Skip to content

ZTE Grand X Max (Z787) vs Xiaomi Redmi K30S (256GB)

Side by side comparison between ZTE Grand X Max vs Xiaomi Redmi K30S phones, differences, pros, cons with full specifications. What's the better?

,
ZTE Grand X Max (Z787)
6"
TFT

720x1280

8
MP

1mp

1GB
RAM

32bit Quad

3200
mAh

(Removable)

vs
25PointsXiaomi Redmi K30S (256GB)Compare ZTE Grand X Max X
Xiaomi Redmi K30S (256GB)
6.67"
IPS

1080x2400

64
MP

20mp

8GB
RAM

64bit Octa

5000
mAh

(Non removable)

What's the better phone? Xiaomi Redmi K30S (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!

Grand X Max (Z787)5 Advantages ZTE Grand X Max (Z787)vsRedmi K30S (256GB)25 Advantages Xiaomi Redmi K30S (256GB)
+Until 32GB microSD, microSDHCAdvantage
More external storage for files using memory cards
vsNot supported
+172 grams (6.02 ounces)26%
Lighter
vs216 grams (7.56 ounces)
+7.9 millimeters (0.31 inches)18%
Thinner
vs9.33 millimeters (0.37 inches)
+3.5mm jackAdvantage
Headsets with 3.5mm Jack size are more common and easy to find in stores
vsType-C jack with 3.5mm jack adapter
+Li-Ion: Lithium-Ion (Removable)Advantage
Removable battery can be replaced easily
vsLiPo: Li-Ion polymer (Non removable)
1.2Ghz 32bit Quad-Corevs+2.84Ghz 64bit Octa-Core194%
More powerful processor, you can open your applications faster
1GB LPDDR2vs+8GB LPDDR57 times
More RAM memory. Typically more responsive and better for multitasking.
8GB (4GB available)vs+256GB (230GB available)57 times
More internal storage for applications and files
TFT LCDvs+TFT IPS LCDAdvantage
TFT IPS LCD display is brighter and more vivid
720x1280 pixelsvs+1080x2400 pixels181%
Higher resolution screen
245 PPIvs+395 PPI61%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
6"vs+6.67"11%
Larger screen
(back) 8MPvs+(triple camera) 64MP + 13MP + 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) 20MP21 times
Higher resolution secondary camera to take pictures and selfies
HD (1280x720)vs+8K UHD (7680x4320)35 times
More image quality for recording videos with the primary camera
(front) HD (1280x720)vs+(front) Full HD (1920x1080)125%
More image quality for recording videos with the secondary camera
Android 4.4.2 KitKatvs+Android 10Advantage
Android 10 is newer and safer
3G+ HSPA+vs+5G SA/NSAAdvantage
The 5G SA/NSA network is newer and faster
(3G+ HSPA+) 21 Mbpsvs+(5G SA/NSA) 2000 Mbps94 times
Faster for surfing the internet and download files
Not supportedvs+CompassAdvantage
Sensors help you use the device
Not supportedvs+GyroscopeAdvantage
Sensors help you use the device
Not supportedvs+Fingerprint sensor (side-mounted)Advantage
Sensors help you use the device
Not supportedvs+Face unlockAdvantage
Sensors help you use the device
3200 mAhvs+5000 mAh56%
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)Advantage
It's more advantageous to have more than one phone operator in the same device
802.11 b/g/n (2.4Ghz)vs+802.11 a/b/g/n/ac/ax wifi6 (2.4Ghz, 5Ghz) + MIMOAdvantage
WiFi 802.11 a/b/g/n/ac/ax wifi6 (2.4Ghz, 5Ghz) + MIMO is newer and faster
4.0 + A2DPvs+5.1 + A2DP/LEAdvantage
Bluetooth 5.1 + A2DP/LE is newer and faster
Not supportedvs+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
MicroUSB 2.0vs+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.

