Samsung Galaxy S21 FE (SM-G990E/DS 128GB/8GB) vs ZTE Nubia Z7

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Side by side comparison between Samsung Galaxy S21 FE vs ZTE Nubia Z7 phones, differences, pros, cons and full specifications. What's the better?

1/19/2022 6:21 PM, updated: 5/19/2025 11:24 AM

Compare ZTE Nubia Z7 X Samsung Galaxy S21 FE (SM-G990E/DS 128GB/8GB) 26Points

Specifications Compare Models Pictures

6.4"
AMOLED

1080x2400

12.2
MP

32mp

8GB
RAM

Octa-core

4500
mAh

(Non removable)

07Points ZTE Nubia Z7 Compare Samsung Galaxy S21 FE X

Specifications Compare Models Pictures

5.5"
TFT

1440x2560

13
MP

5mp

3GB
RAM

Quad-core

3000
mAh

(Removable)

What's the better phone? Samsung Galaxy S21 FE (SM-G990E/DS 128GB/8GB)

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!

26 Advantages Samsung Galaxy S21 FE (SM-G990E/DS 128GB/8GB)	vs	7 Advantages ZTE Nubia Z7
+2.9GHz 64bit Octa-core (5nm)48% More powerful processor, you can open your applications faster	vs	2.5GHz 32bit Quad-core
+8GB LPDDR5167% More RAM memory. Typically more responsive and better for multitasking.	vs	3GB LPDDR3
+128GB (97GB available)3 times More internal storage for applications and files	vs	32GB (26GB available)
+7.9 millimeters (0.31 inches)13% Thinner	vs	8.9 millimeters (0.35 inches)
+Dynamic AMOLEDAdvantage Dynamic AMOLED display is brighter and more vivid	vs	TFT LCD
+6.4"16% Larger screen	vs	5.5"
+(triple camera) 12.2MP + 12MP + 8MP152% Higher resolution main camera	vs	(back) 13MP
+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures	vs	Only digital zoom
+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness	vs	Not supported
+HDR photo/video on both camerasAdvantage The HDR technology produced photos with more detail in dark areas	vs	HDR photo only main camera
+f/1.8 (aperture)11% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/2.0 (aperture)
+(front) 32MP5 times Higher resolution secondary camera to take pictures and selfies	vs	(front) 5MP
+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera	vs	(front) Full HD (1920x1080)
+Android 15Advantage Android 15 is newer and safer	vs	Android 4.4.2 KitKat
+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster	vs	4G LTE
+(5G SA/NSA) 2000 Mbps19 times Faster for surfing the internet and download files	vs	(4G LTE) 100 Mbps
+BarometerAdvantage Sensors help you use the device	vs	Not supported
+Face unlock 2DAdvantage Sensors help you use the device	vs	Not supported
+Fingerprint sensor (under display)Advantage Sensors help you use the device	vs	Not supported
+4500 mAh50% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	3000 mAh
+802.11 a/b/g/n/ac/ax [wifi6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster	vs	802.11 a/b/g/n/ac [wifi5]
+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster	vs	4.0 + A2DP
+USB 3.2 Type-C, USB OTG On-The-GoAdvantage Newer and faster USB version for transferring photos, mp3 or data.	vs	MicroUSB 2.0, USB OTG On-The-Go
+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.	vs	MicroUSB 2.0, USB OTG On-The-Go
+Gorilla Glass VictusAdvantage Protection against scratches on the screen lets you carry your phone with your keys	vs	Not supported
+IP68 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example	vs	Not supported
177 grams (6.2 ounces)	vs	+160 grams (5.6 ounces)11% Lighter
1080x2400 pixels	vs	+1440x2560 pixels42% Higher resolution screen
411 PPI	vs	+534 PPI30% Crisper display of text, images and videos because it has more pixels per inch (ppi)
LED flash	vs	+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light
LiPo: li-ion polymer (Non removable)	vs	+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily
Type-C reversible connector	vs	+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores
Not supported	vs	+FMAdvantage The radio lets you listen to your songs and sports in general

