Xiaomi Redmi Note 9 (128GB/4GB) vs Apple iPhone 4 (16GB)

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

8/4/2020 2:52 PM, updated: 9/27/2024 4:44 AM

Compare Apple iPhone 4 X Xiaomi Redmi Note 9 (128GB/4GB) 31Points

Specifications Compare Models Pictures

6.53"
IPS

1080x2340

48
MP

13mp

4GB
RAM

Octa-core

5020
mAh

(Non removable)

03Points Apple iPhone 4 (16GB) Compare Xiaomi Redmi Note 9 X

Specifications Compare Models Pictures

3.5"
IPS

640x960

5
MP

0.3mp

512MB
RAM

Single-core

1420
mAh

(Non removable)

What's the better phone? Xiaomi Redmi Note 9 (128GB/4GB)

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!

31 Advantages Xiaomi Redmi Note 9 (128GB/4GB)	vs	3 Advantages Apple iPhone 4 (16GB)
+2GHz 64bit Octa-core (12nm)3 times More powerful processor, you can open your applications faster	vs	1GHz 32bit Single-core (45nm)
+4GB LPDDR4X7 times More RAM memory. Typically more responsive and better for multitasking.	vs	512MB LPDDR
+128GB (106GB available)7 times More internal storage for applications and files	vs	16GB (14GB available)
+eMMC 5.1Advantage Fastest write and read storage.	vs	Flash (EEPROM)
+Until 512GB microSD, microSDXCAdvantage More external storage for files using memory cards	vs	Not supported
+8.9 millimeters (0.35 inches)4% Thinner	vs	9.3 millimeters (0.37 inches)
+1080x2340 pixels3 times Higher resolution screen	vs	640x960 pixels
+395 PPI20% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	330 PPI
+6.53"87% Larger screen	vs	3.5"
+(quad camera) 48MP + 8MP + 2MP + 2MP11 times Higher resolution main camera	vs	(back) 5MP
+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas	vs	HDR photo only main camera
+1/2" inches60% The larger sensor camera lets you take photos with better depth.	vs	1/3.2" inches
+f/1.8 (aperture)56% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/2.8 (aperture)
+(front) 13MP41 times Higher resolution secondary camera to take pictures and selfies	vs	(front) 0.3MP
+Full HD (1920x1080)125% More image quality for recording videos with the primary camera	vs	HD (1280x720)
+(front) Full HD (1920x1080)5 times More image quality for recording videos with the secondary camera	vs	(front) VGA (720x480)
+3500000 apps (Google Play Store)52% More apps available to download and use	vs	2300000 apps (App Store)
+4G LTE-AAdvantage The 4G LTE-A network is newer and faster	vs	3G HSUPA
+(4G LTE-A) 300 Mbps41 times Faster for surfing the internet and download files	vs	(3G HSUPA) 7.2 Mbps
+Ambient light sensorAdvantage Sensors help you use the device	vs	Not supported
+Face unlock 2DAdvantage Sensors help you use the device	vs	Not supported
+Fingerprint sensor (rear-mounted)Advantage Sensors help you use the device	vs	Not supported
+5020 mAh3 times Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	1420 mAh
+18W3 times 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.	vs	5W
+2 slots (Dual-SIM) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.	vs	1 slot (Single-SIM)
+Active noise cancellationAdvantage More noise-canceling microphones allow for better quality in calls and audio for recorded videos	vs	Not supported
+FMAdvantage The radio lets you listen to your songs and sports in general	vs	Not supported
+802.11 a/b/g/n/ac [wifi5]Advantage WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster	vs	802.11 b/g/n [wifi4]
+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster	vs	2.1 + A2DP
+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.	vs	USB 2.0 proprietary connector
+Water repellent nano-coating (don't immerse)Advantage Protection against water allows you talk to your friends in the rain, for example	vs	Not supported
199 grams (6.97 ounces)	vs	+137 grams (4.8 ounces)45% Lighter
Plastic body, glass front	vs	+Stainless steel body, glass front/backAdvantage More resistant material
TFT IPS LCD	vs	+TFT LED-Backlit IPS LCDAdvantage TFT LED-Backlit IPS LCD display is brighter and more vivid

23 Common items in both devices

60Hz

16 million

LED flash

Only digital zoom

PDAF: phase detection autofocus / Autofocus

EIS: Digital stabilization

BSI sensor

+16 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 9 (128GB/4GB)	iPhone 4 (16GB)
Change model		Choose the model
Model	Redmi Note 9 (128GB/4GB)	iPhone 4 (16GB)
Other model names	Mi Redmi Note 9 CX296VRD, CX296CIN, M2003J15SS/2003J15SC	iPhone 4
Country or region available	Brazil, China, India	(Global, International)
Brand	Xiaomi	Apple
Release date	5/12/2020, Announced: 4/30/2020	6/1/2010
Depth	8.9 millimeters (0.35 inches)	9.3 millimeters (0.37 inches)
Size (width x height)	77.2 x 162.3 millimeters (3.04 x 6.39 in)	58.66 x 115.2 millimeters (2.31 x 4.54 in)
Weight	199 grams (6.97 ounces)	137 grams (4.8 ounces)
Build, materials	Plastic body, glass front	Stainless steel body, glass front/back
Protection against water and others	Water repellent nano-coating (don't immerse)	Not supported
📲 Display
	Redmi Note 9 (128GB/4GB)	iPhone 4 (16GB)
Display type	TFT IPS LCD	TFT LED-Backlit IPS LCD
Screen size	6.53" inches	3.5" inches
Screen-to-body ratio	~83.5% (screen-to-body ratio)	~54% (screen-to-body ratio)
Display resolution	1080x2340 pixels (19.5:9)	640x960 pixels (3:2)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch 5-points
Pixel density (dot pitch)	395 PPI	330 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 5	Gorilla Glass
Refresh rate	60Hz	60Hz
Display features	450nits[typ]	Not supported
🤖 Operating System
	Redmi Note 9 (128GB/4GB)	iPhone 4 (16GB)
System version	Android 10	iOS 4.0
Firmware update	Android 11	iOS 7.0
User Interface	MIUI 11 / 12	feature not registered
⚙️ Processor
	Redmi Note 9 (128GB/4GB)	iPhone 4 (16GB)
Chipset	64bit: MediaTek Helio G85 (12nm)	32bit: Apple A4 (45nm)
CPU	Octa-core, 2 processors: 2x 2GHz ARM-Cortex-A75 (Dual-core) 6x 1.8GHz ARM-Cortex-A55 (Hexa-core)	Single-core, 1 processor: 1x 1GHz ARM Cortex-A8 (Single-core)
GPU graphical controller	ARM Mali-G52 MC2 (1GHz)	PowerVR SGX535
Performance (benchmark)	AnTuTu: 200451 (v8) Geekbench: 1292 (v5.1)	feature not registered
💽 Memory and storage
	Redmi Note 9 (128GB/4GB)	iPhone 4 (16GB)
RAM memory	4GB LPDDR4X	512MB LPDDR
Internal storage	128GB (106GB available) eMMC 5.1	16GB (14GB available) Flash (EEPROM)
External storage	Until 512GB microSD, microSDXC (dedicated slot)	Not supported
📶 Mobile networks
	Redmi Note 9 (128GB/4GB)	iPhone 4 (16GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)	Not supported
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	1 slot (Single-SIM) micro-SIM (3FF)
Maximum Download / Upload	300/150 Mbps	7.2/5.76 Mbps
Network technology	2G, 3G, 4G	2G, 3G
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	UMTS 850/900/1700/1900/2100	UMTS 850/900/1900/2100
Primary 4G network	LTE Cat7 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE	Not supported
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	CSD, GPRS, EDGE, UMTS, HSDPA, HSUPA
Secondary 2G network	GSM 850/900/1800/1900	Not supported
Secondary 3G network	UMTS 850/900/1700/1900/2100	Not supported
Secondary 4G network	LTE Cat7 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE	Not supported
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	Not supported
📷 Camera
	Redmi Note 9 (128GB/4GB)	iPhone 4 (16GB)