17 Common items in both devices
16 million
LED flash
Only digital zoom
Autofocus / PDAF: phase detection autofocus
Capacitive
Multitouch
Accelerometer
+10 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differencesClear highlight
Physical featuresZTE Grand X Max (Z787)Xiaomi Redmi K30S (256GB)
ModelGrand X Max (Z787)Redmi K30S (256GB)
Other model namesCricket ZTE Grand Xmax Z787, ZTE Z787Xiaomi Redmi K30S 5G M2007J3SC
Country or region availablefeature not registeredChina
China
BrandZTEXiaomi
Release dateOctober, 2014October, 2020
Depth7.9 millimeters (0.31 inches)9.33 millimeters (0.37 inches)
Size (width x height)83.1 x 162.1 millimeters (3.27 x 6.38 in)76.4 x 165.1 millimeters (3.01 x 6.5 in)
Weight172 grams (6.02 ounces)216 grams (7.56 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsfeature not registeredAluminum frame, glass front/back
Protection against water and othersNot supportedNot supported
System (OS)ZTE Grand X Max (Z787)Xiaomi Redmi K30S (256GB)
Operating systemAndroid 4.4.2 KitKatAndroid 10
Firmware updatefeature not registeredfeature not registered
HardwareZTE Grand X Max (Z787)Xiaomi Redmi K30S (256GB)
Chipset32bit - Qualcomm Snapdragon 200 MSM821264bit - Qualcomm Snapdragon 865 SM8250 (7nm)
CPU processor1.2Ghz Quad-Core ARM Cortex-A7Octa-Core, 3 processors:
2.84Ghz Single-Core Kryo 585
2.42Ghz 3-Cores Kryo 585
1.8Ghz Quad-Core Kryo 585
GPU graphical controllerQualcomm Adreno 302Qualcomm Adreno 650 587Mhz
RAM memory1GB LPDDR28GB LPDDR5
Internal storage8GB (4GB available)256GB (230GB available)
UFS 3.1
External storageUntil 32GB microSD, microSDHC
(dedicated slot)
Not supported
DisplayZTE Grand X Max (Z787)Xiaomi Redmi K30S (256GB)
Display typeTFT LCDTFT IPS LCD
Screen size6" inches6.67" inches
Screen-to-body ratio~73.7% (screen-to-body ratio)~85.2% (screen-to-body ratio)
Display resolution720x1280 pixels1080x2400 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)245 PPI395 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 3Gorilla Glass 5
Display featuresfeature not registered144Hz, 500 nits, HDR10
Mobile networksZTE Grand X Max (Z787)Xiaomi Redmi K30S (256GB)
Dual-SIMNot supportedDual-SIM Standby - Call active on one sim card
SIM card1 slot (Single-SIM)
micro-SIM (3FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum download/upload21/5.76 Mbps2000/150 Mbps
Network technology2G, 3G2G, 3G, 4G, 5G
Frequency, bandsExpand band detailsCollapse details
GSM Mhz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900CDMA 800, GSM 850/900/1800/1900
Primary 3G networkUMTS 850/1900/2100CDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 850/900/1700/1900/2100
Primary 4G networkNot supportedLTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17)
TD-LTE (34, 38, 39, 40, 41)
VoLTE
Primary 5G networkNot supportedSA/NSA (1, 3, 41, 78, 79)
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+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, 5G SA/NSA
Secondary 2G networkNot supportedGSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedGPRS, EDGE
CallingZTE Grand X Max (Z787)Xiaomi Redmi K30S (256GB)
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
SpeakerphoneSupportedSupported
Video callingSupportedSupported
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder, Voice commands
CameraZTE Grand X Max (Z787)Xiaomi Redmi K30S (256GB)
Back camera (main camera)8 megapixels(triple camera)
64 megapixels
13MP ultrawidef/2.4123º1.12µm
5MP macrof/2.4AF
Main camera resolution3264x2448 pixels10120x6328 pixels
Video recording (primary)HD (1280x720) 30 fps8K UHD (7680x4320) 30 fps
FlashLED flashLED flash
Focal aperturefeature not registeredf/1.9 (aperture)
Focal lengthfeature not registered26mm lens
Sensor sizefeature not registered1/1.73" inches
Pixel sizefeature not registered0.8µm pixel
AutofocusAutofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationfeature not registeredEIS: 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
2ª cameraZTE Grand X Max (Z787)Xiaomi Redmi K30S (256GB)
Front camera (secondary)1 megapixels20 megapixels
Front camera resolution1280x720 pixels5184x3840 pixels
Video recording (secondary)HD (1280x720)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturefeature not registeredf/2.2 (aperture)
Focal lengthfeature not registered27mm lens
Sensor sizefeature not registered1/3.4" inches
Pixel sizefeature not registered0.8µm pixel
MultimediaZTE Grand X Max (Z787)Xiaomi Redmi K30S (256GB)
RadioNot supportedNot supported
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
ConnectivityZTE Grand X Max (Z787)Xiaomi Redmi K30S (256GB)
USBMicroUSB 2.0USB 2.0 Type-C, USB OTG On-The-Go
TV outputNot supportedUSB Type-C (reversible)
Audio output3.5mm jackType-C jack with 3.5mm jack adapter
Bluetooth4.0 + A2DP5.1 + A2DP/LE
WiFi802.11 b/g/n (2.4Ghz)802.11 a/b/g/n/ac/ax wifi6 (2.4Ghz, 5Ghz) + MIMO
DLNANot supportedNot supported
NFCNot supportedSupported
GPSA-GPS, GeoTaggingA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC
Infrared portNot supportedSupported
Other functionsZTE Grand X Max (Z787)Xiaomi Redmi K30S (256GB)
Active noise cancellationSupportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
SensorsAccelerometer
Proximity sensor
Ambient Light sensor
Accelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Face unlock
Fingerprint sensor (side-mounted)
Other features- Colors: Black
- Quick Charge 1.0
- WiFi hotspot
- Java framework
- Colors: Cosmic Black, Lunar Silver
- MIUI 12
- Silicone Case included
- Screen protector included
- Dual stereo speakers
- 24-bit/192kHz audio
- Mi Pay
- Wi-Fi Direct, hotspot
Power supplyZTE Grand X Max (Z787)Xiaomi Redmi K30S (256GB)
BatteryLi-Ion: Lithium-Ion (Removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity3200 mAh5000 mAh
Charger, watts Standard charging33W Fast battery charging
Quick Charge 4+
USB Power Delivery 3.0
Talk time autonomy420 minutes | 7 hours | 0.3 dayfeature not registered
Standby51600 minutes | 860 hours | 35.8 daysfeature not registered
Radiation rateZTE Grand X Max (Z787)Xiaomi Redmi K30S (256GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
X

We use cookies to provide and improve our services. By using our site, you consent to cookies. See more details: Privacy policy.