📸 Front camera
	ZTE Blade V8 (16GB)	Galaxy S21 Ultra (SM-G998U1 128GB)
Front camera (secondary)	13 megapixels	40 megapixels
Front camera resolution	4128x3096 pixels	7296x5472 pixels
Video recording (secondary)	Full HD (1920x1080)	4K UHD (3840x2160)
Front flash	Not supported	Not supported
Focal aperture	feature not registered	f/2.2 (aperture)
Focal length	feature not registered	26mm (lens)
Sensor size	feature not registered	1/2.8" inches
Pixel size	feature not registered	0.7µm pixel
🔉 Sound and multimedia
	ZTE Blade V8 (16GB)	Galaxy S21 Ultra (SM-G998U1 128GB)
Loudspeaker	Supported	Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG
Active noise cancellation	2 microphones or more	3 microphones
Radio	FM	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, OGG, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	ZTE Blade V8 (16GB)	Galaxy S21 Ultra (SM-G998U1 128GB)
USB	MicroUSB 2.0	USB 3.2 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	Type-C reversible connector
TV output	Not supported	USB Type-C (reversible)
Bluetooth	4.1 + A2DP	5.2 + A2DP/LE
WiFi	802.11 b/g/n [wifi4] (2.4GHz) 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	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Not supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	ZTE Blade V8 (16GB)	Galaxy S21 Ultra (SM-G998U1 128GB)
Sensors	Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (under display) Gesture Gyroscope Hall effect Proximity sensor UWB (Ultra Wideband)
Vibrating alert	Supported	Supported
🔋 Battery
	ZTE Blade V8 (16GB)	Galaxy S21 Ultra (SM-G998U1 128GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	2730 mAh	5000 mAh
Charger, watts	Wired charging	25W Wired fast charging USB Power Delivery 3.0
Inductive / wireless charging	feature not registered	15W Qi wireless charging (Qi/PMA) 4.5W Reverse wireless charging
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	ZTE Blade V8 (16GB)	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: Gold, Gray, Silver, Pink • USB OTG On-The-Go • Aluminum body • 2.5D glass screen • Mifavor 4.2 UI • VoLTE	• Colors: Phantom Black, Silver, Titanium, Navy, Brown • Samsung Pay (Visa, MasterCard) • Samsung DeX • Stylus pen support
☢️ Radiation rate
	ZTE Blade V8 (16GB)	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