Xiaomi REDMI Note 15 5G vs Xiaomi Redmi Note 9S

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REDMI Note 15 5G compared with Redmi Note 9S

	XiaomiREDMI Note 15 5G	XiaomiRedmi Note 9S
Overview
Released
Released	January 2026	March 2020
Display
Screen size
Screen size	6.77″	6.67″
Resolution
Resolution	2392 × 1080	2400 × 1080 (better)
Sharpness
Sharpness	388 pixels per inch	395 pixels per inch (better)
Panel
Panel	OLED	LCD
Refresh rate
Refresh rate	120 Hz (better)	60 Hz
Peak brightness
Peak brightness	3,200 nits	–
Display type
Display type	AMOLED, FHD+, 12-bit colour, DCI-P3 and 8,000,000:1 contrast ratio; maker laboratory screen-to-body ratio 92%	IPS LCD and 60 Hz refresh identified by Tech Advisor; DotDisplay, 1,500:1 typical contrast and 84% NTSC typical
Brightness detail
Brightness detail	3,200 nits peak, 800 nits typical and 16,000-level brightness adjustment	–
Screen protection
Screen protection	Maker high-durability front glass; laboratory claim of 1.7 m front drop onto marble under specified conditions	Corning Gorilla Glass 5 front and back
Display features
Display features	3,840 Hz PWM dimming, 240 Hz touch sampling and 2,560 Hz instantaneous sampling in Game Mode; sunlight display, reading mode and Wet Touch 2.0; TÜV low-blue-light, circadian-friendly and flicker-free certifications	TÜV Rheinland low blue light certification and Reading mode 2.0
Performance
Chip
Chip	Qualcomm Snapdragon 6 Gen 3	Qualcomm Snapdragon 720G
Memory
Memory	8 GB (better)	4 GB – 6 GB
Storage
Storage	256 GB (better)	64 GB, 128 GB
CPU
CPU	4 nm, octa-core up to 2.4 GHz	Octa-core Snapdragon 720G at up to 2.3 GHz; 8 nm process and Qualcomm fifth-generation AI engine
GPU
GPU	Qualcomm Adreno; UK maker specification does not publish numeric designation	Adreno 618
Storage type
Storage type	LPDDR4X and UFS 2.2; UK 8 GB/256 GB; microSD expansion up to 1 TB	UK configurations of 4/64 GB and 6/128 GB; dedicated microSD expansion up to 512 GB
Cameras
Main camera
Main camera	108 MP (better)	48 MP
Ultra wide camera
Ultra wide camera	8 MP	8 MP
Telephoto camera
Telephoto camera	None	None
Optical zoom
Optical zoom	None	None
Front camera
Front camera	20 MP (better)	16 MP
Main camera
Main camera	108 MP, f/1.7, six-element lens, OIS confirmed by maker overview and 1/1.67-inch sensor; 0.64 µm pixels, 9-in-1 binning to 1.92 µm	48 MP, f/1.79, 1/2-inch sensor, 79° field of view, six-element lens and autofocus; 0.8 µm pixels or 4-in-1 binning to 1.6 µm; up to 8,000 × 6,000 photos
Ultra wide camera
Ultra wide camera	8 MP, f/2.2	8 MP, f/2.2 and 1.12 µm pixels; 119° field of view before distortion correction and 108° after correction
Front camera
Front camera	20 MP, f/2.2, four-element lens and 1/4-inch sensor	16 MP, f/2.48 and 1.0 µm pixels; panorama selfie, palm shutter, HDR, face recognition, AI beauty, portrait and scene detection
Zoom
Zoom	No dedicated optical telephoto; maker offers 3× optical-level sensor crop and equivalent 24/28/35/72 mm perspectives	–
Video recording
Video recording	4K, Full HD or HD at 30 fps	4K at 30 fps, Full HD at 30/60 fps and HD at 30 fps; Full HD slow motion at 120 fps or HD at 120/240/960 fps; ultrawide and macro recording, short video and cinematic 4K
Front video
Front video	Full HD or HD at 30 fps	120 fps slow-motion selfies
Camera features
Camera features	Ultra HD, dynamic shots and regional AI erase, beautify and reflection removal; OTA and app-version restrictions apply	Additional 5 MP macro with f/2.4, 1.12 µm pixels and autofocus at 2–10 cm; 2 MP depth sensor with f/2.4 and 1.75 µm pixels; night, document, cinematic portrait, 48 MP, Pro, panorama, burst, HDR, timer, levelling, watermark and kaleidoscope modes; 27 rear AI scene tags
Battery and charging
Battery
Battery	5,520 mAh (better)	5,020 mAh
Video playback (maker's claim)
Video playback (maker's claim)	Up to 21 hours	–
Wired charging
Wired charging	Up to 45 W (better)	Up to 18 W
Wireless charging
Wireless charging	None	None
Battery life detail
Battery life detail	5,520 mAh typical silicon-carbon battery; maker laboratory claims up to 1.58 days use, 21 hours video playback and 10 hours recording	5,020 mAh typical non-removable lithium-ion polymer battery; maker laboratory claims of 147 hours music, 33 hours calling, 16 hours navigation or 13 hours gaming
Wired charging
Wired charging	45 W turbo charging and up to 18 W wired reverse charging; maker laboratory claim of 50% charge in 25 minutes; separate PD-compatible 45 W or Xiaomi 45 W adaptor recommended	Phone supports 18 W wired charging; included adaptor is rated at 22.5 W
Wireless charging
Wireless charging	No wireless or reverse wireless charging, confirmed by exact-model Xiaomi UK FAQ	–
Design
Type
Type	Standard	Standard
Weight
Weight	178 g (better)	209 g
Thickness
Thickness	7.35 mm (better)	8.8 mm
Height × width
Height × width	164 × 75.42 mm	165.75 × 76.68 mm
Materials
Materials	–	3D curved glass back; plastic frame, as described by Tech Advisor
Water and dust resistance
Water and dust resistance	IP65	–
Colours
Colours	Black, Glacier Blue and Mist Purple; Mist Purple thickness 7.40 mm, Black/Glacier Blue 7.35 mm	Interstellar Grey, Aurora Blue and Glacier White
Water resistance detail
Water resistance detail	UK maker IP65 splash and dust resistance; protection can decline with wear; liquid damage outside test conditions excluded from warranty	Splash-proof nano-coating; no published IP rating
Biometrics
Biometrics	In-screen fingerprint reader and AI Face Unlock	Side fingerprint reader combined with the power button; AI face unlock
Sensors
Sensors	Virtual proximity, ambient light, accelerometer, electronic compass, IR blaster and gyroscope	Z-axis linear vibration motor, fingerprint, distance, in-screen ambient light, accelerometer, gyroscope, compass and IR blaster
Speakers
Speakers	Dual speakers, Dolby Atmos and Hi-Res; 300% volume-boost mode uses 17 levels versus 15 and depends on scenario/software	1216 ultra-linear speaker with 0.5 mm maximum amplitude and 10 V Smart PA; 3.5 mm headphone socket
Software
Operating system
Operating system	Android	Android
Software at launch
Software at launch	Xiaomi HyperOS 2; Android 15 confirmed by Tech Advisor and Android Central	Android 10 with MIUI 11, as reported by both reviews
Software updates
Software updates	Maker promises six years of security updates; UK product pages do not specify major Android upgrade count	–
AI features
AI features	Google Gemini with regional Xiaomi app integration; applicable features require setup and internet	–
In the box
In the box	Phone, USB-C cable, SIM tool, protective case, quick-start guide and warranty card; standard UK box excludes adaptor	Phone, power adaptor, protective cover, USB-C cable, SIM tool, user guide and warranty card
Connectivity
Mobile network
Mobile network	5G n1/2/3/5/7/8/12/20/26/28/38/40/41/48/66/77/78; LTE FDD 1/2/3/4/5/7/8/12/13/17/18/19/20/26/28/32/66 and TDD 38/40/41/42/48; WCDMA 1/2/4/5/6/8/19 and quad-band GSM; region and operator support varies	Dual SIM VoLTE, subject to local operator support; LTE FDD B1/B2/B3/B4/B5/B7/B8/B20/B28 and TDD B38/B40; WCDMA B1/B2/B4/B5/B8 and GSM B2/B3/B5/B8
SIM
SIM	Nano-SIM plus hybrid second nano-SIM/microSD; dual standby	Two nano-SIM slots plus a separate microSD slot
Wi-Fi
Wi-Fi	Wi-Fi 5, 802.11a/b/g/n/ac, 2.4/5 GHz and Wi-Fi Direct	Wi-Fi 802.11 a/b/g/n/ac, 2.4/5 GHz and Wi-Fi Direct
Bluetooth
Bluetooth	Bluetooth 5.1	Bluetooth 5.0
NFC
NFC	Supported; regional availability varies	No NFC, as confirmed by both reviews
USB
USB	USB-C, USB 2.0 and OTG confirmed by UK maker FAQ; no DisplayPort Alternate Mode	USB-C; USB 2.0 controller identified by Notebookcheck
Positioning
Positioning	GPS L1, GLONASS G1, BeiDou B1I/B1C and Galileo E1	GPS, A-GPS, GLONASS and BeiDou