Xiaomi Redmi Note 4 (MTK 64GB/3GB) vs Xiaomi Mi 9 (128GB/6GB)

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

3/8/2019 8:08 PM, updated: 3/16/2020 7:54 PM

Compare Xiaomi Mi 9 X Xiaomi Redmi Note 4 (MTK 64GB/3GB) 05Points

Specifications Compare Models Pictures

5.5"
IPS

1080x1920

13
MP

5mp

3GB
RAM

Deca-core

4100
mAh

(Non removable)

23Points Xiaomi Mi 9 (128GB/6GB) Compare Xiaomi Redmi Note 4 X

Specifications Compare Models Pictures

6.39"
AMOLED

1080x2340

48
MP

20mp

6GB
RAM

Octa-core

3300
mAh

(Non removable)

What's the better phone? Xiaomi Mi 9 (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!

5 Advantages Xiaomi Redmi Note 4 (MTK 64GB/3GB)	vs	23 Advantages Xiaomi Mi 9 (128GB/6GB)
+Until 256GB microSD, microSDXCAdvantage More external storage for files using memory cards	vs	Not supported
+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness	vs	Not supported
+4100 mAh24% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	3300 mAh
+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores	vs	Type-C jack with 3.5mm jack adapter
+FMAdvantage The radio lets you listen to your songs and sports in general	vs	Not supported
2.1GHz 64bit Deca-core	vs	+2.84GHz 64bit Octa-core (7nm)39% More powerful processor, you can open your applications faster
3GB LPDDR3	vs	+6GB LPDDR4X100% More RAM memory. Typically more responsive and better for multitasking.
64GB (54GB available)	vs	+128GB (109GB available)102% More internal storage for applications and files
175 grams (6.13 ounces)	vs	+173 grams (6.06 ounces)1% Lighter
8.35 millimeters (0.33 inches)	vs	+7.61 millimeters (0.3 inches)10% Thinner
TFT IPS LCD	vs	+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid
1080x1920 pixels	vs	+1080x2340 pixels22% Higher resolution screen
401 PPI	vs	+403 PPI1% Crisper display of text, images and videos because it has more pixels per inch (ppi)
5.5"	vs	+6.39"16% Larger screen
(back) 13MP	vs	+(triple camera) 48MP + 16MP + 12MP5 times Higher resolution main camera
Only digital zoom	vs	+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures
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) 5MP	vs	+(front) 20MP3 times Higher resolution secondary camera to take pictures and selfies
Full HD (1920x1080)	vs	+4K UHD (3840x2160)3 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 7.0 Nougat	vs	+Android 10Advantage Android 10 is newer and safer
(4G LTE) 150 Mbps	vs	+(4G LTE-A) 1024 Mbps6 times Faster for surfing the internet and download files
Not supported	vs	+Face unlock 2DAdvantage Sensors help you use the device
Not supported	vs	+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
4.2 + A2DP	vs	+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely
MicroUSB 2.0	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.
Not supported	vs	+Gorilla Glass 6Advantage Protection against scratches on the screen lets you carry your phone with your keys

