Samsung Galaxy A15 (SM-A155M/DSN 256GB) vs ZTE Nubia Z7

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Side by side comparison between Samsung Galaxy A15 vs ZTE Nubia Z7 phones, differences, pros, cons and full specifications. What's the better?

3/18/2024 5:01 PM, updated: 3/18/2024 7:37 PM

Compare ZTE Nubia Z7 X Samsung Galaxy A15 (SM-A155M/DSN 256GB) 18Points

Specifications Compare Models Pictures

6.5"
AMOLED

1080x2340

50
MP

13mp

8GB
RAM

Octa-core

5000
mAh

(Non removable)

09Points ZTE Nubia Z7 Compare Samsung Galaxy A15 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 A15 (SM-A155M/DSN 256GB)

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!

18 Advantages Samsung Galaxy A15 (SM-A155M/DSN 256GB)	vs	9 Advantages ZTE Nubia Z7
+2.2GHz 64bit Octa-core (6nm)32% More powerful processor, you can open your applications faster	vs	2.5GHz 32bit Quad-core
+8GB LPDDR4X167% More RAM memory. Typically more responsive and better for multitasking.	vs	3GB LPDDR3
+256GB (236GB available)8 times More internal storage for applications and files	vs	32GB (26GB available)
+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards	vs	Not supported
+8.4 millimeters (0.33 inches)6% Thinner	vs	8.9 millimeters (0.35 inches)
+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid	vs	TFT LCD
+6.5"18% Larger screen	vs	5.5"
+(triple camera) 50MP + 5MP + 2MP3 times Higher resolution main camera	vs	(back) 13MP
+HDR photo 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) 13MP154% Higher resolution secondary camera to take pictures and selfies	vs	(front) 5MP
+Android 14Advantage Android 14 is newer and safer	vs	Android 4.4.2 KitKat
+(4G LTE-A) 300 Mbps2 times Faster for surfing the internet and download files	vs	(4G LTE) 100 Mbps
+Face unlockAdvantage Sensors help you use the device	vs	Not supported
+Fingerprint sensor (side-mounted)Advantage Sensors help you use the device	vs	Not supported
+5000 mAh67% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	3000 mAh
+5.3 + A2DP/LEAdvantage Bluetooth 5.3 + A2DP/LE is newer and faster	vs	4.0 + A2DP
+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
200 grams (7 ounces)	vs	+160 grams (5.6 ounces)25% Lighter
1080x2340 pixels	vs	+1440x2560 pixels46% Higher resolution screen
396 PPI	vs	+534 PPI35% 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
Full HD (1920x1080)	vs	+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera
Not supported	vs	+GyroscopeAdvantage Sensors help you use the device
Virtual proximity sensor	vs	+Proximity sensorAdvantage Sensors help you use the device
LiPo: li-ion polymer (Non removable)	vs	+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily
Not supported	vs	+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.

18 Common items in both devices

16 million

Only digital zoom

Autofocus

(front) Full HD (1920x1080)

