Skip to content

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

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

,
Compare Xiaomi Redmi S2 XXiaomi Redmi 9 Prime (128GB)16Points
Xiaomi Redmi 9 Prime (128GB)
6.53"
IPS

1080x2340

13
MP

8mp

4GB
RAM

64bit Octa

5020
mAh

(Non removable)

vs
Xiaomi Redmi S2 (32GB)
5.99"
IPS

720x1440

12
MP

16mp

3GB
RAM

64bit Octa

3080
mAh

(Non removable)

What's the better phone? Xiaomi Redmi 9 Prime (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 9 Prime (128GB)16 Advantages Xiaomi Redmi 9 Prime (128GB)vsRedmi S2 (32GB)6 Advantages Xiaomi Redmi S2 (32GB)
+4GB LPDDR4X33%
More RAM memory. Typically more responsive and better for multitasking.
vs3GB LPDDR3
+128GB (106GB available)4 times
More internal storage for applications and files
vs32GB (21GB available)
+Until 512GB microSD, microSDXC100%
More external storage for files using memory cards
vsUntil 256GB microSD, microSDXC
+1080x2340 pixels144%
Higher resolution screen
vs720x1440 pixels
+395 PPI47%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs269 PPI
+6.53"9%
Larger screen
vs5.99"
+(quad camera) 13MP + 8MP + 5MP + 2MP63%
Higher resolution main camera
vs(dual camera) 12MP + 5MP
+(front) Full HD (1920x1080)125%
More image quality for recording videos with the secondary camera
vs(front) HD (1280x720)
+Android 10Advantage
Android 10 is newer and safer
vsAndroid 8.1 Oreo
+5020 mAh63%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs3080 mAh
+18W80%
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.
vs10W
+802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMOAdvantage
WiFi 802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO is newer and faster
vs802.11 b/g/n (2.4Ghz)
+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
vs4.2 + A2DP
+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
vsMicroUSB 2.0, USB OTG On-The-Go
+Gorilla Glass 3Advantage
Protection against scratches on the screen lets you carry your phone with your keys
vsNot supported
+Water repellent nano-coating (don't immerse)Advantage
Protection against water allows you talk to your friends in the rain, for example
vsNot supported
2GHz 64bit Octa-Corevs+2GHz 64bit Octa-Core1%
More powerful processor, you can open your applications faster
198 grams (6.93 ounces)vs+170 grams (5.95 ounces)16%
Lighter
9.1 millimeters (0.36 inches)vs+8.1 millimeters (0.32 inches)12%
Thinner
LED flashvs+LED flash on both camerasAdvantage
The LED flash on both cameras helps in dark places or in low light
(front) 8MPvs+(front) 16MP99%
Higher resolution secondary camera to take pictures and selfies
Not supportedvs+GyroscopeAdvantage
Sensors help you use the device

31 Common items in both devices
eMMC 5.1
Plastic body, glass front
TFT IPS LCD
16 million
Only digital zoom
PDAF: phase detection autofocus
EIS: Digital stabilization
+24 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differencesClear highlight

📱 Model features

Xiaomi Redmi 9 Prime (128GB)Xiaomi Redmi S2 (32GB)
ModelRedmi 9 Prime (128GB)Redmi S2 (32GB)
Other model namesXiaomi Redmi 9 Prime (M2004J19PI)红米自拍手机S2, Xiaomi S2, Xiaomi Ysl
Country or region availableIndia
India
(Global, International)China
(Global, International), China
BrandXiaomiXiaomi
Release date8/4/20205/1/2018
Depth9.1 millimeters (0.36 inches)8.1 millimeters (0.32 inches)
Size (width x height)77.01 x 163.32 millimeters (3.03 x 6.43 in)77.26 x 160.73 millimeters (3.04 x 6.33 in)
Weight198 grams (6.93 ounces)170 grams (5.95 ounces)
Build, materialsPlastic body, glass frontPlastic body, glass front
Protection against water and othersWater repellent nano-coating (don't immerse)Not supported

🤖 Operating System

Xiaomi Redmi 9 Prime (128GB)Xiaomi Redmi S2 (32GB)
System versionAndroid 10Android 7.1.2 Nougat
Firmware updatefeature not registeredAndroid 8.1 Oreo
User Interfacefeature not registeredfeature not registered

⚙️ Processor

Xiaomi Redmi 9 Prime (128GB)Xiaomi Redmi S2 (32GB)
Chipset64bit - MediaTek Helio G80 (MT6769V) (12nm)64bit - Qualcomm Snapdragon 625 MSM8953 (14nm)
CPUOcta-Core, 2 processors:
2GHz Dual-Core ARM Cortex-A75
1.8GHz Hexa-Core ARM Cortex-A55
Octa-Core, 1 processor:
2GHz Octa-Core ARM Cortex-A53
GPU graphical controllerARM Mali-G52 MC2 (950MHz)Qualcomm Adreno 506 650Mhz
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Xiaomi Redmi 9 Prime (128GB)Xiaomi Redmi S2 (32GB)
RAM memory4GB LPDDR4X3GB LPDDR3
Internal storage128GB (106GB available)
eMMC 5.1
32GB (21GB available)
eMMC 5.1
External storageUntil 512GB microSD, microSDXC
(dedicated slot)
Until 256GB microSD, microSDXC
(dedicated slot)

