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Xiaomi Redmi Note 9S (128GB) vs Xiaomi Mi 4 (4G 16GB)

Side by side comparison between Xiaomi Redmi Note 9S vs Xiaomi Mi 4 phones, differences, pros, cons and full specifications. What's the better?

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Compare Xiaomi Mi 4 X Xiaomi Redmi Note 9S (128GB) 21Points
6.67"
IPS

1080x2400

48
MP

16mp

6GB
RAM

Octa-core

5020
mAh

(Non removable)

vs
5"
IPS

1080x1920

13
MP

8mp

3GB
RAM

Quad-core

3080
mAh

(Non removable)

What's the better phone? Xiaomi Redmi Note 9S (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!

Redmi Note 9S (128GB)} 21 Advantages Xiaomi Redmi Note 9S (128GB) vs Mi 4 (4G 16GB)} 7 Advantages Xiaomi Mi 4 (4G 16GB)
+2.3GHz 64bit Octa-core (8nm)35%
More powerful processor, you can open your applications faster
vs2.5GHz 32bit Quad-core
+6GB LPDDR4X100%
More RAM memory. Typically more responsive and better for multitasking.
vs3GB LPDDR3
+128GB (106GB available)7 times
More internal storage for applications and files
vs16GB (13GB available)
+Until 512GB microSD, microSDXCAdvantage
More external storage for files using memory cards
vsNot supported
+8.8 millimeters (0.35 inches)1%
Thinner
vs8.9 millimeters (0.35 inches)
+1080x2400 pixels25%
Higher resolution screen
vs1080x1920 pixels
+6.67"33%
Larger screen
vs5"
+(quad camera) 48MP + 8MP + 5MP + 2MP4 times
Higher resolution main camera
vs(back) 13MP
+HDR photo on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
vsHDR photo/video only main camera
+1/2" inches50%
The larger sensor camera lets you take photos with better depth.
vs1/3" inches
+(front) 16MP99%
Higher resolution secondary camera to take pictures and selfies
vs(front) 8MP
+Android 11Advantage
Android 11 is newer and safer
vsAndroid 6.0.1 Marshmallow
+(4G LTE-A) 800 Mbps4 times
Faster for surfing the internet and download files
vs(4G LTE) 150 Mbps
+Face unlockAdvantage
Sensors help you use the device
vsNot supported
+Fingerprint sensor (side-mounted)Advantage
Sensors help you use the device
vsNot supported
+5020 mAh63%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs3080 mAh
+2 slots (Dual-SIM)
(dedicated slot)Advantage
You can have more mobile carriers/operators on the same device.
vs1 slot (Single-SIM)
+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
vs4.0 + A2DP
+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
vsMicroUSB 2.0
+Gorilla Glass 5Advantage
Protection against scratches on the screen lets you carry your phone with your keys
vsNot supported
+P2i certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsNot supported
209 grams (7.32 ounces)vs+149 grams (5.22 ounces)40%
Lighter
TFT IPS LCDvs+TFT LED-Backlit IPS LCDAdvantage
TFT LED-Backlit IPS LCD display is brighter and more vivid
395 PPIvs+441 PPI12%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
LED flashvs+Dual-LED flashAdvantage
The Dual-LED flash helps in dark places or in low light
Not supportedvs+BarometerAdvantage
Sensors help you use the device
Not supportedvs+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
Not supportedvs+NFCAdvantage
NFC allows you to make payments by approach quickly and securely

22 Common items in both devices
16 million
Only digital zoom
PDAF: phase detection autofocus / Autofocus
EIS: Digital stabilization
f/1.8 (aperture)
4K UHD (3840x2160)
(front) Full HD (1920x1080)
+15 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)Xiaomi Mi 4 (4G 16GB)
ModelRedmi Note 9S (128GB)Xiaomi Mi 4 (4G 16GB)
Other model namesXiaomi Note 9S (M2003J6A1G Global version) 6GB RAMXiaomi Mi4 LTE Internacional, Xiaomi Mi4 4G, Xiaomi Leo
Country or region available(Global, International)
(Global, International)
(Global, International)
(Global, International)
BrandXiaomiXiaomi
Release date4/30/2020, Announced: 3/23/202012/1/2014
Depth8.8 millimeters (0.35 inches)8.9 millimeters (0.35 inches)
Size (width x height)76.68 x 165.75 millimeters (3.02 x 6.53 in)68.5 x 139.2 millimeters (2.7 x 5.48 in)
Weight209 grams (7.32 ounces)149 grams (5.22 ounces)
Build, materialsPlastic body, glass front/backfeature not registered
Protection against water and othersP2i certified: water repellent nano-coatingNot supported

📲 Display

Redmi Note 9S (128GB)Xiaomi Mi 4 (4G 16GB)
Display typeTFT IPS LCDTFT LED-Backlit IPS LCD
Screen size6.67" inches5" inches
Screen-to-body ratio~84.5% (screen-to-body ratio)~72.3% (screen-to-body ratio)
Display resolution1080x2400 pixels (20:9)1080x1920 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)395 PPI441 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 5Not supported
Refresh rate60Hzfeature not registered
Display features450nits[typ]
HDR10
feature not registered

