Xiaomi REDMI Note 15 5G vs Xiaomi Redmi Note 7

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REDMI Note 15 5G compared with Redmi Note 7

	XiaomiREDMI Note 15 5G	XiaomiRedmi Note 7
Overview
Released
Released	January 2026	January 2019
Display
Screen size
Screen size	6.77″	6.3″
Resolution
Resolution	2392 × 1080 (better)	2340 × 1080
Sharpness
Sharpness	388 pixels per inch	409 pixels per inch (better)
Panel
Panel	OLED	LCD
Refresh rate
Refresh rate	120 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%	LCD panel identified by PhoneArena; Dot Drop display, 19.5:9 aspect ratio and 1,500:1 typical contrast
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
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	84% NTSC typical; sunlight, night, reading and standard modes; colour-temperature adjustment
Performance
Chip
Chip	Qualcomm Snapdragon 6 Gen 3	Qualcomm Snapdragon 660
Memory
Memory	8 GB (better)	3 GB – 4 GB
Storage
Storage	256 GB (better)	32 GB, 64 GB, 128 GB
CPU
CPU	4 nm, octa-core up to 2.4 GHz	Snapdragon 660 AIE octa-core processor at up to 2.2 GHz
GPU
GPU	Qualcomm Adreno; UK maker specification does not publish numeric designation	Adreno 512 at up to 850 MHz
Storage type
Storage type	LPDDR4X and UFS 2.2; UK 8 GB/256 GB; microSD expansion up to 1 TB	UK configurations of 3/32 GB, 4/64 GB and 4/128 GB; microSD expansion up to 256 GB
Cameras
Main camera
Main camera	108 MP (better)	48 MP
Ultra wide camera
Ultra wide camera	8 MP	None
Telephoto camera
Telephoto camera	None	None
Optical zoom
Optical zoom	None	None
Front camera
Front camera	20 MP (better)	13 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 with f/1.8 aperture, PDAF, 4-in-1 binning to 1.6 µm pixels and EIS; additional 5 MP depth camera
Ultra wide camera
Ultra wide camera	8 MP, f/2.2	–
Front camera
Front camera	20 MP, f/2.2, four-element lens and 1/4-inch sensor	13 MP; AI portrait and beauty modes, HDR, face recognition and selfie timer
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	Full HD at 30/60 fps or HD at 30 fps; Full HD and HD slow motion at 120 fps, as published by Xiaomi despite Tech Advisor's contrary slow-motion comment
Front video
Front video	Full HD or HD at 30 fps	Full HD or HD at 30 fps
Camera features
Camera features	Ultra HD, dynamic shots and regional AI erase, beautify and reflection removal; OTA and app-version restrictions apply	Night photography, portrait background blur, single-tone flash, low-light enhancement, standard/auto HDR, burst and panorama; 27 rear and 12 front AI scene categories; 48 MP Pro mode at launch, with Photo mode support promised by OTA
Battery and charging
Battery
Battery	5,520 mAh (better)	4,000 mAh
Video playback (maker's claim)
Video playback (maker's claim)	Up to 21 hours	–
Wired charging
Wired charging	Up to 45 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	4,000 mAh typical and 3,900 mAh minimum
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	Quick Charge 4 protocol; included adaptor is 5 V / 2 A, and Xiaomi specifies a separately purchased Quick Charge 4 charger for optimal efficiency
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)	186 g
Thickness
Thickness	7.35 mm (better)	8.1 mm
Height × width
Height × width	164 × 75.42 mm	159.21 × 75.21 mm
Materials
Materials	–	Gradient glass back finish
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	–
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	–
Biometrics
Biometrics	In-screen fingerprint reader and AI Face Unlock	Rear fingerprint reader; face recognition
Sensors
Sensors	Virtual proximity, ambient light, accelerometer, electronic compass, IR blaster and gyroscope	Gyroscope, accelerometer, distance, compass, fingerprint, ambient light, vibration motor 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	Single bottom speaker and 3.5 mm headphone socket, as described by PhoneArena
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 9 Pie with MIUI 10, as reported by Tech Advisor
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, USB-C cable, SIM tool, user guide, clear soft case 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	LTE FDD B1/B2/B3/B4/B5/B7/B8/B20 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	Hybrid tray for two SIMs or one SIM plus microSD; either SIM can be selected as primary for 4G+/4G/3G/2G calls and data
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 reported by Tech Advisor
USB
USB	USB-C, USB 2.0 and OTG confirmed by UK maker FAQ; no DisplayPort Alternate Mode	USB-C
Positioning
Positioning	GPS L1, GLONASS G1, BeiDou B1I/B1C and Galileo E1	GPS, A-GPS, GLONASS and BeiDou