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Pentax MX-1 vs Sony RX100 III

The Pentax MX-1 and the Sony Cyber-shot DSC-RX100 III are two digital cameras that were announced, respectively, in January 2013 and May 2014. Both the MX-1 and the RX100 III are fixed lens compact cameras that are based on a 1/1.7-inch (MX-1) and an one-inch (RX100 III) sensor. The Pentax has a resolution of 12 megapixels, whereas the Sony provides 20 MP.

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

Headline Specifications
Pentax MX-1
versus
Sony RX100 III
Pentax MX-1   Sony RX100 III
Fixed lens compact camera Fixed lens compact camera
28-112mm f/1.8-2.5 24-70mm f/1.8-2.8
12 MP – 1/1.7" sensor 20 MP – 1" sensor
1080/30p Video 1080/60p Video
ISO 100-12,800 ISO 100-12,800 (80 - 25,600)
No viewfinder, LCD framing Electronic viewfinder (1440k dots)
3.0" LCD – 920k dots 3.0" LCD – 1229k dots
Tilting screen (no touchscreen) Tilting screen (no touchscreen)
1 shutter flaps per second 10 shutter flaps per second
In-body stabilizationLens-based stabilization
290 shots per battery charge320 shots per battery charge
122 x 61 x 51 mm, 391 g 102 x 58 x 41 mm, 290 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Pentax MX-1 and the Sony Cyber-shot DSC-RX100 III? 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

An illustration of the physical size and weight of the Pentax MX-1 and the Sony RX100 III is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All width, height and depth measures are rounded to the nearest millimeter.

Size Pentax MX-1 vs Sony RX100 III
Compare MX-1 versus RX100 III top
Comparison MX-1 or RX100 III rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony RX100 III is notably smaller (21 percent) than the Pentax MX-1. Moreover, the RX100 III is markedly lighter (26 percent) than the MX-1. In this context, it is worth noting that neither the MX-1 nor the RX100 III are weather-sealed.

The power pack in the RX100 III 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. If you want to switch the focus of the display and review another camera pair, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

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Body Specifications
# image Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Pentax MX-1 122 mm 61 mm 51 mm 391 g 290 n Jan 2013 499ebay.com
2.
 
Sony RX100 III 102 mm 58 mm 41 mm 290 g 320 n May 2014 799ebay.com
3.
 
Canon G7 X 103 mm 60 mm 40 mm 304 g 210 n Sep 2014 699ebay.com
4.
 
Canon G16 109 mm 76 mm 40 mm 356 g 360 n Aug 2013 549ebay.com
5.
 
Canon S120 100 mm 59 mm 29 mm 217 g 230 n Aug 2013 449ebay.com
6.
 
Canon G15 107 mm 76 mm 40 mm 352 g 350 n Sep 2012 499ebay.com
7.
 
Fujifilm X30 119 mm 72 mm 60 mm 423 g 470 n Aug 2014 599ebay.com
8.
 
Fujifilm X20 117 mm 70 mm 57 mm 353 g 270 n Jan 2013 599ebay.com
9.
 
Fujifilm X10 117 mm 70 mm 57 mm 350 g 270 n Sep 2011 599ebay.com
10.
 
Nikon P7800 119 mm 78 mm 50 mm 399 g 350 n Sep 2013 549ebay.com
11.
 
Olympus Stylus 1 116 mm 87 mm 57 mm 402 g 410 n Oct 2013 699ebay.com
12.
 
Olympus XZ-2 113 mm 65 mm 48 mm 346 g 340 n Sep 2012 599ebay.com
13.
 
Panasonic LF1 103 mm 62 mm 28 mm 192 g 250 n Apr 2013 499ebay.com
14.
 
Sony RX100 VII 102 mm 58 mm 43 mm 302 g 260 n Jul 2019 1,199 amazon.com
15.
 
