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Google Pixel 4a vs Xiaomi Redmi Note 7

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

Better figure, where one is clearly better

GooglePixel 4aXiaomiRedmi Note 7
Overview
ReleasedAugust 2020January 2019
Display
Screen size5.81″6.3″
Resolution2340 × 10802340 × 1080
Sharpness444 pixels per inch409 pixels per inch
PanelOLEDLCD
Refresh rate60 Hz–
Display typeFull-screen OLED with hole-punch camera; 19.5:9 aspect ratioLCD panel identified by PhoneArena; Dot Drop display, 19.5:9 aspect ratio and 1,500:1 typical contrast
Pixel density443 ppi–
Always-on displayAlways-on display; Now Playing–
Screen protectionCorning Gorilla Glass 3Corning Gorilla Glass 5
Display featuresHDR support; greater than 100,000:1 contrast ratio; true black; 24-bit colour; 60 Hz refresh identified by Notebookcheck84% NTSC typical; sunlight, night, reading and standard modes; colour-temperature adjustment
Performance
ChipQualcomm Snapdragon 730GQualcomm Snapdragon 660
Memory6 GB3 GB – 4 GB
Storage128 GB32 GB, 64 GB, 128 GB
CPU64-bit octa-core CPU; 2.2 GHz + 1.8 GHz; Titan M security moduleSnapdragon 660 AIE octa-core processor at up to 2.2 GHz
GPUAdreno 618Adreno 512 at up to 850 MHz
Storage type6 GB LPDDR4x RAM; UFS 2.0 storage identified by Notebookcheck; no microSD slotUK configurations of 3/32 GB, 4/64 GB and 4/128 GB; microSD expansion up to 256 GB
Cameras
Main camera12.2 MP48 MP
Ultra wide cameraNoneNone
Telephoto cameraNoneNone
Optical zoomNoneNone
Front camera8 MP13 MP
Main cameraDual-pixel phase-detection autofocus; f/1.7; 1.4 μm pixels; 77° field of view; optical and electronic image stabilisation48 MP with f/1.8 aperture, PDAF, 4-in-1 binning to 1.6 µm pixels and EIS; additional 5 MP depth camera
Front cameraf/2.0; 1.12 μm pixels; fixed focus; 84° field of view13 MP; AI portrait and beauty modes, HDR, face recognition and selfie timer
Video recordingRear 4K at 30 fps; 1080p at 30/60/120 fps; 720p at 30/60/240 fpsFull 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 video1080p, 720p or 480p at 30 fpsFull HD or HD at 30 fps
Camera featuresHDR+ with dual exposure controls; Portrait Mode; Top Shot; Night Sight with astrophotography; fused video stabilisationNight 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
Battery3,140 mAh4,000 mAh
Wired chargingUp to 18 W–
Wireless chargingNoneNone
Battery life detailOriginal typical capacity 3,140 mAh; Google's Android 13 update from 8 January 2025 reduces available capacity and charging performance on affected Pixel 4a units, not all units; related support programme ended 8 January 20264,000 mAh typical and 3,900 mAh minimum
Wired chargingOriginal rating up to 18 W using supplied USB-PD 2.0 adaptor; charging performance reduced on units affected by Google's January 2025 battery updateQuick Charge 4 protocol; included adaptor is 5 V / 2 A, and Xiaomi specifies a separately purchased Quick Charge 4 charger for optimal efficiency
Design
TypeStandardStandard
Weight143 g186 g
Thickness8.2 mm8.1 mm
Height × width144 × 69.4 mm159.21 × 75.21 mm
MaterialsSoft-touch polycarbonate unibodyGradient glass back finish
ColoursJust Black in the UK; Barely Blue also sold in the US and Japan–
ButtonsPower button and volume controls–
BiometricsPixel Imprint rear fingerprint sensorRear fingerprint reader; face recognition
SensorsProximity and ambient light; accelerometer; gyrometer; magnetometer; barometer; Android Sensor HubGyroscope, accelerometer, distance, compass, fingerprint, ambient light, vibration motor and IR blaster
SpeakersStereo speakersSingle bottom speaker and 3.5 mm headphone socket, as described by PhoneArena
MicrophonesTwo microphones with noise suppression–
Software
Operating systemAndroidAndroid
Software at launchAndroid 10Android 9 Pie with MIUI 10, as reported by Tech Advisor
Software updatesNo longer receives regular Android version or security updates according to Google's current support policy; original promise was at least three years; separate battery-related Android 13 update issued in January 2025–
AI featuresGoogle Assistant; Recorder with on-device English transcription and Google Docs sharing; Live Caption for audio, video and calls at launch in English–
Safety featuresPersonal Safety app with emergency sharing and car crash detection; language, country and network restrictions apply–
In the boxUK package includes 18 W USB-C power adaptor, USB-C to USB-C cable (1 m, USB 2.0), Quick Switch adaptor, SIM tool and quick start guide; earbuds included only in certain other regionsPhone, power adaptor, USB-C cable, SIM tool, user guide, clear soft case and warranty card
Connectivity
Mobile networkUK G025N supports LTE Cat 12 download up to 600 Mbps and Cat 5 upload up to 75 Mbps; no 5G; first sold in the US on 20 August 2020LTE 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
SIMOne nano-SIM and eSIM in selected markets, including the UK; operator dependentHybrid 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-FiDual-band 2.4/5 GHz 802.11a/b/g/n/ac; 2x2 MIMOWi-Fi 802.11 a/b/g/n/ac, 2.4/5 GHz and Wi-Fi Direct
BluetoothBluetooth 5.0 + LE; A2DP; aptX, aptX HD, LDAC and AACBluetooth 5.0
NFCNFC; Google Cast; FeliCa on Japanese G025MNo NFC, as reported by Tech Advisor
USBUSB-C 3.1 Gen 1; 3.5 mm headphone jack; supplied cable runs at USB 2.0USB-C
PositioningGPS, GLONASS, Galileo, QZSS and BeiDou outside the USGPS, A-GPS, GLONASS and BeiDou

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