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Nikon D3X vs Nikon D780

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

Better figure, where one is clearly better

NikonD3XNikonD780
Overview
ReleasedDecember 2008January 2020
Image and sensor
Camera typeDSLRDSLR
Sensor formatFull frameFull frame
Sensor typeCMOSBackside-illuminated CMOS
Sensor dimensions35.9 × 24 mm35.9 × 23.9 mm
Effective resolution24.5 MP24.5 MP
Largest image6048 × 40326048 × 4024
RAW recordingYesYes
Standard ISO range100–1600100–51200
Sensor detail25.72 million total pixels; FX, DX and 5:4 image areas; maximum DX image 3968 × 2640 and 5:4 image 5056 × 4032. No automatic sensor-cleaning mechanism; Image Dust Off reference data can be used with optional Capture NX 225.28 million total pixels; sensor cleaning and image-dust-off reference data
Image formats12-bit or 14-bit NEF RAW, uncompressed, compressed or losslessly compressed; JPEG, TIFF RGB and RAW plus JPEG12/14-bit NEF RAW with lossless or ordinary compression; JPEG and RAW plus JPEG
ISO detailExpanded equivalents ISO 50–6400; Auto ISOExpandable to equivalent ISO 50–204800; Auto ISO available
Image processorEXPEED image-processing system; Scene Recognition SystemEXPEED 6
Lens and shooting
Lens mountNikon F mountNikon F mount
StabilisationOptical lens stabilisationOptical lens stabilisation
Maximum continuous burst5 fps12 fps
Lens detailAF coupling supports compatible screw-drive lenses; DX lenses supported with automatic crop. Supported non-CPU AI lenses permit aperture-priority and manual exposure, with colour matrix metering when lens data is entered; IX and F3AF lenses unsupportedF-mount G/E/D, supported AF, P and AI non-CPU lenses with restrictions; DX lenses use a crop; non-AI, IX and F3AF lenses unsupported
AutofocusMulti-CAM 3500FX phase detection; 51 points including 15 cross-type; single-point, auto-area and dynamic 9/21/51-point modes with 3D tracking; AF fine-tuningViewfinder Advanced Multi-CAM 3500II phase detection with 51 points, 15 cross-type and 11 supporting f/8. Live-view hybrid phase/contrast detection provides 273 FX still-image single-point positions and eye detection. UK/Japan sensitivity −3 EV viewfinder, −5 EV live view or −7 EV low-light AF under maker conditions; US launch prose's −4 EV viewfinder claim conflicts with exact specs.
Shutter1/8000 to 30 seconds and Bulb; flash sync 1/250 second; shutter tested to 300000 cyclesMechanical, electronic front-curtain and electronic shutters; 1/8000 to 30 seconds, Bulb and Time; manual-mode extension to 900 seconds. Flash sync 1/200 second with compatible Auto FP support.
Burst detailApproximately 5 fps at full FX resolution or in 5:4; up to 7 fps in the 10.5-megapixel DX crop. Recording 14-bit NEF RAW reduces the maximum to 1.8 fps in FX/5:4 or 2.6 fps in DX. Maker rates require continuous-servo AF, shutter-priority or manual exposure, at least 1/250 second and other specified default settingsUp to 7 fps through the optical viewfinder; silent live view up to 12 fps with 12-bit RAW or 8 fps with 14-bit RAW. Low-speed 1–6 fps viewfinder or 1–3 fps live view; quiet continuous 3 fps. Reduced-resolution movie-frame still captures at up to 120 fps are separate from full-resolution continuous shooting.
Stabilisation detailOptical VR depends on the attached lens; no sensor-shift stabilisationNo sensor-shift stabilisation; optical VR depends on the attached lens; electronic movie VR available
FlashNo built-in flash; hot shoe and PC sync terminal; compatible external Speedlights provide i-TTL and Creative Lighting System functionsNo built-in flash; ISO 518 hot shoe and compatible external i-TTL Speedlights; optional AS-15 provides a flash-sync terminal
Exposure controlsP/S/A/M; 1005-pixel RGB 3D Colour Matrix Metering II; ±5 EV compensation; Active D-LightingAuto, P/S/A/M, effects and U1/U2 settings; ±5 EV still-image or ±3 EV movie compensation; 180K-pixel RGB viewfinder metering sensor
Screen and viewfinder
ViewfinderOpticalOptical
Screen size3″3.2″
