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Sony A9 II vs HX99

The Sony Alpha A9 II and the Sony Cyber-shot DSC-HX99 are two digital cameras that were revealed to the public, respectively, in October 2019 and August 2018. The A9 II is a mirrorless interchangeable lens camera, while the HX99 is a fixed lens compact. The cameras are based on a full frame (A9 II) and a 1/2.3-inch (HX99) sensor. The A9 II has a resolution of 24 megapixels, whereas the HX99 provides 18 MP.

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

Headline Specifications
Sony A9 II
versus
Sony HX99
Sony A9 II   Sony HX99
Mirrorless system camera Fixed lens compact camera
Sony E mount lenses 24-720mm f/3.5-6.4
24 MP – Full Frame sensor 18 MP – 1/2.3" sensor
4K/30p Video 4K/30p Video
ISO 100-51,200 (50 - 204,800) ISO 80-3,200 (80 - 6,400)
Electronic viewfinder (3686k dots) Electronic viewfinder (638k dots)
3.0" LCD – 1440k dots 3.0" LCD – 922k dots
Tilting touchscreen Tilting touchscreen
20 shutter flaps per second 10 shutter flaps per second
In-body stabilizationLens-based stabilization
Weathersealed bodynot weather sealed
690 shots per battery charge370 shots per battery charge
129 x 96 x 76 mm, 678 g 102 x 58 x 36 mm, 242 g
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Check A9 II price at
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Check HX99 offers at
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Going beyond this snapshot of core features and characteristics, what are the differences between the Sony Alpha A9 II and the Sony Cyber-shot DSC-HX99? 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 physical size and weight of the Sony A9 II and the Sony HX99 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 measures are rounded to the nearest millimeter.

Size Sony A9 II vs Sony HX99
Compare A9 II versus HX99 top
Comparison A9 II or HX99 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony HX99 is considerably smaller (52 percent) than the Sony A9 II. It is worth mentioning in this context that the A9 II is splash and dust resistant, while the HX99 does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the HX99 has a lens built in, whereas the A9 II is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup. You can compare the optics available for the A9 II and their specifications in the Sony FE Lens Catalog.

Concerning battery life, the A9 II gets 690 shots out of its Sony NP-FZ100 battery, while the HX99 can take 370 images on a single charge of its Sony NP-BX1 power pack. The battery packs of both cameras can be charged via USB, which can be very convenient when travelling.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras 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 (USD)
Street
Price
1.
 
Sony A9 II 129 mm 96 mm 76 mm 678 g 690 Y Oct 2019 4,499 amazon.com
2.
 
Sony HX99 102 mm 58 mm 36 mm 242 g 370 n Aug 2018 449ebay.com
3.
 
Canon SX730 110 mm 64 mm 40 mm 300 g 250 n Apr 2017 399ebay.com
4.
 
Sony A7 II 127 mm 96 mm 60 mm 599 g 350 Y Nov 2014 1,999ebay.com
5.
 
Sony A7 III 127 mm 96 mm 74 mm 650 g 610 Y Feb 2018 1,999 amazon.com
6.
 
Sony A7C 124 mm 71 mm 60 mm 509 g 740 Y Sep 2020 1,799 amazon.com
7.
 
Sony A7R III 127 mm 96 mm 74 mm 650 g 650 Y Oct 2017 3,199ebay.com
8.
 
Sony A7R IV 129 mm 96 mm 78 mm 665 g 670 Y Jul 2019 3,499ebay.com
9.
 
Sony A7R V 131 mm 97 mm 82 mm 723 g 530 Y Oct 2022 3,899 amazon.com
10.
 
Sony A7S II 127 mm 96 mm 60 mm 627 g 370 Y Sep 2015 2,999ebay.com
11.
 
Sony A7S III 127 mm 97 mm 81 mm 699 g 600 Y Jul 2020 3,499 amazon.com
12.
 
Sony A9 127 mm 96 mm 63 mm 673 g 650 Y Apr 2017 4,499ebay.com
13.
 
Sony A99 147 mm 111 mm 78 mm 812 g 500 Y Sep 2012 2,799ebay.com
14.
 
Sony HX90V 102 mm 58 mm 36 mm 245 g 360 n Apr 2015 429ebay.com
15.
 
Sony HX95 102 mm 58 mm 36 mm 242 g 370 n Aug 2018 429ebay.com
16.
 
Sony HX400V 130 mm 93 mm 103 mm 660 g 300 n Feb 2014 499ebay.com
17.
 
Sony WX800 102 mm 58 mm 36 mm 233 g 370 n Oct 2018 399ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

Any camera decision will obviously take relative prices into account. The 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 HX99 was launched at a lower price than the A9 II, despite having a lens built in. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

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.

