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Nikon D7500 vs Sony A7R III

The Nikon D7500 and the Sony Alpha A7R III are two enthusiast cameras that were officially introduced, respectively, in April 2017 and October 2017. The D7500 is a DSLR, while the A7R III is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (D7500) and a full frame (A7R III) sensor. The Nikon has a resolution of 20.7 megapixels, whereas the Sony provides 42.2 MP.

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

Headline Specifications
Nikon D7500 versus Sony A7R III
Nikon D7500 Sony A7R III
Digital single lens reflex Mirrorless system camera
Nikon F mount lenses Sony E mount lenses
20.7 MP, APS-C Sensor 42.2 MP, Full Frame Sensor
4K/30p Video 4K/30p Video
ISO 100-51,200 (50 - 1,640,000) ISO 100-32,000 (50 - 102,400)
Optical viewfinder Electronic viewfinder (3686k dots)
3.2 LCD, 922k dots 3.0 LCD, 1440k dots
Tilting touchscreen Tilting touchscreen
8 shutter flaps per second 10 shutter flaps per second
Lens stabilization onlyIn-body stabilization
Weathersealed bodyWeathersealed body
950 shots per battery charge650 shots per battery charge
136 x 104 x 73 mm, 720 g 127 x 96 x 74 mm, 650 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D7500 and the Sony Alpha A7R III? 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

An illustration of the physical size and weight of the Nikon D7500 and the Sony A7R III is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All size dimensions are rounded to the nearest millimeter.

Size Nikon D7500 vs Sony A7R III
Compare D7500 versus A7R III top
Comparison D7500 or A7R III rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7R III is notably smaller (14 percent) than the Nikon D7500. Moreover, the A7R III is markedly lighter (10 percent) than the D7500. In this context, it is worth noting that both cameras are splash and dust-proof and can, hence, be used in inclement weather conditions or harsh environments.

The above size and weight comparisons are to some extent incomplete since they do not consider the interchangeable lenses that both of these cameras require. A larger imaging sensor will tend to go along with bigger and heavier lenses, although exceptions exist. You can compare the optics available for the two cameras in the Nikon Lens Catalog (D7500) and the Sony FE Lens Catalog (A7R III). Mirrorless cameras, such as the A7R III, have moreover the advantage that they can use many lenses from other systems via adapters, as they have a relatively short flange to focal plane distance.

Concerning battery life, the D7500 gets 950 shots out of its EN-EL15a battery, while the A7R III can take 650 images on a single charge of its NP-FZ100 power pack. The power pack in the A7R III can be charged via the USB port, which can be very convenient when travelling.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. In case you want to display and compare another camera duo, just click on the right or left arrow next to the camera that you would like to inspect. Alternatively, you can also use the CAM-parator to select your camera combination among a larger number of options.

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Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life 1
Weather
Sealing
Camera
Launch 2
Launch
Price (USD)
Street
Price
 