4G LTE-A / 4G LTE

Capacitive

Multitouch

+11 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 A15 (SM-A155M/DSN 256GB)	ZTE Nubia Z7
Change model
Model	Galaxy A15 (SM-A155M/DSN 256GB)	Nubia Z7
Other model names	Galaxy A15 4G LTE SM-A155M/Dual-SIM NFC	ZTE Nubia Z7 NX506J, ZTE Nubia Z7 Dual-sim
Country or region available	(Latin America), Bolivia, Brazil, Colombia	feature not registered
Brand	Samsung	ZTE
Release date	12/16/2023, Announced: 12/11/2023	7/1/2014
Depth	8.4 millimeters (0.33 inches)	8.9 millimeters (0.35 inches)
Size (width x height)	76.8 x 160.1 millimeters (3.02 x 6.3 in)	75.7 x 153.2 millimeters (2.98 x 6.03 in)
Weight	200 grams (7 ounces)	160 grams (5.6 ounces)
Build, materials	Plastic body, glass front	feature not registered
Protection against water and others	Not supported	Not supported
📲 Display
	Galaxy A15 (SM-A155M/DSN 256GB)	ZTE Nubia Z7
Display type	Super AMOLED	TFT LCD
Screen size	6.5" inches	5.5" inches
Screen-to-body ratio	~84.3% (screen-to-body ratio)	~71.9% (screen-to-body ratio)
Display resolution	1080x2340 pixels (19.5:9)	1440x2560 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	396 PPI	534 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Not supported
Refresh rate	90Hz	feature not registered
Display features	800nits[peak]	feature not registered
🤖 Operating System
	Galaxy A15 (SM-A155M/DSN 256GB)	ZTE Nubia Z7
System version	Android 14	Android 4.4.2 KitKat
Firmware update	feature not registered	feature not registered
User Interface	One UI 6.1	feature not registered
⚙️ Processor
	Galaxy A15 (SM-A155M/DSN 256GB)	ZTE Nubia Z7
Chipset	64bit: MediaTek Helio G99 (6nm)	32bit: Qualcomm Snapdragon 801 MSM8974-AC (28nm)
CPU	Octa-core, 2 processors: 2x 2.2GHz ARM Cortex-A76 (Dual-core) 6x 2GHz ARM Cortex-A55 (Hexa-core)	Quad-core, 1 processor: 4x 2.5GHz Krait 400 (Quad-core)
GPU graphical controller	ARM Mali-G57 MC2	Qualcomm Adreno 330 578Mhz
Performance (benchmark)	AnTuTu: 317085 (v9), 375321 (v10) Geekbench: 1928 (v5), 1936 (v6)	feature not registered
💽 Memory and storage
	Galaxy A15 (SM-A155M/DSN 256GB)	ZTE Nubia Z7
RAM memory	8GB LPDDR4X	3GB LPDDR3
Internal storage	256GB (236GB available) eMMC 5.1	32GB (26GB available)
External storage	Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Not supported
📶 Mobile networks
	Galaxy A15 (SM-A155M/DSN 256GB)	ZTE Nubia Z7
Dual-SIM	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot)	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	300/150 Mbps	100/50 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	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 Cat7 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE	LTE 1800/2100/2600
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	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 Cat7 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE	Not supported
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	GPRS, EDGE
📷 Camera
	Galaxy A15 (SM-A155M/DSN 256GB)	ZTE Nubia Z7
Back camera (main camera)	(triple camera) 50 megapixels 5MP ultrawide f/2.2 2MP macro f/2.4	13 megapixels
Main camera resolution	8160x6120 pixels	4128x3096 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	Dual-LED flash
Focal aperture	f/1.8 (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	feature not registered
Autofocus	Autofocus	Autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	feature not registered
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Supported	Not supported
HDR	HDR photo on both cameras	HDR photo only main camera
Camera extras	1080p@30fps 720p@120fps (slow motion)	feature not registered
📸 Front camera
	Galaxy A15 (SM-A155M/DSN 256GB)	ZTE Nubia Z7
Front camera (secondary)	13 megapixels	5 megapixels
Front camera resolution	4128x3096 pixels	2592x1944 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	feature not registered
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	feature not registered
🔉 Sound and multimedia
	Galaxy A15 (SM-A155M/DSN 256GB)	ZTE Nubia Z7
Loudspeaker	Mono sound (not stereo)	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM (RDS)	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 A15 (SM-A155M/DSN 256GB)	ZTE Nubia Z7
USB	USB 2.0 Type-C, USB OTG On-The-Go	MicroUSB 2.0, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	USB Type-C (reversible)	Micro-B USB MHL-3
Bluetooth	5.3 + A2DP/LE	4.0 + A2DP
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot
DLNA	Not supported	Supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS	A-GPS, GeoTagging, GLONASS
NFC	Supported	Supported
Infrared port	Not supported	Supported
🧭 Sensors
	Galaxy A15 (SM-A155M/DSN 256GB)	ZTE Nubia Z7
Sensors	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Virtual proximity sensor	Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy A15 (SM-A155M/DSN 256GB)	ZTE Nubia Z7
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Removable)
Battery capacity	5000 mAh	3000 mAh
Charger, watts	25W Wired fast charging	Wired charging
Inductive / wireless charging	Not supported	feature not registered
Talk time autonomy	51 hours (2.1 days)	20 hours
Standby	feature not registered	500 hours (20.8 days)
➕ Other features
	Galaxy A15 (SM-A155M/DSN 256GB)	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: Brave Black, Optimistic Blue, Magical Blue, Personality Yellow	• Colors: Black, White • Nubia UI 2.0 • DTS sound enhancement • Dual tone flash • Java framework
☢️ Radiation rate
	Galaxy A15 (SM-A155M/DSN 256GB)	ZTE Nubia Z7
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered