Xiaomi Redmi S2 (32GB) vs Xiaomi Redmi 9 (India 128GB)

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Side by side comparison between Xiaomi Redmi S2 vs Xiaomi Redmi 9 phones, differences, pros, cons and full specifications. What's the better?

11/28/2020 6:02 PM, updated: 9/10/2022 3:36 AM

Compare Xiaomi Redmi 9 X Xiaomi Redmi S2 (32GB) 08Points

Specifications Compare Models Pictures

5.99"
IPS

720x1440

12
MP

16mp

3GB
RAM

Octa-core

3080
mAh

(Non removable)

10Points Xiaomi Redmi 9 (India 128GB) Compare Xiaomi Redmi S2 X

Specifications Compare Models Pictures

6.53"
IPS

720x1600

13
MP

5mp

4GB
RAM

Octa-core

5000
mAh

(Non removable)

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

8 Advantages Xiaomi Redmi S2 (32GB)	vs	10 Advantages Xiaomi Redmi 9 (India 128GB)
+2GHz 64bit Octa-core1% More powerful processor, you can open your applications faster	vs	2GHz 64bit Octa-core (12nm)
+170 grams (5.95 ounces)14% Lighter	vs	194 grams (6.79 ounces)
+8.1 millimeters (0.32 inches)11% Thinner	vs	9 millimeters (0.35 inches)
+(dual camera) 12MP + 5MP15% Higher resolution main camera	vs	(dual camera) 13MP + 2MP
+LED flash on both camerasAdvantage The LED flash on both cameras helps in dark places or in low light	vs	LED flash
+(front) 16MP2 times Higher resolution secondary camera to take pictures and selfies	vs	(front) 5MP
+CompassAdvantage Sensors help you use the device	vs	Not supported
+GyroscopeAdvantage Sensors help you use the device	vs	Not supported
3GB LPDDR3	vs	+4GB LPDDR4X33% More RAM memory. Typically more responsive and better for multitasking.
32GB (21GB 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
720x1440 pixels	vs	+720x1600 pixels11% Higher resolution screen
5.99"	vs	+6.53"9% Larger screen
(front) HD (1280x720)	vs	+(front) Full HD (1920x1080)125% More image quality for recording videos with the secondary camera
Android 8.1 Oreo	vs	+Android 11Advantage Android 11 is newer and safer
3080 mAh	vs	+5000 mAh62% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
4.2 + A2DP	vs	+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster
Not supported	vs	+Water repellent nano-coating (don't immerse)Advantage Protection against water allows you talk to your friends in the rain, for example

