Xiaomi Redmi Note 9 vs. Xiaomi Redmi 12

Phone Comparison, Reviews and Tests

In depth comparison and review of Xiaomi Redmi Note 9 and Xiaomi Redmi 12. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.

Phone Specifications Comparison

Xiaomi Redmi Note 9 vs. Xiaomi Redmi 12 Comparison Chart
DESIGN AND DIMENSIONS Xiaomi Redmi Note 9 Xiaomi Redmi 12
Product Type Smartphone Smartphone
Form Factor Touch Touch
Height 162.3 mm 168.6 mm Xiaomi Redmi 12 has greater height than Xiaomi Redmi Note 9.
Width 77.2 mm 76.28 mm Xiaomi Redmi Note 9 has greater width than Xiaomi Redmi 12.
Depth 8.9 mm 8.17 mm Xiaomi Redmi 12 is narrower than Xiaomi Redmi Note 9.
Weight 199 g 198.5 g Xiaomi Redmi 12 is lighter than Xiaomi Redmi Note 9.
Body Colour Forest green Midnight black
Protection Splashproof Spill-resistant, dust-resistant
Waterproof (Water-resistant) - - Xiaomi Redmi 12 is waterproof.
IP rating - IP53
SAR Value 2.262 W/kg (limb), 1.138 W/kg (body), 0.795 W/kg (head) -
Integrated Components Ultra-linear speaker 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 Dual-SIM Dual-SIM
SIM Card Configuration Details Nano SIM + nano SIM/microSD Nano SIM + nano SIM/microSD
DISPLAY Xiaomi Redmi Note 9 Xiaomi Redmi 12
Screen Size (Display Size) 6.53" 6.79" Xiaomi Redmi 12 has larger screen size than Xiaomi Redmi Note 9.
Screen Resolution (Display Resolution) 2340 x 1080 pixels 2460 x 1080 pixels Xiaomi Redmi 12 has better screen resolution than Xiaomi Redmi Note 9.
Display Format Full HD+ Full HD+
Pixel Density - 396 ppi
Aspect Ratio 19.5:9 -
Max Brightness 450 cd/m² 550 cd/m² Xiaomi Redmi 12 has better display brightness than Xiaomi Redmi Note 9.
Contrast Ratio 1500:1 1500:1 Both phones have the same display contrast ratio.
Display Enhancement Technology - Reading mode 3.0
Display Refresh Rate - 90 Hz
Display Features Reading mode 2.0, Dot Display, Full Screen gestures Reading mode, Dot Display, AdaptiveSync technology, 70% NTSC
Display Protection (Screen Protector) Corning Gorilla Glass 5 (scratch resistant glass) -
PROCESSOR Xiaomi Redmi Note 9 Xiaomi Redmi 12
Processor Type (CPU) MediaTek Helio G85 MediaTek Helio G88
Clock Speed 2 GHz 2 GHz Both phones have the same clock speed.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
Graphics System (GPU) ARM G52 MC2 ARM Mali-G52
MEMORY Xiaomi Redmi Note 9 Xiaomi Redmi 12
RAM 3 GB LPDDR4X SDRAM - 4 GB + up to 16 GB virtual extension Xiaomi Redmi 12 has more RAM than Xiaomi Redmi Note 9.
Internal Memory Size (Storage Capacity) 64 GB 128 GB Xiaomi Redmi 12 has more internal memory than Xiaomi Redmi Note 9.
Memory Interface - eMMC 5.1
Supported Flash Memory Cards (Expandable Memory) microSD microSDHC, microSD, microSDXC - up to 1 TB
CAMERA Xiaomi Redmi Note 9 Xiaomi Redmi 12
MAIN CAMERA
Number of Main Cameras 4 3
Sensor Resolution 48 Megapixel 50 Megapixel Xiaomi Redmi 12 has better camera resolution than Xiaomi Redmi Note 9.
Sensor Size 1/2" -
Lens Aperture F/1.79 F/1.8 Xiaomi Redmi Note 9 has better lens aperture than Xiaomi Redmi Note 9.
Lens Construction 6-element -
Field of View (FoV) 79.4 degree(s) -
Pixel Size 0.8 μm -
Focus Adjustment Automatic Automatic
Special Effects HDR, Kaleidoscope -
Camera Modes Burst mode, Panorama, night mode, Smart ultra-wide angle mode, Photo timer, Custom watermark, Documents, Beautify, Levelling, Cinematic portraits -
Face Recognition (Face ID) Face recognition - Xiaomi Redmi Note 9 has face detection.
Light Source Flash LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Functions) 4-in-1 Super Pixel, AI scene detection, Portrait mode with background blurring, Ultra wide-angle edge distortion correction, Steady handheld night photography, full screen frame, AI watermark AI Triple camera
SECOND CAMERA
Sensor Resolution (2nd Camera) 8 Megapixel 8 Megapixel Both phones have the same second camera resolution.
Sensor Size (2nd Camera) 1/4" -
Lens Type (2nd Camera) Ultra wide-angle lens Ultra wide-angle lens