Nikon D7500 5.4 in 4.1 in 2.9 in 25.4 oz 950 Y Apr 2017 1,299 i
 
Sony A7R III 5.0 in 3.8 in 2.9 in 22.9 oz 650 Y Oct 2017 3,199i
 
Canon 80D 5.5 in 4.1 in 3.1 in 25.8 oz 960 Y Feb 2016 1,199i
 
Nikon Z7 5.3 in 4.0 in 2.6 in 23.8 oz 330 Y Aug 2018 3,399i
 
Nikon D5600 4.9 in 3.8 in 2.8 in 16.4 oz 970 n Nov 2016 699 i
 
Nikon D5 6.3 in 6.3 in 3.6 in 49.9 oz 3780 Y Jan 2016 6,499i
 
Nikon D500 5.8 in 4.5 in 3.2 in 30.3 oz 1240 Y Jan 2016 1,999 i
 
Nikon D3400 4.9 in 3.9 in 3.0 in 15.7 oz 1200 n Aug 2016 499i
 
Nikon D7200 5.4 in 4.2 in 3.0 in 27.0 oz 1110 Y Mar 2015 1,199i
 
Nikon D7100 5.4 in 4.2 in 3.0 in 27.0 oz 950 Y Feb 2013 1,199i
 
Nikon D610 5.6 in 4.4 in 3.2 in 30.0 oz 900 Y Oct 2013 1,999 i
 
Nikon D7000 5.2 in 4.1 in 3.0 in 27.5 oz 1050 Y Sep 2010 1,499i
 
Nikon D90 5.2 in 4.1 in 3.0 in 24.8 oz 850 n Aug 2008 1,299i
 
Sony A9 5.0 in 3.8 in 2.5 in 23.7 oz 650 Y Apr 2017 4,499i
 
Sony A99 II 5.6 in 4.1 in 3.0 in 29.9 oz 490 Y Sep 2016 3,199 i
 
Sony A7R II 5.0 in 3.8 in 2.4 in 22.0 oz 290 Y Jun 2015 3,199i
 
Sony A7S II 5.0 in 3.8 in 2.4 in 22.1 oz 370 Y Sep 2015 2,999i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
(1) Number of images that can be taken on a full battery charge according to the CIPA-standard; (2) Official announcement.

Any camera decision will naturally be influenced heavily by the price. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The D7500 was launched at a markedly lower price (by 59 percent) than the A7R III, which puts it into a different market segment. 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.

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Sensor comparison

The imaging sensor is at the core of digital cameras and its size is one of the main determining factors of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have richer color-depth than smaller pixels in a sensor of the same technological generation. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to isolate a subject from the background. On the downside, larger sensors are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Nikon D7500 features an APS-C sensor and the Sony A7R III a full frame sensor. The sensor area in the A7R III is 134 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.5 and 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Nikon D7500 and Sony A7R III sensor measures

With 42.2MP, the A7R III offers a higher resolution than the D7500 (20.7MP), but the A7R III nevertheless has larger individual pixels (pixel pitch of 4.52μm versus 4.22μm for the D7500) due to its larger sensor. Moreover, the A7R III is a somewhat more recent model (by 6 months) than the D7500, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that neither of the two cameras has an anti-alias filter installed, so they are able to capture all the detail the sensor resolves.

The resolution advantage of the Sony A7R III implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A7R III for good quality output (200 dots per inch) amounts to 39.8 x 26.5 inches or 101 x 67.4 cm, for very good quality (250 dpi) 31.8 x 21.2 inches or 80.8 x 53.9 cm, and for excellent quality (300 dpi) 26.5 x 17.7 inches or 67.3 x 44.9 cm. The corresponding values for the Nikon D7500 are 27.8 x 18.6 inches or 70.7 x 47.1 cm for good quality, 22.3 x 14.8 inches or 56.6 x 37.7 cm for very good quality, and 18.6 x 12.4 inches or 47.1 x 31.4 cm for excellent quality prints.

The A7R III has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

Unlike the D7500, the A7R III has the capacity to capture high quality composite images by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).

The Nikon D7500 has a native sensitivity range from ISO 100 to ISO 51200, which can be extended to ISO 50-1640000. The corresponding ISO settings for the Sony Alpha A7R III are ISO 100 to ISO 32000, with the possibility to increase the ISO range to 50-102400.

D7500 versus A7R III MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). Of the two cameras under consideration, the A7R III offers substantially better image quality than the D7500 (overall score 14 points higher). The advantage is based on 1.7 bits higher color depth, 0.7 EV in additional dynamic range, and 1.2 stops in additional low light sensitivity. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

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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
 
Nikon D7500 APS-C 20.7 5568 37124K/30p24.314.0148386
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
 
