Samsung Galaxy Express 2 (SM-G3815) vs ZTE Nubia M2 (128GB)

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Side by side comparison between Samsung Galaxy Express 2 vs ZTE Nubia M2 phones, differences, pros, cons and full specifications. What's the better?

3/9/2018 9:18 AM, updated: 5/10/2020 6:07 PM

Compare ZTE Nubia M2 X Samsung Galaxy Express 2 (SM-G3815) 05Points

Specifications Compare Models Pictures

4.5"
TFT

540x960

5
MP

0.3mp

1.5GB
RAM

Dual-core

2100
mAh

(Removable)

26Points ZTE Nubia M2 (128GB) Compare Samsung Galaxy Express 2 X

Specifications Compare Models Pictures

5.5"
AMOLED

1080x1920

13
MP

16mp

4GB
RAM

Octa-core

3630
mAh

(Non removable)

What's the better phone? ZTE Nubia M2 (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!

5 Advantages Samsung Galaxy Express 2 (SM-G3815)	vs	26 Advantages ZTE Nubia M2 (128GB)
+134 grams (4.69 ounces)25% Lighter	vs	168 grams (5.88 ounces)
+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily	vs	LiPo: li-ion polymer (Non removable)
+FM (RDS)Advantage The radio lets you listen to your songs and sports in general	vs	Not supported
+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.	vs	Not supported
+NFCAdvantage NFC allows you to make payments by approach quickly and securely	vs	Not supported
1.7GHz 32bit Dual-core	vs	+2GHz 64bit Octa-core106% More powerful processor, you can open your applications faster
1.5GB LPDDR2	vs	+4GB LPDDR3167% More RAM memory. Typically more responsive and better for multitasking.
8GB	vs	+128GB (115GB available)13 times More internal storage for applications and files
Until 64GB microSD, microSDXC	vs	+Until 256GB microSD, microSDXC3 times More external storage for files using memory cards
9.8 millimeters (0.39 inches)	vs	+7 millimeters (0.28 inches)40% Thinner
TFT LCD	vs	+AMOLEDAdvantage AMOLED display is brighter and more vivid
540x960 pixels	vs	+1080x1920 pixels3 times Higher resolution screen
245 PPI	vs	+401 PPI64% Crisper display of text, images and videos because it has more pixels per inch (ppi)
4.5"	vs	+5.5"22% Larger screen
(back) 5MP	vs	+(dual camera) 13MP + 13MP4 times Higher resolution main camera
LED flash	vs	+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light
Not supported	vs	+HDR photo only main cameraAdvantage The HDR technology produced photos with more detail in dark areas
f/2.6 (aperture)	vs	+f/2.2 (aperture)18% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 0.3MP	vs	+(front) 16MP51 times Higher resolution secondary camera to take pictures and selfies
HD (1280x720)	vs	+4K UHD (3840x2160)8 times More image quality for recording videos with the primary camera
(front) VGA (640x480)	vs	+(front) Full HD (1920x1080)6 times More image quality for recording videos with the secondary camera
Android 4.2.2 Jelly Bean	vs	+Android 6.0.1 MarshmallowAdvantage Android 6.0.1 Marshmallow is newer and safer
(4G LTE) 100 Mbps	vs	+(4G LTE) 150 Mbps50% Faster for surfing the internet and download files
Not supported	vs	+Fingerprint sensorAdvantage Sensors help you use the device
2100 mAh	vs	+3630 mAh73% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
1 slot (Single-SIM) (dedicated slot)	vs	+2 slots (Dual-SIM) (hybrid slot/shares the same microSD slot)Advantage You can have more mobile carriers/operators on the same device.
Not supported	vs	+Active noise cancellationAdvantage More noise-canceling microphones allow for better quality in calls and audio for recorded videos
802.11 b/g/n [wifi4]	vs	+802.11 b/g/n/ac [wifi5]Advantage WiFi 802.11 b/g/n/ac [wifi5] is newer and faster
4.0 + A2DP	vs	+4.1 + A2DPAdvantage Bluetooth 4.1 + A2DP is newer and faster
MicroUSB 2.0, USB OTG On-The-Go	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.
Not supported	vs	+Gorilla GlassAdvantage Protection against scratches on the screen lets you carry your phone with your keys