19 Common items in both devices

16 million

PDAF: phase detection autofocus / Autofocus

4K UHD (3840x2160)

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
	Galaxy S21 FE (SM-G990E/DS 128GB/8GB)	ZTE Nubia Z7
Change model
Model	Galaxy S21 FE (SM-G990E/DS 128GB/8GB)	Nubia Z7
Other model names	Galaxy S21 FE 5G SM-G990B/Dual-SIM (Exynos)	ZTE Nubia Z7 NX506J, ZTE Nubia Z7 Dual-sim
Country or region available	Philippines, India, Malaysia, Thailand	feature not registered
Brand	Samsung	ZTE
Release date	1/7/2022, Announced: 1/4/2022	7/1/2014
Depth	7.9 millimeters (0.31 inches)	8.9 millimeters (0.35 inches)
Size (width x height)	74.5 x 155.7 millimeters (2.93 x 6.13 in)	75.7 x 153.2 millimeters (2.98 x 6.03 in)
Weight	177 grams (6.2 ounces)	160 grams (5.6 ounces)
Build, materials	Aluminum body, glass front, plastic back	feature not registered
Protection against water and others	IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant	Not supported
📲 Display
	Galaxy S21 FE (SM-G990E/DS 128GB/8GB)	ZTE Nubia Z7
Display type	Dynamic AMOLED	TFT LCD
Screen size	6.4" inches	5.5" inches
Screen-to-body ratio	~85.3% (screen-to-body ratio)	~71.9% (screen-to-body ratio)
Display resolution	1080x2400 pixels (20:9)	1440x2560 pixels
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch
Pixel density (dot pitch)	411 PPI	534 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass Victus	Not supported
Refresh rate	120Hz	feature not registered
Display features	1300nits[peak] HDR10+ Always-On Display	feature not registered
🤖 Operating System
	Galaxy S21 FE (SM-G990E/DS 128GB/8GB)	ZTE Nubia Z7
System version	Android 12	Android 4.4.2 KitKat
Firmware update	Android 15	feature not registered
User Interface	One UI 4.1 / 5.1 / 6.0 / 7.0	feature not registered
⚙️ Processor
	Galaxy S21 FE (SM-G990E/DS 128GB/8GB)	ZTE Nubia Z7
Chipset	64bit: Samsung Exynos 2100 (5nm)	32bit: Qualcomm Snapdragon 801 MSM8974-AC (28nm)
CPU	Octa-core, 3 processors: 1x 2.9GHz ARM Cortex-X1 (Single-core) 3x 2.8GHz ARM Cortex-A78 (Triple-core) 4x 2.2GHz ARM Cortex-A55 (Quad-core)	Quad-core, 1 processor: 4x 2.5GHz Krait 400 (Quad-core)
GPU graphical controller	ARM Mali-G78 MP14 (854MHz)	Qualcomm Adreno 330 578Mhz
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Galaxy S21 FE (SM-G990E/DS 128GB/8GB)	ZTE Nubia Z7
RAM memory	8GB LPDDR5	3GB LPDDR3
Internal storage	128GB (97GB available) UFS 3.1	32GB (26GB available)
External storage	Not supported	Not supported
📶 Mobile networks
	Galaxy S21 FE (SM-G990E/DS 128GB/8GB)	ZTE Nubia Z7
Dual-SIM	Dual-SIM Standby - Call active on one sim card	Dual-SIM Standby - Call active on one sim card
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) micro-SIM (3FF)
Maximum Download / Upload	2000/1024 Mbps	100/50 Mbps
Network technology	2G, 3G, 4G, 5G	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 850/900/1700/1900/2100	UMTS 850/900/1900/2100
Primary 4G network	LTE Cat20 (1, 3, 3, 4, 5, 7, 8, 12, 20, 28) TD-LTE (34, 38, 39, 40, 41) VoLTE	LTE 1800/2100/2600
Primary 5G network	SA/NSA/Sub6 (1, 3, 5, 8, 28, 41, 78, 79)	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	UMTS 850/900/1700/1900/2100	Not supported
Secondary 4G network	LTE Cat20 (1, 3, 3, 4, 5, 7, 8, 12, 20, 28) TD-LTE (34, 38, 39, 40, 41) VoLTE	Not supported
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA	GPRS, EDGE
📷 Camera
	Galaxy S21 FE (SM-G990E/DS 128GB/8GB)	ZTE Nubia Z7