Lens Aperture (2nd Camera) F/2.2 F/2.2 Both phones have the same second camera lens aperture.
Lens Element Qty (2nd Camera) 5-element -
Field of View (2nd Camera) 118 degree(s) 120 degree(s) Xiaomi Redmi 12 has larger second camera lens field of view than Xiaomi Redmi Note 9.
Pixel Size (2nd Camera) 1.2 μm -
Camera Features (2nd Camera) 5-piece lens -
THIRD CAMERA
Sensor Resolution (3rd Camera) 2 Megapixel 2 Megapixel Both phones have the same third camera resolution.
Lens Aperture (3rd Camera) F/2.4 F/2.4 Both phones have the same lens aperture of the third camera.
Pixel Size (3rd Camera) 1.75 μm -
Camera Functions (3rd Camera) Macro camera Macro camera
Camera Features (3rd Camera) AF (2cm-10cm) -
FOURTH CAMERA
Sensor Resolution (4th Camera) 2 Megapixel -
Sensor Size (4th Camera) 1/5" -
Lens Aperture (4th Camera) F/2.4 -
Lens Element Qty (4th Camera) 3-element -
Pixel Size (4th Camera) 1.75 μm -
Camera Functions (4th Camera) Depth camera -
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 13 Megapixel 8 Megapixel Xiaomi Redmi Note 9 has better front camera resolution than Xiaomi Redmi 12.
Sensor Size (Front) 1/3.06" -
Lens Aperture (Front) F/2.25 F/2.1 Xiaomi Redmi 12 has better front lens aperture than Xiaomi Redmi Note 9.
Lens Element Qty (Front) 5-element -
Field of View (Front) 74 degree(s) -
Pixel Size (Front) 1.12 μm -
Special Effects (Front) HDR -
Camera Modes (Front) Panoramic selfies, AI portrait mode, AI Beautify -
Face Recognition (Face ID) Face recognition - Xiaomi Redmi Note 9 has face detection.
Light Source (Front) Display flash -
Video Resolutions (Front) - 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Front) Palm shutter, AI silhouette detection -
BATTERY AND CHARGING Xiaomi Redmi Note 9 Xiaomi Redmi 12
Battery Capacity (Battery Size) 5020 mAh 5000 mAh Xiaomi Redmi Note 9 has larger battery capacity than Xiaomi Redmi 12.
Standby Time - 552 hours
Talk Time 1980 minutes 2220 minutes Xiaomi Redmi 12 has longer battery life when making calls than Xiaomi Redmi Note 9.
Run Time Details Talk: up to 1980 min
Gaming: up to 16 hrs
Playback (Music): up to 147 hrs
Navigation: up to 16 hrs
Talk: up to 2220 min
Standby: up to 552 hrs
Playback (video): up to 16 hrs
Reading: up to 26 hrs
Battery Technology Lithium polymer -
CELLULAR Xiaomi Redmi Note 9 Xiaomi Redmi 12
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System - Android 13
User Interface - MIUI 14
Navigation GPS, A-GPS, GLONASS, BeiDou, Galileo GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Xiaomi Redmi Note 9 Xiaomi Redmi 12
Data Transmission VoLTE, FDD-LTE, TDD-LTE FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1900 GSM, 2100 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 20, Band 28, Band 38, Band 40, Band 41 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 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 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 Wi-Fi
Bluetooth Bluetooth 5.0 Bluetooth 5.3
NFC - Yes Xiaomi Redmi 12 has NFC reader for mobile payments.
MEDIA Xiaomi Redmi Note 9 Xiaomi Redmi 12
Supported Digital Audio Standards WAV, AAC, AMR, MP3, FLAC, APE (Monkey's Audio) -
Supported Digital Video Standards MKV, XviD, M4V, MP4 -
Audio Amplifier Smart PA -
FEATURES Xiaomi Redmi Note 9 Xiaomi Redmi 12
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert -
Sensors Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, infrared (IR) sensor Accelerometer, digital compass
Security Devices Face recognition, fingerprint reader Face recognition, fingerprint reader (side)
Security Technology - AI face unlock
Additional Phone Features Infrared remote control, HyperEngine technology Fast Charging, IR blaster
OTHERS Xiaomi Redmi Note 9 Xiaomi Redmi 12
Included Accessories Protective cover, power adapter, SIM card removal tool, USB-C cable Power adapter, SIM card removal tool, USB-C cable
Compliant Standards TUV Rheinland Low Blue Light Certification IP53, SGS Low Blue Light Certification
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