Xiaomi Redmi 4X (32GB) vs Xiaomi Redmi Note 9 Pro (128GB)

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

7/7/2020 1:17 PM, updated: 1/19/2023 3:05 AM

Compare Xiaomi Redmi Note 9 Pro X Xiaomi Redmi 4X (32GB) 02Points

Specifications Compare Models Pictures

5"
IPS

720x1280

13
MP

5mp

3GB
RAM

Octa-core

4100
mAh

(Non removable)

22Points Xiaomi Redmi Note 9 Pro (128GB) Compare Xiaomi Redmi 4X X

Specifications Compare Models Pictures

6.67"
IPS

1080x2400

64
MP

16mp

6GB
RAM

Octa-core

5020
mAh

(Non removable)

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

2 Advantages Xiaomi Redmi 4X (32GB)	vs	22 Advantages Xiaomi Redmi Note 9 Pro (128GB)
+150 grams (5.25 ounces)39% Lighter	vs	209 grams (7.32 ounces)
+8.7 millimeters (0.34 inches)1% Thinner	vs	8.8 millimeters (0.35 inches)
1.4GHz 64bit Octa-core	vs	+2.3GHz 64bit Octa-core (8nm)80% More powerful processor, you can open your applications faster
3GB LPDDR3	vs	+6GB LPDDR4X100% More RAM memory. Typically more responsive and better for multitasking.
32GB (22GB available)	vs	+128GB (106GB available)4 times More internal storage for applications and files
Until 256GB microSD, microSDXC	vs	+Until 512GB microSD, microSDXC100% More external storage for files using memory cards
720x1280 pixels	vs	+1080x2400 pixels181% Higher resolution screen
294 PPI	vs	+395 PPI34% Crisper display of text, images and videos because it has more pixels per inch (ppi)
5"	vs	+6.67"33% Larger screen
(back) 13MP	vs	+(quad camera) 64MP + 8MP + 5MP + 2MP5 times Higher resolution main camera
Not supported	vs	+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness
HDR photo only main camera	vs	+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas
f/2.0 (aperture)	vs	+f/1.9 (aperture)5% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 5MP	vs	+(front) 16MP2 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
Android 6.0.1 Marshmallow	vs	+Android 11Advantage Android 11 is newer and safer
(4G LTE-A) 300 Mbps	vs	+(4G LTE-A) 800 Mbps167% Faster for surfing the internet and download files
Not supported	vs	+Face unlock 2DAdvantage Sensors help you use the device
4100 mAh	vs	+5020 mAh22% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
2 slots (Dual-SIM) (hybrid slot/shares the same microSD slot)	vs	+2 slots (Dual-SIM) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.
802.11 b/g/n [wifi4]	vs	+802.11 a/b/g/n/ac [wifi5]Advantage WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
4.1 + 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.

27 Common items in both devices

TFT IPS LCD

16 million

LED flash

Only digital zoom

PDAF: phase detection autofocus

EIS: Digital stabilization

(front) Full HD (1920x1080)

