Nikon D40x vs Nikon D6

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D40x compared with D6

	NikonD40x	NikonD6
Overview
Released
Released	March 2007	June 2020
Image and sensor
Camera type
Camera type	DSLR	DSLR
Sensor format
Sensor format	APS-C	Full frame
Sensor type
Sensor type	CCD	CMOS
Sensor dimensions
Sensor dimensions	23.6 × 15.8 mm	35.9 × 23.9 mm
Effective resolution
Effective resolution	10.2 MP	20.8 MP
Largest image
Largest image	3872 × 2592	5568 × 3712
RAW recording
RAW recording	Yes	Yes
Standard ISO range
Standard ISO range	100–1600	100–102400
Sensor detail
Sensor detail	Nikon DX primary-colour CCD with 10.2 million effective and 10.75 million total pixels; approximately 1.5× lens focal-length equivalent	Japan specifies 20.82 million effective and 21.33 million total pixels, rounded to 20.8 million effective globally; sensor-cleaning system. FX, 1.2×, DX, 5:4, 1:1 and 16:9 image areas
Image formats
Image formats	Compressed 12-bit NEF RAW, JPEG and simultaneous RAW plus Basic JPEG; maximum 3872 × 2592 pixels; Image Optimisation settings and in-camera retouching	Large NEF RAW at 12 or 14 bits with lossless compression, compression or no compression; medium and small RAW fixed to 12-bit lossless compression. JPEG and RAW plus JPEG; separate JPEG plus JPEG recording with different size/quality settings; Flat and Creative Picture Controls
ISO detail
ISO detail	ISO 100–1600 in whole stops; Hi 1 expands to ISO 3200 equivalent	Expanded equivalents ISO 50–3280000; Auto ISO
Image processor
Image processor	–	EXPEED 6; Advanced Scene Recognition System
Lens and shooting
Lens mount
Lens mount	Nikon F mount	Nikon F mount
Stabilisation
Stabilisation	Optical lens stabilisation	Optical lens stabilisation
Maximum continuous burst
Maximum continuous burst	3 fps	14 fps
Lens detail
Lens detail	Autofocus with AF-S and AF-I motor-equipped lenses; no body autofocus motor. Other compatible AF lenses require manual focusing; non-CPU lenses require manual exposure without metering; IX and F3AF lenses unsupported	Compatible G/E/D AF NIKKOR lenses, subject to PC lens restrictions; body autofocus motor for compatible screw-drive lenses. Non-CPU AI lenses support aperture-priority/manual; non-AI, IX and F3AF lenses unsupported; DX lenses use the DX image area
Autofocus
Autofocus	Multi-CAM 530 phase-detection module; three selectable autofocus areas; -1 to +19 EV at ISO 100 equivalent, 20°C; AF-S/AF-C/AF-A, single-area, dynamic-area and closest-subject-priority dynamic-area modes; AF-assist illuminator	Multi-CAM 37K; 105 selectable cross-type points, including 15 f/8-compatible points. Centre sensitivity -4.5 EV and other points -4 EV at ISO 100, 20°C. Single-point, dynamic 9/25/49/105, 3D tracking, Group-area and auto-area; 17 custom Group-area patterns; eye-priority focusing in auto-area and 3D tracking. Live view uses contrast detection with AF-S/AF-F
Shutter
Shutter	Electronically controlled vertical-travel focal-plane shutter; 1/4000 to 30 seconds in one-third stops, Bulb and Time with optional ML-L3 remote; flash sync 1/200 second	1/8000 to 30 seconds, Bulb and Time; manual exposures extend to 900 seconds; flash sync 1/250 second; electronic front-curtain and electronic shutter options
Burst detail
Burst detail	Approximately 3 fps; self-timer and optional ML-L3 delayed or immediate infrared remote release	Approximately 14 fps mechanical with full AF/AE tracking under Nikon's AF-C, S/M, 1/250-second-or-faster test conditions. Silent full-resolution live-view shooting up to 10.5 fps; separate reduced-resolution live-view modes approximately 30 fps at 8 megapixels or 60 fps at 2 megapixels
Stabilisation detail
Stabilisation detail	Optical VR depends on the attached lens; no sensor-shift stabilisation. The pictured original 18–55mm ED II kit lens has no VR	Optical VR depends on the lens; no sensor-shift stabilisation; electronic movie vibration reduction available
Flash
Flash	Built-in pop-up flash; guide number approximately 12 m at ISO 100, 20°C, or 13 at manual full output; accessory shoe	No built-in flash; hot shoe and threaded PC sync terminal; optical/radio Nikon CLS with compatible external Speedlights and required accessories
Exposure controls
Exposure controls	P/S/A/M, Auto and scene modes; 420-pixel RGB matrix, centre-weighted and spot metering; ±5 EV compensation in one-third stops	P/S/A/M; 180000-pixel RGB viewfinder metering with Colour Matrix Metering III, centre-weighted, spot and highlight-weighted modes; ±5 EV stills or ±3 EV video compensation; Active D-Lighting
Screen and viewfinder
Viewfinder
Viewfinder	Optical	Optical
Screen size
Screen size	2.5″	3.2″