Of the two cameras under consideration, the Sony A9 II features a full frame sensor and the Sony HX99 a 1/2.3-inch sensor. The sensor area in the HX99 is 97 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 5.6. The sensor in the A9 II has a native 3:2 aspect ratio, while the one in the HX99 offers a 4:3 aspect.

Sony A9 II and Sony HX99 sensor measures

With 24MP, the A9 II offers a higher resolution than the HX99 (18MP), but the A9 II nevertheless has larger individual pixels (pixel pitch of 5.94μm versus 1.25μm for the HX99) due to its larger sensor. Moreover, the A9 II is a somewhat more recent model (by 1 year and 1 month) than the HX99, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels. Coming back to sensor resolution, it should be mentioned that the HX99 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Sony A9 II implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A9 II 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 HX99 are 24.5 x 18.4 inches or 62.2 x 46.6 cm for good quality, 19.6 x 14.7 inches or 49.7 x 37.3 cm for very good quality, and 16.3 x 12.2 inches or 41.5 x 31.1 cm for excellent quality prints.

The A9 II has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Sony Alpha A9 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 Cyber-shot DSC-HX99 are ISO 80 to ISO 3200, with the possibility to increase the ISO range to 80-6400.

In terms of underlying technology, the A9 II is build around a Stacked BSI-CMOS sensor, while the HX99 uses a CMOS imager. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

A9 II versus HX99 MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. 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. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

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Sensor Characteristics
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Sony A9 II Full Frame 24.0 6000 40004K/30p25.014.0343493
2.
 
Sony HX99 1/2.3 18.0 4896 36724K/30p20.612.1105851
3.
 
Canon SX730 1/2.3 20.2 5184 38881080/60p20.511.992450
4.
 
Sony A7 II Full Frame 24.0 6000 40001080/60p24.913.6244990
5.
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096
6.
 
Sony A7C Full Frame 24.0 6000 40004K/30p25.014.7340795
7.
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
8.
 
Sony A7R IV Full Frame 60.2 9504 63364K/30p26.014.8334499
9.
 
Sony A7R V Full Frame 60.2 9504 63368k/24p26.514.83187100
10.
 
Sony A7S II Full Frame 12.0 4240 28324K/30p23.613.3299385
11.
 
Sony A7S III Full Frame 12.0 4240 28324K/120p23.713.9252086
12.
 
Sony A9 Full Frame 24.0 6000 40004K/30p24.913.3351792
13.
 
Sony A99 Full Frame 24.0 6000 40001080/60p25.014.0155589
14.
 
Sony HX90V 1/2.3 18.0 4896 36721080/60p20.211.673847
15.
 
Sony HX95 1/2.3 18.0 4896 36724K/30p20.612.1105751
16.
 
Sony HX400V 1/2.3 20.2 5184 38881080/60p20.111.462945
17.
 
Sony WX800 1/2.3 18.0 4896 36724K/30p20.612.2107051
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 can also record movies. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, and both provide the same movie specifications (4K/30p).

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Feature comparison

Beyond 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 A9 II offers a substantially higher resolution than the one in the HX99 (3686k vs 638k dots). The following table reports on some other key feature differences and similarities of the Sony A9 II, the Sony HX99, 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.
 
Sony A9 II3686 n3.0 / 1440 tilting Y 1/8000s 20.0/s n Y
2.
 
Sony HX99638 n3.0 / 922 tilting Y 1/2000s 10.0/s Y Y
3.
 
Canon SX730none n3.0 / 922 tilting n 1/3200s 5.9/s Y Y
4.
 
Sony A7 II2400 n3.0 / 1230 tilting n 1/8000s 5.0/s n Y
5.
 
Sony A7 III2359 n3.0 / 922 tilting 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 A7R III3686 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
8.
 
Sony A7R IV5760 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
9.
 
Sony A7R V9440 n3.2 / 2100 full-flex Y 1/8000s 10.0/s n Y
10.
 
Sony A7S II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n Y
11.
 
Sony A7S III9440 n3.0 / 1440 swivel Y 1/8000s 10.0/s n Y
12.
 
Sony A93686 n3.0 / 1440 tilting Y 1/8000s 20.0/s n Y
13.
 
Sony A992359 Y3.0 / 1229 full-flex n 1/8000s 6.0/s n Y
14.
 
Sony HX90V638 n3.0 / 921 tilting n 1/2000s 10.0/s Y Y
15.
 
Sony HX95638 n3.0 / 922 tilting n 1/2000s 10.0/s Y Y
16.
 
Sony HX400V210 n3.0 / 921 tilting n 1/4000s 10.0/s Y Y
17.
 
