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Samsung Galaxy S2 Plus (GT-i9105) vs Xiaomi Redmi 9A (128GB/6GB)

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

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Compare Xiaomi Redmi 9A XSamsung Galaxy S2 Plus (GT-i9105)07Points
Samsung Galaxy S2 Plus (GT-i9105)
4.3"
AMOLED

480x800

8
MP

2mp

1GB
RAM

32bit Dual

1650
mAh

(Removable)

vs
18PointsXiaomi Redmi 9A (128GB/6GB)Compare Samsung Galaxy S2 Plus X
Xiaomi Redmi 9A (128GB/6GB)
6.53"
IPS

720x1600

13
MP

5mp

6GB
RAM

64bit Octa

5000
mAh

(Non removable)

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

Galaxy S2 Plus (GT-i9105)7 Advantages Samsung Galaxy S2 Plus (GT-i9105)vsRedmi 9A (128GB/6GB)18 Advantages Xiaomi Redmi 9A (128GB/6GB)
+121 grams (4.24 ounces)60%
Lighter
vs194 grams (6.79 ounces)
+8.5 millimeters (0.33 inches)6%
Thinner
vs9 millimeters (0.35 inches)
+Super AMOLED PlusAdvantage
Super AMOLED Plus display is brighter and more vivid
vsTFT IPS LCD
+CompassAdvantage
Sensors help you use the device
vsNot supported
+GyroscopeAdvantage
Sensors help you use the device
vsNot supported
+Li-Ion: Lithium-Ion (Removable)Advantage
Removable battery can be replaced easily
vsLiPo: Li-Ion polymer (Non removable)
+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
vsNot supported
1.2Ghz 32bit Dual-Corevs+2Ghz 64bit Octa-Core195%
More powerful processor, you can open your applications faster
1GB LPDDR2vs+6GB LPDDR4X5 times
More RAM memory. Typically more responsive and better for multitasking.
8GB (5GB available)vs+128GB (106GB available)20 times
More internal storage for applications and files
Until 64GB microSD, microSDXCvs+Until 512GB microSD, microSDXC7 times
More external storage for files using memory cards
480x800 pixelsvs+720x1600 pixels2 times
Higher resolution screen
217 PPIvs+269 PPI24%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
4.3"vs+6.53"52%
Larger screen
(back) 8MPvs+(back) 13MP60%
Higher resolution main camera
Not supportedvs+HDR photo on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
f/2.6 (aperture)vs+f/2.2 (aperture)18%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 2MPvs+(front) 5MP156%
Higher resolution secondary camera to take pictures and selfies
Android 4.2.2 Jelly Beanvs+Android 10Advantage
Android 10 is newer and safer
3G+ HSPA+vs+4G+ LTE-AAdvantage
The 4G+ LTE-A network is newer and faster
(3G+ HSPA+) 21 Mbpsvs+(4G+ LTE-A) 300 Mbps13 times
Faster for surfing the internet and download files
Not supportedvs+Face unlockAdvantage
Sensors help you use the device
1650 mAhvs+5000 mAh2 times
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
1 slot (Single-SIM)
(dedicated slot)
vs+2 slots (Dual-SIM)
(dedicated slot)Advantage
It's more advantageous to have more than one phone operator in the same device
3.0 + A2DPvs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster

21 Common items in both devices
16 million
LED flash
Only digital zoom
Autofocus / PDAF: phase detection autofocus
EIS: Digital stabilization
Full HD (1920x1080)
Capacitive
+14 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
Physical featuresSamsung Galaxy S2 Plus (GT-i9105)Xiaomi Redmi 9A (128GB/6GB)
ModelGalaxy S2 Plus (GT-i9105)Redmi 9A (128GB/6GB)
Other model namesSamsung Galaxy S ii Plus i9105, Samsung GT-i9105Xiaomi Redmi 9A M2006C3LG, M2006C3LI
Country or region availablefeature not registeredChina
China
BrandSamsungXiaomi
Release dateFebruary, 2013June, 2020
Depth8.5 millimeters (0.33 inches)9 millimeters (0.35 inches)
Size (width x height)66.1 x 125.3 millimeters (2.6 x 4.93 in)77.07 x 164.9 millimeters (3.03 x 6.49 in)
Weight121 grams (4.24 ounces)194 grams (6.79 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsfeature not registeredPlastic body, glass front
Protection against water and othersNot supportedNot supported
System (OS)Samsung Galaxy S2 Plus (GT-i9105)Xiaomi Redmi 9A (128GB/6GB)
Operating systemAndroid 4.1.2 Jelly BeanAndroid 10
Firmware updateAndroid 4.2.2 Jelly Beanfeature not registered
HardwareSamsung Galaxy S2 Plus (GT-i9105)Xiaomi Redmi 9A (128GB/6GB)
Chipset32bit - Broadcom BCM28155 (40nm)64bit - MediaTek Helio G25 (12nm)
CPU processor1.2Ghz Dual-Core ARM Cortex-A9Octa-Core, 2 processors:
2Ghz Quad-Core ARM Cortex-A53
1.5Ghz Quad-Core ARM Cortex-A53
GPU graphical controllerBroadcom VideoCore IVPowerVR GE8320 650Mhz
RAM memory1GB LPDDR26GB LPDDR4X
Internal storage8GB (5GB available)128GB (106GB available)
eMMC 5.1
External storageUntil 64GB microSD, microSDXC
(dedicated slot)
Until 512GB microSD, microSDXC
(dedicated slot)
DisplaySamsung Galaxy S2 Plus (GT-i9105)Xiaomi Redmi 9A (128GB/6GB)
Display typeSuper AMOLED PlusTFT IPS LCD
Screen size4.3" inches6.53" inches
Screen-to-body ratio~63.5% (screen-to-body ratio)~81% (screen-to-body ratio)
Display resolution480x800 pixels720x1600 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)217 PPI269 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedNot supported
Display featuresfeature not registered60Hz, 400 nits
Mobile networksSamsung Galaxy S2 Plus (GT-i9105)Xiaomi Redmi 9A (128GB/6GB)
Dual-SIMNot supportedDual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card1 slot (Single-SIM)
Standard mini-SIM (2FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum download/upload21/5.76 Mbps300/50 Mbps
Network technology2G, 3G2G, 3G, 4G
Frequency, bandsExpand band detailsCollapse details
GSM Mhz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/1900/2100UMTS 850/900/1700/1900/2100
Primary 4G networkNot supportedLTE Cat6 (1, 2 ,3, 4, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41)
VoLTE
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkNot supportedGSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedGPRS, EDGE
CallingSamsung Galaxy S2 Plus (GT-i9105)Xiaomi Redmi 9A (128GB/6GB)
MessagingSMS (Swype), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
SpeakerphoneSupportedSupported
Video callingSupportedSupported
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder, Voice commands
CameraSamsung Galaxy S2 Plus (GT-i9105)Xiaomi Redmi 9A (128GB/6GB)
Back camera (main camera)8 megapixels13 megapixels
Main camera resolution3264x2448 pixels4128x3096 pixels
Video recording (primary)Full HD (1920x1080) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED flash
Focal aperturef/2.6 (aperture)f/2.2 (aperture)
Focal lengthfeature not registered28mm lens
Sensor size1/3.2" inchesfeature not registered
Pixel sizefeature not registered1µm pixel
AutofocusAutofocusPDAF: 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
HDRNot supportedHDR photo on both cameras
2ª cameraSamsung Galaxy S2 Plus (GT-i9105)Xiaomi Redmi 9A (128GB/6GB)
Front camera (secondary)2 megapixels5 megapixels
Front camera resolution1600x1200 pixels2560x1920 pixels
Video recording (secondary)Not supportedFull HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturefeature not registeredf/2.2 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registered1.12µm pixel
MultimediaSamsung Galaxy S2 Plus (GT-i9105)Xiaomi Redmi 9A (128GB/6GB)
RadioFM (RDS)FM
TVNot supportedNot supported
Video formatsMP4, H.264, H.263, DivX, XviD, WMVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, eAAC+, AC3, FLACMP3, WAV, WMA, eAAC+, FLAC
ConnectivitySamsung Galaxy S2 Plus (GT-i9105)Xiaomi Redmi 9A (128GB/6GB)
USBMicroUSB 2.0MicroUSB 2.0, USB OTG On-The-Go
TV outputMicro-B USB MHLMicro-B USB SlimPort
Audio output3.5mm jack3.5mm jack
Bluetooth3.0 + A2DP5.0 + A2DP/LE
WiFi802.11 a/b/g/n (2.4Ghz, 5Ghz) + MIMO802.11 b/g/n (2.4Ghz)
DLNASupportedNot supported
NFCNot supportedNot supported
GPSA-GPS, GeoTagging, GLONASSA-GPS, GeoTagging, GLONASS, BeiDou
Infrared portNot supportedNot supported
Other functionsSamsung Galaxy S2 Plus (GT-i9105)Xiaomi Redmi 9A (128GB/6GB)
Active noise cancellationSupportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
SensorsAccelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Accelerometer
Proximity sensor
Ambient Light sensor
Face unlock
Other features- Colors: Chic White, Dark Blue
- Samsung TouchWiz UI 5.0
- WiFi direct, hotspot
- Colors: Carbon Gray, Sky Blue, Ocean Green
- MIUI 12
- WiFi direct, hotspot
Power supplySamsung Galaxy S2 Plus (GT-i9105)Xiaomi Redmi 9A (128GB/6GB)
BatteryLi-Ion: Lithium-Ion (Removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity1650 mAh5000 mAh
Charger, watts Standard charging10W (5V/2A) Standard charging
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered
Radiation rateSamsung Galaxy S2 Plus (GT-i9105)Xiaomi Redmi 9A (128GB/6GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered0.9W/kg (head) | 0.65W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registered0.4W/kg (head) | 1.19W/kg (body)
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