Screen dots
Screen dots	230,000	2,359,000
Touchscreen
Touchscreen	No	Yes
Tilting screen
Tilting screen	No	–
Display detail
Display detail	Fixed 2.5-inch low-temperature-polysilicon TFT with approximately 230000 dots; Classic, Graphic and Wallpaper shooting-information displays, contextual help and playback magnification; dots count subpixels	Fixed touch TFT with 170° viewing angle, approximately 100% coverage, 11-level manual brightness and colour adjustment; touch priority image transfer with Ethernet or optional WT-6 connection. Global specifies 2359000 dots, Japan rounds to 2360000; dots count subpixels
Viewfinder detail
Viewfinder detail	Pentamirror; approximately 95% coverage, 0.80× magnification with 50mm f/1.4 at infinity and 18 mm eyepoint	Pentaprism; approximately 100% FX coverage; 0.72× magnification with 50mm f/1.4 at infinity; 17 mm eyepoint; grid overlay
Connections and design
Wi-Fi
Wi-Fi	–	Yes
Bluetooth
Bluetooth	–	Yes
Battery life (maker's claim)
Battery life (maker's claim)	520 photographs	3580 photographs
Body weight
Body weight	495 g (better)	1270 g
Release detail
Release detail	Nikon Japan records first sale on 29 March 2007; Nikon USA announcement dated 5 March 2007 states US availability beginning April	Nikon Japan records sale on 5 June 2020 after postponements from March to May and then June; the original US announcement's April plan is not an actual retail date. Nikon's Japanese announcement explicitly identifies D5 as the previous model
Recording media
Recording media	One SD/SDHC card slot; MMC unsupported	Two slots each accepting CFexpress Type B or XQD; overflow, backup, separate RAW/JPEG, separate JPEG/JPEG and card copying
Ports
Ports	Hi-Speed USB and NTSC/PAL video output; optional ML-L3 infrared remote	USB Type-C with SuperSpeed USB, mini-HDMI Type C, 3.5 mm microphone/headphone sockets, RJ-45 Ethernet with 10/100/1000BASE-T support, ten-pin accessory terminal, PC sync and WT-6 expansion connector; Kensington security lock compatibility
Wireless connections
Wireless connections	–	Integrated 802.11a/b/g/n/ac Wi-Fi, Bluetooth 4.2 and SnapBridge; 5 GHz availability depends on region and station mode. Integrated GPS/GLONASS/QZSS positioning, unavailable in some regions; optional WT-6 transmitter for network transfer
Battery life detail
Battery life detail	EN-EL9 rechargeable lithium-ion battery; Nikon's D40x manual (printed page 121) and original brochure specify approximately 520 CIPA photographs, corroborating the launch announcement. The manual tests single frames every 30 seconds with the 18–55mm ED II lens and flash every other shot. The current US product page lists 470 shots, conflicting with these exact-model documents	EN-EL18c; approximately 3580 CIPA single-frame photographs, 8670 continuous photographs under Nikon's separate test and 105 minutes of CIPA movie battery life. EN-EL18b/18a/18 also supported, with lower endurance using original EN-EL18
Charging
Charging	External MH-23 quick charger; optional EH-5 mains adapter with EP-5 power connector	External MH-26a charger; optional EH-6c adapter with EP-6 power connector
Dimensions
Dimensions	Approximately 126 × 94 × 64 mm	Approximately 160 × 163 × 92 mm
Weight detail
Weight detail	Approximately 495 g excluding battery, SD card and body cap	Approximately 1270 g body only; 1450 g with battery and two CFexpress cards, excluding body cap and shoe cover
Materials
Materials	–	Magnesium-alloy body; dust/drip-resistant construction; illuminated controls
Colours
Colours	Black	–
In the box
In the box	EN-EL9 battery, MH-23 charger, UC-E4 USB cable, AN-DC1 strap, body cap, DK-5 eyepiece cap, DK-16 eyecup and PictureProject CD-ROM	EN-EL18c battery, MH-26a charger, UC-E24 USB cable, AN-DC22 strap, DK-27 eyepiece adapter, DK-17F eyepiece, BF-1B body cap, BS-3 shoe cover, BL-6 battery cover and HDMI/USB cable clip
Video
Highest video resolution
Highest video resolution	–	3840 × 2160 at 30 fps
Video detail
Video detail	No movie recording or live-view composition; NTSC/PAL output is for playback	H.264 MOV/MP4 at 4K 30p/25p/24p, Full HD 60p/50p/30p/25p/24p and 720p 60p/50p; actual NTSC rates 59.94/29.97/23.976. Nikon identifies 4K as 1.5× crop and native 1920 × 1080 crop as 3.0×; the latter supports 60p/50p/30p/25p/24p. Maximum recording 29 minutes 59 seconds; 4K up to 144 Mbps; timecode and in-camera time-lapse movies. Cards over 32 GB formatted in-camera allow files over 4 GB without splitting
Audio
Audio	–	Built-in stereo microphone; 3.5 mm stereo microphone input and headphone output; adjustable sensitivity and attenuator; linear PCM for MOV or AAC for MP4; photograph voice memos