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Asus Zenfone 6 (ZS630KL 128GB) vs Xiaomi Redmi Note 9 (64GB/4GB)

Side by side comparison between Asus Zenfone 6 vs Xiaomi Redmi Note 9 phones, differences, pros, cons with full specifications. What's the better?

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Compare Xiaomi Redmi Note 9 XAsus Zenfone 6 (ZS630KL 128GB)13Points
Asus Zenfone 6 (ZS630KL 128GB)
6.4"
IPS

1080x2340

48
MP

6GB
RAM

64bit Octa

5000
mAh

(Non removable)

vs
05PointsXiaomi Redmi Note 9 (64GB/4GB)Compare Asus Zenfone 6 X
Xiaomi Redmi Note 9 (64GB/4GB)
6.53"
IPS

1080x2340

48
MP

13mp

4GB
RAM

64bit Octa

5020
mAh

(Non removable)

What's the better phone? Asus Zenfone 6 (ZS630KL 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!

Zenfone 6 (ZS630KL 128GB)13 Advantages Asus Zenfone 6 (ZS630KL 128GB)vsRedmi Note 9 (64GB/4GB)5 Advantages Xiaomi Redmi Note 9 (64GB/4GB)
+2.84Ghz 64bit Octa-Core40%
More powerful processor, you can open your applications faster
vs2Ghz 64bit Octa-Core
+6GB LPDDR4X50%
More RAM memory. Typically more responsive and better for multitasking.
vs4GB LPDDR4X
+128GB (109GB available)118%
More internal storage for applications and files
vs64GB (50GB available)
+UFS 2.1Advantage
Fastest write and read storage.
vseMMC 5.1
+190 grams (6.65 ounces)5%
Lighter
vs199 grams (6.97 ounces)
+Aluminum frame, glass front/backAdvantage
More resistant material
vsPlastic body, glass front
+HDR10Advantage
The HDR10 display provides vibrant colors and more details
vsNot supported
+403 PPI2%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs395 PPI
+(dual camera) 48MP + 13MP2%
Higher resolution main camera
vs(quad camera) 48MP + 8MP + 2MP + 2MP
+Dual-LED flashAdvantage
The Dual-LED flash helps in dark places or in low light
vsLED flash
+4K UHD (3840x2160)3 times
More image quality for recording videos with the primary camera
vsFull HD (1920x1080)
+(4G+ LTE-A) 1200 Mbps50%
Faster for surfing the internet and download files
vs(4G+ LTE-A) 800 Mbps
+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
vsNot supported
9.2 millimeters (0.36 inches)vs+8.9 millimeters (0.35 inches)3%
Thinner
6.4"vs+6.53"2%
Larger screen
Android 9.0 Pievs+Android 10Advantage
Android 10 is newer and safer
5000 mAhvs+5020 mAh1%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supportedvs+Water repellent nano-coating (don't immerse)Advantage
Protection against water allows you talk to your friends in the rain, for example

36 Common items in both devices
Until 1TB microSD, microSDXC / Until 512GB microSD, microSDXC
TFT IPS LCD
60Hz
16 million
1080x2340 pixels
Only digital zoom
LDAF/PDAF: laser/phase detection autofocus / PDAF: phase detection autofocus
+29 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 featuresAsus Zenfone 6 (ZS630KL 128GB)Xiaomi Redmi Note 9 (64GB/4GB)
ModelZenfone 6 (ZS630KL 128GB)Redmi Note 9 (64GB/4GB)
Other model namesAsus Zenfone 6 2019 (6GB RAM) ASUS_I01WD, ZS630KL, I01WDXiaomi Redmi Note 9 M2003J15SS
Country or region available(Global, International)
(Global, International)
India
India
BrandAsusXiaomi
Release dateMay, 2019April, 2020
Depth9.2 millimeters (0.36 inches)8.9 millimeters (0.35 inches)
Size (width x height)75.4 x 159.1 millimeters (2.97 x 6.26 in)77.2 x 162.3 millimeters (3.04 x 6.39 in)
Weight190 grams (6.65 ounces)199 grams (6.97 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsAluminum frame, glass front/backPlastic body, glass front
Protection against water and othersNot supportedWater repellent nano-coating (don't immerse)
System (OS)Asus Zenfone 6 (ZS630KL 128GB)Xiaomi Redmi Note 9 (64GB/4GB)
Operating systemAndroid 9.0 PieAndroid 10
Firmware updatefeature not registeredfeature not registered
HardwareAsus Zenfone 6 (ZS630KL 128GB)Xiaomi Redmi Note 9 (64GB/4GB)
Chipset64bit - Qualcomm Snapdragon 855 SDM855 (7nm)64bit - MediaTek Helio G85 (12nm)
CPU processorOcta-Core, 3 processors:
2.84Ghz Single-Core Kryo 485
2.42Ghz 3-Cores Kryo 485
1.78Ghz Quad-Core Kryo 485
Octa-Core, 2 processors:
2Ghz Dual-Core ARM-Cortex-A75
1.8Ghz Hexa-Core ARM-Cortex-A55
GPU graphical controllerQualcomm Adreno 640ARM Mali-G52 MC2 1Ghz
RAM memory6GB LPDDR4X4GB LPDDR4X
Internal storage128GB (109GB available)
UFS 2.1
64GB (50GB available)
eMMC 5.1
External storageUntil 1TB microSD, microSDXC
(dedicated slot)
Until 512GB microSD, microSDXC
(dedicated slot)
DisplayAsus Zenfone 6 (ZS630KL 128GB)Xiaomi Redmi Note 9 (64GB/4GB)
Display typeTFT IPS LCDTFT IPS LCD
Screen size6.4" inches6.53" inches
Screen-to-body ratio~83.8% (screen-to-body ratio)~83.5% (screen-to-body ratio)
Display resolution1080x2340 pixels (19.5:9)1080x2340 pixels (19.5:9)
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch
Pixel density (dot pitch)403 PPI395 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 6Gorilla Glass 5
Display features60Hz, 600 nits, HDR1060Hz, 450 nits
Mobile networksAsus Zenfone 6 (ZS630KL 128GB)Xiaomi Redmi Note 9 (64GB/4GB)
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
Dual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum download/upload1200/150 Mbps800/150 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bandsExpand band detailsCollapse 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 networkA version:
UMTS 850/900/1900/2100

B, C version:
UMTS 800/850/900/1700/1900/2100
UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat18
VoLTE

A version:
LTE (Bands 1, 2, 3, 5, 7, 8, 20, 28)
TD-LTE (Bands 38, 40, 41)

B version:
LTE (Bands 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28)
TD-LTE (Bands 38, 39, 41, 46)

C version:
LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 26, 28)
TD-LTE (Bands 38, 39, 41, 46)
LTE Cat15/13 (Bands 1, 2, 3, 4, 5, 7, 8, 20, 28)
TD-LTE (Bands 38, 40, 41)
VoLTE
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGEGPRS, EDGE
CallingAsus Zenfone 6 (ZS630KL 128GB)Xiaomi Redmi Note 9 (64GB/4GB)
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
CameraAsus Zenfone 6 (ZS630KL 128GB)Xiaomi Redmi Note 9 (64GB/4GB)
Back camera (main camera)(dual camera)
48 megapixels
13MP ultrawidef/2.411mm
(quad camera)
48 megapixels
8MP ultrawidef/2.213mm1/4"1.12µm118º
2MP macrof/2.41.75µmAF
2MP depthf/2.41/5"1.7µm
Main camera resolution8000x6000 pixels8000x6000 pixels
Video recording (primary)4K UHD (3840x2160) 60 fpsFull HD (1920x1080) 30 fps
FlashDual-LED flashLED flash
Focal aperturef/1.8 (aperture)f/1.8 (aperture)
Focal length26mm lens26mm lens
Sensor size1/2" inches1/2" inches
Pixel size0.8µm pixel0.8µm pixel
AutofocusLDAF/PDAF: laser/phase detection autofocusPDAF: 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 on both camerasHDR photo on both cameras
2ª cameraAsus Zenfone 6 (ZS630KL 128GB)Xiaomi Redmi Note 9 (64GB/4GB)
Front camera (secondary)Uses the back motorized camera (flip-up/rotating)13 megapixels
Front camera resolutionNot supported4128x3096 pixels
Video recording (secondary)Not supportedFull HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturefeature not registeredf/2.3 (aperture)
Focal lengthfeature not registered29mm lens
Sensor sizefeature not registered1/3.06" inches
Pixel sizefeature not registered1.12µm pixel
MultimediaAsus Zenfone 6 (ZS630KL 128GB)Xiaomi Redmi Note 9 (64GB/4GB)
RadioFMFM
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC
ConnectivityAsus Zenfone 6 (ZS630KL 128GB)Xiaomi Redmi Note 9 (64GB/4GB)
USBUSB 2.0 Type-C reversible connectorUSB 2.0 Type-C, USB OTG On-The-Go
TV outputNot supportedNot supported
Audio output3.5mm jack3.5mm jack
Bluetooth5.0 + A2DP/LE5.0 + A2DP/LE
WiFi802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO
DLNANot supportedNot supported
NFCSupportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
Infrared portNot supportedSupported
Other functionsAsus Zenfone 6 (ZS630KL 128GB)Xiaomi Redmi Note 9 (64GB/4GB)
Active noise cancellationSupportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
SensorsAccelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Hall effect
Face unlock
Fingerprint sensor (rear-mounted)
Accelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Face unlock
Fingerprint sensor (rear-mounted)
Other features- Colors: Midnight Black, Twilight Silver
- 19.5:9, HDR10, DCI-P3 100% display
- Quick Charge 4.0
- 24-bit/192kHz audio
- DTS Headphone X
- Motorized flip-up main/selfie camera
- Google Pay
- WiFi direct, hotspot
- Colors: Forest Green, Midnight Grey, Polar White
- MIUI 11
- 22.5W charger (18W phone support)
- WiFi direct, hotspot
Power supplyAsus Zenfone 6 (ZS630KL 128GB)Xiaomi Redmi Note 9 (64GB/4GB)
BatteryLiPo: Li-Ion polymer (Non removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity5000 mAh5020 mAh
Charger, watts18W (9V/2A) Fast battery charging18W Fast battery charging
9W Reverse charging USB between devices
Talk time autonomy1980 minutes | 33 hours | 1.4 days1980 minutes | 33 hours | 1.4 days
Standby37440 minutes | 624 hours | 26 daysfeature not registered
Radiation rateAsus Zenfone 6 (ZS630KL 128GB)Xiaomi Redmi Note 9 (64GB/4GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered0.84W/kg (head) | 0.9W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registered0.8W/kg (head) | 1.14W/kg (body)
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