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Nikon P900 vs Sony A77

The Nikon Coolpix P900 and the Sony Alpha SLT-A77 are two digital cameras that were announced, respectively, in March 2015 and August 2011. The P900 is a fixed lens compact, while the A77 is a DSLR. The cameras are based on a 1/2.3-inch (P900) and an APS-C (A77) sensor. The Nikon has a resolution of 15.9 megapixels, whereas the Sony provides 24 MP.

Below is an overview of the main specs of the two cameras as a starting point for the comparison.

Headline Specifications
Nikon P900
versus
Sony A77
Nikon P900   Sony A77
Fixed lens compact camera Digital single lens reflex
24-2000mm f/2.8-6.5 Sony A mount lenses
15.9 MP – 1/2.3" sensor 24 MP – APS-C sensor
1080/60p Video 1080/60p Video
ISO 100-6,400 (100 - 12,800) ISO 100-16,000 (50 - 25,600)
Electronic viewfinder (921k dots) Electronic viewfinder (2359k dots)
3.0" LCD – 921k dots 3.0" LCD – 921k dots
Swivel screen (not touch-sensitive) Fully flexible screen (no touchscreen)
7 shutter flaps per second 12 shutter flaps per second
Lens-based stabilizationIn-body stabilization
not weather sealedWeathersealed body
360 shots per battery charge470 shots per battery charge
140 x 103 x 137 mm, 899 g 143 x 104 x 81 mm, 732 g
Nikon P900:
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Sony A77:
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Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon Coolpix P900 and the Sony Alpha SLT-A77? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.

Body comparison

The side-by-side display below illustrates the physical size and weight of the Nikon P900 and the Sony A77. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All width, height and depth dimensions are rounded to the nearest millimeter.

Size Nikon P900 vs Sony A77
Compare P900 versus A77 top
Comparison P900 or A77 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A77 is somewhat larger (3 percent) than the Nikon P900. It is noteworthy in this context that the A77 is splash and dust-proof, while the P900 does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the P900 has a lens built in, whereas the A77 is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup.

Concerning battery life, the P900 gets 360 shots out of its EN-EL23 battery, while the A77 can take 470 images on a single charge of its NP-FM500H power pack. The power pack in the P900 can be charged via the USB port, so that it is not always necessary to take the battery charger along when travelling.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. In case you want to display and compare another camera duo, you can use the CAM-parator app to select your camera combination among a large number of options.

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Body Specifications
    Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Nikon P900 140 mm 103 mm 137 mm 899 g 360 n Mar 2015 599i
2.
 
Sony A77 143 mm 104 mm 81 mm 732 g 470 Y Aug 2011 1,399i
3.
 
Canon SX60 128 mm 93 mm 114 mm 650 g 340 n Sep 2014 549i
4.
 
Kodak AZ901 139 mm 104 mm 119 mm 777 g 400 n Jan 2016 499 i
5.
 
Nikon P950 140 mm 110 mm 150 mm 1005 g 290 n Jan 2020 799 i
6.
 
Nikon P1000 146 mm 119 mm 181 mm 1415 g 250 n Jul 2018 999 i
7.
 
Nikon B700 125 mm 85 mm 107 mm 565 g 350 n Feb 2016 499 i
8.
 
Nikon B500 114 mm 78 mm 95 mm 541 g 600 n Jan 2016 299i
9.
 
Nikon L840 113 mm 78 mm 96 mm 538 g 590 n Feb 2015 299i
10.
 
Panasonic FZ100 124 mm 82 mm 92 mm 540 g 410 n Jul 2010 499i
11.
 
Pentax K-3 131 mm 100 mm 77 mm 800 g 560 Y Oct 2013 1,299i
12.
 
Ricoh GR II 117 mm 63 mm 35 mm 251 g 320 n Jun 2015 699 i
13.
 
Sony A6500 120 mm 67 mm 53 mm 453 g 350 Y Oct 2016 1,399i
14.
 
Sony A7 II 127 mm 96 mm 60 mm 599 g 350 Y Nov 2014 1,999i
15.
 
Sony A77 II 143 mm 104 mm 81 mm 647 g 480 Y May 2014 1,199 i
16.
 
Sony HX400V 130 mm 93 mm 103 mm 660 g 300 n Feb 2014 499 i
17.
 
Sony A99 147 mm 111 mm 78 mm 812 g 500 Y Sep 2012 2,799i
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

Any camera decision will obviously take relative prices into account. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The P900 was launched at a lower price than the A77, despite having a lens built in. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

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Sensor comparison

The size of the imaging sensor is a crucial determinant of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels in a sensor of the same technological generation. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better isolate a subject from the background. On the downside, larger sensors tend to be associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Nikon P900 features a 1/2.3-inch sensor and the Sony A77 an APS-C sensor. The sensor area in the A77 is 1211 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 5.6 and 1.5. The sensor in the P900 has a native 4:3 aspect ratio, while the one in the A77 offers a 3:2 aspect.

