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Sony A99 II versus Sony RX1R II

The Sony Alpha ALT-A99 II and the Sony Cyber-shot DSC-RX1R II are two digital cameras that were officially introduced, respectively, in September 2016 and October 2015. The A99 II is a DSLR, while the RX1R II is a fixed lens compact. Both cameras are equipped with a full frame sensor. Both cameras offer a resolution of 42.2 megapixel. Read on to find out how these two cameras compare with respect to their size, their sensors, their features, and their reception by expert reviewers.

Body comparison: Sony A99 II vs Sony RX1R II

The side-by-side display below illustrates the physical size and weight of the Sony A99 II and the Sony RX1R II. 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 measures are rounded to the nearest millimeter. If you prefer, you can also use the toggle button to switch to a comparison in percentage terms (in this case, the camera on the left – the A99 II – represents 100 percent across all the size and weight measures).

Compare Sony A99 II vs Sony RX1R II
Compare A99 II versus RX1R II top
Compare A99 II and RX1R II rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony RX1R II is considerably smaller (51 percent) than the Sony A99 II. It is worth mentioning in this context that the A99 II is splash and dust resistant, while the RX1R II does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the RX1R II has a lens build in, whereas the A99 II is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup.

Concerning battery life, the A99 II gets 490 shots out of its NP-FM500H battery, while the RX1R II can take 220 images on a single charge of its NP-BX1 power pack.

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, just use the right or left arrows in the table to switch to the respective camera. Alternatively, you can also navigate to the CAM-parator app and make your selection from the full list of cameras there.

Camera Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(yes/no)
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
Sony A99 II» 5.6 in 4.1 in 3.0 in 29.9 oz 490 Y Sep 2016 3,199 i i Sony A99 II
Sony RX1R II« 4.4 in 2.6 in 2.8 in 17.9 oz 220 n Oct 2015 3,299 i i Sony RX1R II
Canon 5DS« » 6.0 in 4.6 in 3.0 in 32.8 oz 700 Y Feb 2015 3,699 i i Canon 5DS
Canon 5DS R« » 6.0 in 4.6 in 3.0 in 32.8 oz 700 Y Feb 2015 3,699 i i Canon 5DS R
Leica Q Typ 116« » 5.1 in 3.1 in 3.7 in 22.6 oz 300 n Jun 2015 4,249 i i Leica Q Typ 116
Nikon D850« » 5.7 in 4.9 in 3.1 in 35.5 oz 1840 Y Jul 2017 3,299 i i Nikon D850
Pentax K-1« » 5.4 in 4.3 in 3.4 in 35.6 oz 760 Y Feb 2016 1,799- i Pentax K-1
Sony A7R III« » 5.0 in 3.8 in 2.9 in 22.9 oz 650 Y Oct 2017 3,199 i i Sony A7R III
Sony A7R II« » 5.0 in 3.8 in 2.4 in 22.0 oz 290 Y Jun 2015 3,199- i Sony A7R II
Sony A7S II« » 5.0 in 3.8 in 2.4 in 22.1 oz 370 Y Sep 2015 2,999 i i Sony A7S II
Sony RX1R« » 4.4 in 2.6 in 2.8 in 17.0 oz 270 n Jun 2013 2,799- i Sony RX1R
Sony A99« » 5.8 in 4.4 in 3.1 in 28.6 oz 500 Y Sep 2012 2,799- i Sony A99
Sony RX1« » 4.4 in 2.6 in 2.8 in 17.0 oz 270 n Sep 2012 2,799- i Sony RX1
Sony A850« » 6.1 in 4.6 in 3.2 in 31.6 oz 880 Y Aug 2009 1,999- i Sony A850
Sony A900« » 6.1 in 4.6 in 3.2 in 31.6 oz 880 Y Sep 2008 2,999- i Sony A900

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. 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: Sony A99 II vs Sony RX1R II

The size of the imaging sensor is a crucial determinant 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.

Both cameras under consideration feature a full frame sensor, but their sensors differ slightly in size. The sensor area in the RX1R II is 1 percent smaller. 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.

Sony A99 II and Sony RX1R II sensor measures

Even though the A99 II has a slightly larger sensor, both cameras offer the same resolution of 42.2 megapixel. This implies that the A99 II has a lower pixel density and larger individual pixels (with a pixel pitch of 4.52μm versus 4.50μm for the RX1R II), which gives it a potential advantage in terms of light gathering capacity. In addition, the A99 II is a somewhat more recent model (by 11 months) than the RX1R II, and its sensor might have benefitted from technological advances during this time. 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 A99 II has on-sensor phase detect pixels, which results in relatively fast and reliable autofocus acquisition during video recording.

A99 II versus RX1R II 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 consideration, the RX1R II has a markedly higher DXO score than the A99 II (overall score 5 points higher), which will translate into better image quality. The advantage is based on 0.4 bits higher color depth, 0.5 EV in additional dynamic range, and 0.5 stops in additional low light sensitivity. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
Sony A99 II» Full Frame 42.2 7952 53044K/30p25.413.4231792Sony A99 II
Sony RX1R II« Full Frame 42.2 7952 53041080/60p25.813.9320497Sony RX1R II
Canon 5DS« » Full Frame 50.3 8688 57921080/60p24.712.4238187Canon 5DS
Canon 5DS R« » Full Frame 50.3 8688 57921080/60p24.612.4230886Canon 5DS R
Leica Q Typ 116« » Full Frame 24.0 6000 40001080/60p24.312.7222185Leica Q Typ 116
Nikon D850« » Full Frame 45.4 8256 55044K/30p26.414.82660100Nikon D850
Pentax K-1« » Full Frame 36.2 7360 49121080/60i25.414.6328096Pentax K-1
Sony A7R III« » Full Frame 42.2 7952 53044K/30p26.014.73523100Sony A7R III
Sony A7R II« » Full Frame 42.2 7952 53044K/30p26.013.9343498Sony A7R II
Sony A7S II« » Full Frame 12.0 4240 28324K/30p23.613.3299385Sony A7S II
Sony RX1R« » Full Frame 24.0 6000 40001080/60p25.013.6253791Sony RX1R
Sony A99« » Full Frame 24.0 6000 40001080/60p25.014.0155589Sony A99
Sony RX1« » Full Frame 24.0 6000 40001080/60p25.114.3253493Sony RX1
Sony A850« » Full Frame 24.4 6048 4032-23.812.2141579Sony A850
Sony A900« » Full Frame 24.4 6048 4032-23.712.3143179Sony A900

Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the A99 II provides a higher video resolution than the RX1R II. It can shoot video footage at 4K/30p, while the RX1R II is limited to 1080/60p.

 

Feature comparison: Sony A99 II vs Sony RX1R II

Apart from body and sensor, cameras can and do differ across a variety of features. The two cameras under consideration are similar with respect to both having an electronic viewfinder. However, the one in the A99 II offers a slightly higher resolution than the one in the RX1R II (2400k vs 2360k dots). The following table reports on some other key feature differences and similarities of the Sony A99 II, the Sony RX1R II, and comparable cameras. The full specs-sheets can be found in the camera manual or in the dpreview camera hub.

Core Features
  Camera
Model
Viewfinder
(Type or
'000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
('000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Shutter
speed
(1/sec)
Shutter
flaps
(1/sec)
Build-in
Flash
(yes/no)
Build-in
Image
Stab
Camera
Model
Sony A99 II»2400 Y 3.0 1229 full-flex n 8000 12.0 n Y Sony A99 II
Sony RX1R II«2360 n 3.0 1229 tilting n 4000 5.0 n n Sony RX1R II
Canon 5DS« »optical Y 3.2 1040 fixed n 8000 5.0 n n Canon 5DS
Canon 5DS R« »optical Y 3.2 1040 fixed n 8000 5.0 n n Canon 5DS R
Leica Q Typ 116« »3680 n 3.0 1040 fixed Y 2000 10.0 n n Leica Q Typ 116
Nikon D850« »optical Y 3.2 2359 tilting Y 8000 9.0 n n Nikon D850
Pentax K-1« »optical Y 3.2 1037 full-flex n 8000 4.4 n Y Pentax K-1
Sony A7R III« »3686 n 3.0 1440 tilting Y 8000 10.0 n Y Sony A7R III
Sony A7R II« »2400 n 3.0 1229 tilting n 8000 5.0 n Y Sony A7R II
Sony A7S II« »2400 n 3.0 1229 tilting n 8000 5.0 n Y Sony A7S II
Sony RX1R« »- n 3.0 1229 fixed n 4000 5.0 Y n Sony RX1R
Sony A99« »2359 Y 3.0 1229 full-flex n 8000 6.0 n Y Sony A99
Sony RX1« »- n 3.0 1229 fixed n 4000 5.0 Y n Sony RX1
Sony A850« »optical Y 3.0 922 fixed n 8000 3.0 n Y Sony A850
Sony A900« »optical Y 3.0 922 fixed n 8000 5.0 n Y Sony A900

One feature that is present on the A99 II, but is missing on the RX1R II 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.

Both the A99 II and the RX1R II write their imaging data to SDXC or Memory Stick PRO Duo cards. The A99 II features dual card slots, which can be very useful in case a memory card fails. In contrast, the RX1R II only has one slot.

Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Type
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
Sony A99 II»YstereomonoYYmicro2.0YYYSony A99 II
Sony RX1R II«YstereomonoY-micro2.0YY-Sony RX1R II
Canon 5DS« »YmonomonoY-mini3.0---Canon 5DS
Canon 5DS R« »YmonomonoY-mini3.0---Canon 5DS R
Leica Q Typ 116« »Ystereomono--micro2.0YY-Leica Q Typ 116
Nikon D850« »YstereomonoYYmini3.0YYYNikon D850
Pentax K-1« »YstereomonoYYmicro2.0Y--Pentax K-1
Sony A7R III« »YstereomonoYYmicro3.1YYYSony A7R III
Sony A7R II« »YstereomonoYYmicro2.0YY-Sony A7R II
Sony A7S II« »YstereomonoYYmicro2.0YY-Sony A7S II
Sony RX1R« »YstereomonoY-mini2.0---Sony RX1R
Sony A99« »YstereomonoYYmini2.0---Sony A99
Sony RX1« »YstereomonoY-mini2.0---Sony RX1
Sony A850« »Y----mini2.0---Sony A850
Sony A900« »Y----mini2.0---Sony A900

Both the A99 II and the RX1R II are recent models that feature in their makers' current product line-up. The RX1R II replaced the earlier Sony RX1R, while the A99 II does not have a direct predecessor.

Review summary: Sony A99 II vs Sony RX1R II

So what conclusions can be drawn? Is there a clear favorite between the Sony A99 II and the Sony RX1R II? A synthesis of the relative strong points of each of the models is listed below.


Arguments in favor of the Sony Alpha ALT-A99 II:

  • Better video: Provides higher definition movie capture (4K/30p vs 1080/60p).
  • Better video autofocus: Features on-sensor phase-detection for more confident movie autofocus.
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • More flexible LCD: Has full-flex screen for odd-angle shots in portrait or landscape orientation.
  • Faster shutter: Has higher mechanical shutter speed (8000/sec vs 4000/sec) to freeze action.
  • Faster burst: Shoots at higher frequency (12 vs 5 flaps/sec) to capture the decisive moment.
  • More flexible: Can take a variety of interchangeable lenses, including specialty optics.
  • Longer lasting: Can take more shots (490 versus 220) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Sharper images: Has hand-shake reducing image stabilization build-in.
  • 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.
  • More modern: Is somewhat more recent (announced 11 months after the RX1R II).


Advantages of the Sony Cyber-shot DSC-RX1R II:

  • Better image quality: Scores markedly higher (5 points) in the DXO overall evaluation.
  • Better low-light sensitivity: Can shoot in dim conditions (0.5 stops ISO advantage).
  • Ready to shoot: Comes with an integrated lens, while the A99 II requires a separate lens.
  • More compact: Is smaller (113x65mm vs 143x104mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight even though it has a lens build in (unlike the A99 II).
  • More heavily discounted: Has been on the market for longer (launched in October 2015).

If the count of individual advantages (bullet points above) is taken as a guide, the A99 II is the clear winner of the match-up (14 : 6 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.

A99 II 14:06 RX1R II

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 A99 II or the RX1R II handle or perform in practice. 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. This is why hands-on reviews by experts are important. The table below summarizes the assessments of some of the best known camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, photographyblog). The detailed reviews can be accessed by clicking on the site logo in the table header.

Review Scores
  Camera
Model
cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
Sony A99 II»-85/1004.5/54.5/54.5/5 Sep 2016 3,199 i i Sony A99 II
Sony RX1R II«-82/100-rev4.5/5 Oct 2015 3,299 i i Sony RX1R II
Canon 5DS« »Rec83/1004.5/55/54.5/5 Feb 2015 3,699 i i Canon 5DS
Canon 5DS R« »Rec83/1005/55/54.5/5 Feb 2015 3,699 i i Canon 5DS R
Leica Q Typ 116« »-80/1004.5/5-4.5/5 Jun 2015 4,249 i i Leica Q Typ 116
Nikon D850« »HiRec89/1004.5/55/55/5 Jul 2017 3,299 i i Nikon D850
Pentax K-1« »-84/1005/54.5/55/5 Feb 2016 1,799- i Pentax K-1
Sony A7R III« »HiRec90/1004.5/55/55/5 Oct 2017 3,199 i i Sony A7R III
Sony A7R II« »HiRec90/1005/54.5/55/5 Jun 2015 3,199- i Sony A7R II
Sony A7S II« »Rec-4.5/55/55/5 Sep 2015 2,999 i i Sony A7S II
Sony RX1R« »--4/5rev4.5/5 Jun 2013 2,799- i Sony RX1R
Sony A99« »-84/1004.5/5rev4.5/5 Sep 2012 2,799- i Sony A99
Sony RX1« »-79/1004/54.5/54.5/5 Sep 2012 2,799- i Sony RX1
Sony A850« »-75/100-4/54.5/5 Aug 2009 1,999- i Sony A850
Sony A900« »HiRecHiRec4.5/54/55/5 Sep 2008 2,999- i Sony A900

The above review scores should be interpreted 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 comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

 

Other camera comparisons

Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just use the search menu below. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored. If the camera you are interested in is not available, please send me an email, and I will try to update the database with the necessary infos.

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