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Xiaomi Redmi Note 9S (128GB) vs Asus ROG Phone 3 Strix (128GB/12GB)

Side by side comparison between Xiaomi Redmi Note 9S vs Asus ROG Phone 3 Strix phones, differences, pros, cons with full specifications. What's the better?

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Compare Asus ROG Phone 3 Strix XXiaomi Redmi Note 9S (128GB)09Points
Xiaomi Redmi Note 9S (128GB)
6.67"
IPS

1080x2400

48
MP

16mp

6GB
RAM

64bit Octa

5020
mAh

(Non removable)

vs
21PointsAsus ROG Phone 3 Strix (128GB/12GB)Compare Xiaomi Redmi Note 9S X
Asus ROG Phone 3 Strix (128GB/12GB)
6.59"
AMOLED

1080x2340

64
MP

24mp

12GB
RAM

64bit Octa

6000
mAh

(Non removable)

What's the better phone? Asus ROG Phone 3 Strix (128GB/12GB)

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!

Redmi Note 9S (128GB)9 Advantages Xiaomi Redmi Note 9S (128GB)vsROG Phone 3 Strix (128GB/12GB)21 Advantages Asus ROG Phone 3 Strix (128GB/12GB)
+Until 512GB microSD, microSDXCAdvantage
More external storage for files using memory cards
vsNot supported
+209 grams (7.32 ounces)15%
Lighter
vs240 grams (8.4 ounces)
+8.8 millimeters (0.35 inches)12%
Thinner
vs9.85 millimeters (0.39 inches)
+1080x2400 pixels3%
Higher resolution screen
vs1080x2340 pixels
+395 PPI1%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs391 PPI
+6.67"1%
Larger screen
vs6.59"
+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
+FMAdvantage
The radio lets you listen to your songs and sports in general
vsNot supported
+P2i certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsNot supported
2.3Ghz 64bit Octa-Corevs+2.84Ghz 64bit Octa-Core21%
More powerful processor, you can open your applications faster
6GB LPDDR4Xvs+12GB LPDDR5100%
More RAM memory. Typically more responsive and better for multitasking.
UFS 2.1vs+UFS 3.1Advantage
Fastest write and read storage.
Plastic body, glass front/backvs+Aluminum frame, glass front/backAdvantage
More resistant material
TFT IPS LCDvs+AMOLEDAdvantage
AMOLED display is brighter and more vivid
HDR10vs+HDR10+Advantage
The HDR10+ display provides vibrant colors and more details
60Hzvs+144Hz140%
The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
16 millionvs+1 billion62 times
More colors on the screen is better quality images and videos
(quad camera) 48MP + 8MP + 5MP + 2MPvs+(triple camera) 64MP + 13MP + 5MP30%
Higher resolution main camera
1/2" inchesvs+1/1.72" inches16%
The larger sensor camera lets you take photos with better depth.
f/2.0 (aperture)vs+f/1.8 (aperture)11%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 16MPvs+(front) 24MP49%
Higher resolution secondary camera to take pictures and selfies
4K UHD (3840x2160)vs+8K UHD (7680x4320)3 times
More image quality for recording videos with the primary camera
4G+ LTE-Avs+5G SA/NSAAdvantage
The 5G SA/NSA network is newer and faster
(4G+ LTE-A) 800 Mbpsvs+(5G SA/NSA) 5000 Mbps5 times
Faster for surfing the internet and download files
5020 mAhvs+6000 mAh20%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
18Wvs+30W67%
More power (watts) to charge the battery faster. Sometimes, the charger that comes with the device doesn't have the same power supported by the device. Check before you buy it.
802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMOvs+802.11 a/b/g/n/ac/ax (2.4Ghz, 5Ghz) + MIMOAdvantage
WiFi 802.11 a/b/g/n/ac/ax (2.4Ghz, 5Ghz) + MIMO is newer and faster
5.0 + A2DP/LEvs+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
USB 2.0 Type-C, USB OTG On-The-Govs+USB 3.1 Type-C, USB OTG On-The-GoAdvantage
Newer and faster USB version for transferring photos, mp3 or data.