Sony WX800none n3.0 / 922 tilting Y 1/2000s 10.0/s Y Y
Note: *) 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 HX99 has one, while the A9 II does not. While the built-in flash of the HX99 is not very powerful, it can at times be useful as a fill-in light.

The HX99 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 A9 II 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 A9 II 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 A9 II has an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

The A9 II writes its imaging data to SDXC cards, while the HX99 uses SDXC or Memory Stick PRO Duo cards. The A9 II features dual card slots, which can be very useful in case a memory card fails. In contrast, the HX99 only has one slot. The A9 II supports UHS-II cards (on both slots), while the HX99 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 Sony Alpha A9 II and Sony Cyber-shot DSC-HX99 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.
 
Sony A9 IIYstereo / monoYYmicro3.1YYY
2.
 
Sony HX99-stereo / mono--micro2.0YYY
3.
 
Canon SX730-stereo / mono--micro2.0YYY
4.
 
Sony A7 IIYstereo / monoYYmicro2.0YY-
5.
 
Sony A7 IIIYstereo / monoYYmicro3.1YYY
6.
 
Sony A7CYstereo / monoYYmicro3.2YYY
7.
 
Sony A7R IIIYstereo / monoYYmicro3.1YYY
8.
 
Sony A7R IVYstereo / monoYYmicro3.1YYY
9.
 
Sony A7R VYstereo / monoYYfull3.2Y-Y
10.
 
Sony A7S IIYstereo / monoYYmicro2.0YY-
11.
 
Sony A7S IIIYstereo / monoYYfull3.2Y-Y
12.
 
Sony A9Ystereo / monoYYmicro2.0YYY
13.
 
Sony A99Ystereo / monoYYmini2.0---
14.
 
Sony HX90V-stereo / mono--micro2.0YY-
15.
 
Sony HX95-stereo / mono--micro2.0YYY
16.
 
Sony HX400VYstereo / mono--micro2.0YY-
17.
 
Sony WX800-stereo / mono--micro2.0YY-

It is notable that the A9 II has a hotshoe, while the HX99 does not. This socket makes it possible to easily attach optional accessories, such as an external flash gun.

Studio photographers will appreciate that the Sony A9 II (unlike the HX99) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

The A9 II is a recent model that features in the current product line-up of Sony. In contrast, the HX99 has been discontinued (but can be found pre-owned on ebay). There has not been a direct replacement model for the HX99 from Sony. Further information on the features and operation of the A9 II and HX99 can be found, respectively, in the Sony A9 II Manual (free pdf) or the online Sony HX99 Manual.

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Review summary

So what conclusions can be drawn? Which of the two cameras – the Sony A9 II or the Sony HX99 – 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.


Reasons to prefer the Sony Alpha A9 II:

  • More detail: Offers more megapixels (24 vs 18MP) with a 18% higher linear resolution.
  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better image quality: Features a larger and more technologically advanced imaging sensor.
  • Richer colors: The sensor size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger sensor captures a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger sensor produces good images even in poorly lit environments.
  • 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.
  • More detailed viewfinder: Has higher resolution electronic viewfinder (3686k vs 638k dots).
  • More detailed LCD: Has a higher resolution rear screen (1440k vs 922k dots).
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/2000s) to freeze action.
  • Faster burst: Shoots at higher frequency (20 vs 10 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.
  • More flexible: Accepts interchangeable lenses, so that lens characteristics can be altered.
  • Longer lasting: Can take more shots (690 versus 370) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • Faster data transfer: Supports a more advanced USB protocol (3.1 vs 2.0).
  • 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: Is somewhat more recent (announced 1 year and 1 month after the HX99).


Arguments in favor of the Sony Cyber-shot DSC-HX99:

  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Ready to shoot: Has an integrated lens, whereas the A9 II necessitates an extra lens.
  • More compact: Is smaller (102x58mm vs 129x96mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight even though it has a lens built in (unlike the A9 II).
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • More affordable: Was introduced at a lower price, despite coming with a built-in lens.
  • More heavily discounted: Has been on the market for longer (launched in August 2018).

If the number of relative strengths (bullet points above) is taken as a guide, the A9 II is the clear winner of the match-up (24 : 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 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.

A9 II 24:08 HX99

How about other alternatives? Do the specifications of the Sony A9 II and the Sony HX99 place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera and Best Superzoom Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the A9 II or the HX99. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable.

Expert reviews

This is why expert reviews are important. The 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 (USD)
Street
Price
1.
 
Sony A9 II....5/590/1005/55/5 Oct 2019 4,499 amazon.com
2.
 
Sony HX99........4/54.5/5 Aug 2018 449ebay.com
3.
 