33 Common items in both devices

eMMC 5.1

Plastic body, glass front

TFT IPS LCD

16 million

269 PPI

Only digital zoom

PDAF: phase detection autofocus

+26 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 S2 (32GB)	Redmi 9 (India 128GB)
Change model		Choose the model
Model	Redmi S2 (32GB)	Redmi 9 (India 128GB)
Other model names	红米自拍手机S2, Xiaomi S2, Xiaomi Ysl	Xiaomi Redmi 9 M2006C3MII, M2004C3MI
Country or region available	(Global, International), China	India
Brand	Xiaomi	Xiaomi
Release date	5/1/2018	6/10/2020
Depth	8.1 millimeters (0.32 inches)	9 millimeters (0.35 inches)
Size (width x height)	77.26 x 160.73 millimeters (3.04 x 6.33 in)	77.07 x 164.9 millimeters (3.03 x 6.49 in)
Weight	170 grams (5.95 ounces)	194 grams (6.79 ounces)
Build, materials	Plastic body, glass front	Plastic body, glass front
Protection against water and others	Not supported	Water repellent nano-coating (don't immerse)
📲 Display
	Redmi S2 (32GB)	Redmi 9 (India 128GB)
Display type	TFT IPS LCD	TFT IPS LCD
Screen size	5.99" inches	6.53" inches
Screen-to-body ratio	~74.6% (screen-to-body ratio)	~81% (screen-to-body ratio)
Display resolution	720x1440 pixels	720x1600 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	269 PPI	269 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Not supported
Refresh rate	feature not registered	60Hz
Display features	feature not registered	400nits[typ]
🤖 Operating System
	Redmi S2 (32GB)	Redmi 9 (India 128GB)
System version	Android 7.1.2 Nougat	Android 10
Firmware update	Android 8.1 Oreo	Android 11
User Interface	feature not registered	MIUI 12
⚙️ Processor
	Redmi S2 (32GB)	Redmi 9 (India 128GB)
Chipset	64bit: Qualcomm Snapdragon 625 MSM8953 (14nm)	64bit: MediaTek Helio G80 (MT6769V/CU) (12nm)
CPU	Octa-core, 1 processor: 8x 2GHz ARM Cortex-A53 (Octa-core)	Octa-core, 2 processors: 2x 2GHz ARM Cortex-A75 (Dual-core) 6x 1.8GHz ARM Cortex-A55 (Hexa-core)
GPU graphical controller	Qualcomm Adreno 506 650Mhz	ARM Mali-G52 MC2 (950MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Redmi S2 (32GB)	Redmi 9 (India 128GB)
RAM memory	3GB LPDDR3	4GB LPDDR4X
Internal storage	32GB (21GB available) eMMC 5.1	128GB (106GB available) eMMC 5.1
External storage	Until 256GB microSD, microSDXC (dedicated slot)	Until 512GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Redmi S2 (32GB)	Redmi 9 (India 128GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)	Dual-SIM Standby - Call active on one sim card (dedicated slot)
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	300/50 Mbps	300/50 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 (China), GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	M1803E6G Global version: UMTS 850/900/1900/2100 M1803E6E, M1803E6C, M1803E6T versions: CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100	UMTS 850/900/2100
Primary 4G network	LTE Cat6 M1803E6G Global version: LTE (Bands 1,3,4,5,7,8,20) TD-LTE (Bands 38,40) M1803E6E, M1803E6C, M1803E6T versions: LTE (Bands 1,3,5,7,8) TD-LTE (Bands 34,38,39,40,41)	LTE Cat6 (1, 3, 5, 8) TD-LTE (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, TD-HSDPA, 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 850/900/2100
Secondary 4G network	Not supported	LTE Cat6 (1, 3, 5, 8) TD-LTE (40, 41) VoLTE
Secondary data network	GPRS, EDGE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A
📷 Camera
	Redmi S2 (32GB)	Redmi 9 (India 128GB)
Back camera (main camera)	(dual camera) 12 megapixels 5MP depth	(dual camera) 13 megapixels 2MP depth f/2.4
Main camera resolution	4000x3000 pixels	4128x3096 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	Full HD (1920x1080) 30 fps
Flash	LED flash on both cameras	LED flash
Focal aperture	f/2.2 (aperture)	f/2.2 (aperture)
Focal length	feature not registered	28mm (lens)
Sensor size	feature not registered	1/3.1" inches
Pixel size	1.25µm pixel	1.12µm 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	Not supported
HDR	HDR photo on both cameras	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Redmi S2 (32GB)	Redmi 9 (India 128GB)
Front camera (secondary)	16 megapixels	5 megapixels
Front camera resolution	4608x3456 pixels	2560x1920 pixels
Video recording (secondary)	HD (1280x720)	Full HD (1920x1080)
Front flash	LED	Not supported
Focal aperture	f/2.0 (aperture)	f/2.2 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	1.12µm pixel
🔉 Sound and multimedia
	Redmi S2 (32GB)	Redmi 9 (India 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, XviD, MKV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Redmi S2 (32GB)	Redmi 9 (India 128GB)
USB	MicroUSB 2.0, USB OTG On-The-Go	MicroUSB 2.0, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Micro-B USB MHL
Bluetooth	4.2 + A2DP	5.0 + A2DP/LE
WiFi	802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot	802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Not supported	Not supported
Infrared port	Supported	Not supported
🧭 Sensors
	Redmi S2 (32GB)	Redmi 9 (India 128GB)
Sensors	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor	Accelerometer Ambient light sensor Face unlock 2D Fingerprint sensor (rear-mounted) Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Redmi S2 (32GB)	Redmi 9 (India 128GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3080 mAh	5000 mAh
Charger, watts	10W (5V/2A) Wired charging	10W (5V/2A) Wired 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 S2 (32GB)	Redmi 9 (India 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: Gray, Gold, Rose Gold, Blue, Black • MIUI 10 • 18:9 screen	• Colors: Black, Sky Blue, Sporty Orange
☢️ Radiation rate
	Redmi S2 (32GB)	Redmi 9 (India 128GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	0.51W/kg (head), 0.83W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered