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Xiaomi Redmi Note 9S (128GB) vs Asus Zenfone 7 (ZS670KS 128GB/6GB)

Side by side comparison between Xiaomi Redmi Note 9S vs Asus Zenfone 7 phones, differences, pros, cons and full specifications. What's the better?

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Compare Asus Zenfone 7 X Xiaomi Redmi Note 9S (128GB) 06Points
6.67"
IPS

1080x2400

48
MP

16mp

6GB
RAM

Octa-core

5020
mAh

(Non removable)

vs
22Points Asus Zenfone 7 (ZS670KS 128GB/6GB) Compare Xiaomi Redmi Note 9S X
6.67"
AMOLED

1080x2400

64
MP

64mp

6GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Asus Zenfone 7 (ZS670KS 128GB/6GB)

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)} 6 Advantages Xiaomi Redmi Note 9S (128GB) vs Zenfone 7 (ZS670KS 128GB/6GB)} 22 Advantages Asus Zenfone 7 (ZS670KS 128GB/6GB)
+209 grams (7.32 ounces)12%
Lighter
vs235 grams (8.23 ounces)
+8.8 millimeters (0.35 inches)9%
Thinner
vs9.6 millimeters (0.38 inches)
+5020 mAh1%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs5000 mAh
+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-core (8nm)vs+2.84GHz 64bit Octa-core (7nm)21%
More powerful processor, you can open your applications faster
6GB LPDDR4Xvs+6GB LPDDR5Advantage
This RAM type is better and more efficient.
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+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
HDR10vs+HDR10+Advantage
The HDR10+ display provides vibrant colors and more details
60Hzvs+90Hz50%
The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
(quad camera) 48MP + 8MP + 5MP + 2MPvs+(triple camera) 64MP + 12MP + 8MP33%
Higher resolution main camera
LED flashvs+Dual-LED flashAdvantage
The Dual-LED flash helps in dark places or in low light
Only digital zoomvs+Digital and optical zoomAdvantage
The zoom allows for better focus and approach to take pictures
1/2" inchesvs+1/1.72" inches16%
The larger sensor camera lets you take photos with better depth.
(front) 16MPvs+(triple front camera) 64MP + 12MP + 8MP4 times
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
(front) Full HD (1920x1080)vs+(front) 8K UHD (7680x4320)15 times
More image quality for recording videos with the secondary camera
Android 11vs+Android 12Advantage
Android 12 is newer and safer
4G LTE-Avs+5G SA/NSAAdvantage
The 5G SA/NSA network is newer and faster
(4G LTE-A) 800 Mbpsvs+(5G SA/NSA) 2000 Mbps150%
Faster for surfing the internet and download files
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.
Mono sound (not stereo)vs+Stereo soundAdvantage
Better sound quality for listening to music or clearer hands-free calls
802.11 a/b/g/n/ac [wifi5]vs+802.11 a/b/g/n/ac/ax [wifi6]Advantage
WiFi 802.11 a/b/g/n/ac/ax [wifi6] 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

30 Common items in both devices
128GB (106GB available) / 128GB (104GB available)
Until 512GB microSD, microSDXC / Until 1TB microSD, microSDXC
16 million
1080x2400 pixels
395 PPI
6.67"
PDAF: phase detection autofocus
+23 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

Redmi Note 9S (128GB)Asus Zenfone 7 (ZS670KS 128GB/6GB)
ModelRedmi Note 9S (128GB)Zenfone 7 (ZS670KS 128GB/6GB)
Other model namesXiaomi Note 9S (M2003J6A1G Global version) 6GB RAMAsus Zenfone 7 ZS670KS, ASUS_I002D, I002D (6GB RAM)
Country or region available(Global, International)
(Global, International)
(Global, International)
(Global, International)
BrandXiaomiAsus
Release date4/30/2020, Announced: 3/23/20209/1/2020, Announced: 8/26/2020
Depth8.8 millimeters (0.35 inches)9.6 millimeters (0.38 inches)
Size (width x height)76.68 x 165.75 millimeters (3.02 x 6.53 in)77.3 x 165.1 millimeters (3.04 x 6.5 in)
Weight209 grams (7.32 ounces)235 grams (8.23 ounces)
Build, materialsPlastic body, glass front/backAluminum frame, glass front/back
Protection against water and othersP2i certified: water repellent nano-coatingNot supported

📲 Display

Redmi Note 9S (128GB)Asus Zenfone 7 (ZS670KS 128GB/6GB)
Display typeTFT IPS LCDSuper AMOLED
Screen size6.67" inches6.67" inches
Screen-to-body ratio~84.5% (screen-to-body ratio)~84.2% (screen-to-body ratio)
Display resolution1080x2400 pixels (20:9)1080x2400 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch 10-points
Pixel density (dot pitch)395 PPI395 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 5Gorilla Glass 6
Refresh rate60Hz90Hz
Display features450nits[typ]
HDR10
700nits[peak]
HDR10+

🤖 Operating System

Redmi Note 9S (128GB)Asus Zenfone 7 (ZS670KS 128GB/6GB)
System versionAndroid 10Android 10
Firmware updateAndroid 11Android 12
User InterfaceMIUI 11 / 12ZenUI 8