Canon 80D APS-C 24.0 6000 40001080/60p23.613.2113579
 
Nikon Z7 Full Frame 45.4 8256 55044K/30p26.314.6266899
 
Nikon D5600 APS-C 24.0 6000 40001080/60p24.114.0130684
 
Nikon D5 Full Frame 20.7 5588 37124K/30p25.112.3234388
 
Nikon D500 APS-C 20.7 5568 37124K/30p24.014.0132483
 
Nikon D3400 APS-C 24.0 6000 40001080/60p24.813.9119286
 
Nikon D7200 APS-C 24.0 6000 40001080/60p24.514.6133387
 
Nikon D7100 APS-C 24.0 6000 40001080/60p24.213.7125683
 
Nikon D610 Full Frame 24.2 6016 40161080/30p25.114.4292594
 
Nikon D7000 APS-C 16.1 4928 326410800/24p23.513.9116780
 
Nikon D90 APS-C 12.2 4288 2848720/24p22.712.597773
 
Sony A9 Full Frame 24.0 6000 40004K/30p24.913.3351792
 
Sony A99 II Full Frame 42.2 7952 53044K/30p25.413.4231792
 
Sony A7R II Full Frame 42.2 7952 53044K/30p26.013.9343498
 
Sony A7S II Full Frame 12.0 4240 28324K/30p23.613.3299385

Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, and both provide the same movie specifications (4K/30p).

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Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the A7R III has an electronic viewfinder (3686k dots), while the D7500 has an optical one. Both systems have their advantages, with the electronic viewfinder making it possible to project supplementary shooting information into the framing view, whereas the optical viewfinder offers lag-free viewing and a very clear framing image. The viewfinders of both cameras offer the same field of view (100%), but the viewfinder of the A7R III has a higher magnification than the one of the D7500 (0.78x vs 0.61x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The table below summarizes some of the other core capabilities of the Nikon D7500 and Sony A7R III in connection with corresponding information for a sample of similar cameras.

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Core Features
  Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
(000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
 
Nikon D7500optical Y 3.2 922 tilting Y 1/8000s 8.0 Y n
 
Sony A7R III3686 n 3.0 1440 tilting Y 1/8000s 10.0 n Y
 
Canon 80Doptical Y 3.0 1040 swivel Y 1/8000s 7.0 Y n
 
Nikon Z73690 Y 3.2 2100 tilting Y 1/8000s 9.0 n Y
 
Nikon D5600optical n 3.2 1037 swivel Y 1/4000s 5.0 Y n
 
Nikon D5optical Y 3.2 2359 fixed Y 1/8000s 14.0 n n
 
Nikon D500optical Y 3.2 2359 tilting Y 1/8000s 10.0 n n
 
Nikon D3400optical n 3.0 921 fixed n 1/4000s 5.0 Y n
 
Nikon D7200optical Y 3.2 1229 fixed n 1/8000s 6.0 Y n
 
Nikon D7100optical Y 3.2 1229 fixed n 1/8000s 6.0 Y n
 
Nikon D610optical Y 3.2 921 fixed n 1/4000s 6.0 Y n
 
Nikon D7000optical Y 3.0 921 fixed n 1/8000s 6.0 Y n
 
Nikon D90optical Y 3.0 920 fixed n 1/4000s 4.5 Y n
 
Sony A93686 n 3.0 1440 tilting Y 1/8000s 20.0 n Y
 
Sony A99 II2400 Y 3.0 1229 full-flex n 1/8000s 12.0 n Y
 
Sony A7R II2400 n 3.0 1229 tilting n 1/8000s 5.0 n Y
 
Sony A7S II2400 n 3.0 1229 tilting n 1/8000s 5.0 n Y

One difference between the cameras concerns the presence of an on-board flash. The D7500 has one, while the A7R III does not. While the built-in flash of the D7500 is not very powerful, it can at times be useful as a fill-in light.

The reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, the A7R III is one of those camera that have an additional electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).

The Nikon D7500 and the Sony A7R III both have 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 D7500 writes its imaging data to SDXC cards, while the A7R III uses SDXC or Memory Stick PRO Duo cards. The A7R III features dual card slots, which can be very useful in case a memory card fails. In contrast, the D7500 only has one slot. The A7R III supports UHS-II cards (on its first slot), while the D7500 can use UHS-I cards.