Nikon P900 and Sony A77 sensor measures

With 24MP, the A77 offers a higher resolution than the P900 (15.9MP), but the A77 nevertheless has larger individual pixels (pixel pitch of 3.91μm versus 1.33μm for the P900) due to its larger sensor. However, the P900 is a much more recent model (by 3 years and 6 months) than the A77, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that the P900 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Sony A77 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A77 for good quality output (200 dots per inch) amounts to 30 x 20 inches or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inches or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inches or 50.8 x 33.9 cm. The corresponding values for the Nikon P900 are 23 x 17.3 inches or 58.5 x 43.9 cm for good quality, 18.4 x 13.8 inches or 46.8 x 35.1 cm for very good quality, and 15.4 x 11.5 inches or 39 x 29.3 cm for excellent quality prints.

The Nikon Coolpix P900 has a native sensitivity range from ISO 100 to ISO 6400, which can be extended to ISO 100-12800. The corresponding ISO settings for the Sony Alpha SLT-A77 are ISO 100 to ISO 16000, with the possibility to increase the ISO range to 50-25600.

P900 versus A77 MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

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Sensor Characteristics
    Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Nikon P900 1/2.3 15.9 4608 34561080/60p20.211.672747
2.
 
Sony A77 APS-C 24.0 6000 40001080/60p24.013.280178
3.
 
Canon SX60 1/2.3 14.2 4608 30721080/60p19.210.812739
4.
 
Kodak AZ901 1/2.3 20.2 5184 38881080/30p20.311.780648
5.
 
Nikon P950 1/2.3 15.9 4608 34564K/30p20.712.3118952
6.
 
Nikon P1000 1/2.3 15.9 4608 34564K/30p20.612.1104451
7.
 
Nikon B700 1/2.3 20.2 5184 38884K/30p20.411.881848
8.
 
Nikon B500 1/2.3 15.9 4608 34561080/60i20.311.781048
9.
 
Nikon L840 1/2.3 15.9 4608 34561080/60i20.211.672147
10.
 
Panasonic FZ100 1/2.3 14.0 4320 32401080/60i19.410.730639
11.
 
Pentax K-3 APS-C 24.1 6016 40001080/60i23.713.4121680
12.
 
Ricoh GR II APS-C 16.1 4928 32641080/30p23.613.7107880
13.
 
Sony A6500 APS-C 24.0 6000 40004K/30p24.513.7140585
14.
 
Sony A7 II Full Frame 24.0 6000 40001080/60p24.913.6244990
15.
 
Sony A77 II APS-C 24.0 6000 40001080/60p23.512.7144277
16.
 
Sony HX400V 1/2.3 20.2 5184 38881080/60p20.111.462945
17.
 
Sony A99 Full Frame 24.0 6000 40001080/60p25.014.0155589
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras cannot only take still pictures, but also record videos. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, and both provide the same movie specifications (1080/60p).

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. The two cameras under review are similar with respect to both having an electronic viewfinder. However, the one in the A77 offers a substantially higher resolution than the one in the P900 (2359k vs 921k dots). The following table reports on some other key feature differences and similarities of the Nikon P900, the Sony A77, and comparable cameras.

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Core Features
    Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Nikon P900921 n3.0 / 921 swivel n 1/4000s 7.0/s Y Y
2.
 
Sony A772359 Y3.0 / 921 full-flex n 1/8000s 12.0/s Y Y
3.
 
Canon SX60922 n3.0 / 922 swivel n 1/2000s 6.4/s Y Y
4.
 
Kodak AZ901202 n3.0 / 920 swivel n 1/2000s 5.0/s Y Y
5.
 
Nikon P9502359 n3.2 / 921 swivel n 1/4000s 7.0/s Y Y
6.
 
Nikon P10002359 n3.2 / 921 swivel n 1/4000s 7.0/s Y Y
7.
 
Nikon B700921 n3.0 / 921 swivel n 1/4000s 5.0/s Y Y
8.
 
Nikon B500none n3.0 / 921 tilting n 1/4000s 7.4/s Y Y
9.
 
Nikon L840none n3.0 / 921 tilting n 1/4000s 7.4/s Y Y
10.
 
Panasonic FZ100202 n3.0 / 460 swivel n 1/2000s 11.0/s Y Y
11.
 
Pentax K-3optical Y3.2 / 1037 fixed n 1/8000s 8.3/s Y Y
12.
 
Ricoh GR IIoptional n3.0 / 1230 fixed n 1/4000s 4.0/s Y n
13.
 
