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Sony A7 III vs NEX-3

The Sony Alpha A7 III and the Sony Alpha NEX-3 are two digital cameras that were announced, respectively, in February 2018 and May 2010. Both the A7 III and the NEX-3 are mirrorless interchangeable lens cameras that are based on a full frame (A7 III) and an APS-C (NEX-3) sensor. The A7 III has a resolution of 24 megapixels, whereas the NEX-3 provides 14 MP.

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

Headline Specifications
Sony A7 III
versus
Sony NEX-3
Sony A7 III   Sony NEX-3
Mirrorless system camera Mirrorless system camera
Sony E mount lenses Sony E mount lenses
24 MP – Full Frame sensor 14 MP – APS-C sensor
4K/30p Video 720/30p Video
ISO 100-51,200 (50 - 204,800) ISO 200-12,800
Electronic viewfinder (2359k dots) Viewfinder optional
3.0" LCD – 922k dots 3.0" LCD – 920k dots
Tilting touchscreen Tilting screen (no touchscreen)
10 shutter flaps per second 7 shutter flaps per second
In-body stabilizationLens stabilization only
Weathersealed bodynot weather sealed
610 shots per battery charge330 shots per battery charge
127 x 96 x 74 mm, 650 g 117 x 62 x 33 mm, 297 g
Sony A7 III:
Check current price at
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Sony NEX-3:
Check current offers at
i

Going beyond this snapshot of core features and characteristics, what are the differences between the Sony Alpha A7 III and the Sony Alpha NEX-3? 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 physical size and weight of the Sony A7 III and the Sony NEX-3 are illustrated in the side-by-side display below. 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 dimensions are rounded to the nearest millimeter.

The NEX-3 can be obtained in three different colors (black, silver, red), while the A7 III is only available in black.

Size Sony A7 III vs Sony NEX-3
Compare A7 III versus NEX-3 top
Comparison A7 III or NEX-3 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony NEX-3 is considerably smaller (41 percent) than the Sony A7 III. Moreover, the NEX-3 is substantially lighter (54 percent) than the A7 III. It is worth mentioning in this context that the A7 III is splash and dust resistant, while the NEX-3 does not feature any corresponding weather-sealing.

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 Sony FE Lens Catalog (A7 III) and the Sony E-Mount Lens Catalog (NEX-3). Mirrorless cameras, such as the two under consideration, have the additional advantage of having a short flange to focal plane distance, which makes it possible to mount many lenses from other systems onto the camera via adapters.

Concerning battery life, the A7 III gets 610 shots out of its NP-FZ100 battery, while the NEX-3 can take 330 images on a single charge of its NP-FW50 power pack. The power pack in the A7 III can be charged via the USB port, so that it is not always necessary to take the battery charger along 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, 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.
 
Sony A7 III 127 mm 96 mm 74 mm 650 g 610 Y Feb 2018 1,999 i
2.
 
Sony NEX-3 117 mm 62 mm 33 mm 297 g 330 n May 2010 599i
3.
 
Canon 6D Mark II 144 mm 111 mm 75 mm 765 g 1200 Y Jun 2017 1,999 i
4.
 
Nikon Z6 134 mm 101 mm 67 mm 675 g 310 Y Aug 2018 1,999i
5.
 
Sony A7 IV 131 mm 96 mm 80 mm 659 g 580 Y Oct 2021 2,499 i
6.
 
Sony A7C 124 mm 71 mm 60 mm 509 g 740 Y Sep 2020 1,799 i
7.
 
Sony A9 II 129 mm 96 mm 76 mm 678 g 690 Y Oct 2019 4,499 i
8.
 
Sony A7R IV 129 mm 96 mm 78 mm 665 g 670 Y Jul 2019 3,499 i
9.
 
Sony A7R III 127 mm 96 mm 74 mm 650 g 650 Y Oct 2017 3,199i
10.
 
Sony A9 127 mm 96 mm 63 mm 673 g 650 Y Apr 2017 4,499i
11.
 