⚙️ Processor

Redmi Note 9S (128GB)Asus Zenfone 7 (ZS670KS 128GB/6GB)
Chipset64bit: Qualcomm Snapdragon 720G (SM7125) (8nm)64bit: Qualcomm Snapdragon 865 (SM8250) (7nm)
CPUOcta-core, 2 processors:
2x 2.3GHz Kryo 465 Gold (Dual-core)
6x 1.8GHz Kryo 465 Silver (Hexa-core)
Octa-core, 3 processors:
1x 2.84GHz Kryo 585 (Single-core)
3x 2.42GHz Kryo 585 (Triple-core)
4x 1.8GHz Kryo 585 (Quad-core)
GPU graphical controllerQualcomm Adreno 618 (750MHz)Qualcomm Adreno 650 (250-587MHz)
Performance (benchmark)AnTuTu: 279625 (v8)
Geekbench: 1785 (v5.1)
GFXBench: 15fps (ES 3.1 onscreen)
feature not registered

💽 Memory and storage

Redmi Note 9S (128GB)Asus Zenfone 7 (ZS670KS 128GB/6GB)
RAM memory6GB LPDDR4X6GB LPDDR5
Internal storage128GB (106GB available)
UFS 2.1
128GB (104GB available)
UFS 3.1
External storageUntil 512GB microSD, microSDXC
(dedicated slot)
Until 1TB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Redmi Note 9S (128GB)Asus Zenfone 7 (ZS670KS 128GB/6GB)
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 / Upload800/150 Mbps2000/1024 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G, 5G
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 850/900/1700/1900/2100UMTS 800/850/900/1700/1900/2100
Primary 4G networkLTE Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28)
TD-LTE (38, 40)
VoLTE
LTE Cat19 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 29)
TD-LTE (38, 39, 40, 41)
VoLTE
Primary 5G networkNot supportedSA/NSA (1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 77, 78)
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkUMTS 850/900/1700/1900/2100UMTS 800/850/900/1700/1900/2100
Secondary 4G networkLTE Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28)
TD-LTE (38, 40)
VoLTE
LTE Cat19 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 29)
TD-LTE (38, 39, 40, 41)
VoLTE
Secondary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A

📷 Camera

Redmi Note 9S (128GB)Asus Zenfone 7 (ZS670KS 128GB/6GB)
Back camera (main camera)(quad camera)
48 megapixels
8MP ultrawide f/2.213mm1/4"1.12µm119°
5MP macro f/2.41/5"1.12µmAF
2MP depth f/2.4
(triple camera)
64 megapixels
12MP ultrawide f/2.2113°17mm1/2.55"1.4µmPDAF
8MP telephoto f/2.480mmPDAF3x-optical-zoom
Main camera resolution8000x6000 pixels10120x6328 pixels
Video recording (primary)4K UHD (3840x2160) 30 fps8K UHD (7680x4320) 30 fps
FlashLED flashDual-LED flash
Focal aperturef/1.8 (aperture)f/1.8 (aperture)
Focal length26mm (lens)26mm (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 zoomDigital and optical zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorSupportedSupported
HDRHDR photo on both camerasHDR photo/video on both cameras
Camera extras4K@30fps
1080p@30/60fps
1080p@120fps (slow motion)
720p@960fps (slow motion)
4K@120fps
1080p@240fps
720p@480fps

📸 Front camera

Redmi Note 9S (128GB)Asus Zenfone 7 (ZS670KS 128GB/6GB)
Front camera (secondary)16 megapixelsUses the back motorized camera (flip-up/rotating)
Front camera resolution4608x3456 pixels10120x6328 pixels
Video recording (secondary)Full HD (1920x1080)8K UHD (7680x4320)
Front flashNot supportedDual-LED flash
Focal aperturef/2.5 (aperture)f/1.8 (aperture)
Focal lengthfeature not registered26mm (lens)
Sensor size1/3.06" inches1/1.72" inches
Pixel size1µm pixel0.8µm pixel

🔉 Sound and multimedia

Redmi Note 9S (128GB)Asus Zenfone 7 (ZS670KS 128GB/6GB)
LoudspeakerMono sound (not stereo)Stereo sound
24-bit/192kHz
Active noise cancellation2 microphones or more2 microphones or more
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

🔌 Connectivity

Redmi Note 9S (128GB)Asus Zenfone 7 (ZS670KS 128GB/6GB)
USBUSB 2.0 Type-C, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
Audio output3.5mm jackType-C jack with 3.5mm jack adapter
TV outputUSB Type-C (reversible)USB Type-C (reversible)
Bluetooth5.0 + A2DP/LE5.1 + A2DP/LE
WiFi802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC
NFCNot supportedSupported
Infrared portSupportedNot supported

🧭 Sensors

Redmi Note 9S (128GB)Asus Zenfone 7 (ZS670KS 128GB/6GB)
SensorsAccelerometer
Ambient light sensor
Compass
Face unlock 2D
Fingerprint sensor (side-mounted)
Gyroscope
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Face unlock 2D
Fingerprint sensor (side-mounted)
Gyroscope
Hall effect
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Redmi Note 9S (128GB)Asus Zenfone 7 (ZS670KS 128GB/6GB)
Battery typeLiPo: li-ion polymer (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity5020 mAh5000 mAh
Charger, watts18W Wired fast charging30W Wired fast charging
Reverse charging by cable
Quick Charge 4
USB Power Delivery 3.0
Inductive / wireless chargingNot supportedNot supported
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

Redmi Note 9S (128GB)Asus Zenfone 7 (ZS670KS 128GB/6GB)
Call controlVoice dialing, Voice recorder, Voice commandsVoice 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: Aurora Blue, Glacier White, Interstellar Black• Colors: Aurora Black, Pastel White
• Silicon case included

☢️ Radiation rate

Redmi Note 9S (128GB)Asus Zenfone 7 (ZS670KS 128GB/6GB)
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
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