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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 D7500 and Sony Alpha A7R III 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
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
 
Nikon D7500YstereomonoYYmini2.0Y-Y
 
Sony A7R IIIYstereomonoYYmicro3.1YYY
 
Canon 80DYstereomonoYYmini2.0YY-
 
Nikon Z7YstereomonoYYmicro3.1Y-Y
 
Nikon D5600YstereomonoY-mini2.0YYY
 
Nikon D5YstereomonoYYmini3.0---
 
Nikon D500YstereomonoYYmini3.0YYY
 
Nikon D3400Ymonomono--mini2.0--Y
 
Nikon D7200YstereomonoYYmini2.0YY-
 
Nikon D7100YstereomonoYYmini2.0---
 
Nikon D610YmonomonoYYmini2.0---
 
Nikon D7000YmonomonoY-mini2.0---
 
Nikon D90Ymonomono--mini2.0---
 
Sony A9YstereomonoYYmicro2.0YYY
 
Sony A99 IIYstereomonoYYmicro2.0YYY
 
Sony A7R IIYstereomonoYYmicro2.0YY-
 
Sony A7S IIYstereomonoYYmicro2.0YY-

Studio photographers will appreciate that the Sony A7R III (unlike the D7500) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

The D7500 is a recent model that features in the current product line-up of Nikon. In contrast, the A7R III has been discontinued (but can be found pre-owned on eBay). As a replacement in the same line of cameras, the A7R III was succeeded by the Sony A7R IV. 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 conclusions can be drawn? Which of the two cameras – the Nikon D7500 or the Sony A7R III – has the upper hand? Is one clearly better than the other? A synthesis of the relative strong points of each of the models is listed below.

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Reasons to prefer the Nikon D7500:

  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • Larger screen: Has a bigger rear LCD (3.2" vs 3.0") for image review and settings control.
  • Longer lasting: Can take more shots (950 versus 650) on a single battery charge.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More affordable: Was introduced into a lower priced category (59 percent cheaper at launch).
  • More heavily discounted: Has been on the market for longer (launched in April 2017).

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Arguments in favor of the Sony Alpha A7R III:

  • More detail: Has more megapixels (42.2 vs 20.7MP), which boosts linear resolution by 43%.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Better image quality: Scores substantially higher (14 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (1.7 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (0.7 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (1.2 stops ISO advantage).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.78x vs 0.61x).
  • More detailed LCD: Has a higher resolution rear screen (1440k vs 922k dots).
  • Faster burst: Shoots at higher frequency (10 vs 8 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More compact: Is smaller (127x96mm vs 136x104mm) and will fit more readily into a bag.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • Faster data transfer: Supports a more advanced USB protocol (3.1 vs 2.0).
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
  • More modern: Was introduced somewhat (6 months) more recently.

If the count of relative strengths (bullet points above) is taken as a measure, the A7R III is the clear winner of the contest (22 : 7 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding on a new camera. 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.

D7500 07:22 A7R III

How about other alternatives? Do the specifications of the Nikon D7500 and the Sony A7R III place the cameras among the top in their class? Find out in the latest Best DSLR Camera and Best Mirrorless Interchangeable Lens Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the D7500 or the A7R III. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.

Expert reviews

This is where reviews by experts come in. The table below provides a synthesis of the camera assessments of some of the best known photo-gear review sites (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). 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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Review Scores
  Camera
Model
camera
  labs  
dp
review  
ephoto
  zine  
imaging
resource
photography
  blog  
Camera
Launch
Launch
Price (USD)
Street
Price
 