Sony A65002359 n3.0 / 922 tilting Y 1/4000s 11.0/s Y Y
14.
 
Sony A7 II2400 n3.0 / 1230 tilting n 1/8000s 5.0/s n Y
15.
 
Sony A77 II2359 Y3.0 / 1229 full-flex n 1/8000s 12.0/s Y Y
16.
 
Sony HX400V210 n3.0 / 921 tilting n 1/4000s 10.0/s Y Y
17.
 
Sony A992359 Y3.0 / 1229 full-flex n 1/8000s 6.0/s n Y
Notes: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One feature that is present on the A77, but is missing on the P900 is a top-level LCD. While being, of course, smaller than the rear screen, the control panel conveys some of the essential shooting information and can be convenient for quick and easy settings verification.

Both cameras have an articulated rear screen that can be turned to be front-facing. This feature will be particularly appreciated by vloggers and photographers who are interested in taking selfies.

The Nikon P900 has an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

The P900 writes its imaging data to SDXC cards, while the A77 uses SDXC or Memory Stick PRO Duo cards. The A77 supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the P900 cannot take advantage of Ultra High Speed SD cards.

Connectivity comparison

For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Nikon Coolpix P900 and Sony Alpha SLT-A77 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
    Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Nikon P900-stereo / mono--micro2.0YY-
2.
 
Sony A77Ystereo / monoY-mini2.0---
3.
 
Canon SX60Ystereo / monoY-mini2.0YY-
4.
 
Kodak AZ901-stereo / mono--micro2.0Y--
5.
 
Nikon P950Ystereo / monoY-micro2.0Y-Y
6.
 
Nikon P1000Ystereo / monoY-micro2.0Y-Y
7.
 
Nikon B700-stereo / mono--micro2.0YYY
8.
 
Nikon B500-stereo / mono--micro2.0YYY
9.
 
Nikon L840-stereo / mono--micro2.0YY-
10.
 
Panasonic FZ100Ystereo / mono--mini2.0---
11.
 
Pentax K-3Ymono / monoYYmini3.0---
12.
 
Ricoh GR IIYstereo / mono--micro2.0YY-
13.
 
Sony A6500Ystereo / monoY-micro2.0YY-
14.
 
Sony A7 IIYstereo / monoYYmicro2.0YY-
15.
 
Sony A77 IIYstereo / monoY-mini2.0YY-
16.
 
Sony HX400VYstereo / mono--micro2.0YY-
17.
 
Sony A99Ystereo / monoYYmini2.0---

It is notable that the P900 offers wifi support, while the A77 does not. Wifi can be a very convenient means to transfer image data to an off-camera location.

Studio photographers will appreciate that the Sony A77 (unlike the P900) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Travel and landscape photographers will find it useful that both cameras feature internal geolocalization sensors and can record GPS coordinates in their EXIF data.

Both the P900 and the A77 have been discontinued, but can regularly be found used on eBay. The A77 was replaced by the Sony A77 II, while the P900 was followed by the Nikon P950. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Nikon and Sony websites.

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Review summary

So what is the bottom line? Is the Nikon P900 better than the Sony A77 or vice versa? Below is a summary of the relative strengths of each of the two contestants.

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Arguments in favor of the Nikon Coolpix P900:

  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Ready to shoot: Comes with a built-in lens, while the A77 requires a separate lens.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • More affordable: Was introduced at a lower price, despite coming with a built-in lens.
  • More modern: Reflects 3 years and 6 months of technical progress since the A77 launch.

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Reasons to prefer the Sony Alpha SLT-A77:

  • More detail: Has more megapixels (24 vs 15.9MP), which boosts linear resolution by 25%.
  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better image quality: Features bigger pixels on a larger sensor for higher quality imaging.
  • Richer colors: The pixel size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger pixels capture a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger pixels means good image quality even under poor lighting.
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • More detailed viewfinder: Has higher resolution electronic viewfinder (2359k vs 921k dots).
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (12 vs 7 flaps/sec) to capture the decisive moment.
  • More flexible: Makes it possible to change lenses and thus to use specialty optics.
  • Longer lasting: Gets more shots (470 versus 360) out of a single battery charge.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More heavily discounted: Has been around for much longer (launched in August 2011).

If the number of relative strengths (bullet points above) is taken as a guide, the A77 is the clear winner of the contest (18 : 8 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision. A professional wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

P900 08:18 A77

How about other alternatives? Do the specifications of the Nikon P900 and the Sony A77 place the cameras among the top in their class? Find out in the latest Best Superzoom Camera and Best DSLR Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it remains incomplete and does no justice, for example, to the way the P900 or the A77 perform in practice. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable.

Expert reviews

This is why expert reviews are important. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

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Expert Camera Reviews
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Nikon P900......77/1004/54/5 Mar 2015 599i
2.
 
