Apple iPad Pro 12.9-inch (2nd generation) vs Apple iPad Pro 12.9-inch (4th generation)

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iPad Pro 12.9-inch (2nd generation) compared with iPad Pro 12.9-inch (4th generation)

	AppleiPad Pro 12.9-inch (2nd generation)	AppleiPad Pro 12.9-inch (4th generation)
Overview
Released
Released	June 2017	March 2020
Display
Screen size
Screen size	12.9″	12.9″
Resolution
Resolution	2732 × 2048	2732 × 2048
Sharpness
Sharpness	265 pixels per inch	265 pixels per inch
Panel
Panel	LCD	LCD
Refresh rate
Refresh rate	120 Hz	120 Hz
Brightness
Brightness	–	600 nits
Display type
Display type	Retina; LED-backlit LCD	Liquid Retina; LED-backlit IPS LCD; rounded corners reduce the viewable area
Pixel density
Pixel density	264 ppi	264 ppi
Brightness detail
Brightness detail	–	1.8% reflectivity
Display features
Display features	ProMotion up to 120 Hz; P3 wide colour; True Tone; fully laminated; anti-reflective and oleophobic coatings	ProMotion adjusts refresh up to 120 Hz; P3 wide colour; True Tone; fully laminated; anti-reflective and fingerprint-resistant oleophobic coatings; Dolby Vision and HDR10 content playback
Performance
Chip
Chip	A10X Fusion	A12Z Bionic
Memory
Memory	4 GB	6 GB (better)
Storage
Storage	64 GB, 256 GB, 512 GB	128 GB, 256 GB, 512 GB, 1 TB (better)
CPU
CPU	Six-core 64-bit A10X Fusion; M10 coprocessor; 4 GB LPDDR4 RAM reported by Notebookcheck	Eight-core 64-bit CPU; 6 GB RAM on every storage option (Notebookcheck)
GPU
GPU	12-core GPU	Eight-core Apple GPU
AI engine
AI engine	–	Neural Engine
Cameras
Rear camera
Rear camera	12 MP	12 MP
Ultra wide camera
Ultra wide camera	None	10 MP
Front camera
Front camera	7 MP	7 MP
Rear camera
Rear camera	f/1.8; optical image stabilisation; six-element lens; quad-LED True Tone flash; Focus Pixels autofocus; wide colour capture; sapphire lens cover	Wide f/1.8; ultra wide f/2.4 with 125° field of view; 2x optical zoom out; digital zoom up to 5x; five-element lenses; True Tone flash; sapphire lens cover; Focus Pixels autofocus on wide; Smart HDR; wide colour capture
Front camera
Front camera	FaceTime HD; f/2.2; Retina Flash; wide colour capture	TrueDepth; f/2.2; Portrait mode and Portrait Lighting; Retina Flash; Smart HDR; Animoji and Memoji
Video recording
Video recording	Rear 4K at 30 fps and 1080p at 30/60 fps; optical stabilisation; slow-motion 1080p at 120 fps or 720p at 240 fps; front 1080p	Wide 4K at 24/30/60 fps; ultra wide 4K at 60 fps; 1080p at 30/60 fps; slow-motion 1080p at 120/240 fps on wide and 240 fps on ultra wide; HEVC/H.264; front 1080p at 30/60 fps
Depth sensor
Depth sensor	–	LiDAR Scanner; measures surrounding objects up to 5 m indoors or outdoors
Battery and connections
Battery life (maker's claim)
Battery life (maker's claim)	Up to 10 hours	Up to 10 hours
Battery capacity
Battery capacity	41 Wh (better)	36.71 Wh
Battery (mAh)
Battery (mAh)	10,875 mAh (better)	9,720 mAh
Mobile data option
Mobile data option	Yes	Yes
Stylus
Stylus	Supported, sold separately	Supported, sold separately
Keyboard made for it
Keyboard made for it	Yes	Yes
Battery life detail
Battery life detail	Up to 10 hours Wi-Fi browsing, video or music; nine hours cellular browsing; 10,875 mAh reported by Notebookcheck	Up to 10 hours Wi-Fi browsing or video; nine hours cellular browsing; 9,720 mAh reported by Notebookcheck
Charging
Charging	Power adaptor or USB computer charging	USB-C power adaptor or computer; supplied 18 W adaptor is not a stated maximum charging rate
USB-C
USB-C	Lightning; 3.5 mm headphone jack; Smart Connector	USB-C; video mirroring and output up to 4K through compatible adaptors; Smart Connector
Wi-Fi
Wi-Fi	Dual-band 802.11a/b/g/n/ac; HT80 with MIMO	Dual-band 802.11ax Wi-Fi 6; HT80 with MIMO
Bluetooth
Bluetooth	Bluetooth 4.2	Bluetooth 5.0
Mobile network
Mobile network	LTE Advanced; UMTS/HSPA/HSPA+/DC-HSDPA; GSM/EDGE; CDMA EV-DO; embedded Apple SIM and nano-SIM; cellular model weighs 692 g	Gigabit-class LTE; UMTS/HSPA/HSPA+/DC-HSDPA; GSM/EDGE; nano-SIM and eSIM; data only; cellular model weighs 643 g
Stylus support
Stylus support	Apple Pencil (1st generation), sold separately	Apple Pencil (2nd generation) with magnetic attachment, pairing and wireless charging; Apple Pencil (USB-C); sold separately
Keyboards
Keyboards	Smart Keyboard through Smart Connector, sold separately	Magic Keyboard with trackpad and USB-C pass-through charging; Smart Keyboard Folio; sold separately
Design
Weight
Weight	677 g	641 g (better)
Thickness
Thickness	6.9 mm	5.9 mm (better)
Height × width
Height × width	305.7 × 220.6 mm	280.6 × 214.9 mm
Operating system
Operating system	iPadOS	iPadOS
Biometrics
Biometrics	Touch ID in Home button	Face ID through TrueDepth camera
Speakers
Speakers	Four-speaker audio	Four-speaker audio
Microphones
Microphones	Dual microphones	Five studio-quality microphones
Sensors
Sensors	Gyroscope; accelerometer; barometer; ambient light; compass; iBeacon; assisted GPS and GLONASS on cellular model	Three-axis gyro; accelerometer; barometer; ambient light sensor; digital compass; iBeacon; GPS/GNSS on cellular model
Materials
Materials	–	Recyclable low-carbon aluminium enclosure; 100% recycled tin in solder on the main logic board, True Tone flash and Pencil wireless charger
Colours
Colours	Silver, Gold, Space Grey	Silver, Space Grey
Software at launch
Software at launch	iOS 10.3 (Notebookcheck); subsequently received iPadOS	iPadOS 13.4
In the box
In the box	iPad Pro; Lightning to USB cable; USB power adaptor	iPad Pro; USB-C Charge Cable (1 m); 18 W USB-C Power Adapter