ZTE Axon 7 (64GB) vs Samsung Galaxy A21 (SM-A215U1)

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Side by side comparison between ZTE Axon 7 vs Samsung Galaxy A21 phones, differences, pros, cons and full specifications. What's the better?

9/28/2020 12:08 AM, updated: 9/28/2020 12:22 AM

Compare Samsung Galaxy A21 X ZTE Axon 7 (64GB) 14Points

Specifications Compare Models Pictures

5.5"
AMOLED

1440x2560

20
MP

8mp

4GB
RAM

Quad-core

3250
mAh

(Non removable)

10Points Samsung Galaxy A21 (SM-A215U1) Compare ZTE Axon 7 X

Specifications Compare Models Pictures

6.5"
PLS

720x1600

16
MP

13mp

3GB
RAM

Octa-core

4000
mAh

(Non removable)

What's the better phone? ZTE Axon 7 (64GB)

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!

14 Advantages ZTE Axon 7 (64GB)	vs	10 Advantages Samsung Galaxy A21 (SM-A215U1)
+4GB LPDDR433% More RAM memory. Typically more responsive and better for multitasking.	vs	3GB LPDDR3
+64GB (52GB available)160% More internal storage for applications and files	vs	32GB (20GB available)
+175 grams (6.13 ounces)10% Lighter	vs	193 grams (6.76 ounces)
+7.9 millimeters (0.31 inches)3% Thinner	vs	8.1 millimeters (0.32 inches)
+AMOLEDAdvantage AMOLED display is brighter and more vivid	vs	TFT PLS
+1440x2560 pixels2 times Higher resolution screen	vs	720x1600 pixels
+534 PPI98% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	270 PPI
+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light	vs	LED flash
+OIS: 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
+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) (dedicated slot)
+USB 3.1 Type-C reversible connectorAdvantage Newer and faster USB version for transferring photos, mp3 or data.	vs	USB 2.0 Type-C reversible connector
+Gorilla Glass 4Advantage Protection against scratches on the screen lets you carry your phone with your keys	vs	Not supported
2.15GHz 64bit Quad-core	vs	+2.3GHz 64bit Octa-core (12nm)41% More powerful processor, you can open your applications faster
Until 256GB microSD, microSDXC	vs	+Until 512GB microSD, microSDXC100% More external storage for files using memory cards
5.5"	vs	+6.5"18% Larger screen
(back) 20MP	vs	+(quad camera) 16MP + 8MP + 2MP + 2MP40% Higher resolution main camera
(front) 8MP	vs	+(front) 13MP60% Higher resolution secondary camera to take pictures and selfies
Android 6.0.1 Marshmallow	vs	+Android 10Advantage Android 10 is newer and safer
Not supported	vs	+Face unlock 2DAdvantage Sensors help you use the device
3250 mAh	vs	+4000 mAh23% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supported	vs	+FMAdvantage The radio lets you listen to your songs and sports in general
4.2 + A2DP	vs	+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster

25 Common items in both devices

16 million

Only digital zoom

PDAF: phase detection autofocus

HDR photo on both cameras

f/1.8 (aperture)

(front) Full HD (1920x1080)

