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ZTE Grand X Max (Z787) vs Samsung Galaxy M31 (SM-M315F/DS 64GB)

Side by side comparison between ZTE Grand X Max vs Samsung Galaxy M31 phones, differences, pros, cons and full specifications. What's the better?

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Compare Samsung Galaxy M31 X ZTE Grand X Max (Z787) 04Points
6"
TFT

720x1280

8
MP

1mp

1GB
RAM

Quad-core

3200
mAh

(Removable)

vs
27Points Samsung Galaxy M31 (SM-M315F/DS 64GB) Compare ZTE Grand X Max X
6.4"
AMOLED

1080x2340

64
MP

32mp

6GB
RAM

Octa-core

6000
mAh

(Non removable)

What's the better phone? Samsung Galaxy M31 (SM-M315F/DS 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!

Grand X Max (Z787)} 4 Advantages ZTE Grand X Max (Z787) vs Galaxy M31 (SM-M315F/DS 64GB)} 27 Advantages Samsung Galaxy M31 (SM-M315F/DS 64GB)
+172 grams (6.02 ounces)11%
Lighter
vs191 grams (6.69 ounces)
+7.9 millimeters (0.31 inches)13%
Thinner
vs8.9 millimeters (0.35 inches)
+Proximity sensorAdvantage
Sensors help you use the device
vsNot supported
+Li-Ion: lithium-ion (Removable)Advantage
Removable battery can be replaced easily
vsLiPo: li-ion polymer (Non removable)
1.2GHz 32bit Quad-core (28nm)vs+2.3GHz 64bit Octa-core (10nm)146%
More powerful processor, you can open your applications faster
1GB LPDDR2vs+6GB LPDDR4X5 times
More RAM memory. Typically more responsive and better for multitasking.
8GB (4GB available)vs+64GB (49GB available)11 times
More internal storage for applications and files
eMMC 4.5vs+UFS 2.1Advantage
Fastest write and read storage.
Until 32GB microSD, microSDHCvs+Until 1TB microSD, microSDXC31 times
More external storage for files using memory cards
TFT LCDvs+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
720x1280 pixelsvs+1080x2340 pixels174%
Higher resolution screen
245 PPIvs+403 PPI64%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
6"vs+6.4"7%
Larger screen
(back) 8MPvs+(quad camera) 64MP + 8MP + 5MP + 5MP9 times
Higher resolution main camera
HDR photo only main cameravs+HDR photo on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
(front) 1MPvs+(front) 32MP34 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) HD (1280x720)vs+(front) 4K UHD (3840x2160)8 times
More image quality for recording videos with the secondary camera
Android 4.4.2 KitKatvs+Android 11Advantage
Android 11 is newer and safer
3G+ HSPA+vs+4G LTE-AAdvantage
The 4G LTE-A network is newer and faster
(3G+ HSPA+) 21 Mbpsvs+(4G LTE-A) 600 Mbps28 times
Faster for surfing the internet and download files
Not supportedvs+CompassAdvantage
Sensors help you use the device
Not supportedvs+Face unlock 2DAdvantage
Sensors help you use the device
Not supportedvs+Fingerprint sensor (rear-mounted)Advantage
Sensors help you use the device
Not supportedvs+GyroscopeAdvantage
Sensors help you use the device
3200 mAhvs+6000 mAh88%
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)
(dedicated slot)Advantage
You can have more mobile carriers/operators on the same device.
Not supportedvs+FM (RDS)Advantage
The radio lets you listen to your songs and sports in general
802.11 b/g/n [wifi4]vs+802.11 a/b/g/n/ac [wifi5]Advantage
WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
4.0 + A2DPvs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
MicroUSB 2.0vs+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.

20 Common items in both devices
Plastic body, glass front
60Hz
16 million
LED flash
Only digital zoom
Autofocus / PDAF: phase detection autofocus
EIS: Digital stabilization
+13 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

ZTE Grand X Max (Z787)Galaxy M31 (SM-M315F/DS 64GB)
Change model 
ModelGrand X Max (Z787)Galaxy M31 (SM-M315F/DS 64GB)
Other model namesCricket ZTE Grand Xmax Z787, ZTE Z787Galaxy M315F/Dual-Sim (64GB + 6GB RAM)
Country or region available(Global, International)
(Global, International)
India
India
BrandZTESamsung
Release date10/1/20143/5/2020, Announced: 2/25/2020
Depth7.9 millimeters (0.31 inches)8.9 millimeters (0.35 inches)
Size (width x height)83.1 x 162.1 millimeters (3.27 x 6.38 in)75.1 x 159.2 millimeters (2.96 x 6.27 in)
Weight172 grams (6.02 ounces)191 grams (6.69 ounces)
Build, materialsPlastic body, glass frontPlastic body, glass front
Protection against water and othersNot supportedNot supported

📲 Display

ZTE Grand X Max (Z787)Galaxy M31 (SM-M315F/DS 64GB)
Display typeTFT LCDSuper AMOLED
Screen size6" inches6.4" inches
Screen-to-body ratio~73.7% (screen-to-body ratio)~84.1% (screen-to-body ratio)
Display resolution720x1280 pixels1080x2340 pixels (19.5:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)245 PPI403 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 3Gorilla Glass 3
Refresh rate60Hz60Hz
Display featuresNot supported420nits[peak]