📲 Display

Xiaomi Redmi 9 Prime (128GB)Xiaomi Redmi S2 (32GB)
Display typeTFT IPS LCDTFT IPS LCD
Screen size6.53" inches5.99" inches
Screen-to-body ratio~83.2% (screen-to-body ratio)~74.6% (screen-to-body ratio)
Display resolution1080x2340 pixels (19.5:9)720x1440 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)395 PPI269 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 3Not supported
Display features60Hz, 400nits[typ]feature not registered

📶 Mobile networks

Xiaomi Redmi 9 Prime (128GB)Xiaomi Redmi S2 (32GB)
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
Dual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum download/upload300/50 Mbps300/50 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bandsExpand band detailsCollapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900CDMA 800 (China), GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/1900/2100M1803E6G Global version:
UMTS 850/900/1900/2100
M1803E6E, M1803E6C, M1803E6T versions:
CDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 850/900/1900/2100
Primary 4G networkLTE Cat6 (1, 3, 5, 8)
TD-LTE (40, 41)
VoLTE
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)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, 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 networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGEGPRS, EDGE

📷 Camera

Xiaomi Redmi 9 Prime (128GB)Xiaomi Redmi S2 (32GB)
Back camera (main camera)(quad camera)
13 megapixels
8MP ultrawidef/2.2118°1/4.0"1.12µm
5MP macrof/2.4
2MP depthf/2.4
(dual camera)
12 megapixels
5MP depth
Main camera resolution4128x3096 pixels4000x3000 pixels
Video recording (primary)Full HD (1920x1080) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED flash on both cameras
Focal aperturef/2.2 (aperture)f/2.2 (aperture)
Focal length28mm lensfeature not registered
Sensor size1/3.1" inchesfeature not registered
Pixel size1.12µm pixel1.25µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedNot supported
HDRHDR photo on both camerasHDR photo on both cameras
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Xiaomi Redmi 9 Prime (128GB)Xiaomi Redmi S2 (32GB)
Front camera (secondary)8 megapixels16 megapixels
Front camera resolution3264x2448 pixels4608x3456 pixels
Video recording (secondary)Full HD (1920x1080)HD (1280x720)
Front flashNot supportedLED
Focal aperturef/2.0 (aperture)f/2.0 (aperture)
Focal length27mm lensfeature not registered
Sensor size1/4" inchesfeature not registered
Pixel size1.12µm pixelfeature not registered

🔉 Sound and multimedia

Xiaomi Redmi 9 Prime (128GB)Xiaomi Redmi S2 (32GB)
LoudspeakerSupportedSupported
Active noise cancellation2 microphones or more2 microphones or more
RadioFMFM
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Xiaomi Redmi 9 Prime (128GB)Xiaomi Redmi S2 (32GB)
USBUSB 2.0 Type-C, USB OTG On-The-GoMicroUSB 2.0, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputUSB Type-C (reversible)Not supported
Bluetooth5.0 + A2DP/LE4.2 + A2DP
WiFi802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO
WiFi Direct, hotspot
802.11 b/g/n (2.4Ghz)
WiFi Direct, hotspot
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASS, BeiDouA-GPS, GeoTagging, GLONASS, BeiDou
NFCNot supportedNot supported
Infrared portSupportedSupported

🧭 Sensors

Xiaomi Redmi 9 Prime (128GB)Xiaomi Redmi S2 (32GB)
SensorsAccelerometer
Ambient Light sensor
Compass
Face unlock
Fingerprint sensor (rear-mounted)
Proximity sensor
Accelerometer
Ambient Light sensor
Compass
Face unlock
Fingerprint sensor (rear-mounted)
Gyroscope
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Xiaomi Redmi 9 Prime (128GB)Xiaomi Redmi S2 (32GB)
Battery typeLiPo: Li-Ion polymer (Non removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity5020 mAh3080 mAh
Charger, watts18W Fast battery charging10W (5V/2A) Standard charging
Talk time autonomy31 hours (1.3 days)feature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

Xiaomi Redmi 9 Prime (128GB)Xiaomi Redmi S2 (32GB)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), 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: Space Blue, Mint Green, Matte Black, Sunrise Flare
- MIUI 11
- 10W charger included
- Colors: Gray, Gold, Rose Gold, Blue, Black
- MIUI 10
- 18:9 screen

☢️ Radiation rate

Xiaomi Redmi 9 Prime (128GB)Xiaomi Redmi S2 (32GB)
SAR 1.6W/kg (USA, Mexico, etc.)0.85W/kg (head), 0.42W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
X

We use cookies to provide and improve our services. By using our site, you consent to cookies. See more details: Privacy policy.