+20 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 4X (32GB)	Redmi Note 9 Pro (128GB)
Change model		Choose the model
Model	Redmi 4X (32GB)	Redmi Note 9 Pro (128GB)
Other model names	Xiaomi Hongmi 4X 3GB RAM 32GB, MAE136, MAT136	Xiaomi Note 9 Pro (M2003J6B2G Global version) 6GB RAM
Country or region available	(Global, International), China, India, Malaysia, Pakistan	(Global, International)
Brand	Xiaomi	Xiaomi
Release date	5/1/2017	5/5/2020, Announced: 4/30/2020
Depth	8.7 millimeters (0.34 inches)	8.8 millimeters (0.35 inches)
Size (width x height)	70 x 139.2 millimeters (2.76 x 5.48 in)	76.68 x 165.75 millimeters (3.02 x 6.53 in)
Weight	150 grams (5.25 ounces)	209 grams (7.32 ounces)
Build, materials	feature not registered	Plastic body, glass front/back
Protection against water and others	Not supported	Not supported
📲 Display
	Redmi 4X (32GB)	Redmi Note 9 Pro (128GB)
Display type	TFT IPS LCD	TFT IPS LCD
Screen size	5" inches	6.67" inches
Screen-to-body ratio	~70.7% (screen-to-body ratio)	~84.5% (screen-to-body ratio)
Display resolution	720x1280 pixels	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	294 PPI	395 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 3	Gorilla Glass 5
Refresh rate	feature not registered	60Hz
Display features	feature not registered	450nits[typ]
🤖 Operating System
	Redmi 4X (32GB)	Redmi Note 9 Pro (128GB)
System version	Android 6.0.1 Marshmallow	Android 10
Firmware update	feature not registered	Android 11
User Interface	feature not registered	MIUI 11 / 12
⚙️ Processor
	Redmi 4X (32GB)	Redmi Note 9 Pro (128GB)
Chipset	64bit: Qualcomm Snapdragon 435 MSM8940 (28nm)	64bit: Qualcomm Snapdragon 720G (SM7125) (8nm)
CPU	Octa-core, 2 processors: 4x 1.4GHz ARM Cortex-A53 (Quad-core) 4x 1.1GHz ARM Cortex-A53 (Quad-core)	Octa-core, 2 processors: 2x 2.3GHz Kryo 465 Gold (Dual-core) 6x 1.8GHz Kryo 465 Silver (Hexa-core)
GPU graphical controller	Qualcomm Adreno 505	Qualcomm Adreno 618 (750MHz)
Performance (benchmark)	feature not registered	AnTuTu: 279625 (v8) Geekbench: 1785 (v5.1) GFXBench: 15fps (ES 3.1 onscreen)
💽 Memory and storage
	Redmi 4X (32GB)	Redmi Note 9 Pro (128GB)
RAM memory	3GB LPDDR3	6GB LPDDR4X
Internal storage	32GB (22GB available)	128GB (106GB available) UFS 2.1
External storage	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Until 512GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Redmi 4X (32GB)	Redmi Note 9 Pro (128GB)
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 (dedicated slot)
SIM card	2 slots (Dual-SIM) micro-SIM (3FF) and nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	300/50 Mbps	800/150 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	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	Global model: UMTS 850/900/1900/2100 India model: UMTS 900/2100 China model: CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat6 850/900/1800/2100/2600 (Bands 1,3,5,7,8) TD-LTE 1900/2300/2500/2600 (Bands 38,39,40,41)	LTE Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE
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, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	Not supported	UMTS 850/900/1700/1900/2100
Secondary 4G network	Not supported	LTE Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE
Secondary data network	GPRS, EDGE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
📷 Camera
	Redmi 4X (32GB)	Redmi Note 9 Pro (128GB)
Back camera (main camera)	13 megapixels	(quad camera) 64 megapixels 8MP ultrawide f/2.213mm1/4"1.12µm119° 5MP macro f/2.41/5"1.12µmAF 2MP depth f/2.4
Main camera resolution	4128x3096 pixels	10120x6328 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/2.0 (aperture)	f/1.9 (aperture)
Focal length	feature not registered	26mm (lens)
Sensor size	feature not registered	1/1.72" inches
Pixel size	feature not registered	0.8µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	EIS: Digital stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Supported
HDR	HDR photo only main camera	HDR photo on both cameras
Camera extras	feature not registered	4K@30fps 1080p@30/60fps 1080p@120fps (slow motion) 720p@960fps (slow motion)
📸 Front camera
	Redmi 4X (32GB)	Redmi Note 9 Pro (128GB)
Front camera (secondary)	5 megapixels	16 megapixels
Front camera resolution	2560x1920 pixels	4608x3456 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.2 (aperture)	f/2.5 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	1/3.06" inches
Pixel size	feature not registered	1µm pixel
🔉 Sound and multimedia
	Redmi 4X (32GB)	Redmi Note 9 Pro (128GB)
Loudspeaker	Supported	Mono sound (not stereo)
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM	FM
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Redmi 4X (32GB)	Redmi Note 9 Pro (128GB)
USB	MicroUSB 2.0	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	USB Type-C (reversible)
Bluetooth	4.1 + A2DP	5.0 + A2DP/LE
WiFi	802.11 b/g/n [wifi4] (2.4GHz)	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Not supported	Supported
Infrared port	Supported	Supported
🧭 Sensors
	Redmi 4X (32GB)	Redmi Note 9 Pro (128GB)
Sensors	Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Redmi 4X (32GB)	Redmi Note 9 Pro (128GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	4100 mAh	5020 mAh
Charger, watts	Wired charging	30W Wired fast charging
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Redmi 4X (32GB)	Redmi Note 9 Pro (128GB)
Call control	Voice dialing, Voice recorder	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, Gold • MIUI 8 • 450nit screen • VoLTE • WiFi display, direct, hotspot	• Colors: Tropical Green, Glacier White, Interstellar Gray • 33W charger (30W phone support)
☢️ Radiation rate
	Redmi 4X (32GB)	Redmi Note 9 Pro (128GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	0.87W/kg (head), 0.71W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.66W/kg (head), 1.02W/kg (body)