26 Common items in both devices
128GB (106GB available) / 128GB (100GB available)
LED flash
Only digital zoom
PDAF: phase detection autofocus
EIS: Digital stabilization
HDR photo on both cameras
(front) Full HD (1920x1080)
+19 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 featuresXiaomi Redmi Note 9S (128GB)Asus ROG Phone 3 Strix (128GB/12GB)
ModelRedmi Note 9S (128GB)ROG Phone 3 Strix (128GB/12GB)
Other model namesXiaomi Note 9S (M2003J6A1G Global version) 6GB RAMAsus ROG Phone 3 ZS661KS Strix edition (12GB RAM)
Country or region available(Global, International)
(Global, International)
(Global, International)
(Global, International)
BrandXiaomiAsus
Release dateApril, 2020July, 2020
Depth8.8 millimeters (0.35 inches)9.85 millimeters (0.39 inches)
Size (width x height)76.68 x 165.75 millimeters (3.02 x 6.53 in)78 x 171 millimeters (3.07 x 6.73 in)
Weight209 grams (7.32 ounces)240 grams (8.4 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsPlastic body, glass front/backAluminum frame, glass front/back
Protection against water and othersP2i certified: water repellent nano-coatingNot supported
System (OS)Xiaomi Redmi Note 9S (128GB)Asus ROG Phone 3 Strix (128GB/12GB)
Operating systemAndroid 10Android 10
Firmware updatefeature not registeredfeature not registered
HardwareXiaomi Redmi Note 9S (128GB)Asus ROG Phone 3 Strix (128GB/12GB)
Chipset64bit - Qualcomm Snapdragon 720G SM7125 (8nm)64bit - Qualcomm Snapdragon 865 SM8250 (7nm)
CPU processorOcta-Core, 2 processors:
2.3Ghz Dual-Core Kryo 465 Gold
1.8Ghz Hexa-Core Kryo 465 Silver
Octa-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 618Qualcomm Adreno 650
RAM memory6GB LPDDR4X12GB LPDDR5
Internal storage128GB (106GB available)
UFS 2.1
128GB (100GB available)
UFS 3.1
External storageUntil 512GB microSD, microSDXC
(dedicated slot)
Not supported
DisplayXiaomi Redmi Note 9S (128GB)Asus ROG Phone 3 Strix (128GB/12GB)
Display typeTFT IPS LCDAMOLED
Screen size6.67" inches6.59" inches
Screen-to-body ratio~84.5% (screen-to-body ratio)~79.9% (screen-to-body ratio)
Display resolution1080x2400 pixels (20:9)1080x2340 pixels (19.5:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch 10-points
Pixel density (dot pitch)395 PPI391 PPI
Colors16 million1 billion
Scratch-resistant glassGorilla Glass 5Gorilla Glass 6
Display features60Hz, 450 nits, HDR10144Hz, 650 nits, HDR10+
Mobile networksXiaomi Redmi Note 9S (128GB)Asus ROG Phone 3 Strix (128GB/12GB)
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
Dual-SIM Standby - Call active on one sim card
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum download/upload800/150 Mbps5000/150 Mbps
Network technology2G, 3G, 4G2G, 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 850/900/1700/1900/2100CDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat15/13 (Bands 1, 2, 3, 4, 5, 7, 8, 20, 28)
TD-LTE (Bands 38, 40)
VoLTE
LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 20, 28)
TD-LTE (34, 38, 39, 40, 41)
VoLTE
Primary 5G networkNot supportedSA/NSA (41, 77, 78, 79)
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, 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 networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGEGPRS, EDGE
CallingXiaomi Redmi Note 9S (128GB)Asus ROG Phone 3 Strix (128GB/12GB)
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
SpeakerphoneSupportedSupported
Video callingSupportedSupported
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder, Voice commands
CameraXiaomi Redmi Note 9S (128GB)Asus ROG Phone 3 Strix (128GB/12GB)
Back camera (main camera)(quad camera)
48 megapixels
8MP ultrawidef/2.213mm1/4"1.12µm119º
5MP macrof/2.41.12µmAF
2MP depthf/2.4
(triple camera)
64 megapixels
13MP ultrawidef/2.4125º11mm
5MP macrof/2.0
Main camera resolution8000x6000 pixels10120x6328 pixels
Video recording (primary)4K UHD (3840x2160) 30 fps8K UHD (7680x4320) 30 fps
FlashLED flashLED flash
Focal aperturef/2.0 (aperture)f/1.8 (aperture)
Focal length26mm lens26mm lens
Sensor size1/2" inches1/1.72" inches
Pixel size0.8µm pixel0.8µm pixel
AutofocusPDAF: 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 cameraXiaomi Redmi Note 9S (128GB)Asus ROG Phone 3 Strix (128GB/12GB)
Front camera (secondary)16 megapixels24 megapixels
Front camera resolution4608x3456 pixels5632x4224 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.5 (aperture)f/2.0 (aperture)
Focal lengthfeature not registered27mm lens
Sensor size1/3.06" inchesfeature not registered
Pixel size1µm pixel0.9µm pixel
MultimediaXiaomi Redmi Note 9S (128GB)Asus ROG Phone 3 Strix (128GB/12GB)
RadioFMNot supported
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
ConnectivityXiaomi Redmi Note 9S (128GB)Asus ROG Phone 3 Strix (128GB/12GB)
USBUSB 2.0 Type-C, USB OTG On-The-GoUSB 3.1 Type-C, USB OTG On-The-Go
TV outputNot supportedUSB Type-C (reversible)
Audio output3.5mm jackType-C jack with 3.5mm jack adapter
Bluetooth5.0 + A2DP/LE5.1 + A2DP/LE
WiFi802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO802.11 a/b/g/n/ac/ax (2.4Ghz, 5Ghz) + MIMO
DLNANot supportedNot supported
NFCNot supportedSupported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO, QZSS
Infrared portSupportedNot supported
Other functionsXiaomi Redmi Note 9S (128GB)Asus ROG Phone 3 Strix (128GB/12GB)
Active noise cancellationSupportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
SensorsAccelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Face unlock
Fingerprint sensor (side-mounted)
Accelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Gesture
Hall effect
Face unlock
Fingerprint sensor (under display)
Other features- Colors: Aurora Blue, Glacier White, Interstellar Black
- MIUI 11
- WiFi direct, hotspot
- Colors: Black glare
- ROG UI (Republic Of Gamers)
- Always-On display
- DTS:X stereo speakers (2 amplifiers)
- 24-bit/192kHz audio
- AeroActive Cooler 3
- WiFi direct, hotspot
Power supplyXiaomi Redmi Note 9S (128GB)Asus ROG Phone 3 Strix (128GB/12GB)
BatteryLiPo: Li-Ion polymer (Non removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity5020 mAh6000 mAh
Charger, watts18W Fast battery charging30W Fast battery charging
10W Reverse charging USB between devices
Quick Charge 3/4
USB Power Delivery 3.0
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered
Radiation rateXiaomi Redmi Note 9S (128GB)Asus ROG Phone 3 Strix (128GB/12GB)
SAR 1.6W/kg (USA, Mexico, etc.)0.96W/kg (head) | 0.4W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)0.72W/kg (head) | 0.98W/kg (body)feature not registered
X

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