🤖 Operating System

ZTE Grand X Max (Z787)Galaxy M31 (SM-M315F/DS 64GB)
System versionAndroid 4.4.2 KitKatAndroid 10
Firmware updatefeature not registeredAndroid 11
User Interfacefeature not registeredfeature not registered

⚙️ Processor

ZTE Grand X Max (Z787)Galaxy M31 (SM-M315F/DS 64GB)
Chipset32bit: Qualcomm Snapdragon 200 (MSM8212) (28nm)64bit: Samsung Exynos 9611 (10nm)
CPUQuad-core, 1 processor:
4x 1.2GHz ARM Cortex-A7 (Quad-core)
Octa-core, 2 processors:
4x 2.3GHz ARM Cortex-A73 (Quad-core)
4x 1.7GHz ARM Cortex-A53 (Quad-core)
GPU graphical controllerQualcomm Adreno 302 (400MHz)ARM Mali-G72 MP3 (850MHz)
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

ZTE Grand X Max (Z787)Galaxy M31 (SM-M315F/DS 64GB)
RAM memory1GB LPDDR26GB LPDDR4X
Internal storage8GB (4GB available)
eMMC 4.5
64GB (49GB available)
UFS 2.1
External storageUntil 32GB microSD, microSDHC
(dedicated slot)
Until 1TB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

ZTE Grand X Max (Z787)Galaxy M31 (SM-M315F/DS 64GB)
Dual-SIMNot supportedDual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card1 slot (Single-SIM)
micro-SIM (3FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload21/5.76 Mbps600/150 Mbps
Network technology2G, 3G2G, 3G, 4G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkUMTS 850/1900/2100UMTS 850/900/1700/1900/2100
Primary 4G networkNot supportedLTE Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66)
TD-LTE (38, 40, 41)
VoLTE
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkNot supportedGSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedGPRS, EDGE

📷 Camera

ZTE Grand X Max (Z787)Galaxy M31 (SM-M315F/DS 64GB)
Back camera (main camera)8 megapixels(quad camera)
64 megapixels
8MP ultrawide f/2.212mm1/4.0"1.12µm
5MP macro f/2.425mm1/5.0"1.12µm
5MP depth f/2.2
Main camera resolution3264x2448 pixels10120x6328 pixels
Video recording (primary)HD (1280x720) 30 fps4K UHD (3840x2160) 30 fps
FlashLED flashLED flash
Focal aperturefeature not registeredf/1.8 (aperture)
Focal lengthfeature not registered26mm (lens)
Sensor sizefeature not registered1/1.72" inches
Pixel sizefeature not registered0.8µm pixel
AutofocusAutofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedNot supported
HDRHDR photo only main cameraHDR photo on both cameras
Camera extrasfeature not registeredfeature not registered

📸 Front camera

ZTE Grand X Max (Z787)Galaxy M31 (SM-M315F/DS 64GB)
Front camera (secondary)1 megapixels32 megapixels
Front camera resolution1280x720 pixels6528x4896 pixels
Video recording (secondary)HD (1280x720)4K UHD (3840x2160)
Front flashNot supportedNot supported
Focal aperturefeature not registeredf/2.0 (aperture)
Focal lengthfeature not registered26mm (lens)
Sensor sizefeature not registered1/2.8" inches
Pixel sizefeature not registered0.8µm pixel

🔉 Sound and multimedia

ZTE Grand X Max (Z787)Galaxy M31 (SM-M315F/DS 64GB)
LoudspeakerSupportedSupported
Active noise cancellation2 microphones2 microphones or more
RadioNot supportedFM (RDS)
TVNot supportedNot supported
Video formatsMP4, H.264, H.263MP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, eAAC+MP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

ZTE Grand X Max (Z787)Galaxy M31 (SM-M315F/DS 64GB)
USBMicroUSB 2.0USB 2.0 Type-C, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth4.0 + A2DP5.0 + A2DP/LE
WiFi802.11 b/g/n [wifi4] (2.4GHz)
WiFi hotspot
802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNANot supportedNot supported
GPSA-GPS, GeoTaggingA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFCNot supportedNot supported
Infrared portNot supportedNot supported

🧭 Sensors

ZTE Grand X Max (Z787)Galaxy M31 (SM-M315F/DS 64GB)
SensorsAccelerometer
Ambient light sensor
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Face unlock 2D
Fingerprint sensor (rear-mounted)
Gyroscope
Vibrating alertSupportedSupported

🔋 Battery

ZTE Grand X Max (Z787)Galaxy M31 (SM-M315F/DS 64GB)
Battery typeLi-Ion: lithium-ion (Removable)LiPo: li-ion polymer (Non removable)
Battery capacity3200 mAh6000 mAh
Charger, wattsWired charging
Quick Charge
15W Wired fast charging
Inductive / wireless chargingNot supportedNot supported
Talk time autonomy7 hoursfeature not registered
Standby860 hours (35.8 days)feature not registered

➕ Other features

ZTE Grand X Max (Z787)Galaxy M31 (SM-M315F/DS 64GB)
Call controlVoice dialing, Voice recorderVoice 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: Black
• Java framework
• Colors: Ocean Blue, Space Black, Red
• One UI 2.0, 3.1

☢️ Radiation rate

ZTE Grand X Max (Z787)Galaxy M31 (SM-M315F/DS 64GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered0.52W/kg (head), 0.69W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registered0.482W/kg (head), 1.127W/kg (body)
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