Nothing Phone (4a) Pro vs Xiaomi REDMI Note 15 Pro+ 5G

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Phone (4a) Pro compared with REDMI Note 15 Pro+ 5G

	NothingPhone (4a) Pro	XiaomiREDMI Note 15 Pro+ 5G
Overview
Released
Released	March 2026	January 2026
Display
Screen size
Screen size	6.83″	6.83″
Resolution
Resolution	2800 × 1260	2772 × 1280 (better)
Sharpness
Sharpness	450 pixels per inch (better)	447 pixels per inch
Panel
Panel	OLED	OLED
Refresh rate
Refresh rate	144 Hz (better)	120 Hz
Peak brightness
Peak brightness	5,000 nits (better)	3,200 nits
Display type
Display type	6.83-inch flexible AMOLED	CrystalRes AMOLED, 1.5K, 12-bit colour, DCI-P3 and 8,000,000:1 contrast ratio
Pixel density
Pixel density	450 ppi	447 ppi
Brightness detail
Brightness detail	5,000 nits peak; 1,600 nits outdoor; 800 nits typical	3,200 nits peak, 1,800 nits HBM and 16,000-step automatic brightness
Screen protection
Screen protection	Corning Gorilla Glass 7i	Corning Gorilla Glass Victus 2
Display features
Display features	144 Hz adaptive refresh; up to 2,500 Hz touch sampling; 2,160 Hz PWM dimming; 10-bit (1.07 billion colours); 1,000,000:1 contrast ratio	HDR10+, Dolby Vision, sunlight display, 3,840 Hz PWM dimming, up to 480 Hz touch sampling and 2,560 Hz instantaneous sampling in Game Turbo; TÜV low-blue-light, circadian-friendly and flicker-free certifications; AI Wet Touch 2.0
Performance
Chip
Chip	Snapdragon 7 Gen 4	Qualcomm Snapdragon 7s Gen 4
Memory
Memory	8 GB – 12 GB	8 GB – 12 GB
Storage
Storage	128 GB, 256 GB	256 GB, 512 GB (better)
CPU
CPU	Qualcomm Kryo, 8-core, up to 2.8 GHz (1 prime core at 2.8 GHz, 3 performance cores at 2.4 GHz, 4 efficiency cores at 1.8 GHz); 4 nm TSMC process	4 nm, octa-core up to 2.7 GHz
GPU
GPU	Qualcomm Adreno 722	Qualcomm Adreno; maker does not publish numeric GPU designation
AI engine
AI engine	Qualcomm Hexagon NPU	–
Storage type
Storage type	UFS 3.1; LPDDR5x RAM	LPDDR4X and UFS 2.2; UK 8 GB/256 GB or 12 GB/512 GB
Cooling
Cooling	–	Xiaomi IceLoop, 5,200 mm² cooling surface
Cameras
Main camera
Main camera	50 MP	200 MP (better)
Ultra wide camera
Ultra wide camera	8 MP	8 MP
Telephoto camera
Telephoto camera	50 MP	None
Optical zoom
Optical zoom	3.5× (better)	None
Front camera
Front camera	32 MP	32 MP
Main camera
Main camera	50 MP, f/1.88, 1/1.56″ sensor, OIS and EIS, 2x2 OCL PDAF; 2x in-sensor zoom	200 MP HPE, f/1.7, OIS, seven-element lens and 1/1.4-inch sensor; 0.56 µm pixels, 16-in-1 binning to 2.24 µm
Ultra wide camera
Ultra wide camera	8 MP (The Guardian), f/2.2, 1/4″ sensor, 120° field of view	8 MP, f/2.2
Telephoto camera
Telephoto camera	50 MP periscope, f/2.88, 1/2.75″ sensor, OIS and EIS, PDAF, 3.5x optical zoom	–
Front camera
Front camera	32 MP, f/2.2, 1/3.44″ sensor, 89° field of view	32 MP, f/2.2, four-element lens and 1/3.6-inch sensor
Zoom
Zoom	3.5x optical; 7x in-sensor zoom; up to 140x ultra zoom	No dedicated optical telephoto; maker offers 2×/4× optical-level sensor crops and equivalent 23/28/35/46/92 mm perspectives
Video recording
Video recording	4K Ultra XDR at 30 fps; 1080p Ultra XDR at 30 or 60 fps; slow motion at 1080p 120 fps; time-lapse at 4K and 1080p	4K at 30 fps, Full HD at 30/60 fps and HD at 30 fps; maker overview describes DAG high-dynamic-range 4K recording
Front video
Front video	–	Full HD at 30/60 fps and HD at 30 fps
Camera features
Camera features	TrueLens Engine 4; Ultra XDR photos and motion photos; 12-layer AI segmentation; macro in the default mode; Night Mode	200 MP AI Engine, Ultra HD, portraits, dynamic shots, AI Film Camera and image-editing tools; regional and OTA availability applies
Battery and charging
Battery
Battery	5,080 mAh	6,500 mAh (better)
Video playback (maker's claim)
Video playback (maker's claim)	–	Up to 25 hours
Wired charging
Wired charging	Up to 50 W	Up to 100 W (better)
Wireless charging
Wireless charging	None	None
Battery life detail