Nikon D7500+ +86/1005/54.5/54.5/5 Apr 2017 1,299 i
 
Sony A7R III+ +90/1004.5/55/55/5 Oct 2017 3,199i
 
Canon 80D+ +84/1004.5/54.5/54.5/5 Feb 2016 1,199i
 
Nikon Z7+89/1004.5/54.5/55/5 Aug 2018 3,399i
 
Nikon D5600..79/1004.5/54.5/54/5 Nov 2016 699 i
 
Nikon D5..89/1004.5/55/55/5 Jan 2016 6,499i
 
Nikon D500+ +91/1004.5/55/55/5 Jan 2016 1,999 i
 
Nikon D3400+76/1004/54.5/54.5/5 Aug 2016 499i
 
Nikon D7200+ +84/1004.5/54/54.5/5 Mar 2015 1,199i
 
Nikon D7100+ +85/1004.5/55/54.5/5 Feb 2013 1,199i
 
Nikon D610+ +87/1004.5/54.5/54.5/5 Oct 2013 1,999 i
 
Nikon D7000..80/1004.5/55/54.5/5 Sep 2010 1,499i
 
Nikon D90+ ++ +4/55/54.5/5 Aug 2008 1,299i
 
Sony A9+ +89/1005/55/55/5 Apr 2017 4,499i
 
Sony A99 II..85/1004.5/54.5/54.5/5 Sep 2016 3,199 i
 
Sony A7R II+ +90/1005/54.5/55/5 Jun 2015 3,199i
 
Sony A7S II+..4.5/55/55/5 Sep 2015 2,999i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

Nikon D7500:
Check Amazon price
Sony A7R III:
Check Ebay offers

Other camera comparisons

Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, just make your choice using the following search menu. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Nikon D7500 vs Sony A7R III

    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 D7500 Sony A7R III
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Nikon F mount lenses Sony E mount lenses
    Launch Date April 2017 October 2017
    Launch Price USD 1,299 USD 3,199
    Sensor Specs Nikon D7500 Sony A7R III
    Sensor Technology CMOS BSI-CMOS
    Sensor Format APS-C Sensor Full Frame Sensor
    Sensor Size 23.5 x 15.7 mm 35.9 x 24.0 mm
    Sensor Area 368.95 mm2 861.6 mm2
    Sensor Diagonal 28.3 mm 43.2 mm
    Crop Factor 1.5x 1.0x
    Sensor Resolution 20.7 Megapixels 42.2 Megapixels
    Image Resolution 5568 x 3712 pixels 7952 x 5304 pixels
    Pixel Pitch 4.22 μm 4.52 μm
    Pixel Density 5.60 MP/cm2 4.90 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 4K/30p Video 4K/30p Video
    ISO Setting 100 - 51,200 ISO 100 - 32,000 ISO
    ISO Boost 50 - 1,640,000 ISO 50 - 102,400 ISO
    Image Processor EXPEED 5 BIONZ X
    DXO Sensor Quality (score) 86 100
    DXO Color Depth (bits) 24.3 26.0
    DXO Dynamic Range (EV) 14.0 14.7
    DXO Low Light (ISO) 1483 3523
    Screen Specs Nikon D7500 Sony A7R III
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.61x 0.78x
    Viewfinder Resolution 3686k dots
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.2inch 3.0inch
    LCD Resolution 922k dots 1440k dots
    LCD Attachment Tilting screen Tilting screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Nikon D7500 Sony A7R III
    Focus System Phase-detect AF On-Sensor Phase-detect
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/8000s
    Continuous Shooting 8 shutter flaps/s 10 shutter flaps/s
    Shutter Life Expectancy150 000 actuations500 000 actuations
    Electronic Shutterno E-ShutterYES
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash Build-in Flash no On-Board Flash
    Storage Medium SDXC cards MS or SDXC cards
    Second Storage Option Single card slot Dual card slots
    UHS card support UHS-I Single UHS-II
    Connectivity Specs Nikon D7500 Sony A7R III
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 3.1
    HDMI Port mini HDMI micro HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket Headphone port Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Bluetooth Support Bluetooth built-in Bluetooth built-in
    Body Specs Nikon D7500 Sony A7R III
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type EN-EL15a NP-FZ100
    Battery Life (CIPA)950 shots per charge650 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 136 x 104 x 73 mm
    (5.4 x 4.1 x 2.9 in)
    127 x 96 x 74 mm
    (5.0 x 3.8 x 2.9 in)
    Camera Weight 720 g (25.4 oz) 650 g (22.9 oz)

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