Nothing Phone (3a) vs Xiaomi POCO X7

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Phone (3a) compared with POCO X7

	NothingPhone (3a)	XiaomiPOCO X7
Overview
Released
Released	March 2025	January 2025
Display
Screen size
Screen size	6.77″	6.67″
Resolution
Resolution	2392 × 1084	2712 × 1220 (better)
Sharpness
Sharpness	388 pixels per inch	446 pixels per inch (better)
Panel
Panel	OLED	OLED
Refresh rate
Refresh rate	120 Hz	120 Hz
Peak brightness
Peak brightness	3,000 nits	3,000 nits
Display type
Display type	6.77-inch flexible AMOLED, FHD+	Curved CrystalRes AMOLED, 12-bit colour, 5,000,000:1 contrast and 100% DCI-P3 coverage
Pixel density
Pixel density	387 ppi	446 ppi
Brightness detail
Brightness detail	3,000 nits peak; 1,300 nits outdoor; 800 nits typical	500 nits typical, 1,200 nits high-brightness mode and 3,000 nits peak
Screen protection
Screen protection	Panda glass	Corning Gorilla Glass Victus 2
Display features
Display features	120 Hz adaptive refresh; 480 Hz touch sampling (1,000 Hz in Gaming Mode); 2,160 Hz PWM dimming; 10-bit (1.07 billion colours); 1,000,000:1 contrast ratio	Dolby Vision, HDR10+, 1,920 Hz PWM dimming, 20,000 brightness levels, 480 Hz touch sampling and 2,560 Hz instant touch sampling in Game Turbo; Wet Touch, reading mode and TÜV low-blue-light, flicker-free and circadian-friendly certifications
Performance
Chip
Chip	Snapdragon 7s Gen 3	MediaTek Dimensity 7300-Ultra
Memory
Memory	8 GB – 12 GB	8 GB – 12 GB
Storage
Storage	128 GB, 256 GB	256 GB, 512 GB (better)
CPU
CPU	8-core, up to 2.5 GHz; 4 nm TSMC process (N4)	TSMC 4 nm, octa-core 4+4 configuration, up to 2.5 GHz
GPU
GPU	Qualcomm Adreno	Mali-G615 MC2
Storage type
Storage type	UFS 2.2; RAM Booster adds virtual RAM, up to 20 GB in total	LPDDR4X RAM and UFS 2.2 storage; 8 GB/256 GB or 12 GB/512 GB; Dynamic RAM Expansion uses storage rather than adding physical RAM; no microSD slot, confirmed by Tech Advisor
Cooling
Cooling	4,500 mm² vapour chamber	13,780 mm² graphite cooling area
Cameras
Main camera
Main camera	50 MP	50 MP
Ultra wide camera
Ultra wide camera	8 MP	8 MP
Telephoto camera
Telephoto camera	50 MP	None
Optical zoom
Optical zoom	2× (better)	None
Front camera
Front camera	32 MP (better)	20 MP
Main camera
Main camera	50 MP, ƒ/1.88, 1/1.57″ sensor, 24 mm, 84.5° field of view, OIS and EIS, autofocus	Sony IMX882, 50 MP, f/1.5, OIS and 4-in-1 binning to 1.6 µm pixels; OIS and EIS video stabilisation
Ultra wide camera
Ultra wide camera	8 MP Sony sensor, ƒ/2.2, 1/4″ sensor, 15 mm, 120° field of view	8 MP, f/2.2
Telephoto camera
Telephoto camera	50 MP, ƒ/2.0, 1/2.75″ sensor, 50 mm, 49.5° field of view, 2× optical zoom, EIS, autofocus	–
Front camera
Front camera	32 MP, ƒ/2.2, 1/3.44″ sensor, 22 mm, 81.2° field of view	20 MP, f/2.2, soft-light ring and group-selfie framing
Zoom
Zoom	2× optical; 4× in-sensor zoom; up to 30× Ultra Zoom	2× half-body portrait mode with 46 mm equivalent focal length; no optical telephoto lens
Video recording
Video recording	4K video recording with AI-powered stabilisation; 4K at 30 fps and 1080p at 30, 60 or 120 fps (GSMArena)	4K at 24/30 fps, Full HD at 30/60 fps and HD at 30 fps; Full HD slow motion at 120 fps or HD at 120/240 fps
Front video
Front video	–	Full HD at 30/60 fps or HD at 30 fps
Camera features
Camera features	TrueLens Engine 3.0	Additional 2 MP f/2.4 macro camera; dynamic shots, motion tracking focus, Lightning Burst, film filters, documents, portraits, night, Dual Video and Steady Video; AI gallery editing varies by software and region
Battery and charging
Battery
Battery	5,000 mAh	5,110 mAh (better)
Wired charging
Wired charging	Up to 50 W (better)	Up to 45 W
Wireless charging
Wireless charging	None	None