Battery life detail	5,080 mAh (5,400 mAh in India only)	6,500 mAh typical silicon-carbon battery with 10% silicon content; maker laboratory claim of up to two days use, 25 hours video playback and 47 hours calls
Wired charging
Wired charging	50 W; PPS, PD3.0, PD2.0, QC3.0, QC2.0 and UFCS	100 W HyperCharge; maker laboratory full charge in 40 minutes in boost mode with 100 W adaptor at 25°C and screen off; up to 22.5 W wired reverse charging; separate PD-compatible 100 W or Xiaomi 120 W adaptor recommended
Wireless charging
Wireless charging	–	No wireless or reverse wireless charging, confirmed by Xiaomi's exact-model Malaysia support FAQ
Charges other devices
Charges other devices	7.5 W reverse wired charging	–
Design
Type
Type	Standard	Standard
Weight
Weight	210 g	207.1 g (better)
Thickness
Thickness	7.9 mm (better)	8.19 mm
Height × width
Height × width	163.6 × 76.6 mm	163.34 × 78.31 mm
Water and dust resistance
Water and dust resistance	IP65	IP68
Stylus
Stylus	No	–
Materials
Materials	Back cover of 100% recycled aluminium	Black and Glacier Blue have fibreglass backs; maker describes aluminium-alloy internal frame reinforcement and SGS-certified 2.5 m drop resistance onto smooth granite under specified laboratory conditions
Colours
Colours	Silver, Black, Pink	Black, Glacier Blue and Mocha Brown; Mocha Brown is 8.47 mm thick and 208 g, versus 8.19 mm and 207.1 g for Black/Glacier Blue
Water resistance detail
Water resistance detail	IP65; tested for immersion in water up to 25 cm for up to 20 minutes	UK maker IP66 and IP68; IP68 laboratory test in static freshwater at 2 m for 30 minutes with temperature difference no greater than 5 K; resistance can decline with wear
Biometrics
Biometrics	In-screen optical fingerprint scanner	In-screen fingerprint reader and AI Face Unlock
Sensors
Sensors	Accelerometer, electronic compass, front ambient light sensor, gyroscope, proximity sensor	Proximity, ambient light, accelerometer, electronic compass, IR blaster and gyroscope
Speakers
Speakers	Dual stereo speakers	Dual speakers, Dolby Atmos and Hi-Res; optional 400% volume boost compared with previous model
Microphones
Microphones	2 high-definition microphones	–
Software
Operating system
Operating system	Android	Android
Software at launch
Software at launch	Nothing OS 4.1 (Android 16)	Xiaomi HyperOS 2; Android 15 confirmed by Stuff and Digital Camera World
Software updates
Software updates	3 years of Android updates and 6 years of security patches from first availability on nothing.tech	Maker promises six years of security updates; major Android upgrade count not specified on UK product pages
AI features
AI features	–	Regional AI writing, speech recognition, interpreter, search, dynamic wallpapers and creativity tools; Google Gemini and Circle to Search; applicable features require internet access
In the box
In the box	Phone, USB-C to USB-C cable (100 cm), case, pre-applied screen protector, SIM tool	Phone, USB-C cable, SIM tool, protective case, quick-start guide and warranty card; standard UK box excludes adaptor
Connectivity
Mobile network
Mobile network	5G NR, 4G LTE, 3G UMTS and 2G GSM	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 GSM 2/3/5/8; regional operator support applies; T1S antenna tuner and regional kilometre-level Offline Communication voice calls require SIM and Xiaomi account, not for emergencies
SIM
SIM	Dual nano-SIM and eSIM (eSIM not in India)	Dual nano-SIM or nano-SIM plus eSIM; region and carrier restrictions apply
Wi-Fi
Wi-Fi	Wi-Fi 6 (802.11a/b/g/n/ac/ax), 2.4 and 5 GHz, 2x2 MIMO	Wi-Fi 6E/6/5/4, 2.4/5 GHz, 2×2 MIMO and Wi-Fi Direct; availability and OTA support vary by region
Bluetooth
Bluetooth	Bluetooth 5.4	Bluetooth 5.4
NFC
NFC	Yes	Supported; regional availability varies
USB
USB	–	USB-C; interface version not published on UK specification page
Positioning
Positioning	GPS (L1), GLONASS (G1), BDS (B1I), Galileo (E1), QZSS (L1)	GPS L1, GLONASS G1, BeiDou B1I/B1C, Galileo E1 and QZSS L1; assisted and sensor-assisted positioning