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Samsung Galaxy S21 Ultra (SM-G998U1 128GB) vs ZTE Axon 30 (256GB/12GB)

Side by side comparison between Samsung Galaxy S21 Ultra vs ZTE Axon 30 phones, differences, pros, cons and full specifications. What's the better?

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Compare ZTE Axon 30 X Samsung Galaxy S21 Ultra (SM-G998U1 128GB) 26Points
6.8"
AMOLED

1440x3200

108
MP

40mp

12GB
RAM

Octa-core

5000
mAh

(Non removable)

vs
08Points ZTE Axon 30 (256GB/12GB) Compare Samsung Galaxy S21 Ultra X
6.92"
AMOLED

1080x2460

64
MP

16mp

12GB
RAM

Octa-core

4200
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!

Galaxy S21 Ultra (SM-G998U1 128GB)} 26 Advantages Samsung Galaxy S21 Ultra (SM-G998U1 128GB) vs Axon 30 (256GB/12GB)} 8 Advantages ZTE Axon 30 (256GB/12GB)
+2.84GHz 64bit Octa-core (5nm)5%
More powerful processor, you can open your applications faster
vs3.2GHz 64bit Octa-core (7nm)
+Aluminum frame, glass front/backAdvantage
More resistant material
vsPlastic body, glass front
+Dynamic AMOLEDAdvantage
Dynamic AMOLED display is brighter and more vivid
vsAMOLED
+HDR10+Advantage
The HDR10+ display provides vibrant colors and more details
vsNot supported
+1440x3200 pixels73%
Higher resolution screen
vs1080x2460 pixels
+516 PPI33%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs388 PPI
+(quad camera) 108MP + 10MP + 10MP + 12MP77%
Higher resolution main camera
vs(quad camera) 64MP + 8MP + 5MP + 2MP
+Digital and optical zoomAdvantage
The zoom allows for better focus and approach to take pictures
vsOnly digital zoom
+OIS: Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
vsEIS: Digital stabilization
+1/1.33" inches30%
The larger sensor camera lets you take photos with better depth.
vs1/1.73" inches
+(front) 40MP151%
Higher resolution secondary camera to take pictures and selfies
vs(front) 16MP
+8K UHD (7680x4320)3 times
More image quality for recording videos with the primary camera
vs4K UHD (3840x2160)
+(front) 4K UHD (3840x2160)3 times
More image quality for recording videos with the secondary camera
vs(front) Full HD (1920x1080)
+Android 14Advantage
Android 14 is newer and safer
vsAndroid 11
+(5G Sub6) 5000 Mbps150%
Faster for surfing the internet and download files
vs(5G SA/NSA) 2000 Mbps
+BarometerAdvantage
Sensors help you use the device
vsNot supported
+UWB (Ultra Wideband)Advantage
Sensors help you use the device
vsNot supported
+5000 mAh19%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs4200 mAh
+Qi wireless charging (Qi/PMA)Advantage
Wireless charging is another way to charge the battery.
vsNot supported
+1 slot (Single-SIM) + e-SIM (Eletronic)Advantage
You can have more mobile carriers/operators on the same device.
vs2 slots (Dual-SIM)
(hybrid slot/shares the same microSD slot)
+Stereo soundAdvantage
Better sound quality for listening to music or clearer hands-free calls
vsMono sound (not stereo)
+FMAdvantage
The radio lets you listen to your songs and sports in general
vsNot supported
+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
vsNot supported
+5.2 + A2DP/LEAdvantage
Bluetooth 5.2 + A2DP/LE is newer and faster
vs5.1 + A2DP/LE
+USB 3.2 Type-C, USB OTG On-The-GoAdvantage
Newer and faster USB version for transferring photos, mp3 or data.
vsUSB 3.1 Type-C, USB OTG On-The-Go
+IP68 certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsNot supported
128GB (101GB available)vs+256GB (228GB available)126%
More internal storage for applications and files
Not supportedvs+Until 1TB microSD, microSDXCAdvantage
More external storage for files using memory cards
227 grams (7.95 ounces)vs+189 grams (6.62 ounces)20%
Lighter
8.9 millimeters (0.35 inches)vs+7.8 millimeters (0.31 inches)14%
Thinner
16 millionvs+1 billion62 times
More colors on the screen is better quality images and videos
6.8"vs+6.92"2%
Larger screen
LED flashvs+Dual-LED flashAdvantage
The Dual-LED flash helps in dark places or in low light
25Wvs+65W160%
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.

23 Common items in both devices
12GB LPDDR5
UFS 3.1
120Hz
PDAF: phase detection autofocus on both cameras / PDAF: phase detection autofocus
HDR photo/video on both cameras / HDR photo on both cameras
f/1.8 (aperture)
5G Sub6 / 5G SA/NSA
+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 Clear highlight

📱 Model features

Galaxy S21 Ultra (SM-G998U1 128GB)ZTE Axon 30 (256GB/12GB)
ModelGalaxy S21 Ultra (SM-G998U1 128GB)Axon 30 (256GB/12GB)
Other model namesGalaxy S21 Ultra 5G (SM-G998U1) UnlockedZTE Axon 30 5G (A2322)
Country or region availableUSA
USA
(Global, International)
(Global, International)
BrandSamsungZTE
Release date1/29/2021, Announced: 1/14/20218/3/2021, Announced: 7/27/2021
Depth8.9 millimeters (0.35 inches)7.8 millimeters (0.31 inches)
Size (width x height)75.6 x 165.1 millimeters (2.98 x 6.5 in)77.8 x 170.2 millimeters (3.06 x 6.7 in)
Weight227 grams (7.95 ounces)189 grams (6.62 ounces)
Build, materialsAluminum frame, glass front/backPlastic body, glass front
Protection against water and othersIP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistantNot supported

📲 Display

Galaxy S21 Ultra (SM-G998U1 128GB)ZTE Axon 30 (256GB/12GB)
Display typeDynamic AMOLEDAMOLED
Screen size6.8" inches6.92" inches
Screen-to-body ratio~89.4% (screen-to-body ratio)~85.9% (screen-to-body ratio)
Display resolution1440x3200 pixels (20:9)1080x2460 pixels (20.5:9)
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch
Pixel density (dot pitch)516 PPI388 PPI
Colors16 million1 billion
Scratch-resistant glassGorilla Glass VictusGorilla Glass
Refresh rate120Hz120Hz
Display features1500nits[peak]
HDR10+
Always-On Display
Always-On Display
DCI-P3 100%
2.5D glass

🤖 Operating System

Galaxy S21 Ultra (SM-G998U1 128GB)ZTE Axon 30 (256GB/12GB)
System versionAndroid 11Android 11
Firmware updateAndroid 14feature not registered
User InterfaceOne UI 3.1 / 4.1 / 5.1 / 6.0MyOS 11

⚙️ Processor

Galaxy S21 Ultra (SM-G998U1 128GB)ZTE Axon 30 (256GB/12GB)
Chipset64bit: Qualcomm Snapdragon 888 (SM8350) (5nm)64bit: Qualcomm Snapdragon 870 (SM8250-AC) (7nm)
CPUOcta-core, 3 processors:
1x 2.84GHz Kryo 680 (Single-core)
3x 2.42GHz Kryo 680 (Triple-core)
4x 1.8GHz Kryo 680 (Quad-core)
Octa-core, 3 processors:
1x 3.2GHz Kryo 585 (Single-core)
3x 2.42GHz Kryo 585 (Triple-core)
4x 1.8GHz Kryo 585 (Quad-core)
GPU graphical controllerQualcomm Adreno 660 (840MHz)Qualcomm Adreno 650 (670MHz)
Performance (benchmark)AnTuTu: 681099 (v8), 809165 (v9)
Geekbench: 3539 (v5.2)
GFXBench: 54fps (ES 3.1 onscreen)
AnTuTu: 701991 (v9)
Geekbench: 3160 (v5.1)
GFXBench: 59fps (ES 3.1 onscreen)

💽 Memory and storage

Galaxy S21 Ultra (SM-G998U1 128GB)ZTE Axon 30 (256GB/12GB)
RAM memory12GB LPDDR512GB LPDDR5
Internal storage128GB (101GB available)
UFS 3.1
256GB (228GB available)
UFS 3.1
External storageNot supportedUntil 1TB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)

📶 Mobile networks

Galaxy S21 Ultra (SM-G998U1 128GB)ZTE Axon 30 (256GB/12GB)
Dual-SIMDual-SIM Standby - Call active on one sim cardDual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot)
SIM card1 slot (Single-SIM)
nano-SIM (4FF) + e-SIM
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload5000/1920 Mbps2000/1024 Mbps
Network technology2G, 3G, 4G, 5G2G, 3G, 4G, 5G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkCDMA 800/1900, GSM 850/900/1800/1900CDMA 800, GSM 850/900/1800/1900
Primary 3G networkCDMA2000 1xEV-DO
UMTS 850/900/1700/1900/2100
CDMA2000 1xEV-DO
Global version:
UMTS 850/900/1700/1900/2100
America version:
UMTS 850/900/1900/2100
Primary 4G networkLTE 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
LTE Cat20
VoLTE
Global version:
LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 18, 19)
TD-LTE (34, 38, 39, 40, 41)
America version:
LTE ( 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 66)
TD-LTE (34, 38, 39, 40, 41)
Primary 5G networkSA/NSA/Sub6 (2, 5, 25, 41, 66, 71)
mmWave (260, 261)
Global version:
SA/NSA (1, 3, 28, 38, 41, 77, 78)
America version:
SA/NSA (1, 3, 28, 41, 66, 78)
China version:
SA/NSA (1, 3, 28, 41, 78)
Primary data networkGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
Secondary 2G networkCDMA 800/1900, GSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkCDMA2000 1xEV-DO
UMTS 850/900/1700/1900/2100
Global version:
UMTS 850/900/1700/1900/2100
America version:
UMTS 850/900/1900/2100
Secondary 4G networkLTE 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
LTE Cat20
VoLTE
Global version:
LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 18, 19)
TD-LTE (34, 38, 39, 40, 41)
America version:
LTE ( 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 66)
TD-LTE (34, 38, 39, 40, 41)
Secondary data networkGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA

📷 Camera

Galaxy S21 Ultra (SM-G998U1 128GB)ZTE Axon 30 (256GB/12GB)
Back camera (main camera)(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
(quad camera)
64 megapixels
8MP ultrawide f/2.2120°16mm
5MP macro f/2.4
2MP depth f/2.4
Main camera resolution12000x9000 pixels10120x6328 pixels
Video recording (primary)8K UHD (7680x4320) 24 fps4K UHD (3840x2160) 60 fps
FlashLED flashDual-LED flash
Focal aperturef/1.8 (aperture)f/1.8 (aperture)
Focal length26mm lens25mm lens
Sensor size1/1.33" inches1/1.73" inches
Pixel size1.8µm pixel0.8µm pixel
AutofocusPDAF: phase detection autofocus on both camerasPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationOIS: Optical stabilizationEIS: Digital stabilization
ZoomDigital and optical zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorSupportedSupported
HDRHDR photo/video on both camerasHDR photo on both cameras
Camera extras4K@60fps
1080p@240fps
720p@960fps
1080p@30fps
Sony IMX682 sensor

📸 Front camera

Galaxy S21 Ultra (SM-G998U1 128GB)ZTE Axon 30 (256GB/12GB)
Front camera (secondary)40 megapixels16 megapixels
Front camera resolution7296x5472 pixels4608x3456 pixels
Video recording (secondary)4K UHD (3840x2160)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)f/2.5 (aperture)
Focal length26mm lensfeature not registered
Sensor size1/2.8" inchesfeature not registered
Pixel size0.7µm pixelfeature not registered

🔉 Sound and multimedia

Galaxy S21 Ultra (SM-G998U1 128GB)ZTE Axon 30 (256GB/12GB)
LoudspeakerStereo sound
32-bit/384kHz
Dolby Atmos
Tuned by AKG
Mono sound (not stereo)
24-bit/192kHz
Active noise cancellation2 microphones or more2 microphones or more
RadioFMNot supported
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Galaxy S21 Ultra (SM-G998U1 128GB)ZTE Axon 30 (256GB/12GB)
USBUSB 3.2 Type-C, USB OTG On-The-GoUSB 3.1 Type-C, USB OTG On-The-Go
Audio outputType-C reversible connectorType-C reversible connector
TV outputUSB Type-C (reversible)USB Type-C (reversible)
Bluetooth5.2 + A2DP/LE5.1 + A2DP/LE
WiFi802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNASupportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFCSupportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

Galaxy S21 Ultra (SM-G998U1 128GB)ZTE Axon 30 (256GB/12GB)
SensorsAccelerometer
Ambient light sensor
Barometer
Compass
Face unlock
Fingerprint sensor (under display)
Gesture
Gyroscope
Hall effect
Proximity sensor
UWB (Ultra Wideband)
Accelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (under display)
Gyroscope
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Galaxy S21 Ultra (SM-G998U1 128GB)ZTE Axon 30 (256GB/12GB)
Battery typeLiPo: li-ion polymer (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity5000 mAh4200 mAh
Charger, watts25W Wired fast charging
USB Power Delivery 3.0
65W Wired fast charging
Quick Charge 4+
USB Power Delivery 3.0
Inductive / wireless charging15W Qi wireless charging (Qi/PMA)
4.5W Reverse wireless charging
Not supported
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

Galaxy S21 Ultra (SM-G998U1 128GB)ZTE Axon 30 (256GB/12GB)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder, Voice commands
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: Phantom Black, Silver, Titanium, Navy, Brown
• Samsung Pay (Visa, MasterCard)
• Samsung DeX
• Stylus pen support
• Colors: Black, Aqua
• Triple cooling system

☢️ Radiation rate

Galaxy S21 Ultra (SM-G998U1 128GB)ZTE Axon 30 (256GB/12GB)
SAR 1.6W/kg (USA, Mexico, etc.)0.77W/kg (head), 1.02W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
X

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