Back camera (main camera)	(quad camera) 48 megapixels 8MP ultrawide f/2.213mm1/4"1.12µm118° 2MP macro f/2.41.75µmAF 2MP depth f/2.41/5"1.7µm	5 megapixels
Main camera resolution	8000x6000 pixels	2592x1936 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	HD (1280x720) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/2.8 (aperture)
Focal length	26mm (lens)	feature not registered
Sensor size	1/2" inches	1/3.2" inches
Pixel size	0.8µm pixel	1.75µm pixel
Autofocus	PDAF: phase detection autofocus	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	Supported	Supported
HDR	HDR photo on both cameras	HDR photo only main camera
Camera extras	feature not registered	feature not registered
📸 Front camera
	Redmi Note 9 (128GB/4GB)	iPhone 4 (16GB)
Front camera (secondary)	13 megapixels	0.3 megapixels
Front camera resolution	4128x3096 pixels	640x480 pixels
Video recording (secondary)	Full HD (1920x1080)	VGA (720x480)
Front flash	Not supported	Not supported
Focal aperture	f/2.3 (aperture)	feature not registered
Focal length	29mm (lens)	feature not registered
Sensor size	1/3.06" inches	feature not registered
Pixel size	1.12µm pixel	feature not registered
🔉 Sound and multimedia
	Redmi Note 9 (128GB/4GB)	iPhone 4 (16GB)
Loudspeaker	Mono sound (not stereo)	Mono sound (not stereo)
Active noise cancellation	2 microphones or more	1 microphone
Radio	FM	Not supported
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MPEG4
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, iTunes
🔌 Connectivity
	Redmi Note 9 (128GB/4GB)	iPhone 4 (16GB)
USB	USB 2.0 Type-C, USB OTG On-The-Go	USB 2.0 proprietary connector
Audio output	3.5mm jack	3.5mm jack
TV output	USB Type-C (reversible)	Proprietary TV-out
Bluetooth	5.0 + A2DP/LE	2.1 + A2DP
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 b/g/n [wifi4] (2.4GHz) WiFi hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou	A-GPS, GeoTagging
NFC	Not supported	Not supported
Infrared port	Supported	Not supported
🧭 Sensors
	Redmi Note 9 (128GB/4GB)	iPhone 4 (16GB)
Sensors	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor	Accelerometer Compass Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Redmi Note 9 (128GB/4GB)	iPhone 4 (16GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	5020 mAh	1420 mAh
Charger, watts	18W Wired fast charging 9W Reverse charging by cable	5W (5V/1A) Wired charging
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	33 hours (1.4 days)	12 hours
Standby	feature not registered	300 hours (12.5 days)
➕ Other features
	Redmi Note 9 (128GB/4GB)	iPhone 4 (16GB)
Call control	Voice dialing, Voice recorder, Voice commands	Voice dialing, Voice recorder, Voice commands
Messaging	SMS (T9), MMS, E-mail, Push mail	SMS, MMS, E-mail, Push mail
Hands-free calling	Supported	Supported
Video calling	Supported	Supported
Ringtones	Polyphonic and customized	Polyphonic and customized with tutorial
Web browser	HTML, XHTML, HTML5	HTML, XHTML, HTML5
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Forest Green, Midnight Grey, Polar White • 22.5W charger (18W phone support)	• Colors: Black, White • Videocalling over Wi-Fi only • iCloud service
☢️ Radiation rate
	Redmi Note 9 (128GB/4GB)	iPhone 4 (16GB)
SAR 1.6W/kg (USA, Mexico, etc.)	0.84W/kg (head), 0.9W/kg (body)	1.17W/kg (head), 1.11W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	0.8W/kg (head), 1.14W/kg (body)	0.93W/kg (head), 0.74W/kg (body)