25 Common items in both devices

Aluminum body, glass front / Aluminum frame, glass front/back

16 million

Dual-LED flash

PDAF: phase detection autofocus / LDAF/PDAF: laser/phase detection autofocus

EIS: Digital stabilization

HDR photo on both cameras

4G LTE / 4G LTE-A

+18 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

📱 Model features
	Redmi Note 4 (MTK 64GB/3GB)	Xiaomi Mi 9 (128GB/6GB)
Change model		Choose the model
Model	Redmi Note 4 (MTK 64GB/3GB)	Xiaomi Mi 9 (128GB/6GB)
Other model names	红米Note 4, Redmi Note 4 (MediaTek) Deca-Core, Xiaomi Nikel	小米9, Xiaomi Mi9 (6GB RAM), M1902F1A, M1902F1G, M1902F1T
Country or region available	China, Hong Kong	China, (Global, International)
Brand	Xiaomi	Xiaomi
Release date	8/1/2016	3/1/2019
Depth	8.35 millimeters (0.33 inches)	7.61 millimeters (0.3 inches)
Size (width x height)	76 x 151 millimeters (2.99 x 5.94 in)	74.67 x 157.5 millimeters (2.94 x 6.2 in)
Weight	175 grams (6.13 ounces)	173 grams (6.06 ounces)
Build, materials	Aluminum body, glass front	Aluminum frame, glass front/back
Protection against water and others	Not supported	Not supported
📲 Display
	Redmi Note 4 (MTK 64GB/3GB)	Xiaomi Mi 9 (128GB/6GB)
Display type	TFT IPS LCD	Super AMOLED
Screen size	5.5" inches	6.39" inches
Screen-to-body ratio	~72.7% (screen-to-body ratio)	~85.2% (screen-to-body ratio)
Display resolution	1080x1920 pixels	1080x2340 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	401 PPI	403 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Gorilla Glass 6
Refresh rate	feature not registered	feature not registered
Display features	feature not registered	feature not registered
🤖 Operating System
	Redmi Note 4 (MTK 64GB/3GB)	Xiaomi Mi 9 (128GB/6GB)
System version	Android 6.0.1 Marshmallow	Android 9.0 Pie
Firmware update	Android 7.0 Nougat	Android 10
User Interface	feature not registered	feature not registered
⚙️ Processor
	Redmi Note 4 (MTK 64GB/3GB)	Xiaomi Mi 9 (128GB/6GB)
Chipset	64bit: MediaTek MT6797 Helio X20 (20nm)	64bit: Qualcomm Snapdragon 855 (SM8150) (7nm)
CPU	Deca-core, 3 processors: 2x 2.1GHz ARM Cortex-A72 (Dual-core) 4x 1.85GHz ARM Cortex-A53 (Quad-core) 4x 1.4GHz ARM Cortex-A53 (Quad-core)	Octa-core, 3 processors: 1x 2.84GHz Kryo 485 (Single-core) 3x 2.42GHz Kryo 485 (Triple-core) 4x 1.78GHz Kryo 485 (Quad-core)
GPU graphical controller	ARM Mali-T880 MP4 780Mhz	Qualcomm Adreno 640 (585MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Redmi Note 4 (MTK 64GB/3GB)	Xiaomi Mi 9 (128GB/6GB)
RAM memory	3GB LPDDR3	6GB LPDDR4X
Internal storage	64GB (54GB available)	128GB (109GB available) UFS 2.1
External storage	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Not supported
📶 Mobile networks
	Redmi Note 4 (MTK 64GB/3GB)	Xiaomi Mi 9 (128GB/6GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot)	Dual-SIM Standby - Call active on one sim card
SIM card	2 slots (Dual-SIM) micro-SIM (3FF) and nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	150/50 Mbps	1024/150 Mbps
Network technology	2G, 3G, 4G	2G, 3G, 4G
Frequency, bands	Expand band details Collapse details
GSM MHz band	Quad-Band 850/900/1800/1900	Quad-Band 850/900/1800/1900
Primary 2G network	CDMA 800/1900, GSM 850/900/1800/1900	CDMA 800, GSM 850/900/1800/1900
Primary 3G network	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat4 850/900/1800/2100/2600 (Bands 1,3,5,7,8) TD-LTE 1900/2300/2500/2600 (Bands 38,39,40,41)	LTE Cat16/13 VoLTE Global version: LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 20, 28) TD-LTE (Bands 38, 39, 40) China version: LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 17) TD-LTE (Bands 34, 38, 39, 40, 41)
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE	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
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	UMTS 850/900/1900/2100	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE	GPRS, EDGE
📷 Camera
	Redmi Note 4 (MTK 64GB/3GB)	Xiaomi Mi 9 (128GB/6GB)
Back camera (main camera)	13 megapixels	(triple camera) 48 megapixels 16MP ultrawide f/2.213mm1/3.0"1.0µmPDAF 12MP telephoto f/2.254mm1/3.6"1.0µmPDAF2x-optical-zoom
Main camera resolution	4128x3096 pixels	8000x6000 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	4K UHD (3840x2160) 60 fps
Flash	Dual-LED flash	Dual-LED flash
Focal aperture	f/2.0 (aperture)	f/1.8 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	1/2" inches
Pixel size	1.12µm pixel	0.8µm pixel
Autofocus	PDAF: phase detection autofocus	LDAF/PDAF: laser/phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	EIS: Digital stabilization
Zoom	Only digital zoom	Digital and optical zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Supported	Not supported
HDR	HDR photo on both cameras	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Redmi Note 4 (MTK 64GB/3GB)	Xiaomi Mi 9 (128GB/6GB)
Front camera (secondary)	5 megapixels	20 megapixels
Front camera resolution	2592x1944 pixels	5184x3840 pixels
Video recording (secondary)	HD (1280x720)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/2.0 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	0.9µm pixel
🔉 Sound and multimedia
	Redmi Note 4 (MTK 64GB/3GB)	Xiaomi Mi 9 (128GB/6GB)
Loudspeaker	Supported	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM	Not supported
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, OGG, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Redmi Note 4 (MTK 64GB/3GB)	Xiaomi Mi 9 (128GB/6GB)
USB	MicroUSB 2.0	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	Type-C jack with 3.5mm jack adapter
TV output	Not supported	Not supported
Bluetooth	4.2 + A2DP	5.0 + A2DP/LE
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
NFC	Not supported	Supported
Infrared port	Supported	Supported
🧭 Sensors
	Redmi Note 4 (MTK 64GB/3GB)	Xiaomi Mi 9 (128GB/6GB)
Sensors	Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Redmi Note 4 (MTK 64GB/3GB)	Xiaomi Mi 9 (128GB/6GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	4100 mAh	3300 mAh
Charger, watts	Wired charging	27W Wired fast charging
Inductive / wireless charging	feature not registered	Qi wireless charging
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Redmi Note 4 (MTK 64GB/3GB)	Xiaomi Mi 9 (128GB/6GB)
Call control	Voice dialing, Voice recorder, Voice commands	Voice dialing, Voice recorder, Voice commands
Messaging	SMS (T9), MMS, E-mail, Push mail	SMS (T9), MMS, E-mail, Push mail
Hands-free calling	Supported	Supported
Video calling	Supported	Supported
Ringtones	Polyphonic and customized	Polyphonic and customized
Web browser	HTML, XHTML, HTML5	HTML, XHTML, HTML5
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Black, Silver, Gray, Gold, Blue • USB OTG On-The-Go • Aluminum body • 2.5D curved glass • MIUI 8.0 • 720p@120fps slow-motion • 24-bit/192kHz audio • WiFi display	• Colors: Piano Black, Lavender Violet, Ocean Blue • MIUI 10 • HDR10/DCI-P3 display • Sapphire glass camera cover • Quick Charge 4+ • Fast wireless charging 20W
☢️ Radiation rate
	Redmi Note 4 (MTK 64GB/3GB)	Xiaomi Mi 9 (128GB/6GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered