Here is a another quick comparison between the Nikon D4 and Canon 1Dx cameras based on the specifications provided by the manufacturers (please note that not all specs were directly comparable):
| Nikon D4 | Canon EOS-1Dx | |
| Announced | January, 2012 (availability: February 2012) |
October, 2011 (availability: March 2012) |
| Lens Mount | Nikon F bayonet mount | Canon EF mount |
| Effective Pixels | 16.2 million | 18.1 million |
| Sensor Size | 36.0 x 23.9mm | 36 mm x 24mm |
| Image Sensor Format | FX | full frame |
| File Format Still Images | JPEG NEF (RAW) NEF (RAW) + JPEG TIFF (RGB) |
JPEG, RAW (14-bit Canon Original) M-RAW S-RAW RAW+JPEG M-RAW+JPEG S-RAW+JPEG |
| Picture Control | Landscape Monochrome Neutral Portrait Standard User-customizable S Vivid |
Auto Standard Portrait Landscape Neutral Faithful Monochrome User Defined 1-3 |
| Storage Media | CompactFlash© (CF) (Type I, compliant with UDMA) XQD Type Memory |
Compatible with UDMA 7 CF cards |
| Card Slot | 1 CompactFlash© (CF) card and 1 XQD memory type card | Dual CF Cards (Type I or II) |
| Viewfinder Frame Coverage | FX (36×24): 100% Horizontal and 100% Vertical Approx. 1.2x (30×20): 97% Horizontal and 97% Vertical Approx. DX (24×16): 97% Horizontal and 97% Vertical Approx. 5:4 (30×24): 97% horizontal and 100% vertical Approx. |
Vertical/Horizontal approx. 100% |
| Viewfinder Magnification | 0.70x Approx. | Approx. 0.76x |
| Fastest Shutter Speed | 1/8000 sec. | 1/8000 sec. |
| Slowest Shutter Speed | 30 sec. | 30 sec. |
| Top Continuous Shooting Speed at full resolution | 10 frames per second 11 frames per second (AE/AF Locked) |
Super High-speed: 14 shots/sec. High-speed: 12 shots/sec. Low-speed: 3 shots/sec. |
| Exposure Compensation | ±5 EV in increments of 1/3, 1/2 or 1 EV | ±3 stops in 1/3- or 1/2-stop increments |
| ISO Sensitivity | ISO 100 – 12,800 Lo-1 (ISO 50) Hi-4 (ISO 204,800) |
ISO 100-51200 Extension settable: ISO 50; 102,400 and 204,800 |
| Dynamic AF Mode | Number of AF points: 9, 21, 51 and 51 (3D-tracking) | One to five cross-type AF points at f/2.8 10 to 20 cross-type AF points at f/4, and 15 to 21 cross-type AF points at f/5.6. (The number of cross-type AF points will differ depending on the lens.) |
| Focus Modes | Auto AF-S/AF-C selection (AF-A) Continuous-servo (AF-C) Face-Priority AF available in Live View only and D-Movie only Full-time Servo (AF-A) available in Live View only Manual (M) with electronic rangefinder Normal area Single-servo AF (AF-S) Wide area |
Single-point AF (Manual selection) Auto selection 61-point AF Single-point Spot AF (Manual selection) AF point expansion (Manual selection, 4 points: up, down, left, and right) AF point expansion (Manual selection, surrounding 8 points) Zone AF (Manual zone selection) |
| Maximum Autofocus Areas/Points | 51 | 61 |
| Built-in Flash | — | — |
| Flash Compensation | -3 to +1 EV in increments of 1/3, 1/2 or 1 EV | ±3 stops in 1/3- or 1/2-stop increments |
| White Balance | Auto (2 types) Choose color temperature (2500K–10000K) Cloudy Direct Sunlight Flash Fluorescent (7 types) Incandescent Preset manual (up to 4 values can be stored) Shade |
Auto Daylight ShadeCloudy Tungsten Light White Fluorescent Light Flash Custom Color Temperature setting |
| Movie | HD 1,920×1,080 / 30 fps HD 1,920×1,080 / 24 fps HD 1,280×720 / 30 fps HD 1,280×720 / 60 fps |
1920 x 1080: 30 fps / 25 fps / 24 fps 1280 x 720: 60 fps / 50 fps 640 x 480: 30 fps / 25 fps |
| Monitor Size | 3.2 in. diagonal | 3.2-inches |
| Monitor Resolution | 921,000 Dots | Approx. 1.04 million dots |
| Monitor Type | Wide Viewing Angle TFT-LCD | TFT color, liquid-crystal monitor |
| Battery Life (shots per charge) | 2,600 Battery Life (shots per charge) (CIPA) | TBA |
| Approx. Dimensions | Width 6.3 in. (160mm) Height 6.2 in. (156.5mm) Depth 3.6 in. (90.5mm) |
6.2 x 6.4 x 3.3 in. (158 x 163.6 x 82.7 mm) |
| Approx. Weight | 41.6 oz. (1180g)camera body only | TBA |
| Price | $5,999.95 | $6,800.00 |