Back camera (main camera)	(triple camera) 12.2 megapixels 12MP ultrawide f/2.2123°13mm1/3"1.12µm 8MP telephoto f/2.476mm1/4.5"1.0µmPDAFOIS3x-optical-zoom	13 megapixels
Main camera resolution	4032x3024 pixels	4128x3096 pixels
Video recording (primary)	4K UHD (3840x2160) 60 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	Dual-LED flash
Focal aperture	f/1.8 (aperture)	f/2.0 (aperture)
Focal length	26mm (lens)	feature not registered
Sensor size	1/1.76" inches	feature not registered
Pixel size	1.8µm pixel	feature not registered
Autofocus	PDAF: phase detection autofocus	Autofocus
Touch focus	Supported	Supported
Image stabilization	OIS: Optical stabilization	feature not registered
Zoom	Digital and optical zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Supported	Not supported
HDR	HDR photo/video on both cameras	HDR photo only main camera
Camera extras	4K@30/60fps 1080p@30/60fps 1080p@240fps (slow motion) 720p@960fps (slow motion)	feature not registered
📸 Front camera
	Galaxy S21 FE (SM-G990E/DS 128GB/8GB)	ZTE Nubia Z7
Front camera (secondary)	32 megapixels	5 megapixels
Front camera resolution	6528x4896 pixels	2592x1944 pixels
Video recording (secondary)	4K UHD (3840x2160)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.2 (aperture)	feature not registered
Focal length	26mm (lens)	feature not registered
Sensor size	1/2.74" inches	feature not registered
Pixel size	0.8µm pixel	feature not registered
🔉 Sound and multimedia
	Galaxy S21 FE (SM-G990E/DS 128GB/8GB)	ZTE Nubia Z7
Loudspeaker	Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG	Supported
Active noise cancellation	2 microphones	2 microphones or more
Radio	Not supported	FM
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4, DivX, XviD, H.264, H.263, WMV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Galaxy S21 FE (SM-G990E/DS 128GB/8GB)	ZTE Nubia Z7
USB	USB 3.2 Type-C, USB OTG On-The-Go	MicroUSB 2.0, USB OTG On-The-Go
Audio output	Type-C reversible connector	3.5mm jack
TV output	USB Type-C SlimPort®	Micro-B USB MHL-3
Bluetooth	5.0 + A2DP/LE	4.0 + A2DP
WiFi	802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot
DLNA	Supported	Supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou	A-GPS, GeoTagging, GLONASS
NFC	Supported	Supported
Infrared port	Not supported	Supported
🧭 Sensors
	Galaxy S21 FE (SM-G990E/DS 128GB/8GB)	ZTE Nubia Z7
Sensors	Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy S21 FE (SM-G990E/DS 128GB/8GB)	ZTE Nubia Z7
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Removable)
Battery capacity	4500 mAh	3000 mAh
Charger, watts	25W Wired fast charging Reverse charging by cable USB Power Delivery 3.0	Wired charging
Inductive / wireless charging	15W Qi wireless charging 4.5W Reverse wireless charging	feature not registered
Talk time autonomy	feature not registered	20 hours
Standby	feature not registered	500 hours (20.8 days)
➕ Other features
	Galaxy S21 FE (SM-G990E/DS 128GB/8GB)	ZTE Nubia Z7
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: Graphite, White, Lavender, Olive	• Colors: Black, White • Nubia UI 2.0 • DTS sound enhancement • Dual tone flash • Java framework
☢️ Radiation rate
	Galaxy S21 FE (SM-G990E/DS 128GB/8GB)	ZTE Nubia Z7
SAR 1.6W/kg (USA, Mexico, etc.)	0.65W/kg (head), 1.19W/kg (body)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	0.93W/kg (head), 1.319W/kg (body)	feature not registered