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Samsung Galaxy S3 Slim Duos (SM-G3812B) vs Xiaomi Redmi Note 12 Pro 4G (Global 128GB/6GB)

Side by side comparison between Samsung Galaxy S3 Slim vs Xiaomi Redmi Note 12 Pro 4G phones, differences, pros, cons and full specifications. What's the better?

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Compare Xiaomi Redmi Note 12 Pro 4G X Samsung Galaxy S3 Slim Duos (SM-G3812B) 04Points
4.5"
TFT

540x960

5
MP

0.3mp

1GB
RAM

Quad-core

2100
mAh

(Removable)

vs
25Points Xiaomi Redmi Note 12 Pro 4G (Global 128GB/6GB) Compare Samsung Galaxy S3 Slim X
6.67"
AMOLED

1080x2400

108
MP

16mp

6GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Xiaomi Redmi Note 12 Pro 4G (Global 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 S3 Slim Duos (SM-G3812B)} 4 Advantages Samsung Galaxy S3 Slim Duos (SM-G3812B) vs Redmi Note 12 Pro 4G (Global 128GB/6GB)} 25 Advantages Xiaomi Redmi Note 12 Pro 4G (Global 128GB/6GB)
+139 grams (4.87 ounces)45%
Lighter
vs202 grams (7.07 ounces)
+Li-Ion: lithium-ion (Removable)Advantage
Removable battery can be replaced easily
vsLiPo: li-ion polymer (Non removable)
+2 slots (Dual-SIM)
(dedicated slot)Advantage
You can have more mobile carriers/operators on the same device.
vs2 slots (Dual-SIM)
(hybrid slot/shares the same microSD slot)
+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
vsNot supported
1.2GHz 32bit Quad-corevs+2.3GHz 64bit Octa-core (8nm)156%
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 (101GB available)19 times
More internal storage for applications and files
Until 32GB microSD, microSDHCvs+Until 1TB microSD, microSDXC31 times
More external storage for files using memory cards
9.7 millimeters (0.38 inches)vs+8.1 millimeters (0.32 inches)20%
Thinner
TFT LCDvs+AMOLEDAdvantage
AMOLED display is brighter and more vivid
540x960 pixelsvs+1080x2400 pixels4 times
Higher resolution screen
245 PPIvs+395 PPI61%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
4.5"vs+6.67"48%
Larger screen
(back) 5MPvs+(quad camera) 108MP + 8MP + 2MP + 2MP23 times
Higher resolution main camera
HDR photo only main cameravs+HDR photo on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
(front) 0.3MPvs+(front) 16MP51 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
(front) VGA (640x480)vs+(front) Full HD (1920x1080)6 times
More image quality for recording videos with the secondary camera
Android 4.2.2 Jelly Beanvs+Android 12Advantage
Android 12 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) 800 Mbps37 times
Faster for surfing the internet and download files
Not supportedvs+Face unlockAdvantage
Sensors help you use the device
Not supportedvs+Fingerprint sensor (side-mounted)Advantage
Sensors help you use the device
Not supportedvs+GyroscopeAdvantage
Sensors help you use the device
2100 mAhvs+5000 mAh138%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
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
4.0 + A2DPvs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
Not supportedvs+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
MicroUSB 2.0vs+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.

17 Common items in both devices
Plastic body, glass front
16 million
LED flash
Only digital zoom
Autofocus / PDAF: phase detection autofocus
EIS: Digital stabilization
Capacitive
+10 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 Clear highlight

๐Ÿ“ฑ Model features

Galaxy S3 Slim Duos (SM-G3812B)Redmi Note 12 Pro 4G (Global 128GB/6GB)
Change model 
ModelGalaxy S3 Slim Duos (SM-G3812B)Redmi Note 12 Pro 4G (Global 128GB/6GB)
Other model namesGalaxy S3 Slim G3812B, Samsung Galaxy Win ProRedmi Note 12 Pro 4G 2209116AG
Country or region availableBrazil
Brazil
(Global, International)
(Global, International)
BrandSamsungXiaomi
Release date3/1/20144/11/2023, Announced: 3/3/2023
Depth9.7 millimeters (0.38 inches)8.1 millimeters (0.32 inches)
Size (width x height)66 x 133 millimeters (2.6 x 5.24 in)76.1 x 164.2 millimeters (3 x 6.46 in)
Weight139 grams (4.87 ounces)202 grams (7.07 ounces)
Build, materialsPlastic body, glass frontPlastic body, glass front
Protection against water and othersNot supportedNot supported

๐Ÿ“ฒ Display

Galaxy S3 Slim Duos (SM-G3812B)Redmi Note 12 Pro 4G (Global 128GB/6GB)
Display typeTFT LCDAMOLED
Screen size4.5" inches6.67" inches
Screen-to-body ratio~63.6% (screen-to-body ratio)~86% (screen-to-body ratio)
Display resolution540x960 pixels1080x2400 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch 10-points
Pixel density (dot pitch)245 PPI395 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedNot supported
Refresh ratefeature not registered120Hz
Display featuresfeature not registered700nits[typ], 1100nits[peak]
Dolby Vision

๐Ÿค– Operating System

Galaxy S3 Slim Duos (SM-G3812B)Redmi Note 12 Pro 4G (Global 128GB/6GB)
System versionAndroid 4.2.2 Jelly BeanAndroid 11
Firmware updatefeature not registeredAndroid 12
User Interfacefeature not registeredMIUI 13 / 14

โš™๏ธ Processor

Galaxy S3 Slim Duos (SM-G3812B)Redmi Note 12 Pro 4G (Global 128GB/6GB)
Chipset32bit: Qualcomm Snapdragon 200 MSM8225Q64bit: Qualcomm Snapdragon 732G (SM7150-AC) (8nm)
CPUQuad-core, 1 processor:
4x 1.2GHz ARM Cortex-A5 (Quad-core)
Octa-core, 2 processors:
2x 2.3GHz Kryo 470 Gold (Dual-core)
6x 1.8GHz Kryo 470 Silver (Hexa-core)
GPU graphical controllerQualcomm Adreno 203Qualcomm Adreno 618
Performance (benchmark)feature not registeredAnTuTu: 354872 (v9)

๐Ÿ’ฝ Memory and storage

Galaxy S3 Slim Duos (SM-G3812B)Redmi Note 12 Pro 4G (Global 128GB/6GB)
RAM memory1GB LPDDR26GB LPDDR4X
Internal storage8GB (5GB available)128GB (101GB available)
UFS 2.2
External storageUntil 32GB microSD, microSDHC
(dedicated slot)
Until 1TB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)

๐Ÿ“ถ Mobile networks

Galaxy S3 Slim Duos (SM-G3812B)Redmi Note 12 Pro 4G (Global 128GB/6GB)
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
Dual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot)
SIM card2 slots (Dual-SIM)
micro-SIM (3FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload21/5.76 Mbps800/150 Mbps
Network technology2G, 3G2G, 3G, 4G
Frequency, bands Expand band details Collapse 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 850/1900/2100UMTS 850/900/1700/1900/2100
Primary 4G networkNot supportedLTE Cat15 (1, 2, 3, 4, 5, 7, 8, 20, 28, 66)
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 networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkNot supportedUMTS 850/900/1700/1900/2100
Secondary 4G networkNot supportedLTE Cat15 (1, 2, 3, 4, 5, 7, 8, 20, 28, 66)
TD-LTE (38, 40, 41)
VoLTE
Secondary data networkGPRS, EDGEGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A

๐Ÿ“ท Camera

Galaxy S3 Slim Duos (SM-G3812B)Redmi Note 12 Pro 4G (Global 128GB/6GB)
Back camera (main camera)5 megapixels(quad camera)
108 megapixels
8MP ultrawide 120ยฐ
2MP macro f/2.4
2MP depth f/2.4
Main camera resolution2592x1944 pixels12000x9000 pixels
Video recording (primary)Full HD (1920x1080) 30 fps4K UHD (3840x2160) 30 fps
FlashLED flashLED flash
Focal aperturefeature not registeredf/1.9 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registered1/1.52" inches
Pixel sizefeature not registered0.7ยตm 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 supportedSupported
HDRHDR photo only main cameraHDR photo on both cameras
Camera extrasfeature not registered4K@30fps
1080p@30/60fps
720p@30fps

๐Ÿ“ธ Front camera

Galaxy S3 Slim Duos (SM-G3812B)Redmi Note 12 Pro 4G (Global 128GB/6GB)
Front camera (secondary)0.3 megapixels16 megapixels
Front camera resolution640x480 pixels4608x3456 pixels
Video recording (secondary)VGA (640x480)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturefeature not registeredf/2.4 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered

๐Ÿ”‰ Sound and multimedia

Galaxy S3 Slim Duos (SM-G3812B)Redmi Note 12 Pro 4G (Global 128GB/6GB)
LoudspeakerSupportedStereo sound with dual speakers
Dolby Atmos
Active noise cancellationNot supported2 microphones or more
RadioFMFM
TVNot supportedNot supported
Video formatsMP4, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

๐Ÿ”Œ Connectivity

Galaxy S3 Slim Duos (SM-G3812B)Redmi Note 12 Pro 4G (Global 128GB/6GB)
USBMicroUSB 2.0USB 2.0 Type-C, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputNot supportedUSB Type-C (reversible)
Bluetooth4.0 + A2DP5.0 + A2DP/LE
WiFi802.11 b/g/n [wifi4] (2.4GHz)
WiFi Direct, hotspot
802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNASupportedNot supported
GPSA-GPS, GeoTaggingA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFCNot supportedSupported
Infrared portNot supportedSupported

๐Ÿงญ Sensors

Galaxy S3 Slim Duos (SM-G3812B)Redmi Note 12 Pro 4G (Global 128GB/6GB)
SensorsAccelerometer
Ambient light sensor
Compass
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (side-mounted)
Gyroscope
Proximity sensor
Vibrating alertSupportedSupported

๐Ÿ”‹ Battery

Galaxy S3 Slim Duos (SM-G3812B)Redmi Note 12 Pro 4G (Global 128GB/6GB)
Battery typeLi-Ion: lithium-ion (Removable)LiPo: li-ion polymer (Non removable)
Battery capacity2100 mAh5000 mAh
Charger, wattsWired charging67W Wired fast charging
Inductive / wireless chargingfeature not registeredNot supported
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered

โž• Other features

Galaxy S3 Slim Duos (SM-G3812B)Redmi Note 12 Pro 4G (Global 128GB/6GB)
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder, Voice commands
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
Miscellaneousโ€ข Colors: Black, White
โ€ข Samsung TouchWiz UX
โ€ข Java framework
โ€ข Colors: Graphite Gray, Polar White, Star Blue, Ice blue

โ˜ข๏ธ Radiation rate

Galaxy S3 Slim Duos (SM-G3812B)Redmi Note 12 Pro 4G (Global 128GB/6GB)
SAR 1.6W/kg (USA, Mexico, etc.)0.61W/kg (head), 1.13W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)0.553W/kg (head), 0.395W/kg (body)feature not registered
X

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