Screen dots920,0002,359,000
Touchscreen–Yes
Tilting screenNoYes
Display detailFixed TFT with 170° viewing angle; dots count subpixels; separate top and rear status panelsApproximately 100% coverage, 170° viewing angle and vertical tilt; maker UK states 2359K dots, Japan rounds to approximately 2.36 million; dots count subpixels
Viewfinder detailPentaprism; approximately 100% FX coverage, 97% DX coverage and 100% vertical/97% horizontal in 5:4; 0.7× magnification with 50mm at infinity; 18 mm eyepoint; replaceable focusing screen and eyepiece shutterPentaprism, approximately 100% FX coverage, 0.7× magnification with 50mm f/1.4 at infinity, 21 mm eyepoint and −3 to +1 dioptre adjustment
Connections and design
Wi-FiNoYes
Bluetooth–Yes
Battery life (maker's claim)4400 photographs2260 photographs
Body weight1220 g755 g
Release detailNikon's original US announcement specifies December 2008 availability; Japan records 19 December. Main retains the monthNikon US announced on 6 January 2020 and specified availability in late January; global announcement dated 7 January. Main uses the confirmed month without inferring a UK retail day.
Recording mediaTwo CompactFlash Type I/II slots, including UDMA and Microdrive support; overflow, backup, separate RAW/JPEG recording and card-to-card copyingTwo UHS-II SD/SDHC/SDXC slots; overflow, backup, RAW/JPEG separation and card copying
PortsUSB 2.0 Hi-Speed, analogue NTSC/PAL output, full-size HDMI Type A, ten-pin accessory terminal and PC flash sync; optional GP-1 or MC-35 connects external GPS equipmentUSB-C SuperSpeed USB, mini HDMI Type C, 3.5 mm microphone and headphone sockets, accessory terminal for MC-DC2; optional WT-7 provides network connectivity
Wireless connectionsOptional WT-4 transmitter supplies network transfer; Wi-Fi is not built into the bodyWi-Fi IEEE 802.11a/b/g/n/ac and Bluetooth 4.2; SnapBridge
Battery life detailEN-EL4a; approximately 4400 shots under CIPA conditions with AF-S NIKKOR 24–70mm f/2.8G ED and no live view. Separate Nikon continuous test claims approximately 5300 with AF-S VR 70–200mm f/2.8 ED; EN-EL4 also supportedEN-EL15b; approximately 2260 CIPA single-frame shots or 4570 shots under Nikon's separate continuous-shooting test; approximately 95 minutes of movie recording. EN-EL15a/15 compatibility with restrictions; EN-EL15c may be supplied.
ChargingExternal MH-22 charger; optional MH-21 charger and EH-6 AC adapterIn-camera charging with EN-EL15b and optional EH-7P; external MH-25a charger. Optional AC adapter and EP-5B power connector.
DimensionsApproximately 159.5 × 157 × 87.5 mmApproximately 143.5 × 115.5 × 76 mm
Weight detailApproximately 1220 g excluding battery, card, body cap and accessory-shoe coverApproximately 755 g body only or 840 g including battery and SD card, excluding body cap
MaterialsMagnesium-alloy construction with dust and moisture seals; integrated vertical grip; not a waterproof ratingWeather-sealed magnesium alloy construction; maker operating range 0–40°C
In the box–EN-EL15-series battery, MH-25a charger, UC-E24 USB cable, AN-DC21 strap, BF-1B body cap, DK-5 eyepiece cap and DK-31 eyecup; battery revision may vary
Video
Highest video resolution–3840 × 2160 at 29.97 fps
Video detailNo movie recording. Handheld live view uses phase-detection AF; Tripod live view uses contrast-detection AFUHD 3840 × 2160 at 29.97/25/23.976p without extra FX crop, oversampled from 6K sensor data; Full HD up to 119.88p and separate silent slow-motion modes. H.264 MOV/MP4; limit 29 minutes 59 seconds. 10-bit N-Log and HLG require an external HDMI recorder and cannot simultaneously record that output to the camera card. UK prose's DX 50/60p statement does not mean UHD 50/60p; exact maker UHD table tops out at 30p.
AudioVoice memo recording and playback for still photographs; not movie audioBuilt-in stereo microphones, external 3.5 mm microphone input and headphone output; PCM or AAC depending on file format; microphone attenuator

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