Sony RX100 IV 102 mm 58 mm 41 mm 298 g 280 n Jun 2015 999ebay.com
16.
 
Sony RX100 II 102 mm 58 mm 38 mm 281 g 350 n Jun 2013 749ebay.com
17.
 
Sony RX100 102 mm 58 mm 36 mm 240 g 330 n Jun 2012 649ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
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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 MX-1 was launched at a markedly lower price (by 38 percent) than the RX100 III, which puts it into a different market segment. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. 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 generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have 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 tend to be associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Pentax MX-1 features a 1/1.7-inch sensor and the Sony RX100 III an one-inch sensor. The sensor area in the RX100 III is 170 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 4.5 and 2.7. The sensor in the MX-1 has a native 4:3 aspect ratio, while the one in the RX100 III offers a 3:2 aspect.

Pentax MX-1 and Sony RX100 III sensor measures

With 20MP, the RX100 III offers a higher resolution than the MX-1 (12MP), but the RX100 III nevertheless has larger individual pixels (pixel pitch of 2.41μm versus 1.89μm for the MX-1) due to its larger sensor. Moreover, the RX100 III is a somewhat more recent model (by 1 year and 4 months) than the MX-1, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units.

The resolution advantage of the Sony RX100 III implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the RX100 III for good quality output (200 dots per inch) amounts to 27.4 x 18.2 inches or 69.5 x 46.3 cm, for very good quality (250 dpi) 21.9 x 14.6 inches or 55.6 x 37.1 cm, and for excellent quality (300 dpi) 18.2 x 12.2 inches or 46.3 x 30.9 cm. The corresponding values for the Pentax MX-1 are 20 x 15 inches or 50.8 x 38.1 cm for good quality, 16 x 12 inches or 40.6 x 30.5 cm for very good quality, and 13.3 x 10 inches or 33.9 x 25.4 cm for excellent quality prints.

The Pentax MX-1 has a native sensitivity range from ISO 100 to ISO 12800. The corresponding ISO settings for the Sony Cyber-shot DSC-RX100 III are ISO 100 to ISO 12800, with the possibility to increase the ISO range to 80-25600.

In terms of underlying technology, the MX-1 is build around a CMOS sensor, while the RX100 III uses a BSI-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.

MX-1 versus RX100 III MP

For many cameras, data on sensor performance has been reported by DXO Mark. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). Of the two cameras under consideration, the RX100 III offers substantially better image quality than the MX-1 (overall score 18 points higher). The advantage is based on 2 bits higher color depth, 1 EV in additional dynamic range, and 1.3 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
# image Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Pentax MX-1 1/1.7 12.0 4000 30001080/30p20.411.320849
2.
 
Sony RX100 III 1-inch 20.0 5472 36481080/60p22.412.349567
3.
 
Canon G7 X 1-inch 20.0 5472 36481080/60p23.012.755671
4.
 
Canon G16 1/1.7 12.0 4000 30001080/60p21.011.723054
5.
 
Canon S120 1/1.7 12.0 4000 30001080/60p21.311.924656
6.
 
Canon G15 1/1.7 12.0 4000 30001080/24p19.911.516546
7.
 
Fujifilm X30 2/3 12.0 4000 30001080/60p20.411.2-31249
8.
 
Fujifilm X20 2/3 12.0 4000 30001080/60p20.110.9-46246
9.
 
Fujifilm X10 2/3 12.0 4000 30001080/30p20.511.324550
10.
 
Nikon P7800 1/1.7 12.0 4000 30001080/30p21.211.720054
11.
 
Olympus Stylus 1 1/1.7 11.8 3968 29761080/30p20.711.617951
12.
 
Olympus XZ-2 1/1.7 11.8 3968 29761080/30p20.411.321649
13.
 
Panasonic LF1 1/1.7 12.0 4000 30001080/60i20.811.621152
14.
 
Sony RX100 VII 1-inch 20.0 5472 36484K/30p21.812.441863
15.
 
Sony RX100 IV 1-inch 20.0 5472 36484K/30p22.812.659170
16.
 
Sony RX100 II 1-inch 20.0 5472 36481080/60p22.512.448367
17.
 
Sony RX100 1-inch 20.0 5472 36481080/60p22.612.439066
Note: DXO values in italics represent estimates based on sensor size and age.
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Many modern cameras are not only capable of taking still images, but can also record movies. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the RX100 III provides a faster frame rate than the MX-1. It can shoot movie footage at 1080/60p, while the Pentax is limited to 1080/30p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the RX100 III has an electronic viewfinder (1440k dots), which can be very helpful when shooting in bright sunlight. In contrast, the MX-1 relies on live view and the rear LCD for framing. The table below summarizes some of the other core capabilities of the Pentax MX-1 and Sony RX100 III in connection with corresponding information for a sample of similar cameras.

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Core Features
# image 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.
 
Pentax MX-1none n3.0 / 920 tilting n 1/8000s 1.0/s Y Y
2.
 
Sony RX100 III1440 n3.0 / 1229 tilting n 1/2000s 10.0/s Y Y
3.
 
Canon G7 Xnone n3.0 / 1040 tilting Y 1/2000s 6.5/s Y Y
4.
 
Canon G16optical n3.0 / 922 fixed n 1/4000s 2.2/s Y Y
5.
 
Canon S120none n3.0 / 922 fixed Y 1/2000s 12.1/s Y Y
6.
 
Canon G15optical n3.0 / 922 fixed n 1/4000s 2.1/s Y Y
7.
 
Fujifilm X302360 n3.0 / 920 tilting n 1/4000s 12.0/s Y Y
8.
 
Fujifilm X20optical n2.8 / 460 fixed n 1/4000s 12.0/s Y Y
9.
 
Fujifilm X10optical n2.8 / 460 fixed n 1/4000s 10.0/s Y Y
10.
 
Nikon P7800921 n3.0 / 921 swivel n 1/4000s 8.0/s Y Y
11.
 
Olympus Stylus 11440 n3.0 / 1040 tilting Y 1/2000s 7.0/s Y Y
12.
 
Olympus XZ-2optional n3.0 / 920 tilting Y 1/2000s 5.0/s Y Y
13.
 
Panasonic LF1200 n3.0 / 920 fixed n 1/4000s 10.0/s Y Y
14.
 
Sony RX100 VII2359 n3.0 / 921 tilting Y 1/2000s 90.0/s Y Y
15.
 
Sony RX100 IV2359 n3.0 / 1228 tilting n 1/2000s 16.0/s Y Y
16.
 
Sony RX100 IIoptional n3.0 / 1229 tilting n 1/2000s 10.0/s Y Y
17.
 
Sony RX100none n3.0 / 1229 fixed n 1/2000s 10.0/s Y Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
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The RX100 III 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 MX-1 does not have a selfie-screen.

Both the MX-1 and the RX100 III have zoom lenses built in. The MX-1 has a 28-112mm f/1.8-2.5 optic and the RX100 III offers a 24-70mm f/1.8-2.8 (focal lengths in full frame equivalent terms). Hence, the Sony provides a wider angle of view at the short end than the Pentax, but less tele-photo reach at the long end. Both cameras offer the same maximum aperture.

The MX-1 writes its imaging data to SDXC cards, while the RX100 III uses SDXC or Memory Stick PRO Duo cards. The RX100 III supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the MX-1 cannot take advantage of Ultra High Speed SD 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 Pentax MX-1 and Sony Cyber-shot DSC-RX100 III and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
# image Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Pentax MX-1-stereo / mono--mini2.0---
2.
 
Sony RX100 III-stereo / mono--micro2.0YY-
3.
 
Canon G7 X-stereo / mono--micro2.0YY-
4.
 
Canon G16Ystereo / mono--mini2.0Y--
5.
 
Canon S120-stereo / mono--mini2.0Y--
6.
 
Canon G15Ystereo / mono--mini2.0---
7.
 
Fujifilm X30Ystereo / mono--micro2.0Y--
8.
 
Fujifilm X20Ystereo / mono--micro2.0---
9.
 
Fujifilm X10Ystereo / mono--mini2.0---
10.
 
Nikon P7800Ystereo / monoY-mini2.0---
11.
 
Olympus Stylus 1Ystereo / mono--micro2.0Y--
12.
 
Olympus XZ-2Ystereo / mono--mini2.0---
13.
 
Panasonic LF1-stereo / mono--mini2.0YY-
14.
 
Sony RX100 VII-stereo / monoY-micro2.0YYY
15.
 
Sony RX100 IV-stereo / mono--micro2.0YY-
16.
 
Sony RX100 IIYstereo / mono--micro2.0YY-
17.
 
Sony RX100-stereo / mono--micro2.0---
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It is notable that the RX100 III offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the MX-1 does not provide wifi capability.

Both the MX-1 and the RX100 III have been discontinued, but can regularly be found used on ebay. The RX100 III was replaced by the Sony RX100 IV, while the MX-1 does not have a direct successor. Further information on the features and operation of the MX-1 and RX100 III can be found, respectively, in the Pentax MX-1 Manual (free pdf) or the online Sony RX100 III Manual.

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Review summary

So what conclusions can be drawn? Is the Pentax MX-1 better than the Sony RX100 III or vice versa? The listing below highlights the relative strengths of the two models.

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Advantages of the Pentax MX-1:

  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/2000s) to freeze action.
  • More tele-reach: Has a longer tele-lens for perspective compression and subject magnification.
  • More affordable: Was introduced into a lower priced category (38 percent cheaper at launch).
  • More heavily discounted: Has been on the market for longer (launched in January 2013).

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Reasons to prefer the Sony Cyber-shot DSC-RX100 III:

  • More detail: Has more megapixels (20 vs 12MP), which boosts linear resolution by 32%.
  • Better image quality: Scores substantially higher (18 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (2 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (1 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (1.3 stops ISO advantage).
  • Better video: Provides higher movie framerates (1080/60p versus 1080/30p).
  • Easier framing: Has an electronic viewfinder for image composition and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1229k vs 920k dots).
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (10 vs 1 flaps/sec) to capture the decisive moment.
  • Wider view: Has a wider-angle lens that facilitates landscape or interior shots.
  • More compact: Is smaller (102x58mm vs 122x61mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 101g or 26 percent) and is thus easier to take along.
  • Longer lasting: Gets more shots (320 versus 290) out of a single battery charge.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • 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.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More modern: Was introduced somewhat (1 year and 4 months) more recently.

If the number of relative strengths (bullet points above) is taken as a guide, the RX100 III is the clear winner of the contest (19 : 4 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding on a new camera. 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.

MX-1 04:19 RX100 III

How about other alternatives? Do the specifications of the Pentax MX-1 and the Sony RX100 III place the cameras among the top in their class? Find out in the latest Best Travel-Zoom 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 MX-1 or the RX100 III perform in practice. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate.

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
# image  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Pentax MX-13/5....74/1004/54/5 Jan 2013 499ebay.com
2.
 
Sony RX100 III5/5+ +..82/1004.5/55/5 May 2014 799ebay.com
3.
 
Canon G7 X4/5+ +..77/1004.5/54.5/5 Sep 2014 699ebay.com
4.
 
Canon G164/5+....4.5/54.5/5 Aug 2013 549ebay.com
5.
 
Canon S120..+ +....4.5/54.5/5 Aug 2013 449ebay.com
6.
 
Canon G154/5+..76/1004.5/54.5/5 Sep 2012 499ebay.com
7.
 
Fujifilm X304/5....76/1004.5/54.5/5 Aug 2014 599ebay.com
8.
 
Fujifilm X204/5+ +..77/1004.5/55/5 Jan 2013 599ebay.com
9.
 
Fujifilm X10......76/1004/54.5/5 Sep 2011 599ebay.com
10.
 
Nikon P78003/5......4/54.5/5 Sep 2013 549ebay.com
11.
 
Olympus Stylus 1..+ +....4.5/54.5/5 Oct 2013 699ebay.com
12.
 
Olympus XZ-24/5+....4.5/54.5/5 Sep 2012 599ebay.com
13.
 
Panasonic LF13/5+....4/54.5/5 Apr 2013 499ebay.com
14.
 
Sony RX100 VII4.5/5..4/5..4/55/5 Jul 2019 1,199 amazon.com
15.
 
Sony RX100 IV4.5/5+ +..85/1004/54.5/5 Jun 2015 999ebay.com
16.
 
Sony RX100 II5/5+ +..79/1004.5/54.5/5 Jun 2013 749ebay.com
17.
 
Sony RX1005/5+ +..78/1004/55/5 Jun 2012 649ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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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 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.

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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.

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    Specifications: Pentax MX-1 vs Sony RX100 III

    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 Pentax MX-1 Sony RX100 III
    Camera Type Fixed lens compact camera Fixed lens compact camera
    Camera Lens 28-112mm f/1.8-2.5 24-70mm f/1.8-2.8
    Launch Date January 2013 May 2014
    Launch Price USD 499 USD 799
    Sensor Specs Pentax MX-1 Sony RX100 III
    Sensor Technology CMOS BSI-CMOS
    Sensor Format 1/1.7" Sensor 1" Sensor
    Sensor Size 7.6 x 5.7 mm 13.2 x 8.8 mm
    Sensor Area 43.32 mm2 116.16 mm2
    Sensor Diagonal 9.5 mm 15.9 mm
    Crop Factor 4.5x 2.7x
    Sensor Resolution 12 Megapixels 20 Megapixels
    Image Resolution 4000 x 3000 pixels 5472 x 3648 pixels
    Pixel Pitch 1.89 μm 2.41 μm
    Pixel Density 27.70 MP/cm2 17.18 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/30p Video 1080/60p Video
    ISO Setting 100 - 12,800 ISO 100 - 12,800 ISO
    ISO Boost no Enhancement 80 - 25,600 ISO
    DXO Sensor Quality (score) 49 67
    DXO Color Depth (bits) 20.4 22.4
    DXO Dynamic Range (EV) 11.3 12.3
    DXO Low Light (ISO) 208 495
    Screen Specs Pentax MX-1 Sony RX100 III
    Viewfinder Type no viewfinder Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.59x
    Viewfinder Resolution 1440k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 920k dots 1229k dots
    LCD Attachment Tilting screen Tilting screen
    Shooting Specs Pentax MX-1 Sony RX100 III
    Focus System Contrast-detect AF Contrast-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/2000s
    Continuous Shooting 1 shutter flaps/s 10 shutter flaps/s
    Image StabilizationIn-body stabilizationLens-based stabilization
    Fill Flash Built-in Flash Built-in Flash
    Storage Medium SDXC cards MS or SDXC cards
    Single or Dual Card Slots Single card slot Single card slot
    UHS card support no UHS-I
    Connectivity Specs Pentax MX-1 Sony RX100 III
    External Flash no Hotshoe no Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI micro HDMI
    Wifi Support no Wifi Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Body Specs Pentax MX-1 Sony RX100 III
    Battery Type Pentax D-LI106 Sony NP-BX1
    Battery Life (CIPA)290 shots per charge320 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 122 x 61 x 51 mm
    (4.8 x 2.4 x 2.0 in)
    102 x 58 x 41 mm
    (4.0 x 2.3 x 1.6 in)
    Camera Weight 391 g (13.8 oz) 290 g (10.2 oz)
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