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Nothing Phone (3a) vs Xiaomi POCO X7 Pro

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

NothingPhone (3a)XiaomiPOCO X7 Pro
Overview
ReleasedMarch 2025January 2025
Display
Screen size6.77″6.67″
Resolution2392 × 10842712 × 1220
Sharpness388 pixels per inch446 pixels per inch
PanelOLEDOLED
Refresh rate120 Hz120 Hz
Peak brightness3,000 nits3,200 nits
Display type6.77-inch flexible AMOLED, FHD+CrystalRes AMOLED, 12-bit colour
Pixel density387 ppi446 ppi
Brightness detail3,000 nits peak; 1,300 nits outdoor; 800 nits typical700 nits typical, 1,400 nits high-brightness mode and up to 3,200 nits peak
Screen protectionPanda glassCorning Gorilla Glass 7i
Display features120 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 ratioDCI-P3, 5,000,000:1 contrast, AdaptiveSync, 480 Hz touch sampling and up to 2,560 Hz instantaneous touch sampling with Game Turbo; 1,920 Hz PWM dimming, 16,000 brightness levels, Dolby Vision, HDR10+, adaptive HDR, Original colour Pro, Pro HDR, sunlight, reading and cycle modes; TÜV eye-care certifications
Performance
ChipSnapdragon 7s Gen 3MediaTek Dimensity 8400-Ultra
Memory8 GB – 12 GB8 GB – 12 GB
Storage128 GB, 256 GB256 GB, 512 GB
CPU8-core, up to 2.5 GHz; 4 nm TSMC process (N4)4 nm octa-core CPU up to 3.25 GHz; maker confirms Cortex-A725 architecture; GSMArena identifies one core at 3.25 GHz, three at 3.0 GHz and four at 2.1 GHz
GPUQualcomm AdrenoArm Mali-G720
AI engine–Eighth-generation NPU
Storage typeUFS 2.2; RAM Booster adds virtual RAM, up to 20 GB in totalUK LPDDR5X and UFS 4.0, 8 GB/256 GB or 12 GB/512 GB; GSMArena's additional global 12 GB/256 GB configuration is excluded
Cooling4,500 mm² vapour chamberLiquidCool technology 4.0, POCO 3D IceLoop and 5,000 mm² loop pump; ten temperature sensors
Cameras
Main camera50 MP50 MP
Ultra wide camera8 MP8 MP
Telephoto camera50 MPNone
Optical zoom2×None
Front camera32 MP20 MP
Main camera50 MP, ƒ/1.88, 1/1.57″ sensor, 24 mm, 84.5° field of view, OIS and EIS, autofocus50 MP, f/1.5, OIS, 1/1.95-inch sensor, 6-element lens and 4-in-1 binning to 1.6 µm pixels; GSMArena and Tech Advisor identify Sony IMX882
Ultra wide camera8 MP Sony sensor, ƒ/2.2, 1/4″ sensor, 15 mm, 120° field of view8 MP, f/2.2; GSMArena identifies SmartSens SC820 and fixed focus
Telephoto camera50 MP, ƒ/2.0, 1/2.75″ sensor, 50 mm, 49.5° field of view, 2× optical zoom, EIS, autofocus–
Front camera32 MP, ƒ/2.2, 1/3.44″ sensor, 22 mm, 81.2° field of viewOV20B, 20 MP, f/2.2, 1/4-inch sensor and 4-element lens
Zoom2× optical; 4× in-sensor zoom; up to 30× Ultra ZoomDigital zoom and 2× in-sensor cropping, confirmed by GSMArena; no dedicated telephoto camera
Video recording4K video recording with AI-powered stabilisation; 4K at 30 fps and 1080p at 30, 60 or 120 fps (GSMArena)4K at 24/30/60 fps, 1080p at 30/60 fps and 720p at 30 fps; slow motion 1080p or 720p at 120/240/960 fps; Director mode, video pro, log format, ShootSteady, dual video and time-lapse
Front video–1080p or 720p at 30 fps
Camera featuresTrueLens Engine 3.0Dynamic shots, Motion tracking focus, Motion capture, 50 MP, Film Camera, portrait, documents, night, pro, panorama and HDR modes
Battery and charging
Battery5,000 mAh6,000 mAh
Wired chargingUp to 50 WUp to 90 W