Battery life detail
Battery life detail	Up to two days of use (Nothing)	5,110 mAh typical in the UK specification; maker laboratory claims over 15 hours TikTok video, over 58 hours music and over 17 hours navigation; retains over 80% capacity after 1,600 charge cycles
Wired charging
Wired charging	50 W; 50% in 19 minutes, 100% in 56 minutes	45 W turbo charging; maker laboratory claim of 100% in 52 minutes, screen off at approximately 25°C; UK maker recommends a compatible 45 W PD adaptor or Xiaomi 67 W or higher adaptor
Charges other devices
Charges other devices	7.5 W reverse wired charging	–
Connectivity
Satellite messaging
Satellite messaging	No	–
Mobile network
Mobile network	5G (NSA and SA) with 4×4 MIMO; Gigabit LTE with 4×4 MIMO	Dual SIM, dual standby 5G+5G or 5G+4G; 5G n1/n2/n3/n5/n7/n8/n20/n28/n38/n40/n41/n66/n77/n78, LTE, WCDMA and GSM
SIM
SIM	Dual nano-SIM (eSIM in Japan only)	Dual SIM, dual standby in the UK maker specification; Notebookcheck tested eSIM on a German review unit, which does not establish UK support
Wi-Fi
Wi-Fi	Wi-Fi 6 (802.11a/b/g/n/ac/ax), 2.4 and 5 GHz	Wi-Fi 6/5/4, 2.4/5 GHz, 1×1 antenna configuration and Wi-Fi Direct
Bluetooth
Bluetooth	Bluetooth 5.4	Bluetooth 5.4
NFC
NFC	Yes, with Google Pay	Supported; regional functions vary
USB
USB	–	USB-C
Positioning
Positioning	GPS (L1), GLONASS (G1), BDS (B1I), Galileo (E1), QZSS (L1)	GPS L1, BeiDou B1I, Galileo E1, GLONASS G1 and QZSS L1; A-GPS and network/sensor-assisted positioning
Design
Type
Type	Standard	Standard
Weight
Weight	208 g	185.5 g (better)
Thickness
Thickness	8.35 mm (better)	8.4 mm
Height × width
Height × width	163.5 × 77.5 mm	162.33 × 74.42 mm
Water and dust resistance
Water and dust resistance	IP64	IP68
Stylus
Stylus	No	–
Materials
Materials	Panda glass front; glass back; 100% recycled aluminium mid-frame and buttons	Maker lists plastic version at 185.5 g and 8.4 mm thick, used for main figures; polyurethane version is 190 g and 8.63 mm thick; both are 162.33 mm high and 74.42 mm wide; interior aluminium composite reinforcement
Colours
Colours	Black, White, Blue	Silver, Green and Black; Notebookcheck identifies Silver/Green plastic backs and Black synthetic leather
Buttons
Buttons	Essential Key (press to capture to Essential Space, long press for a voice note, double tap to open it)	–
Water resistance detail
Water resistance detail	IP64	IP68; maker test at 1.5 m in static freshwater for 30 minutes; resistance can decline with wear
Biometrics
Biometrics	In-screen optical fingerprint sensor	In-screen fingerprint reader and AI Face Unlock
Sensors
Sensors	Accelerometer, electronic compass, front ambient light sensor, gyroscope, proximity sensor; linear haptic motor	Proximity, ambient light, accelerometer, electronic compass, IR blaster and gyroscope; X-axis linear vibration motor
Speakers
Speakers	Dual stereo speakers	Dual speakers with Dolby Atmos
Microphones
Microphones	Two high-definition microphones	–
Software
Operating system
Operating system	Android	Android
Software at launch
Software at launch	Nothing OS 3.1 powered by Android 15	Xiaomi HyperOS; Android 14 confirmed by Tech Advisor and Notebookcheck
Software updates
Software updates	Three years of Android updates and six years of security updates, from first availability on nothing.tech	–
AI features
AI features	Essential Space (early access) with the Essential Key	–
In the box
In the box	Nothing Phone (3a), Nothing Cable (USB-C to USB-C), pre-applied screen protector, SIM tray ejector, safety card (no charger)	Phone, USB-C cable, SIM tool, protective case, quick-start guide, warranty card and safety information; no UK adaptor; launch purchase promotion offered a separate 67 W adaptor gift