4G LTE-A / 4G LTE

+18 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 Axon 7 (64GB)	Galaxy A21 (SM-A215U1)
Change model		Choose the model
Model	Axon 7 (64GB)	Galaxy A21 (SM-A215U1)
Other model names	ZTE Axon 7 Dual-Sim A2017, A2017U, A2017G, ZTE Axon 2	Galaxy A21 SM-A215UZKAXAA (USA Unlocked)
Country or region available	(Global, International), China, USA, Hong Kong, Japan, Taiwan	USA
Brand	ZTE	Samsung
Release date	5/1/2016	6/26/2020
Depth	7.9 millimeters (0.31 inches)	8.1 millimeters (0.32 inches)
Size (width x height)	75 x 151.7 millimeters (2.95 x 5.97 in)	76.7 x 167.8 millimeters (3.02 x 6.61 in)
Weight	175 grams (6.13 ounces)	193 grams (6.76 ounces)
Build, materials	feature not registered	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	ZTE Axon 7 (64GB)	Galaxy A21 (SM-A215U1)
Display type	AMOLED	TFT PLS
Screen size	5.5" inches	6.5" inches
Screen-to-body ratio	~73.3% (screen-to-body ratio)	~79.3% (screen-to-body ratio)
Display resolution	1440x2560 pixels	720x1600 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	534 PPI	270 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	Not supported
🤖 Operating System
	ZTE Axon 7 (64GB)	Galaxy A21 (SM-A215U1)
System version	Android 6.0.1 Marshmallow	Android 10
Firmware update	feature not registered	feature not registered
User Interface	feature not registered	feature not registered
⚙️ Processor
	ZTE Axon 7 (64GB)	Galaxy A21 (SM-A215U1)
Chipset	64bit: Qualcomm Snapdragon 820 MSM8996 (14nm)	64bit: MediaTek Helio P35 (MT6765) (12nm)
CPU	Quad-core, 2 processors: 2x 2.15GHz Kryo (Dual-core) 2x 1.6GHz Kryo (Dual-core)	Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A53 (Quad-core) 4x 1.8GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	Qualcomm Adreno 530	PowerVR GE8320 MP2 (680MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	ZTE Axon 7 (64GB)	Galaxy A21 (SM-A215U1)
RAM memory	4GB LPDDR4	3GB LPDDR3
Internal storage	64GB (52GB available)	32GB (20GB available) eMMC 5.1
External storage	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Until 512GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	ZTE Axon 7 (64GB)	Galaxy A21 (SM-A215U1)
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) 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	CDMA 800/1900, GSM 850/900/1800/1900	CDMA 800/1900, GSM 850/900/1800/1900
Primary 3G network	Asia model: TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 Japan model: UMTS 800/900/2100 USA model: CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100	CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat6 Asia model: LTE 700/800/850/900/1700/1800/1900/2100/2600 (Bands 1,2,3,4,5,7,8,19,20,28) TD-LTE 2300/2500/2600 (Bands 38,40,41) Japan model: LTE 700/800/900/1800/2100 (Bands 1,3,8,19,28) TD-LTE 2500 (Bands 41) USA model: LTE 700/800/850/1700/1800/1900/2100/2300/2600 (Bands 1,2,3,4,5,7,12,13,17,20,25,26,29,30) TD-LTE 2500 (Bands 41)	LTE Cat4 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 66, 71) TD-LTE (38, 39, 40, 41) VoLTE
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, 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
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
	ZTE Axon 7 (64GB)	Galaxy A21 (SM-A215U1)
Back camera (main camera)	20 megapixels	(quad camera) 16 megapixels 8MP ultrawide f/2.21/4.0"1.12µm 2MP macro f/2.4 2MP depth f/2.4
Main camera resolution	5952x3348 pixels	4608x3456 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	Full HD (1920x1080) 30 fps
Flash	Dual-LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/1.8 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	1/3.06" inches
Pixel size	feature not registered	1µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	OIS: 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
	ZTE Axon 7 (64GB)	Galaxy A21 (SM-A215U1)
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/2.2 (aperture)	f/2.0 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	1.12µm pixel
🔉 Sound and multimedia
	ZTE Axon 7 (64GB)	Galaxy A21 (SM-A215U1)
Loudspeaker	Supported	Supported
Active noise cancellation	2 microphones or more	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+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	ZTE Axon 7 (64GB)	Galaxy A21 (SM-A215U1)
USB	USB 3.1 Type-C reversible connector	USB 2.0 Type-C reversible connector
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	4.2 + A2DP	5.0 + A2DP/LE
WiFi	802.11 b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	ZTE Axon 7 (64GB)	Galaxy A21 (SM-A215U1)
Sensors	Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	ZTE Axon 7 (64GB)	Galaxy A21 (SM-A215U1)
Battery type	Li-Ion: lithium-ion (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3250 mAh	4000 mAh
Charger, watts	Wired charging	15W Wired fast charging
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	16 hours	feature not registered
Standby	360 hours (15 days)	feature not registered
➕ Other features
	ZTE Axon 7 (64GB)	Galaxy A21 (SM-A215U1)
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 • Aluminum body • MiFavor UI 4.0 • 2.5D glass screen • Quick Charge 3.0 • Fast battery charging: 83% in 30min • Slow motion 720p@240fps • Dolby Atmos audio • Miracast	• Colors: Black • One UI 2.0
☢️ Radiation rate
	ZTE Axon 7 (64GB)	Galaxy A21 (SM-A215U1)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	0.6W/kg (head), 1.27W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered