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Nikon D7100 vs Sony A1

The Nikon D7100 and the Sony A1 are two digital cameras that were announced, respectively, in February 2013 and January 2021. The D7100 is a DSLR, while the A1 is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (D7100) and a full frame (A1) sensor. The Nikon has a resolution of 24 megapixels, whereas the Sony provides 49.8 MP.

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

Headline Specifications
Nikon D7100
versus
Sony A1
Nikon D7100   Sony A1
Digital single lens reflex Mirrorless system camera
Nikon F mount lenses Sony E mount lenses
24 MP – APS-C sensor 49.8 MP – Full Frame sensor
1080/60p Video 8k/30p Video
ISO 100-6,400 (50 - 25,600) ISO 100-32,000 (500 - 102,400)
Optical viewfinder Electronic viewfinder (9437k dots)
3.2" LCD – 1229k dots 3.2" LCD – 1440k dots
Fixed screen (not touch-sensitive) Tilting touchscreen
6 shutter flaps per second 10 shutter flaps per second
Lens stabilization onlyIn-body stabilization
Weathersealed bodyWeathersealed body
950 shots per battery charge530 shots per battery charge
136 x 107 x 76 mm, 765 g 129 x 97 x 81 mm, 737 g
Nikon D7100:
Check Ebay offers
Sony A1:
Check Amazon price

Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D7100 and the Sony A1? 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 D7100 and the Sony A1 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 width, height and depth dimensions are rounded to the nearest millimeter.

Size Nikon D7100 vs Sony A1
Compare D7100 versus A1 top
Comparison D7100 or A1 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A1 is notably smaller (14 percent) than the Nikon D7100. Moreover, the A1 is slightly lighter (4 percent) than the D7100. 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 (D7100) and the Sony FE Lens Catalog (A1). Mirrorless cameras, such as the A1, 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 D7100 gets 950 shots out of its EN-EL15 battery, while the A1 can take 530 images on a single charge of its NP-FZ100 power pack. The power pack in the A1 can be charged via the USB port, 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. 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 D7100 136 mm 107 mm 76 mm 765 g 950 Y Feb 2013 1,199i
2.
 
Sony A1 129 mm 97 mm 81 mm 737 g 530 Y Jan 2021 6,499 i
3.
 
Canon 70D 139 mm 104 mm 79 mm 755 g 920 Y Jul 2013 1,199i
4.
 
Nikon D7500 136 mm 104 mm 73 mm 720 g 950 Y Apr 2017 1,299 i
5.
 
Nikon D500 147 mm 115 mm 81 mm 860 g 1240 Y Jan 2016 1,999 i
6.
 
Nikon D7200 136 mm 107 mm 76 mm 765 g 1110 Y Mar 2015 1,199i
7.
 
Nikon D750 141 mm 113 mm 78 mm 750 g 1230 Y Sep 2014 2,299i
8.
 
Nikon D3300 124 mm 98 mm 76 mm 430 g 700 n Jan 2014 499i
9.
 
Nikon D610 141 mm 113 mm 82 mm 850 g 900 Y Oct 2013 1,999 i
10.
 
Nikon D600 141 mm 113 mm 82 mm 850 g 900 Y Sep 2012 2,099i
11.
 
Nikon D7000 132 mm 105 mm 77 mm 780 g 1050 Y Sep 2010 1,499i
12.
 
Sony A7R IV 129 mm 96 mm 78 mm 665 g 670 Y Jul 2019 3,499 i
13.
 
Sony A7 III 127 mm 96 mm 74 mm 650 g 610 Y Feb 2018 1,999 i
14.
 
Sony A7R III 127 mm 96 mm 74 mm 650 g 650 Y Oct 2017 3,199i
15.
 
Sony A99 II 143 mm 104 mm 76 mm 849 g 490 Y Sep 2016 3,199 i
16.
 
Sony A7R II 127 mm 96 mm 60 mm 625 g 290 Y Jun 2015 3,199i
17.
 
Sony RX10 129 mm 88 mm 102 mm 813 g 420 Y Oct 2013 1,299i
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

Any camera decision will naturally be influenced heavily by the price. The retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. The D7100 was launched at a markedly lower price (by 82 percent) than the A1, 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.

Sensor comparison

The size of the sensor inside a digital camera is one of the key determinants 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. 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 D7100 features an APS-C sensor and the Sony A1 a full frame sensor. The sensor area in the A1 is 135 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 D7100 and Sony A1 sensor measures

With 49.8MP, the A1 offers a higher resolution than the D7100 (24MP), but the A1 nevertheless has larger individual pixels (pixel pitch of 4.16μm versus 3.91μm for the D7100) due to its larger sensor. Moreover, the A1 is a much more recent model (by 7 years and 11 months) than the D7100, and its sensor will 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 A1 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A1 for good quality output (200 dots per inch) amounts to 43.2 x 28.8 inches or 109.7 x 73.2 cm, for very good quality (250 dpi) 34.6 x 23 inches or 87.8 x 58.5 cm, and for excellent quality (300 dpi) 28.8 x 19.2 inches or 73.2 x 48.8 cm. The corresponding values for the Nikon D7100 are 30 x 20 inches or 76.2 x 50.8 cm for good quality, 24 x 16 inches or 61 x 40.6 cm for very good quality, and 20 x 13.3 inches or 50.8 x 33.9 cm for excellent quality prints.

The A1 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

Unlike the D7100, the A1 has the capacity to capture high quality composite images (YESMP) 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 D7100 has a native sensitivity range from ISO 100 to ISO 6400, which can be extended to ISO 50-25600. The corresponding ISO settings for the Sony A1 are ISO 100 to ISO 32000, with the possibility to increase the ISO range to 500-102400.

D7100 versus A1 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. Of the two cameras under consideration, the A1 offers substantially better image quality than the D7100 (overall score 15 points higher). The advantage is based on 1.7 bits higher color depth, 0.8 EV in additional dynamic range, and 1.3 stops in additional low light sensitivity. The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar 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
1.
 
Nikon D7100 APS-C 24.0 6000 40001080/60p24.213.7125683
2.
 
Sony A1 Full Frame 49.8 8640 57608k/30p25.914.5316398
3.
 
Canon 70D APS-C 20.0 5472 36481080/30p22.511.692668
4.
 
Nikon D7500 APS-C 20.7 5568 37124K/30p24.314.0148386
5.
 
Nikon D500 APS-C 20.7 5568 37124K/30p24.014.0132483
6.
 
Nikon D7200 APS-C 24.0 6000 40001080/60p24.514.6133387
7.
 
Nikon D750 Full Frame 24.2 6016 40161080/60p24.814.5295693
8.
 
Nikon D3300 APS-C 24.0 6000 40001080/60p24.312.8138582
9.
 
Nikon D610 Full Frame 24.2 6016 40161080/30p25.114.4292594
10.
 
Nikon D600 Full Frame 24.2 6016 40161080/30p25.114.2298094
11.
 
Nikon D7000 APS-C 16.1 4928 32641080/24p23.513.9116780
12.
 
Sony A7R IV Full Frame 60.2 9504 63364K/30p26.014.8334499
13.
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096
14.
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
15.
 
Sony A99 II Full Frame 42.2 7952 53044K/30p25.413.4231792
16.
 
Sony A7R II Full Frame 42.2 7952 53044K/30p26.013.9343498
17.
 
Sony RX10 1-inch 20.0 5472 36481080/60p22.912.647469

Many modern cameras are not only capable of taking still images, but can also record movies. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the A1 provides a better video resolution than the D7100. It can shoot movie footage at 8k/30p, while the Nikon is limited to 1080/60p.

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the A1 has an electronic viewfinder (9437k dots), while the D7100 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 A1 has a higher magnification than the one of the D7100 (0.9x vs 0.63x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The adjacent table lists some of the other core features of the Nikon D7100 and Sony A1 along with similar information for a selection of comparators.

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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 D7100optical Y3.2 / 1229 fixed n 1/8000s 6.0/s Y n
2.
 
Sony A19437 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
3.
 
Canon 70Doptical Y3.0 / 1040 swivel Y 1/8000s 7.0/s Y n
4.
 
Nikon D7500optical Y3.2 / 922 tilting Y 1/8000s 8.0/s Y n
5.
 
Nikon D500optical Y3.2 / 2359 tilting Y 1/8000s 10.0/s n n
6.
 
Nikon D7200optical Y3.2 / 1229 fixed n 1/8000s 6.0/s Y n
7.
 
Nikon D750optical Y3.2 / 1229 tilting n 1/4000s 6.0/s Y n
8.
 
Nikon D3300optical n3.0 / 921 fixed n 1/4000s 5.0/s Y n
9.
 
Nikon D610optical Y3.2 / 921 fixed n 1/4000s 6.0/s Y n
10.
 
Nikon D600optical Y3.0 / 921 fixed n 1/4000s 5.5/s Y n
11.
 
Nikon D7000optical Y3.0 / 921 fixed n 1/8000s 6.0/s Y n
12.
 
Sony A7R IV5760 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
13.
 
Sony A7 III2359 n3.0 / 922 tilting Y 1/8000s 10.0/s n Y
14.
 
Sony A7R III3686 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
15.
 
Sony A99 II2400 Y3.0 / 1229 full-flex n 1/8000s 12.0/s n Y
16.
 
Sony A7R II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n Y
17.
 
Sony RX101440 Y3.0 / 1229 tilting n 1/3200s 10.0/s Y Y
Notes: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One difference between the cameras concerns the presence of an on-board flash. The D7100 has one, while the A1 does not. While the built-in flash of the D7100 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 A1 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 D7100 and the Sony A1 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 D7100 writes its imaging data to SDXC cards, while the A1 uses CFexpress or SDXC cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails. The A1 supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s), while the D7100 can use UHS-I cards (up to 104 MB/s).

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 D7100 and Sony A1 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 D7100Ystereo / monoYYmini2.0---
2.
 
Sony A1Ystereo / monoYYfull3.2Y-Y
3.
 
Canon 70DYstereo / monoY-mini2.0Y--
4.
 
Nikon D7500Ystereo / monoYYmini2.0Y-Y
5.
 
Nikon D500Ystereo / monoYYmini3.0YYY
6.
 
Nikon D7200Ystereo / monoYYmini2.0YY-
7.
 
Nikon D750Ystereo / monoYYmini2.0Y--
8.
 
Nikon D3300Ymono / monoY-mini2.0---
9.
 
Nikon D610Ymono / monoYYmini2.0---
10.
 
Nikon D600Ymono / monoYYmini2.0---
11.
 
Nikon D7000Ymono / monoY-mini2.0---
12.
 
Sony A7R IVYstereo / monoYYmicro3.1YYY
13.
 
Sony A7 IIIYstereo / monoYYmicro3.1YYY
14.
 
Sony A7R IIIYstereo / monoYYmicro3.1YYY
15.
 
Sony A99 IIYstereo / monoYYmicro2.0YYY
16.
 
Sony A7R IIYstereo / monoYYmicro2.0YY-
17.
 
Sony RX10Ystereo / monoYYmicro2.0YY-

It is notable that the A1 offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the D7100 does not provide wifi capability.

Studio photographers will appreciate that the Sony A1 (unlike the D7100) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

The A1 is a recent model that features in the current product line-up of Sony. In contrast, the D7100 has been discontinued (but can be found pre-owned on eBay). As a replacement in the same line of cameras, the D7100 was succeeded by the Nikon D7200. 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.

Review summary

So how do things add up? Is there a clear favorite between the Nikon D7100 and the Sony A1? Which camera is better? The listing below highlights the relative strengths of the two models.

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Arguments in favor of the Nikon D7100:

  • 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 530) 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 (82 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in February 2013).

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Advantages of the Sony A1:

  • More detail: Has more megapixels (49.8 vs 24MP), which boosts linear resolution by 44%.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Better image quality: Scores substantially higher (15 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 (0.8 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (1.3 stops ISO advantage).
  • Better video: Provides higher definition movie capture (8k/30p vs 1080/60p).
  • 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 (0.9x vs 0.63x).
  • More detailed LCD: Has a higher resolution rear screen (1440k vs 1229k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster burst: Shoots at higher frequency (10 vs 6 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More compact: Is smaller (129x97mm vs 136x107mm) 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 (3.2 vs 2.0).
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
  • More modern: Reflects 7 years and 11 months of technical progress since the D7100 launch.

If the count of relative strengths (bullet points above) is taken as a measure, the A1 is the clear winner of the contest (26 : 7 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 wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

D7100 07:26 A1

How about other alternatives? Do the specifications of the Nikon D7100 and the Sony A1 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 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 D7100 or the A1 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
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Nikon D71005/5+ +..85/1004.5/54.5/5 Feb 2013 1,199i
2.
 
Sony A15/5o4.5/593/1004.5/55/5 Jan 2021 6,499 i
3.
 
Canon 70D5/5+ +..83/1004.5/55/5 Jul 2013 1,199i
4.
 
Nikon D75004.5/5+ +4.5/586/1005/54.5/5 Apr 2017 1,299 i
5.
 
Nikon D5005/5+ +4.7/591/1004.5/55/5 Jan 2016 1,999 i
6.
 
Nikon D72004/5+ +..84/1004.5/54.5/5 Mar 2015 1,199i
7.
 
Nikon D7505/5+ +4/590/1004.5/54.5/5 Sep 2014 2,299i
8.
 
Nikon D33003/5+..77/1004.5/54.5/5 Jan 2014 499i
9.
 
Nikon D6104/5+ +..87/1004.5/54.5/5 Oct 2013 1,999 i
10.
 
Nikon D6004/5+ +..87/1005/54.5/5 Sep 2012 2,099i
11.
 
Nikon D70004/5....80/1004.5/54.5/5 Sep 2010 1,499i
12.
 
Sony A7R IV5/5+4.5/591/1004.5/55/5 Jul 2019 3,499 i
13.
 
Sony A7 III..+ +4.5/589/1005/55/5 Feb 2018 1,999 i
14.
 
Sony A7R III..+ +4/590/1004.5/55/5 Oct 2017 3,199i
15.
 
Sony A99 II....4.5/585/1004.5/54.5/5 Sep 2016 3,199 i
16.
 
Sony A7R II5/5+ +5/590/1005/55/5 Jun 2015 3,199i
17.
 
Sony RX105/5+..80/1004.5/54.5/5 Oct 2013 1,299i
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. 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.

Nikon D7100:
Check Ebay offers
Sony A1:
Check Amazon price

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 use the search menu below. 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 D7100 vs Sony A1

    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 D7100 Sony A1
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Nikon F mount lenses Sony E mount lenses
    Launch Date February 2013 January 2021
    Launch Price USD 1,199 USD 6,499
    Sensor Specs Nikon D7100 Sony A1
    Sensor Technology CMOS BSI-CMOS
    Sensor Format APS-C Sensor Full Frame Sensor
    Sensor Size 23.5 x 15.6 mm 35.9 x 24.0 mm
    Sensor Area 366.6 mm2 861.6 mm2
    Sensor Diagonal 28.2 mm 43.2 mm
    Crop Factor 1.5x 1.0x
    Sensor Resolution 24 Megapixels 49.8 Megapixels
    Image Resolution 6000 x 4000 pixels 8640 x 5760 pixels
    Pixel Pitch 3.91 μm 4.16 μm
    Pixel Density 6.55 MP/cm2 5.78 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 1080/60p Video 8k/30p Video
    ISO Setting 100 - 6,400 ISO 100 - 32,000 ISO
    ISO Boost 50 - 25,600 ISO 500 - 102,400 ISO
    Image Processor EXPEED 4 Dual BIONZ XR
    DXO Sensor Quality (score) 83 98
    DXO Color Depth (bits) 24.2 25.9
    DXO Dynamic Range (EV) 13.7 14.5
    DXO Low Light (ISO) 1256 3163
    Screen Specs Nikon D7100 Sony A1
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.63x 0.9x
    Viewfinder Resolution 9437k dots
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.2inch 3.0inch
    LCD Resolution 1229k dots 1440k dots
    LCD Attachment Fixed screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Nikon D7100 Sony A1
    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 6 shutter flaps/s 10 shutter flaps/s
    Shutter Life Expectancy150 000 actuations500 000 actuations
    Electronic Shutterno E-Shutterup to 1/32000s
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium SDXC cards CFexpress or SDXC cards
    Second Storage Option Dual card slots Dual card slots
    UHS card support UHS-I UHS-II
    Connectivity Specs Nikon D7100 Sony A1
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 3.2
    HDMI Port mini HDMI full HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket Headphone port Headphone port
    Wifi Support no Wifi Wifi built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Nikon D7100 Sony A1
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type EN-EL15 NP-FZ100
    Battery Life (CIPA)950 shots per charge530 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 136 x 107 x 76 mm
    (5.4 x 4.2 x 3.0 in)
    129 x 97 x 81 mm
    (5.1 x 3.8 x 3.2 in)
    Camera Weight 765 g (27.0 oz) 737 g (26.0 oz)
    Nikon D7100:
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    Sony A1:
    Check Amazon price

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