Apple iPad mini 4 vs Apple iPad mini (6th generation)

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

Better figure, where one is clearly better

iPad mini 4 compared with iPad mini (6th generation)
AppleiPad mini 4AppleiPad mini (6th generation)
Overview
ReleasedSeptember 2015September 2021
Display
Screen size7.9″8.3″
Resolution2048 × 15362266 × 1488 (better)
Sharpness324 pixels per inch327 pixels per inch (better)
PanelLCDLCD
Refresh rate–60 Hz
Brightness–500 nits
Display typeRetina; LED-backlit IPS LCD (IPS confirmed by Notebookcheck)Liquid Retina display, LED-backlit IPS LCD
Pixel density326 ppi326 ppi
Display featuresFully laminated; anti-reflective coating; fingerprint-resistant oleophobic coatingWide colour (P3); True Tone; fully laminated; anti-reflective coating with 1.8% reflectivity; fingerprint-resistant oleophobic coating; no ProMotion (Apple's compare page)
Performance
ChipA8A15 Bionic
Memory2 GB4 GB (better)
Storage16 GB, 32 GB, 64 GB, 128 GB64 GB, 256 GB (better)
CPU64-bit A8; M8 motion coprocessor; 2 GB RAM confirmed by iFixit6-core CPU with 2 performance and 4 efficiency cores
GPU–5-core GPU
AI engine–16-core Neural Engine
Cameras
Rear camera8 MP12 MP (better)
Ultra wide cameraNoneNone
Front camera1.2 MP12 MP (better)
Rear cameraf/2.4 five-element lens; autofocus; backside illumination; hybrid IR filter; auto HDR; panorama up to 43 MP; burst; timer; auto image stabilisation; face detection12MP Wide, ƒ/1.8, five-element lens, autofocus with Focus Pixels, Quad-LED True Tone flash, digital zoom up to 5x, Smart HDR 3
Front cameraFaceTime HD; f/2.2; backside illumination; auto HDR; burst; timer; face detection12MP Ultra Wide, 122° field of view, ƒ/2.4, Centre Stage
Video recordingRear 1080p at 30 fps; slow-motion at 120 fps; stabilised time-lapse; video stabilisation; 3x video zoom; front 720p4K at 24, 25, 30 or 60 fps; 1080p at 25, 30 or 60 fps; 720p at 30 fps; slo-mo 1080p at 120 or 240 fps; cinematic video stabilisation (4K, 1080p and 720p)
Battery and connections
Battery life (maker's claim)Up to 10 hoursUp to 10 hours
Battery capacity19.1 Wh19.3 Wh (better)
Mobile data optionYesYes
StylusNot supportedSupported, sold separately
Keyboard made for itNoNo
Battery life detailUp to 10 hours Wi-Fi browsing, video or music; nine hours cellular browsingUp to 10 hours surfing the web on Wi-Fi or watching video; up to 9 hours surfing the web on mobile data
ChargingUSB power adapter or USB computer charging20W USB-C Power Adapter in the box
USB-CLightning; 3.5 mm headphone jackUSB-C with charging, DisplayPort and USB 3.1 Gen 1 (up to 5Gb/s); one external display up to 4K at 30Hz
Wi-FiDual-band 802.11a/b/g/n/ac; HT80 with MIMOWi-Fi 6 (802.11ax) with 2x2 MIMO, up to 1.2Gb/s
BluetoothBluetooth 4.2Bluetooth 5.0
Mobile networkLTE, UMTS/HSPA/HSPA+/DC-HSDPA, GSM/EDGE and CDMA EV-DO; nano-SIM with Apple SIM support; Wi-Fi calling; cellular model weighs 304 g5G (sub-6 GHz) and LTE; nano-SIM and eSIM
Stylus supportNo Apple Pencil supportApple Pencil (2nd generation) and Apple Pencil (USB-C), attaching magnetically
KeyboardsNo Smart Connector–
Design
Weight298.8 g293 g (better)
Thickness6.1 mm (better)6.3 mm
Height × width203.2 × 134.8 mm195.4 × 134.8 mm
Operating systemiPadOSiPadOS
BiometricsTouch ID in Home buttonTouch ID in the top button
SpeakersBuilt-in stereo speakersLandscape stereo speakers
MicrophonesDual microphonesDual microphones
SensorsThree-axis gyro; accelerometer; barometer; ambient light; compass; iBeacon; assisted GPS and GLONASS on cellular modelThree-axis gyro, accelerometer, barometer, ambient light sensor
MaterialsAluminium enclosure (Apple environmental report)–
ColoursSilver, Gold, Space GreySpace Grey, Pink, Purple, Starlight
Software at launchiOS 9; September 2015 on-sale month corroborated by Macworld; maker environmental report records introduction on 9 September–
In the boxiPad mini 4; Lightning to USB cable; USB power adapteriPad mini, USB-C Charge Cable (1 m), 20W USB-C Power Adapter

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