Samsung Galaxy S9 vs. Xiaomi Redmi 12

Phone Comparison, Reviews and Tests

Detailed comparison and review of Samsung Galaxy S9 and Xiaomi Redmi 12. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.

Phone Specifications Comparison

Samsung Galaxy S9 vs. Xiaomi Redmi 12 Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy S9 Xiaomi Redmi 12
Product Type Smartphone Smartphone
Manufacturer Model Number SM-G960W -
Form Factor Touch Touch
Height 147.7 mm 168.6 mm Xiaomi Redmi 12 has greater height than Samsung Galaxy S9.
Width 68.7 mm 76.28 mm Xiaomi Redmi 12 has greater width than Samsung Galaxy S9.
Depth 8.5 mm 8.17 mm Xiaomi Redmi 12 is narrower than Samsung Galaxy S9.
Weight 163 g 198.5 g Samsung Galaxy S9 is lighter than Samsung Galaxy S9.
Body Colour Titanium grey | Lilac purple | Midnight black | Coral blue Midnight black
Body Material Metal frame -
Protection Dustproof, splashproof, waterproof Spill-resistant, dust-resistant
Waterproof (Water-resistant) Yes - Samsung Galaxy S9 is waterproof.
IP rating IP68 IP53
SAR Value 1.08 W/kg (body), 0.63 W/kg (head) -
Integrated Components Heart rate sensor FM radio
Connector Type USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM -
SIM Card Qty Single-SIM Dual-SIM
SIM Card Configuration Details - Nano SIM + nano SIM/microSD
DISPLAY Samsung Galaxy S9 Xiaomi Redmi 12
Display Type OLED display -
Display Technology Quad HD+ Super AMOLED -
Screen Size (Display Size) 5.8" 6.79" Xiaomi Redmi 12 has larger screen size than Samsung Galaxy S9.
Screen Resolution (Display Resolution) 2960 x 1440 pixels 2460 x 1080 pixels Samsung Galaxy S9 has better screen resolution than Xiaomi Redmi 12.
Display Format QHD+ Full HD+
Pixel Density 570 ppi 396 ppi Samsung Galaxy S9 has better pixel density than Xiaomi Redmi 12.
Aspect Ratio 18.5:9 -
Max Brightness - 550 cd/m²
Colour Depth 16.7 million colours -
Contrast Ratio - 1500:1
HDR Yes - Samsung Galaxy S9 has HDR.
Display Enhancement Technology - Reading mode 3.0
Display Refresh Rate - 90 Hz
Display Features Always-on display, Edge Screen, Infinity Display Reading mode, Dot Display, AdaptiveSync technology, 70% NTSC
Display Protection (Screen Protector) Corning Gorilla Glass 5 (scratch resistant glass) -
PROCESSOR Samsung Galaxy S9 Xiaomi Redmi 12
Processor Type (CPU) Qualcomm Snapdragon 845 MediaTek Helio G88
Processor Number MSM8998 -
Clock Speed 2.8 GHz 2 GHz Samsung Galaxy S9 has higher clock speed than Xiaomi Redmi 12.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - Samsung Galaxy S9 has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 630 ARM Mali-G52
MEMORY Samsung Galaxy S9 Xiaomi Redmi 12
RAM LPDDR4 SDRAM - 4 GB LPDDR4X SDRAM - 4 GB + up to 16 GB virtual extension Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 64 GB 128 GB Xiaomi Redmi 12 has more internal memory than Samsung Galaxy S9.
User Memory 48.8 GB -
Memory Interface - eMMC 5.1
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 400 GB microSDHC, microSD, microSDXC - up to 1 TB
CAMERA Samsung Galaxy S9 Xiaomi Redmi 12
MAIN CAMERA
Number of Main Cameras 1 3
Sensor Resolution 12 Megapixel 50 Megapixel Xiaomi Redmi 12 has better camera resolution than Samsung Galaxy S9.
Sensor Size 1/2.55" -
Lens Aperture F/1.5 & f/2.4 F/1.8 Samsung Galaxy S9 has better lens aperture than Samsung Galaxy S9.
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) - Samsung Galaxy S9 has optical stabilisation.
Focus Adjustment Automatic, manual Automatic
Digital Zoom 8x -
Self-Timer Delay Yes -
Special Effects Motion effect, HDR, Stamp, Bokeh effect, Grid Line, Stickers -
Camera Modes Panorama, Pro mode, Timer mode, HYPERLAPSE, Auto mode, low-light shots, Food mode, Super Slow-mo, AR Emoji -
Face Recognition (Face ID) Face detection - Samsung Galaxy S9 has face detection.
White Balance Custom, automatic -
Light Source LED flash LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1280 x 720 (720p) at 960 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, 2560 x 1440 (QHD) at 30 fps 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Functions) Selective Focus, Quick Launch, Playback zoom, Tracking Focus, Motion photo, Exposure, Shutter speed, geotagging, Continuous Auto Focus (CAF), RAW image capture, VDIS (Video Digital Image Stabilisation), High CRI LED flash, Tracking AF, Stamps, location tags, Hyperlapse video support 1080p, Live focus with bokeh filters, Super Speed Dual Pixel AI Triple camera
SECOND CAMERA
Sensor Resolution (2nd Camera) - 8 Megapixel
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) - F/2.2
Field of View (2nd Camera) - 120 degree(s)
THIRD CAMERA
Sensor Resolution (3rd Camera) - 2 Megapixel
Lens Aperture (3rd Camera) - F/2.4
Camera Functions (3rd Camera) - Macro camera
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 8 Megapixel 8 Megapixel Both phones have the same front camera resolution.
Sensor Size (Front) 1/3.6" -
Sensor Type (Front) CMOS -
Lens Aperture (Front) F/1.7 F/2.1 Samsung Galaxy S9 has better front lens aperture than Samsung Galaxy S9.
Focus Adjustment Automatic -
Special Effects (Front) HDR, Grid Line -
Camera Modes (Front) Timer mode, wide selfie mode, selfie mode, AR Emoji, selfie focus -
Video Resolutions (Front) - 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Front) Quick launch, Motion photo, Stamps, location tags, VDIS (Video Digital Image Stabilization) -
BATTERY AND CHARGING Samsung Galaxy S9 Xiaomi Redmi 12
Battery Capacity (Battery Size) 3000 mAh 5000 mAh Xiaomi Redmi 12 has larger battery capacity than Samsung Galaxy S9.
Wireless Charging Yes - Samsung Galaxy S9 can be charged wirelessly.
Wireless Charging Standards WPC, PMA -
Standby Time 326 hours 552 hours Xiaomi Redmi 12 has longer standby time than Samsung Galaxy S9.
Talk Time 1860 minutes 2220 minutes Xiaomi Redmi 12 has longer battery life when making calls than Samsung Galaxy S9.
Run Time Details Talk (3G): up to 1860 min
Active online usage (Wi-Fi): up to 14 hrs
Active online usage (3G): up to 12 hrs
Active online usage (LTE): up to 14 hrs
Playback (audio (Always On Display Off)): up to 90 hrs
Playback (audio (Always On Display On)): up to 51 hrs
Playback (video): up to 17 hrs
Standby (AOD off): up to 326 hrs
Standby (AOD on): up to 82 hrs
Talk: up to 2220 min
Standby: up to 552 hrs
Playback (video): up to 16 hrs
Reading: up to 26 hrs
CELLULAR Samsung Galaxy S9 Xiaomi Redmi 12
Technology TD-SCDMA / WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 8.0 Oreo Android 13
User Interface - MIUI 14
Intelligent Assistant Bixby -
Payment Technology Samsung Pay -
Navigation GPS, GLONASS, BeiDou, Galileo GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Samsung Galaxy S9 Xiaomi Redmi 12
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE, VoWiFi FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM -
3G UMTS Band Band 1, Band 2, Band 4, Band 5, Band 8 Band 1, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 900 2100, 850, 900
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 29, Band 30, Band 38, Band 39, Band 40, Band 41, Band 46, Band 66 Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41
4G LTE Frequency FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 700d, FDD 2300 WCS, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 5150, FDD 1700 - 2110 AWS-3 FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500
Wireless Interface IEEE 802.11a/b/g/n/ac, ANT+/ANT Wi-Fi
Bluetooth Bluetooth 5.0 LE Bluetooth 5.3
Bluetooth Profiles HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, SAP, PBAP, MAP, HOGP -
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA Samsung Galaxy S9 Xiaomi Redmi 12
Supported Digital Audio Standards WAV, WMA, AAC, PCM, AMR, MP3, FLAC, AAC-LC, XMF, AAC +, OGG, eAAC+, MIDI, APE (Monkey's Audio), M4A, apt-X, DSF, DSD, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, OPUS, DFF, MID, AMR-WB, AMR-NB, Vorbis, DSD64, DSD128 -
Supported Digital Video Standards MKV, VC-1, FLV, AVC, AVI, MPEG-4, WMV, ASF, 3GP, H.264, H.263, M4V, WebM, HEVC, MP43, 3G2, WMV8, VP8, VP9, H.265, WMV7 -
Sound Enhancements Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound -
FEATURES Samsung Galaxy S9 Xiaomi Redmi 12
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert -
Sensors Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, RGB sensor, heart rate, pressure sensor, geomagnetic sensor Accelerometer, digital compass
Security Devices Face recognition, fingerprint reader, eye scan Face recognition, fingerprint reader (side)
Security Technology - AI face unlock
Additional Phone Features Multitasking, Face Unlock, Wi-Fi Miracast, Multi Window, MU-MIMO technology, Fast Charging, Samsung KNOX, High AOP Mic, Samsung DeX support, Bixby Vision, Intelligent Scan Fast Charging, IR blaster
OTHERS Samsung Galaxy S9 Xiaomi Redmi 12
Included Accessories Power adapter, SIM card removal tool, USB Connector (USB-C), micro-USB connector, USB-C cable, headset (tuned by AKG) Power adapter, SIM card removal tool, USB-C cable
Compliant Standards IP68 IP53, SGS Low Blue Light Certification
Max Depth of Water Resistance 1.5 m -
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