🤖 Operating System

Redmi Note 9S (128GB)Xiaomi Mi 4 (4G 16GB)
System versionAndroid 10Android 4.4.3 KitKat
Firmware updateAndroid 11Android 6.0.1 Marshmallow
User InterfaceMIUI 11 / 12feature not registered

⚙️ Processor

Redmi Note 9S (128GB)Xiaomi Mi 4 (4G 16GB)
Chipset64bit: Qualcomm Snapdragon 720G (SM7125) (8nm)32bit: Qualcomm Snapdragon 801 MSM8974-AC (28nm)
CPUOcta-core, 2 processors:
2x 2.3GHz Kryo 465 Gold (Dual-core)
6x 1.8GHz Kryo 465 Silver (Hexa-core)
Quad-core, 1 processor:
4x 2.5GHz Krait 400 (Quad-core)
GPU graphical controllerQualcomm Adreno 618 (750MHz)Qualcomm Adreno 330 578Mhz
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)Xiaomi Mi 4 (4G 16GB)
RAM memory6GB LPDDR4X3GB LPDDR3
Internal storage128GB (106GB available)
UFS 2.1
16GB (13GB available)
External storageUntil 512GB microSD, microSDXC
(dedicated slot)
Not supported

📶 Mobile networks

Redmi Note 9S (128GB)Xiaomi Mi 4 (4G 16GB)
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
Not supported
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
1 slot (Single-SIM)
micro-SIM (3FF)
Maximum Download / Upload800/150 Mbps150/50 Mbps
Network technology2G, 3G, 4G2G, 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 850/900/1700/1900/2100UMTS 850/900/1900/2100
Primary 4G networkLTE Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28)
TD-LTE (38, 40)
VoLTE
LTE Cat4 800/850/900/1800/2100/2600 (Bands 1,3,5,7,8,20)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE
Secondary 2G networkGSM 850/900/1800/1900Not supported
Secondary 3G networkUMTS 850/900/1700/1900/2100Not supported
Secondary 4G networkLTE Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28)
TD-LTE (38, 40)
VoLTE
Not supported
Secondary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-ANot supported

📷 Camera

Redmi Note 9S (128GB)Xiaomi Mi 4 (4G 16GB)
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
13 megapixels
Main camera resolution8000x6000 pixels4128x3096 pixels
Video recording (primary)4K UHD (3840x2160) 30 fps4K UHD (3840x2160) 30 fps
FlashLED flashDual-LED flash
Focal aperturef/1.8 (aperture)f/1.8 (aperture)
Focal length26mm lensfeature not registered
Sensor size1/2" inches1/3" inches
Pixel size0.8µm pixel1.12µm pixel
AutofocusPDAF: phase detection autofocusAutofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorSupportedNot supported
HDRHDR photo on both camerasHDR photo/video only main camera
Camera extras4K@30fps
1080p@30/60fps
1080p@120fps (slow motion)
720p@960fps (slow motion)
feature not registered

📸 Front camera

Redmi Note 9S (128GB)Xiaomi Mi 4 (4G 16GB)
Front camera (secondary)16 megapixels8 megapixels
Front camera resolution4608x3456 pixels3264x2448 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.5 (aperture)f/1.8 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor size1/3.06" inchesfeature not registered
Pixel size1µm pixelfeature not registered

🔉 Sound and multimedia

Redmi Note 9S (128GB)Xiaomi Mi 4 (4G 16GB)
LoudspeakerMono sound (not stereo)Supported
Active noise cancellation2 microphones or more2 microphones or more
RadioFMFM
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, DivX, XviD, H.264, H.263, WMV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, eAAC+, FLAC

🔌 Connectivity

Redmi Note 9S (128GB)Xiaomi Mi 4 (4G 16GB)
USBUSB 2.0 Type-C, USB OTG On-The-GoMicroUSB 2.0
Audio output3.5mm jack3.5mm jack
TV outputUSB Type-C (reversible)Micro-B USB MHL
Bluetooth5.0 + A2DP/LE4.0 + A2DP
WiFi802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz)
WiFi Direct, hotspot
DLNANot supportedSupported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS
NFCNot supportedSupported
Infrared portSupportedSupported

🧭 Sensors

Redmi Note 9S (128GB)Xiaomi Mi 4 (4G 16GB)
SensorsAccelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (side-mounted)
Gyroscope
Proximity sensor
Accelerometer
Ambient light sensor
Barometer
Compass
Gyroscope
Hall effect
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Redmi Note 9S (128GB)Xiaomi Mi 4 (4G 16GB)
Battery typeLiPo: li-ion polymer (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity5020 mAh3080 mAh
Charger, watts18W Wired fast chargingWired charging
Inductive / wireless chargingNot supportedfeature not registered
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registered113.3 hours (4.7 days)

➕ Other features

Redmi Note 9S (128GB)Xiaomi Mi 4 (4G 16GB)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder, Voice commands
MessagingSMS (T9), MMS, E-mail, Push mailSMS (Swype), 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: Black, White
• USB OTG On-The-Go 1.3
• MI UI 5.0
• Quick Charge 2.0
• WiFi display
• Java framework

☢️ Radiation rate

Redmi Note 9S (128GB)Xiaomi Mi 4 (4G 16GB)
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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