Sony A7 II 127 mm 96 mm 60 mm 599 g 350 Y Nov 2014 1,999i
12.
 
Sony A5100 110 mm 63 mm 36 mm 283 g 400 n Aug 2014 549 i
13.
 
Sony A7 127 mm 94 mm 48 mm 474 g 340 Y Oct 2013 1,699i
14.
 
Sony NEX-3N 110 mm 62 mm 35 mm 269 g 480 n Feb 2013 499i
15.
 
Sony NEX-5R 111 mm 59 mm 39 mm 276 g 330 n Aug 2012 749i
16.
 
Sony NEX-5N 111 mm 59 mm 38 mm 269 g 460 n Aug 2011 699i
17.
 
Sony NEX-5 111 mm 59 mm 38 mm 287 g 330 n May 2010 699i
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 manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The NEX-3 was launched at a markedly lower price (by 70 percent) than the A7 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. 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 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. 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 more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Sony A7 III features a full frame sensor and the Sony NEX-3 an APS-C sensor. The sensor area in the NEX-3 is 57 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 1.5. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

In terms of chip-set technology, the A7 III uses a more advanced image processing engine (BIONZ X) than the NEX-3 (BIONZ), with benefits for noise reduction, color accuracy, and processing speed.

Sony A7 III and Sony NEX-3 sensor measures

With 24MP, the A7 III offers a higher resolution than the NEX-3 (14MP), but the A7 III nevertheless has larger individual pixels (pixel pitch of 5.94μm versus 5.11μm for the NEX-3) due to its larger sensor. Moreover, the A7 III is a much more recent model (by 7 years and 9 months) than the NEX-3, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels.

The resolution advantage of the Sony A7 III implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A7 III 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 Sony NEX-3 are 23 x 15.3 inches or 58.3 x 38.8 cm for good quality, 18.4 x 12.2 inches or 46.7 x 31 cm for very good quality, and 15.3 x 10.2 inches or 38.9 x 25.9 cm for excellent quality prints.

The A7 III has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Sony Alpha A7 III 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 NEX-3 are ISO 200 to ISO 12800 (no boost).

A7 III versus NEX-3 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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 review, the A7 III provides substantially higher image quality than the NEX-3, with an overall score that is 28 points higher. This advantage is based on 2.9 bits higher color depth, 2.7 EV in additional dynamic range, and 2.2 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
1.
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096
2.
 
Sony NEX-3 APS-C 14.0 4592 3056720/30p22.112.083068
3.
 
Canon 6D Mark II Full Frame 26.0 6240 41601080/60p24.411.9286285
4.
 
Nikon Z6 Full Frame 24.3 6048 40244K/30p25.314.3329995
5.
 
Sony A7 IV Full Frame 32.7 7008 46724K/60p25.414.5305296
6.
 
Sony A7C Full Frame 24.0 6000 40004K/30p25.014.7340795
7.
 
Sony A9 II Full Frame 24.0 6000 40004K/30p25.014.0343493
8.
 
Sony A7R IV Full Frame 60.2 9504 63364K/30p26.014.8334499
9.
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
10.
 
Sony A9 Full Frame 24.0 6000 40004K/30p24.913.3351792
11.
 
Sony A7 II Full Frame 24.0 6000 40001080/60p24.913.6244990
12.
 
Sony A5100 APS-C 24.0 6000 40001080/60p23.812.7134780
13.
 
Sony A7 Full Frame 24.0 6000 40001080/60p24.814.2224890
14.
 
Sony NEX-3N APS-C 16.0 4912 32641080/60i22.812.5106774
15.
 
Sony NEX-5R APS-C 16.0 4912 32641080/60i23.713.191078
16.
 
Sony NEX-5N APS-C 16.0 4912 32641080/60i23.612.7107977
17.
 
Sony NEX-5 APS-C 14.0 4592 30561080/60i22.212.279669
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 are equipped with sensors that have a sufficiently high read-out speed for moving images, but the A7 III provides a higher video resolution than the NEX-3. It can shoot video footage at 4K/30p, while the NEX-3 is limited to 720/30p.

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the A7 III has an electronic viewfinder (2359k dots), which can be very helpful when shooting in bright sunlight. In contrast, the NEX-3 relies on live view and the rear LCD for framing. That said, the NEX-3 can be equipped with an optional viewfinder – the FDA-SV1. The following table reports on some other key feature differences and similarities of the Sony A7 III, the Sony NEX-3, 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.
 
Sony A7 III2359 n3.0 / 922 tilting Y 1/8000s 10.0/s n Y
2.
 
Sony NEX-3optional n3.0 / 920 tilting n 1/4000s 7.0/s n n
3.
 
Canon 6D Mark IIoptical Y3.0 / 1040 swivel Y 1/4000s 6.5/s n n
4.
 
Nikon Z63690 Y3.2 / 2100 tilting Y 1/8000s 12.0/s n Y
5.
 
Sony A7 IV3686 n3.0 / 1037 swivel Y 1/8000s 10.0/s n Y
6.
 
Sony A7C2360 n3.0 / 922 swivel Y 1/4000s 10.0/s n Y
7.
 
Sony A9 II3686 n3.0 / 1440 tilting Y 1/8000s 20.0/s n Y
8.
 
Sony A7R IV5760 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
9.
 
Sony A7R III3686 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
10.
 
Sony A93686 n3.0 / 1440 tilting Y 1/8000s 20.0/s n Y
11.
 
Sony A7 II2400 n3.0 / 1230 tilting n 1/8000s 5.0/s n Y
12.
 
Sony A5100none n3.0 / 922 tilting Y 1/4000s 6.0/s Y n
13.
 
Sony A72400 n3.0 / 1230 tilting n 1/8000s 5.0/s n n
14.
 
Sony NEX-3Noptional n3.0 / 460 tilting n 1/4000s 4.0/s Y n
15.
 
Sony NEX-5Roptional n3.0 / 920 tilting Y 1/4000s 10.0/s n n
16.
 
Sony NEX-5Noptional n3.0 / 920 tilting Y 1/4000s 10.0/s n n
17.
 
Sony NEX-5optional n3.0 / 920 tilting n 1/4000s 7.0/s n n
Notes: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One feature that differentiates the A7 III and the NEX-3 is in-body image stabilization (IBIS). The A7 III reduces the risk of handshake-induced blur with all attached lenses, while the NEX-3 offers no blur reduction with lenses that themselves do not provide optical image stabilization.

The NEX-3 has an articulated screen that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in taking selfies. In contrast, the A7 III does not have a selfie-screen.

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 A7 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 Sony A7 III 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.

Concerning the storage of imaging data, both the A7 III and the NEX-3 write their files to SDXC or Memory Stick PRO Duo cards. The A7 III features dual card slots, which can be very useful in case a memory card fails. In contrast, the NEX-3 only has one slot. The A7 III supports UHS-II cards on its first slot and UHS-I on its second one, while the NEX-3 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 Sony Alpha A7 III and Sony Alpha NEX-3 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.
 
Sony A7 IIIYstereo / monoYYmicro3.1YYY
2.
 
Sony NEX-3Ystereo / mono--mini2.0---
3.
 
Canon 6D Mark IIYstereo / monoY-mini2.0YYY
4.
 
Nikon Z6Ystereo / monoYYmicro3.1Y-Y
5.
 
Sony A7 IVYstereo / monoYYfull3.2Y-Y
6.
 
Sony A7CYstereo / monoYYmicro3.2YYY
7.
 
Sony A9 IIYstereo / monoYYmicro3.1YYY
8.
 
Sony A7R IVYstereo / monoYYmicro3.1YYY
9.
 
Sony A7R IIIYstereo / monoYYmicro3.1YYY
10.
 
Sony A9Ystereo / monoYYmicro2.0YYY
11.
 
Sony A7 IIYstereo / monoYYmicro2.0YY-
12.
 
Sony A5100-stereo / mono--micro2.0YY-
13.
 
Sony A7Ystereo / monoYYmicro2.0YY-
14.
 
Sony NEX-3N-stereo / mono--micro2.0---
15.
 
Sony NEX-5RYstereo / mono--mini2.0Y--
16.
 
Sony NEX-5NYstereo / mono--mini2.0---
17.
 
Sony NEX-5Ystereo / mono--mini2.0---

It is notable that the A7 III has a microphone port, which is missing on the NEX-3. Such an external microphone input can help to substantially improve the quality of audio recordings when a good external microphone is used.

The A7 III is a recent model that features in the current product line-up of Sony. In contrast, the NEX-3 has been discontinued (but can be found pre-owned on eBay). As a replacement in the same line of cameras, the NEX-3 was succeeded by the Sony NEX-3N. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Sony website.

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Review summary

So what conclusions can be drawn? Is there a clear favorite between the Sony A7 III and the Sony NEX-3? Which camera is better? Below is a summary of the relative strengths of each of the two contestants.


Reasons to prefer the Sony Alpha A7 III:

  • More detail: Offers more megapixels (24 vs 14MP) with a 31% higher linear resolution.
  • Better image quality: Scores substantially higher (28 points) in the DXO overall assessment.
  • Richer colors: Generates images with noticeably better colors (2.9 bits more color depth).
  • More dynamic range: Captures a larger spectrum of light and dark details (2.7 EV of extra DR).
  • Better low-light sensitivity: Requires less light for good images (2.2 stops ISO advantage).
  • Better jpgs: Has a more modern image processing engine (BIONZ X vs BIONZ).
  • Better video: Provides higher definition movie capture (4K/30p vs 720/30p).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • Easier framing: Has an electronic viewfinder for image composition and settings control.
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (10 vs 7 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Longer lasting: Can take more shots (610 versus 330) on a single battery charge.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • Faster data transfer: Supports a more advanced USB protocol (3.1 vs 2.0).
  • 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.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • Faster buffer clearing: Supports Ultra High Speed (UHS-II and UHS-I) SDXC cards.
  • More modern: Reflects 7 years and 9 months of technical progress since the NEX-3 launch.


Arguments in favor of the Sony Alpha NEX-3:

  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • More compact: Is smaller (117x62mm vs 127x96mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 353g or 54 percent) and is thus easier to take along.
  • More affordable: Was introduced into a lower priced category (70 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in May 2010).

If the count of relative strengths (bullet points above) is taken as a measure, the A7 III is the clear winner of the match-up (27 : 5 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.

A7 III 27:05 NEX-3

How about other alternatives? Do the specifications of the Sony A7 III and the Sony NEX-3 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 technical specifications can provide a useful overview of the capabilities of different cameras, it remains incomplete and does no justice, for example, to the way the A7 III or the NEX-3 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 why hands-on reviews by experts are important. The following table reports the overall ratings of the cameras as published by some of the major 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.
 
Sony A7 III..+ +4.5/589/1005/55/5 Feb 2018 1,999 i
2.
 
Sony NEX-3......70/1004.5/54/5 May 2010 599i
3.
 
Canon 6D Mark II4/5+4/580/1004.5/54/5 Jun 2017 1,999 i
4.
 
Nikon Z65/5..5/589/1004.5/55/5 Aug 2018 1,999i
5.
 
Sony A7 IV5/5+ +4.5/5..4.5/54.5/5 Oct 2021 2,499 i
6.
 
Sony A7C3.5/5..3.5/586/1004/54/5 Sep 2020 1,799 i
7.
 
Sony A9 II....5/590/1005/55/5 Oct 2019 4,499 i
8.
 
Sony A7R IV5/5+4.5/591/1004.5/55/5 Jul 2019 3,499 i
9.
 
Sony A7R III..+ +4/590/1004.5/55/5 Oct 2017 3,199i
10.
 
Sony A95/5+ +4.8/589/1005/55/5 Apr 2017 4,499i
11.
 
Sony A7 II5/5+4/582/1004.5/55/5 Nov 2014 1,999i
12.
 
Sony A51004.5/5+....4.5/55/5 Aug 2014 549 i
13.
 
Sony A75/5+ +..80/1005/55/5 Oct 2013 1,699i
14.
 
Sony NEX-3N3/5......4.5/54.5/5 Feb 2013 499i
15.
 
Sony NEX-5R........4.5/54.5/5 Aug 2012 749i
16.
 
Sony NEX-5N3/5+ +..79/1004.5/54.5/5 Aug 2011 699i
17.
 
Sony NEX-53/5+ +..71/1004.5/54/5 May 2010 699i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated with care, 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. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

Sony A7 III:
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Sony NEX-3:
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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 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: Sony A7 III vs Sony NEX-3

    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 Sony A7 III Sony NEX-3
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Sony E mount lenses Sony E mount lenses
    Launch Date February 2018 May 2010
    Launch Price USD 1,999 USD 599
    Sensor Specs Sony A7 III Sony NEX-3
    Sensor Technology BSI-CMOS CMOS
    Sensor Format Full Frame Sensor APS-C Sensor
    Sensor Size 35.6 x 23.8 mm 23.4 x 15.6 mm
    Sensor Area 847.28 mm2 365.04 mm2
    Sensor Diagonal 42.8 mm 28.1 mm
    Crop Factor 1.0x 1.5x
    Sensor Resolution 24 Megapixels 14 Megapixels
    Image Resolution 6000 x 4000 pixels 4592 x 3056 pixels
    Pixel Pitch 5.94 μm 5.11 μm
    Pixel Density 2.83 MP/cm2 3.84 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 4K/30p Video 720/30p Video
    ISO Setting 100 - 51,200 ISO 200 - 12,800 ISO
    ISO Boost 50 - 204,800 ISO no Enhancement
    Image Processor BIONZ X BIONZ
    DXO Sensor Quality (score) 96 68
    DXO Color Depth (bits) 25.0 22.1
    DXO Dynamic Range (EV) 14.7 12.0
    DXO Low Light (ISO) 3730 830
    Screen Specs Sony A7 III Sony NEX-3
    Viewfinder Type Electronic viewfinder Viewfinder optional
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.78x
    Viewfinder Resolution 2359k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 922k dots 920k dots
    LCD Attachment Tilting screen Tilting screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Sony A7 III Sony NEX-3
    Focus System On-Sensor Phase-detect Contrast-detect AF
    Manual Focusing AidFocus Peakingno Peaking Feature
    Continuous Shooting 10 shutter flaps/s 7 shutter flaps/s
    Electronic ShutterYESno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationIn-body stabilizationLens stabilization only
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium MS or SDXC cards MS or SDXC cards
    Second Storage Option Dual card slots Single card slot
    UHS card support Single UHS-II no
    Connectivity Specs Sony A7 III Sony NEX-3
    External Flash Hotshoe Hotshoe
    USB Connector USB 3.1 USB 2.0
    HDMI Port micro HDMI mini HDMI
    Microphone Port External MIC port no MIC socket
    Headphone Socket Headphone port no Headphone port
    Wifi Support Wifi built-in no Wifi
    Near-Field Communication NFC built-in no NFC
    Bluetooth Support Bluetooth built-in no Bluetooth
    Body Specs Sony A7 III Sony NEX-3
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type NP-FZ100 NP-FW50
    Battery Life (CIPA)610 shots per charge330 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 127 x 96 x 74 mm
    (5.0 x 3.8 x 2.9 in)
    117 x 62 x 33 mm
    (4.6 x 2.4 x 1.3 in)
    Camera Weight 650 g (22.9 oz) 297 g (10.5 oz)
    Sony A7 III:
    Check current price at
    i
    Sony NEX-3:
    Check current offers at
    i

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