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Nikon Z6 II vs Sony A7R IIIA

The Nikon Z6 II and the Sony Alpha A7R IIIA are two enthusiast cameras that were officially introduced, respectively, in October 2020 and April 2021. Both the Z6 II and the A7R IIIA are mirrorless interchangeable lens cameras that are equipped with a full frame sensor. The Nikon has a resolution of 24.3 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 Z6 II
versus
Sony A7R IIIA
Nikon Z6 II   Sony A7R IIIA
Mirrorless system camera Mirrorless system camera
Nikon Z mount lenses Sony E mount lenses
24.3 MP – Full Frame sensor 42.2 MP – Full Frame sensor
4K/60p Video 4K/30p Video
ISO 100-51,200 (50 - 204,800) ISO 100-32,000 (50 - 102,400)
Electronic viewfinder (3690k dots) Electronic viewfinder (3686k dots)
3.2" LCD – 2100k dots 3.0" LCD – 2340k dots
Tilting touchscreen Tilting touchscreen
14 shutter flaps per second 10 shutter flaps per second
In-body stabilizationIn-body stabilization
Weathersealed bodyWeathersealed body
410 shots per battery charge650 shots per battery charge
134 x 101 x 70 mm, 705 g 127 x 96 x 74 mm, 650 g
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Check Z6 II price at
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Check A7R IIIA price at
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Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon Z6 II and the Sony Alpha A7R IIIA? 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.

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Body comparison

The side-by-side display below illustrates the physical size and weight of the Nikon Z6 II and the Sony A7R IIIA. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth measures are rounded to the nearest millimeter.

Size Nikon Z6 II vs Sony A7R IIIA
Compare Z6 II versus A7R IIIA top
Comparison Z6 II or A7R IIIA rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7R IIIA is notably smaller (10 percent) than the Nikon Z6 II. Moreover, the A7R IIIA is markedly lighter (8 percent) than the Z6 II. 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. Hence, you might want to study and compare the specifications of available lenses in order to get the full picture of the size and weight of the two camera systems.

Concerning battery life, the Z6 II gets 410 shots out of its Nikon EN-EL15c battery, while the A7R IIIA can take 650 images on a single charge of its Sony NP-FZ100 power pack. The battery packs of both cameras can be charged via USB, which can be very convenient when travelling.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. If you want to switch the focus of the display and review another camera pair, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

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Body Specifications
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
1.
 
Nikon Z6 II 134 mm 101 mm 70 mm 705 g 410 Y Oct 2020 US$ 1 999 amazon.com
2.
 
Sony A7R IIIA 127 mm 96 mm 74 mm 650 g 650 Y Apr 2021 US$ 3 199 amazon.com
3.
 
Canon R6 138 mm 98 mm 88 mm 680 g 360 Y Jul 2020 US$ 2 499 amazon.com
4.
 
Nikon D750 141 mm 113 mm 78 mm 750 g 1230 Y Sep 2014 US$ 2 299ebay.com
5.
 
Nikon D780 144 mm 116 mm 76 mm 840 g 2260 Y Jan 2020 US$ 2 299 amazon.com
6.
 
Nikon Z5 134 mm 101 mm 67 mm 675 g 470 Y Jul 2020 US$ 1 399 amazon.com
7.
 
Nikon Z6 134 mm 101 mm 67 mm 675 g 310 Y Aug 2018 US$ 1 999ebay.com
8.
 
Nikon Z7 134 mm 101 mm 67 mm 675 g 330 Y Aug 2018 US$ 3 399ebay.com
9.
 
Nikon Z7 II 134 mm 101 mm 70 mm 705 g 420 Y Oct 2020 US$ 2 999 amazon.com
10.
 
Nikon Zf 144 mm 103 mm 49 mm 710 g 380 Y Sep 2023 US$ 1 999 amazon.com
11.
 
Panasonic S5 133 mm 98 mm 82 mm 714 g 440 Y Sep 2020 US$ 1 999 amazon.com
12.
 
Sony A1 129 mm 97 mm 81 mm 737 g 530 Y Jan 2021 US$ 6 499 amazon.com
13.
 
Sony A7 II 127 mm 96 mm 60 mm 599 g 350 Y Nov 2014 US$ 1 999ebay.com
14.
 
Sony A7R II 127 mm 96 mm 60 mm 625 g 290 Y Jun 2015 US$ 3 199ebay.com
15.
 
Sony A7R III 127 mm 96 mm 74 mm 650 g 650 Y Oct 2017 US$ 3 199ebay.com
16.
 
Sony A7R IV 129 mm 96 mm 78 mm 665 g 670 Y Jul 2019 US$ 3 499ebay.com
17.
 
Sony A7S III 127 mm 97 mm 81 mm 699 g 600 Y Jul 2020 US$ 3 499 amazon.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

The price is, of course, an important factor in any camera decision. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The Z6 II was launched at a markedly lower price (by 38 percent) than the A7R IIIA, 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

Sensor comparison

The size of the sensor inside a digital camera is one of the key determinants of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units in a sensor of the same technological generation. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its background. On the downside, larger sensors tend to be associated with larger, more expensive camera bodies and lenses.

Both cameras under consideration feature a full frame sensor, but their sensors differ slightly in size. They nevertheless have the same format factor of 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Nikon Z6 II and Sony A7R IIIA sensor measures

With 42.2MP, the A7R IIIA offers a higher resolution than the Z6 II (24.3MP), but the A7R IIIA has smaller individual pixels (pixel pitch of 4.52μm versus 5.94μm for the Z6 II). Yet, the A7R IIIA is a somewhat more recent model (by 5 months) than the Z6 II, and its sensor might 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 A7R IIIA has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Sony A7R IIIA implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A7R IIIA 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 Z6 II are 30.2 x 20.1 inches or 76.8 x 51.1 cm for good quality, 24.2 x 16.1 inches or 61.4 x 40.9 cm for very good quality, and 20.2 x 13.4 inches or 51.2 x 34.1 cm for excellent quality prints.

Unlike the Z6 II, the A7R IIIA 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 Z6 II has a native sensitivity range from ISO 100 to ISO 51200, which can be extended to ISO 50-204800. The corresponding ISO settings for the Sony Alpha A7R IIIA are ISO 100 to ISO 32000, with the possibility to increase the ISO range to 50-102400.

Technology-wise, both cameras are equipped with BSI-CMOS (Backside Illuminated Complementary Metal–Oxide–Semiconductor) sensors. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

Z6 II versus A7R IIIA MP

For many cameras, data on sensor performance has been reported by DXO Mark. 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"). Of the two cameras under consideration, the A7R IIIA has a markedly higher DXO score than the Z6 II (overall score 6 points higher), which will translate into better image quality. The advantage is based on 1 bits higher color depth, 0.3 EV in additional dynamic range, and 0.1 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
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Nikon Z6 II Full Frame 24.3 6048 40244K/60p25.014.4330394
2.
 
Sony A7R IIIA Full Frame 42.2 7952 53044K/30p26.014.73523100
3.
 
Canon R6 Full Frame 20.0 5472 36484k/60p24.214.3339490
4.
 
Nikon D750 Full Frame 24.2 6016 40161080/60p24.814.5295693
5.
 
Nikon D780 Full Frame 24.3 6048 40244K/30p25.314.3287795
6.
 
Nikon Z5 Full Frame 24.2 6016 40164K/30p25.314.3292995
7.
 
Nikon Z6 Full Frame 24.3 6048 40244K/30p25.314.3329995
8.
 
Nikon Z7 Full Frame 45.4 8256 55044K/30p26.314.6266899
9.
 
Nikon Z7 II Full Frame 45.4 8256 55044K/60p26.314.72841100
10.
 
Nikon Zf Full Frame 24.3 6048 40244K/60p25.414.7324396
11.
 
Panasonic S5 Full Frame 24.0 6000 40004K/60p25.114.5269794
12.
 
Sony A1 Full Frame 49.8 8640 57608k/30p25.914.5316398
13.
 
Sony A7 II Full Frame 24.0 6000 40001080/60p24.913.6244990
14.
 
Sony A7R II Full Frame 42.2 7952 53044K/30p26.013.9343498
15.
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
16.
 
Sony A7R IV Full Frame 60.2 9504 63364K/30p26.014.8334499
17.
 
Sony A7S III Full Frame 12.0 4240 28324K/120p23.713.9252086
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the Z6 II provides a higher frame rate than the A7R IIIA. It can shoot video footage at 4K/60p, while the Sony is limited to 4K/30p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. The two cameras under consideration are similar with respect to both having an electronic viewfinder. However, the one in the Z6 II offers a slightly higher resolution than the one in the A7R IIIA (3690k vs 3686k dots). The following table reports on some other key feature differences and similarities of the Nikon Z6 II, the Sony A7R IIIA, and comparable cameras.

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Core Features
  empty 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 Z6 II3690 Y3.2 / 2100 tilting Y 1/8000s 14.0/s n Y
2.
 
Sony A7R IIIA3686 n3.0 / 2340 tilting Y 1/8000s 10.0/s n Y
3.
 
Canon R63690 n3.0 / 1620 swivel Y 1/8000s 12.0/s n Y
4.
 
Nikon D750optical Y3.2 / 1229 tilting n 1/4000s 6.0/s Y n
5.
 
Nikon D780optical Y3.2 / 2359 tilting Y 1/8000s 12.0/s n n
6.
 
Nikon Z53690 n3.2 / 1040 tilting Y 1/8000s 4.5/s n Y
7.
 
Nikon Z63690 Y3.2 / 2100 tilting Y 1/8000s 12.0/s n Y
8.
 
Nikon Z73690 Y3.2 / 2100 tilting Y 1/8000s 9.0/s n Y
9.
 
Nikon Z7 II3690 Y3.2 / 2100 tilting Y 1/8000s 10.0/s n Y
10.
 
Nikon Zf3690 n3.2 / 2100 swivel Y 1/8000s 14.0/s n Y
11.
 
Panasonic S52360 n3.0 / 1840 swivel Y 1/8000s 7.0/s n Y
12.
 
Sony A19437 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
13.
 
Sony A7 II2400 n3.0 / 1230 tilting n 1/8000s 5.0/s n Y
14.
 
Sony A7R II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n Y
15.
 
Sony A7R III3686 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
16.
 
Sony A7R IV5760 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
17.
 
Sony A7S III9440 n3.0 / 1440 swivel Y 1/8000s 10.0/s n Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One feature that is present on the Z6 II, but is missing on the A7R IIIA 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.

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, both cameras under consideration feature an 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 Z6 II and the Sony A7R IIIA 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 Z6 II writes its imaging data to CFexpress (type B) or SDXC cards, while the A7R IIIA uses SDXC or Memory Stick PRO Duo cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails. Both the Z6 II and the A7R IIIA support UHS-II cards, which provide for Ultra High Speed data transfer of up to 312 MB/s (the second slot of the A7R IIIA only offers slower UHS-I transfer rates, though).

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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 Z6 II and Sony Alpha A7R IIIA and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Nikon Z6 IIYstereo / monoYYmicro3.2Y-Y
2.
 
Sony A7R IIIAYstereo / monoYYmicro3.2YYY
3.
 
Canon R6Ymono / monoYYmicro3.2Y-Y
4.
 
Nikon D750Ystereo / monoYYmini2.0Y--
5.
 
Nikon D780Ystereo / monoYYmini3.1Y-Y
6.
 
Nikon Z5Ystereo / monoYYmicro3.2Y-Y
7.
 
Nikon Z6Ystereo / monoYYmicro3.1Y-Y
8.
 
Nikon Z7Ystereo / monoYYmicro3.1Y-Y
9.
 
Nikon Z7 IIYstereo / monoYYmicro3.2Y-Y
10.
 
Nikon ZfYstereo / monoYYmicro3.2Y-Y
11.
 
Panasonic S5Ystereo / monoYYmicro3.2Y-Y
12.
 
Sony A1Ystereo / monoYYfull3.2Y-Y
13.
 
Sony A7 IIYstereo / monoYYmicro2.0YY-
14.
 
Sony A7R IIYstereo / monoYYmicro2.0YY-
15.
 
Sony A7R IIIYstereo / monoYYmicro3.1YYY
16.
 
Sony A7R IVYstereo / monoYYmicro3.1YYY
17.
 
Sony A7S IIIYstereo / monoYYfull3.2Y-Y

Studio photographers will appreciate that the Sony A7R IIIA (unlike the Z6 II) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the Z6 II and the A7R IIIA are recent models that are part of the current product line-up. The Z6 II replaced the earlier Nikon Z6, while the A7R IIIA followed on from the Sony A7R II. Further information on the features and operation of the Z6 II and A7R IIIA can be found, respectively, in the Nikon Z6 II Manual (free pdf) or the online Sony A7R IIIA Manual.

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Review summary

So how do things add up? Which of the two cameras – the Nikon Z6 II or the Sony A7R IIIA – has the upper hand? Is one clearly better than the other? Below is a summary of the relative strengths of each of the two contestants.

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Reasons to prefer the Nikon Z6 II:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better video: Provides higher movie framerates (4K/60p versus 4K/30p).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.80x vs 0.78x).
  • 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.
  • Faster burst: Shoots at higher frequency (14 vs 10 flaps/sec) to capture the decisive moment.
  • More affordable: Was introduced into a lower priced category (38 percent cheaper at launch).
  • More heavily discounted: Has been on the market for longer (launched in October 2020).

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Arguments in favor of the Sony Alpha A7R IIIA:

  • More detail: Has more megapixels (42.2 vs 24.3MP), which boosts linear resolution by 32%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Better image quality: Scores markedly higher (6 points) in the DXO overall evaluation.
  • More detailed LCD: Has a higher resolution rear screen (2340k vs 2100k dots).
  • Longer lasting: Gets more shots (650 versus 410) out of a single battery charge.
  • 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.
  • More modern: Was introduced somewhat (5 months) more recently.

If the number of relative strengths (bullet points above) is taken as a guide, the A7R IIIA comes out slightly ahead of the Z6 II (9 : 8 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision on a new camera. A professional sports photographer will view the differences between cameras in a way that diverges from the perspective of a street photog, and a person interested in family portraits has distinct needs from a landscape shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

Z6 II 08:09 A7R IIIA

How about other alternatives? Do the specifications of the Nikon Z6 II and the Sony A7R IIIA place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera listing whether the two cameras rank among the cream of the crop.

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains incomplete and does no justice, for example, to the way the Z6 II or the A7R IIIA perform in practice. 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 (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
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
1.
 
Nikon Z6 II4.5/5..4/589/1004.5/54.5/5 Oct 2020 US$ 1 999 amazon.com
2.
 
Sony A7R IIIA..+ +4/590/1004.5/55/5 Apr 2021 US$ 3 199 amazon.com
3.
 
Canon R65/5+ +4/590/1004.5/55/5 Jul 2020 US$ 2 499 amazon.com
4.
 
Nikon D7505/5+ +4/590/1004.5/54.5/5 Sep 2014 US$ 2 299ebay.com
5.
 
Nikon D7805/5..5/587/1004.5/54.5/5 Jan 2020 US$ 2 299 amazon.com
6.
 
Nikon Z54/5..4/589/1004.5/54/5 Jul 2020 US$ 1 399 amazon.com
7.
 
Nikon Z65/5..5/589/1004.5/55/5 Aug 2018 US$ 1 999ebay.com
8.
 
Nikon Z75/5+4.8/589/1004.5/55/5 Aug 2018 US$ 3 399ebay.com
9.
 
Nikon Z7 II4.5/5..4.5/5..4.5/54.5/5 Oct 2020 US$ 2 999 amazon.com
10.
 
Nikon Zf4.5/5..4.5/590/1004.5/55/5 Sep 2023 US$ 1 999 amazon.com
11.
 
Panasonic S54.5/5+ +4.5/588/1004.5/54.5/5 Sep 2020 US$ 1 999 amazon.com
12.
 
Sony A15/5o4.5/593/1004.5/55/5 Jan 2021 US$ 6 499 amazon.com
13.
 
Sony A7 II5/5+4/582/1004.5/55/5 Nov 2014 US$ 1 999ebay.com
14.
 
Sony A7R II5/5+ +5/590/1005/55/5 Jun 2015 US$ 3 199ebay.com
15.
 
Sony A7R III..+ +4/590/1004.5/55/5 Oct 2017 US$ 3 199ebay.com
16.
 
Sony A7R IV5/5+4.5/591/1004.5/55/5 Jul 2019 US$ 3 499ebay.com
17.
 
Sony A7S III4.5/5+ +5/591/1004.5/55/5 Jul 2020 US$ 3 499 amazon.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, though. The assessments were made in relation to similar cameras of the same technological generation. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparisons of ratings among very different cameras or across long time periods have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.

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Check Z6 II price at
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Check A7R IIIA price at
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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 a corresponding selection in the search boxes below. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.

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    Specifications: Nikon Z6 II vs Sony A7R IIIA

    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 Z6 II Sony A7R IIIA
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Nikon Z mount lenses Sony E mount lenses
    Launch Date October 2020 April 2021
    Launch Price USD 1,999 USD 3,199
    Sensor Specs Nikon Z6 II Sony A7R IIIA
    Sensor Technology BSI-CMOS BSI-CMOS
    Sensor Format Full Frame Sensor Full Frame Sensor
    Sensor Size 35.9 x 23.9 mm 35.9 x 24.0 mm
    Sensor Area 858.01 mm2 861.6 mm2
    Sensor Diagonal 43.1 mm 43.2 mm
    Crop Factor 1.0x 1.0x
    Sensor Resolution 24.3 Megapixels 42.2 Megapixels
    Image Resolution 6048 x 4024 pixels 7952 x 5304 pixels
    Pixel Pitch 5.94 μm 4.52 μm
    Pixel Density 2.84 MP/cm2 4.90 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 4K/60p Video 4K/30p Video
    ISO Setting 100 - 51,200 ISO 100 - 32,000 ISO
    ISO Boost 50 - 204,800 ISO 50 - 102,400 ISO
    Image Processor DUAL EXPEED 6 BIONZ X
    DXO Sensor Quality (score) 94 100
    DXO Color Depth (bits) 25 26.0
    DXO Dynamic Range (EV) 14.4 14.7
    DXO Low Light (ISO) 3303 3523
    Screen Specs Nikon Z6 II Sony A7R IIIA
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.80x 0.78x
    Viewfinder Resolution 3690k dots 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 2100k dots 2340k dots
    LCD Attachment Tilting screen Tilting screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Nikon Z6 II Sony A7R IIIA
    Focus System On-Sensor Phase-detect On-Sensor Phase-detect
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/8000s
    Continuous Shooting 14 shutter flaps/s 10 shutter flaps/s
    Shutter Life Expectancy200 000 actuations500 000 actuations
    Electronic Shutterup to 1/8000sYES
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationIn-body stabilizationIn-body stabilization
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium CFexB or SDXC cards MS or SDXC cards
    Single or Dual Card Slots Dual card slots Dual card slots
    UHS card support UHS-II Single UHS-II
    Connectivity Specs Nikon Z6 II Sony A7R IIIA
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 3.2 USB 3.2
    HDMI Port micro 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 Z6 II Sony A7R IIIA
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Nikon EN-EL15c Sony NP-FZ100
    Battery Life (CIPA)410 shots per charge650 shots per charge
    In-Camera Charging USB charging USB charging
    Body Dimensions 134 x 101 x 70 mm
    (5.3 x 4.0 x 2.8 in)
    127 x 96 x 74 mm
    (5.0 x 3.8 x 2.9 in)
    Camera Weight 705 g (24.9 oz) 650 g (22.9 oz)
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    Check Z6 II price at
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    Check A7R IIIA price at
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