Sony A775/591/100..81/100..5/5 Aug 2011 1,399i
3.
 
Canon SX603/5+ +..75/1004/54.5/5 Sep 2014 549i
4.
 
Kodak AZ901........3.5/53/5 Jan 2016 499 i
5.
 
Nikon P950....3/5..4/54/5 Jan 2020 799 i
6.
 
Nikon P1000..+3.5/573/1003.5/53.5/5 Jul 2018 999 i
7.
 
Nikon B700..+....4/54/5 Feb 2016 499 i
8.
 
Nikon B500..+....4/53.5/5 Jan 2016 299i
9.
 
Nikon L840..+ +....3.5/54/5 Feb 2015 299i
10.
 
Panasonic FZ100..+....4.5/54.5/5 Jul 2010 499i
11.
 
Pentax K-34/5....83/1005/55/5 Oct 2013 1,299i
12.
 
Ricoh GR II........4.5/54.5/5 Jun 2015 699 i
13.
 
Sony A65005/5+ +3.5/585/1004.5/54.5/5 Oct 2016 1,399i
14.
 
Sony A7 II5/5+4/582/1004.5/55/5 Nov 2014 1,999i
15.
 
Sony A77 II4/5....80/1004.5/55/5 May 2014 1,199 i
16.
 
Sony HX400V4/5+ +....4/54/5 Feb 2014 499 i
17.
 
Sony A995/5....84/1004.5/54.5/5 Sep 2012 2,799i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, though. The ratings are only valid when referring to cameras in the same category and of the same age. Hence, a score should always be seen in the context of the camera's market launch date and its price, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

Nikon P900:
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Sony A77:
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Other camera comparisons

Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just make your choice using the following search menu. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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    Specifications: Nikon P900 vs Sony A77

    Below is a side-by-side comparison of the specs of the two cameras to facilitate a quick review of their differences and common features.

    Camera Specifications
    Camera Model Nikon P900 Sony A77
    Camera Type Fixed lens compact camera Digital single lens reflex
    Camera Lens 24-2000mm f/2.8-6.5 Sony A mount lenses
    Launch Date March 2015 August 2011
    Launch Price USD 599 USD 1,399
    Sensor Specs Nikon P900 Sony A77
    Sensor Technology BSI-CMOS CMOS
    Sensor Format 1/2.3" Sensor APS-C Sensor
    Sensor Size 6.17 x 4.55 mm 23.5 x 15.6 mm
    Sensor Area 28.0735 mm2 366.6 mm2
    Sensor Diagonal 7.7 mm 28.2 mm
    Crop Factor 5.6x 1.5x
    Sensor Resolution 15.9 Megapixels 24 Megapixels
    Image Resolution 4608 x 3456 pixels 6000 x 4000 pixels
    Pixel Pitch 1.33 μm 3.91 μm
    Pixel Density 56.73 MP/cm2 6.55 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 1080/60p Video 1080/60p Video
    ISO Setting 100 - 6,400 ISO 100 - 16,000 ISO
    ISO Boost 100 - 12,800 ISO 50 - 25,600 ISO
    Image Processor EXPEED C2 BIONZ X
    DXO Sensor Quality (score) .. 78
    DXO Color Depth (bits) .. 24.0
    DXO Dynamic Range (EV) .. 13.2
    DXO Low Light (ISO) .. 801
    Screen Specs Nikon P900 Sony A77
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.73x
    Viewfinder Resolution 921k dots 2359k dots
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 921k dots 921k dots
    LCD Attachment Swivel screen Fully flexible screen
    Shooting Specs Nikon P900 Sony A77
    Focus System Contrast-detect AF Phase-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 7 shutter flaps/s 12 shutter flaps/s
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationLens-based stabilizationIn-body stabilization
    Fill Flash Built-in Flash Built-in Flash
    Storage Medium SDXC cards MS or SDXC cards
    Second Storage Option Single card slot Single card slot
    UHS card support no UHS-I
    Connectivity Specs Nikon P900 Sony A77
    External Flash no Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 2.0
    HDMI Port micro HDMI mini HDMI
    Microphone Port no MIC socket External MIC port
    Wifi Support Wifi built-in no Wifi
    Near-Field Communication NFC built-in no NFC
    Geotagging GPS built-in GPS built-in
    Body Specs Nikon P900 Sony A77
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type EN-EL23 NP-FM500H
    Battery Life (CIPA)360 shots per charge470 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 140 x 103 x 137 mm
    (5.5 x 4.1 x 5.4 in)
    143 x 104 x 81 mm
    (5.6 x 4.1 x 3.2 in)
    Camera Weight 899 g (31.7 oz) 732 g (25.8 oz)
    Nikon P900:
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    Sony A77:
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