Canon SX730..+....4/54/5 Apr 2017 399ebay.com
4.
 
Sony A7 II5/5+4/582/1004.5/55/5 Nov 2014 1,999ebay.com
5.
 
Sony A7 III..+ +4.5/589/1005/55/5 Feb 2018 1,999 amazon.com
6.
 
Sony A7C3.5/5..3.5/586/1004/54/5 Sep 2020 1,799 amazon.com
7.
 
Sony A7R III..+ +4/590/1004.5/55/5 Oct 2017 3,199ebay.com
8.
 
Sony A7R IV5/5+4.5/591/1004.5/55/5 Jul 2019 3,499ebay.com
9.
 
Sony A7R V5/5+ +4.5/592/100.... Oct 2022 3,899 amazon.com
10.
 
Sony A7S II5/5+....4.5/55/5 Sep 2015 2,999ebay.com
11.
 
Sony A7S III4.5/5+ +5/591/1004.5/55/5 Jul 2020 3,499 amazon.com
12.
 
Sony A95/5+ +4.8/589/1005/55/5 Apr 2017 4,499ebay.com
13.
 
Sony A995/5....84/1004.5/54.5/5 Sep 2012 2,799ebay.com
14.
 
Sony HX90V4/5+ +....4/54.5/5 Apr 2015 429ebay.com
15.
 
Sony HX95............ Aug 2018 429ebay.com
16.
 
Sony HX400V4/5+ +....4/54/5 Feb 2014 499ebay.com
17.
 
Sony WX800............ Oct 2018 399ebay.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. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

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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. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Sony A9 II vs Sony HX99

    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 A9 II Sony HX99
    Camera Type Mirrorless system camera Fixed lens compact camera
    Camera Lens Sony E mount lenses 24-720mm f/3.5-6.4
    Launch Date October 2019 August 2018
    Launch Price USD 4,499 USD 449
    Sensor Specs Sony A9 II Sony HX99
    Sensor Technology Stacked BSI-CMOS CMOS
    Sensor Format Full Frame Sensor 1/2.3" Sensor
    Sensor Size 35.6 x 23.8 mm 6.17 x 4.55 mm
    Sensor Area 847.28 mm2 28.0735 mm2
    Sensor Diagonal 42.8 mm 7.7 mm
    Crop Factor 1.0x 5.6x
    Sensor Resolution 24 Megapixels 18 Megapixels
    Image Resolution 6000 x 4000 pixels 4896 x 3672 pixels
    Pixel Pitch 5.94 μm 1.25 μm
    Pixel Density 2.83 MP/cm2 64.04 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 4K/30p Video 4K/30p Video
    ISO Setting 100 - 51,200 ISO 80 - 3,200 ISO
    ISO Boost 50 - 204,800 ISO 80 - 6,400 ISO
    Image Processor BIONZ X BIONZ X
    DXO Sensor Quality (score) 93 ..
    DXO Color Depth (bits) 25.0 ..
    DXO Dynamic Range (EV) 14.0 ..
    DXO Low Light (ISO) 3434 ..
    Screen Specs Sony A9 II Sony HX99
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.78x
    Viewfinder Resolution 3686k dots 638k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1440k dots 922k dots
    LCD Attachment Tilting screen Tilting screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Sony A9 II Sony HX99
    Focus System On-Sensor Phase-detect Contrast-detect AF
    Manual Focusing AidFocus Peakingno Peaking Feature
    Continuous Shooting 20 shutter flaps/s 10 shutter flaps/s
    Electronic Shutterup to 1/32000sno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationIn-body stabilizationLens-based stabilization
    Fill Flash no On-Board Flash Built-in Flash
    Storage Medium SDXC cards MS or SDXC cards
    Single or Dual Card Slots Dual card slots Single card slot
    UHS card support Dual UHS-II UHS-I
    Connectivity Specs Sony A9 II Sony HX99
    External Flash Hotshoe no Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 3.1 USB 2.0
    HDMI Port micro HDMI micro HDMI
    Microphone Port External MIC port no MIC socket
    Headphone Socket Headphone port no Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Near-Field Communication NFC built-in NFC built-in
    Bluetooth Support Bluetooth built-in Bluetooth built-in
    Body Specs Sony A9 II Sony HX99
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type Sony NP-FZ100 Sony NP-BX1
    Battery Life (CIPA)690 shots per charge370 shots per charge
    In-Camera Charging USB charging USB charging
    Body Dimensions 129 x 96 x 76 mm
    (5.1 x 3.8 x 3.0 in)
    102 x 58 x 36 mm
    (4.0 x 2.3 x 1.4 in)
    Camera Weight 678 g (23.9 oz) 242 g (8.5 oz)
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