Wireless chargingNoneNone
Battery life detailUp to two days of use (Nothing)UK/global 6,000 mAh typical; maker claims over 20 hours watching videos, over 17 hours music, over 12 hours navigation and over eight hours PUBG in laboratory tests; the Indian 6,550 mAh version is excluded
Wired charging50 W; 50% in 19 minutes, 100% in 56 minutesUp to 90 W HyperCharge; maker recommends 90 W PD adaptor or Xiaomi 120 W adaptor, sold separately in the UK; launch charger gift is a separate promotion
Charges other devices7.5 W reverse wired charging–
Connectivity
Satellite messagingNo–
Mobile network5G (NSA and SA) with 4×4 MIMO; Gigabit LTE with 4×4 MIMODual-SIM 5G+5G or 5G+4G; LTE, WCDMA and GSM also supported
SIMDual nano-SIM (eSIM in Japan only)Dual SIM dual standby; no eSIM, confirmed by GSMArena
Wi-FiWi-Fi 6 (802.11a/b/g/n/ac/ax), 2.4 and 5 GHz802.11 a/b/g/n/ac/ax and Wi-Fi 6
BluetoothBluetooth 5.4Bluetooth 6.0 on the current UK maker spec and product pages; reviews list Bluetooth 5.4
NFCYes, with Google PayNFC, availability varies by region
USB–USB-C
PositioningGPS (L1), GLONASS (G1), BDS (B1I), Galileo (E1), QZSS (L1)GPS L1/L5, Galileo E1/E5a, GLONASS G1, BeiDou B1I/B2a/B1C and NavIC L5; assisted positioning and electronic compass
Design
TypeStandardStandard
Weight208 g195 g
Thickness8.35 mm8.29 mm
Height × width163.5 × 77.5 mm160.75 × 75.24 mm
Water and dust resistanceIP64IP68
StylusNo–
MaterialsPanda glass front; glass back; 100% recycled aluminium mid-frame and buttonsPlastic frame and rear; plastic colours are 195 g and 8.29 mm thick; Yellow PU finish is 198 g and 8.43 mm thick
ColoursBlack, White, BlueBlack, Green and Yellow
ButtonsEssential Key (press to capture to Essential Space, long press for a voice note, double tap to open it)–
Water resistance detailIP64UK IP68 tested at up to 1.5 m fresh water for 30 minutes; protection can decrease with wear; regional IP69 claims are excluded
BiometricsIn-screen optical fingerprint sensorIn-screen fingerprint sensor and AI face unlock
SensorsAccelerometer, electronic compass, front ambient light sensor, gyroscope, proximity sensor; linear haptic motorProximity, 360° ambient light, accelerometer, flicker sensor, electronic compass, IR blaster and gyroscope; x-axis linear vibration motor
SpeakersDual stereo speakersDual speakers with Dolby Atmos and Hi-Res Audio wired/wireless certification
MicrophonesTwo high-definition microphones–
Software
Operating systemAndroidAndroid
Software at launchNothing OS 3.1 powered by Android 15Xiaomi HyperOS 2 based on Android 15, confirmed by all three full reviews
Software updatesThree years of Android updates and six years of security updates, from first availability on nothing.techThree Android version upgrades and four years of security patches, reported by GSMArena and TechRadar
AI featuresEssential Space (early access) with the Essential KeyGoogle Gemini, AI Notes, Recorder, Interpreter, image expansion and Erase Pro; regional and software availability varies
In the boxNothing Phone (3a), Nothing Cable (USB-C to USB-C), pre-applied screen protector, SIM tray ejector, safety card (no charger)UK phone, USB-C cable, SIM tool, protective case, guides, warranty card and safety information; no adaptor

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