18 Common items in both devices

16 million

Only digital zoom

Autofocus / PDAF: phase detection autofocus

4G LTE

Capacitive

Multitouch

Accelerometer

+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 Express 2 (SM-G3815)	ZTE Nubia M2 (128GB)
Change model		Choose the model
Model	Galaxy Express 2 (SM-G3815)	Nubia M2 (128GB)
Other model names	Samsung Galaxy Express II G3815	ZTE nubia M2 NX551J, ZTE NX551J
Country or region available	(Global, International)	China, Hong Kong
Brand	Samsung	ZTE
Release date	10/1/2013	5/1/2017
Depth	9.8 millimeters (0.39 inches)	7 millimeters (0.28 inches)
Size (width x height)	65.7 x 132.4 millimeters (2.59 x 5.21 in)	75.9 x 154.5 millimeters (2.99 x 6.08 in)
Weight	134 grams (4.69 ounces)	168 grams (5.88 ounces)
Build, materials	feature not registered	feature not registered
Protection against water and others	Not supported	Not supported
📲 Display
	Galaxy Express 2 (SM-G3815)	ZTE Nubia M2 (128GB)
Display type	TFT LCD	AMOLED
Screen size	4.5" inches	5.5" inches
Screen-to-body ratio	~64.2% (screen-to-body ratio)	~71.1% (screen-to-body ratio)
Display resolution	540x960 pixels	1080x1920 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	245 PPI	401 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Gorilla Glass
Refresh rate	feature not registered	feature not registered
Display features	feature not registered	feature not registered
🤖 Operating System
	Galaxy Express 2 (SM-G3815)	ZTE Nubia M2 (128GB)
System version	Android 4.2.2 Jelly Bean	Android 6.0.1 Marshmallow
Firmware update	feature not registered	feature not registered
User Interface	feature not registered	feature not registered
⚙️ Processor
	Galaxy Express 2 (SM-G3815)	ZTE Nubia M2 (128GB)
Chipset	32bit: Qualcomm Snapdragon 400 MSM8930AB	64bit: Qualcomm Snapdragon 625 MSM8953 (14nm)
CPU	Dual-core, 1 processor: 2x 1.7GHz Krait 300 (Dual-core)	Octa-core, 1 processor: 8x 2GHz ARM Cortex-A53 (Octa-core)
GPU graphical controller	Qualcomm Adreno 305	Qualcomm Adreno 506 650Mhz
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Galaxy Express 2 (SM-G3815)	ZTE Nubia M2 (128GB)
RAM memory	1.5GB LPDDR2	4GB LPDDR3
Internal storage	8GB	128GB (115GB available)
External storage	Until 64GB microSD, microSDXC (dedicated slot)	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)
📶 Mobile networks
	Galaxy Express 2 (SM-G3815)	ZTE Nubia M2 (128GB)
Dual-SIM	Not supported	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot)
SIM card	1 slot (Single-SIM) micro-SIM (3FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	100/50 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	GSM 850/900/1800/1900	CDMA 800, GSM 850/900/1800/1900
Primary 3G network	UMTS 850/900/2100	TD-SCDMA 1900/2000 UMTS 850/900/1900/2100
Primary 4G network	LTE 800/900/1800/2600	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)
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
Secondary 2G network	Not supported	GSM 850/900/1800/1900
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	Not supported	GPRS, EDGE
📷 Camera
	Galaxy Express 2 (SM-G3815)	ZTE Nubia M2 (128GB)
Back camera (main camera)	5 megapixels	(dual camera) 13 megapixels 13MP monochrome
Main camera resolution	2592x1944 pixels	4128x3096 pixels
Video recording (primary)	HD (1280x720) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	Dual-LED flash
Focal aperture	f/2.6 (aperture)	f/2.2 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	1/2.9" inches
Pixel size	feature not registered	1.25µm pixel
Autofocus	Autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	feature not registered	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	Not supported	HDR photo only main camera
Camera extras	feature not registered	feature not registered
📸 Front camera
	Galaxy Express 2 (SM-G3815)	ZTE Nubia M2 (128GB)
Front camera (secondary)	0.3 megapixels	16 megapixels
Front camera resolution	640x480 pixels	4608x3456 pixels
Video recording (secondary)	VGA (640x480)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	feature not registered	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
🔉 Sound and multimedia
	Galaxy Express 2 (SM-G3815)	ZTE Nubia M2 (128GB)
Loudspeaker	Supported	Supported
Active noise cancellation	Not supported	2 microphones or more
Radio	FM (RDS)	Not supported
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263, WMV	MP4, H.264, H.263
Audio formats	MP3, WAV, eAAC+, FLAC	MP3, WAV, eAAC+, FLAC
🔌 Connectivity
	Galaxy Express 2 (SM-G3815)	ZTE Nubia M2 (128GB)
USB	MicroUSB 2.0, USB OTG On-The-Go	USB 2.0 Type-C reversible connector
Audio output	3.5mm jack	3.5mm jack
TV output	Micro-B USB MHL	Not supported
Bluetooth	4.0 + A2DP	4.1 + A2DP
WiFi	802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot	802.11 b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Supported	Not supported
Infrared port	feature not registered	Not supported
🧭 Sensors
	Galaxy Express 2 (SM-G3815)	ZTE Nubia M2 (128GB)
Sensors	Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor	Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy Express 2 (SM-G3815)	ZTE Nubia M2 (128GB)
Battery type	Li-Ion: lithium-ion (Removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	2100 mAh	3630 mAh
Charger, watts	Wired charging	Wired charging
Inductive / wireless charging	feature not registered	feature not registered
Talk time autonomy	11 hours	feature not registered
Standby	480 hours (20 days)	feature not registered
➕ Other features
	Galaxy Express 2 (SM-G3815)	ZTE Nubia M2 (128GB)
Call control	Voice dialing, Voice recorder, Voice commands	Voice recorder
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: Blue, White • Samsung TouchWiz UI Java framework	• Colors: Black/gold, White/champagne gold • USB OTG On-The-Go • Aluminum body • nubia UI 4.0 • Fast battery charging
☢️ Radiation rate
	Galaxy Express 2 (SM-G3815)	ZTE Nubia M2 (128GB)
SAR 1.6W/kg (USA, Mexico, etc.)	0.38W/kg (head), 0.7W/kg (body)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	0.38W/kg (head), 0.36W/kg (body)	feature not registered