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Pentax K-1 II vs Canon G5 X

The Pentax K-1 II and the Canon PowerShot G5 X are two digital cameras that were officially introduced, respectively, in February 2018 and October 2015. The K-1 II is a DSLR, while the G5X is a fixed lens compact. The cameras are based on a full frame (K-1 II) and an one-inch (G5X) sensor. The Pentax has a resolution of 36.2 megapixels, whereas the Canon 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 K-1 II
versus
Canon G5 X
Pentax K-1 II   Canon G5 X
Digital single lens reflex Fixed lens compact camera
Pentax K mount lenses 24-100mm f/1.8-2.8
36.2 MP – Full Frame sensor 20 MP – 1" sensor
1080/60i Video 1080/60p Video
ISO 100-819,200 ISO 125-12,800 (125 - 25,600)
Optical viewfinder Electronic viewfinder (2360k dots)
3.2" LCD – 1037k dots 3.0" LCD – 1040k dots
Fully flexible screen (no touchscreen) Swivel touchscreen
4.4 shutter flaps per second 5.9 shutter flaps per second
In-body stabilizationLens-based stabilization
Weathersealed bodynot weather sealed
670 shots per battery charge210 shots per battery charge
137 x 110 x 86 mm, 1010 g 112 x 76 x 44 mm, 353 g
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Check K-1 II price at
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Check G5X offers at
ebay.com

Going beyond this snapshot of core features and characteristics, what are the differences between the Pentax K-1 II and the Canon PowerShot G5 X? 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 K-1 II and the Canon G5 X 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 dimensions are rounded to the nearest millimeter.

The K-1 II can be obtained in two different colors (black, silver), while the G5X is only available in black.

Size Pentax K-1 II vs Canon G5 X
Compare K-1 II versus G5X top
Comparison K-1 II or G5X rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon G5 X is considerably smaller (44 percent) than the Pentax K-1 II. It is worth mentioning in this context that the K-1 II is splash and dust resistant, while the G5X does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the G5X has a lens built in, whereas the K-1 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 K-1 II gets 670 shots out of its Pentax D-LI90 battery, while the G5X can take 210 images on a single charge of its Canon NB-13L power pack. The power pack in the G5X can be charged via the USB port, which can be very convenient when travelling.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. 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 K-1 II 137 mm 110 mm 86 mm 1010 g 670 Y Feb 2018 1,999 amazon.com
2.
 
Canon G5 X 112 mm 76 mm 44 mm 353 g 210 n Oct 2015 799ebay.com
3.
 
Canon R 139 mm 98 mm 84 mm 660 g 370 Y Sep 2018 2,299ebay.com
4.
 
Canon G7 X Mark II 106 mm 61 mm 42 mm 319 g 265 n Feb 2016 699ebay.com
5.
 
Canon G9 X 98 mm 58 mm 31 mm 209 g 220 n Oct 2015 529ebay.com
6.
 
Canon G7 X 103 mm 60 mm 40 mm 304 g 210 n Sep 2014 699ebay.com
7.
 
Nikon Z6 134 mm 101 mm 67 mm 675 g 310 Y Aug 2018 1,999ebay.com
8.
 
Panasonic S1 149 mm 110 mm 97 mm 1017 g 400 Y Feb 2019 2,499 amazon.com
9.
 
Panasonic S1R 149 mm 110 mm 97 mm 1016 g 380 Y Feb 2019 3,699 amazon.com
10.
 
Panasonic S1H 151 mm 114 mm 110 mm 1052 g 400 Y May 2019 3,999 amazon.com
11.
 
Panasonic ZS100 111 mm 65 mm 44 mm 312 g 300 n Jan 2016 699ebay.com
12.
 
Pentax K-1 137 mm 110 mm 86 mm 1010 g 760 Y Feb 2016 1,799ebay.com
13.
 
Sony A7 III 127 mm 96 mm 74 mm 650 g 610 Y Feb 2018 1,999 amazon.com
14.
 
Sony A7R III 127 mm 96 mm 74 mm 650 g 650 Y Oct 2017 3,199ebay.com
15.
 
Sony A99 II 143 mm 104 mm 76 mm 849 g 490 Y Sep 2016 3,199ebay.com
16.
 
Sony RX100 III 102 mm 58 mm 41 mm 290 g 320 n May 2014 799ebay.com
17.
 
Sony A850 156 mm 117 mm 82 mm 895 g 880 Y Aug 2009 1,999ebay.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 naturally be influenced heavily by the price. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The G5X was launched at a lower price than the K-1 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 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. 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Pentax K-1 II features a full frame sensor and the Canon G5 X an one-inch sensor. The sensor area in the G5X is 87 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 2.7. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Pentax K-1 II and Canon G5 X sensor measures

With 36.2MP, the K-1 II offers a higher resolution than the G5X (20MP), but the K-1 II nevertheless has larger individual pixels (pixel pitch of 4.88μm versus 2.41μm for the G5X) due to its larger sensor. Moreover, the K-1 II is a much more recent model (by 2 years and 4 months) than the G5X, and its sensor will 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 K-1 II has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Pentax K-1 II implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the K-1 II for good quality output (200 dots per inch) amounts to 36.8 x 24.6 inches or 93.5 x 62.4 cm, for very good quality (250 dpi) 29.4 x 19.6 inches or 74.8 x 49.9 cm, and for excellent quality (300 dpi) 24.5 x 16.4 inches or 62.3 x 41.6 cm. The corresponding values for the Canon G5 X are 27.4 x 18.2 inches or 69.5 x 46.3 cm for good quality, 21.9 x 14.6 inches or 55.6 x 37.1 cm for very good quality, and 18.2 x 12.2 inches or 46.3 x 30.9 cm for excellent quality prints.

Unlike the G5X, the K-1 II has the capacity to capture high quality composite images by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).

The Pentax K-1 II has a native sensitivity range from ISO 100 to ISO 819200. The corresponding ISO settings for the Canon PowerShot G5 X are ISO 125 to ISO 12800, with the possibility to increase the ISO range to 125-25600.

In terms of underlying technology, the K-1 II is build around a CMOS sensor, while the G5X 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.

K-1 II versus G5X MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. 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"). 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
# image Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Pentax K-1 II Full Frame 36.2 7360 49121080/60i25.114.0269893
2.
 
Canon G5 X 1-inch 20.0 5472 36481080/60p21.412.347162
3.
 
Canon R Full Frame 30.1 6720 44804K/30p24.513.5274289
4.
 
Canon G7 X Mark II 1-inch 20.0 5472 36481080/60p21.811.926062
5.
 
Canon G9 X 1-inch 20.0 5472 36481080/60p21.512.349563
6.
 
Canon G7 X 1-inch 20.0 5472 36481080/60p23.012.755671
7.
 
Nikon Z6 Full Frame 24.3 6048 40244K/30p25.314.3329995
8.
 
Panasonic S1 Full Frame 24.0 6000 40004K/60p25.214.5333395
9.
 
Panasonic S1R Full Frame 46.7 8368 55844K/60p26.414.13525100
10.
 
Panasonic S1H Full Frame 24.0 6000 40006K/30p25.214.2280594
11.
 
Panasonic ZS100 1-inch 20.0 5472 36484K/30p22.812.555970
12.
 
Pentax K-1 Full Frame 36.2 7360 49121080/60i25.414.6328096
13.
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096
14.
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
15.
 
Sony A99 II Full Frame 42.2 7952 53044K/30p25.413.4231792
16.
 
Sony RX100 III 1-inch 20.0 5472 36481080/60p22.412.349567
17.
 
Sony A850 Full Frame 24.4 6048 4032none23.812.2141579
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 are equipped with sensors that have a sufficiently high read-out speed for moving images, but the G5X provides a faster frame rate than the K-1 II. It can shoot movie footage at 1080/60p, while the Pentax is limited to 1080/60i.

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the G5X has an electronic viewfinder (2360k dots), while the K-1 II has an optical one. Both systems have their advantages, with the electronic viewfinder making it possible to project supplementary shooting information into the framing view, whereas the optical viewfinder offers lag-free viewing and a very clear framing image. The following table reports on some other key feature differences and similarities of the Pentax K-1 II, the Canon G5 X, and comparable 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 K-1 IIoptical Y3.2 / 1037 full-flex n 1/8000s 4.4/s n Y
2.
 
Canon G5 X2360 n3.0 / 1040 swivel Y 1/2000s 5.9/s Y Y
3.
 
Canon R3690 Y3.2 / 2100 swivel Y 1/8000s 8.0/s n n
4.
 
Canon G7 X Mark IInone n3.0 / 1040 tilting Y 1/2000s 8.0/s Y Y
5.
 
Canon G9 Xnone n3.0 / 1040 fixed Y 1/2000s 6.0/s Y Y
6.
 
Canon G7 Xnone n3.0 / 1040 tilting Y 1/2000s 6.5/s Y Y
7.
 
Nikon Z63690 Y3.2 / 2100 tilting Y 1/8000s 12.0/s n Y
8.
 
Panasonic S15760 Y3.2 / 2100 full-flex Y 1/8000s 9.0/s n Y
9.
 
Panasonic S1R5760 Y3.2 / 2100 full-flex Y 1/8000s 9.0/s n Y
10.
 
Panasonic S1H5760 Y3.2 / 2330 swivel Y 1/8000s 9.0/s n Y
11.
 
Panasonic ZS1001166 n3.0 / 1040 fixed Y 1/2000s 10.0/s Y Y
12.
 
Pentax K-1optical Y3.2 / 1037 full-flex n 1/8000s 4.4/s n Y
13.
 
Sony A7 III2359 n3.0 / 922 tilting Y 1/8000s 10.0/s n Y
14.
 
Sony A7R III3686 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
15.
 
Sony A99 II2400 Y3.0 / 1229 full-flex n 1/8000s 12.0/s n Y
16.
 
Sony RX100 III1440 n3.0 / 1229 tilting n 1/2000s 10.0/s Y Y
17.
 
Sony A850optical Y3.0 / 922 fixed n 1/8000s 3.0/s n Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
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One feature that is present on the K-1 II, but is missing on the G5X 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.

The G5X 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 K-1 II does not have a selfie-screen.

The Pentax K-1 II and the Canon G5 X both have an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

Concerning the storage of imaging data, both the K-1 II and the G5X write their files to SDXC cards. The K-1 II features dual card slots, which can be very useful in case a memory card fails. In contrast, the G5X only has one slot. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of up to 104 MB/s.

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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 K-1 II and Canon PowerShot G5 X 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 K-1 IIYstereo / monoYYmicro2.0Y--
2.
 
Canon G5 XYstereo / mono--mini2.0YY-
3.
 
Canon RYstereo / monoYYmini3.1Y-Y
4.
 
Canon G7 X Mark II-stereo / mono--micro2.0YY-
5.
 
Canon G9 X-stereo / mono--micro2.0YY-
6.
 
Canon G7 X-stereo / mono--micro2.0YY-
7.
 
Nikon Z6Ystereo / monoYYmicro3.1Y-Y
8.
 
Panasonic S1Ystereo / monoYYfull3.1Y-Y
9.
 
Panasonic S1RYstereo / monoYYfull3.1Y-Y
10.
 
Panasonic S1HYstereo / monoYYfull3.1Y-Y
11.
 
Panasonic ZS100-stereo / mono--micro2.0Y--
12.
 
Pentax K-1Ystereo / monoYYmicro2.0Y--
13.
 
Sony A7 IIIYstereo / monoYYmicro3.1YYY
14.
 
Sony A7R IIIYstereo / monoYYmicro3.1YYY
15.
 
Sony A99 IIYstereo / monoYYmicro2.0YYY
16.
 
Sony RX100 III-stereo / mono--micro2.0YY-
17.
 
Sony A850Y- / ---mini2.0---
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It is notable that the K-1 II has a microphone port, which is missing on the G5X. Such an external microphone input can help to substantially improve the quality of audio recordings when a good external microphone is used.

Studio photographers will appreciate that the Pentax K-1 II (unlike the G5X) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Travel and landscape photographers will find it useful that the K-1 II has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.

The K-1 II is a recent model that features in the current product line-up of Pentax. In contrast, the G5X has been discontinued (but can be found pre-owned on ebay). As a replacement in the same line of cameras, the G5X was succeeded by the Canon G5 X Mark II. Further information on the features and operation of the K-1 II and G5X can be found, respectively, in the Pentax K-1 II Manual (free pdf) or the online Canon G5 X Manual.

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Review summary

So what conclusions can be drawn? Which of the two cameras – the Pentax K-1 II or the Canon G5 X – has the upper hand? Is one clearly better than the other? The listing below highlights the relative strengths of the two models.

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Reasons to prefer the Pentax K-1 II:

  • More detail: Offers more megapixels (36.2 vs 20MP) with a 35% higher linear resolution.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • 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 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.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • Larger screen: Has a bigger rear LCD (3.2" vs 3.0") for image review and settings control.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/2000s) to freeze action.
  • More flexible: Can take a variety of interchangeable lenses, including specialty optics.
  • Longer lasting: Can take more shots (670 versus 210) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Easier geotagging: Features an internal GPS sensor to log localization data.
  • 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.
  • More modern: Reflects 2 years and 4 months of technical progress since the G5X launch.

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Arguments in favor of the Canon PowerShot G5 X:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better video: Provides higher movie framerates (1080/60p versus 1080/60i).
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (5.9 vs 4.4 flaps/sec) to capture the decisive moment.
  • Ready to shoot: Comes with an integrated lens, while the K-1 II requires a separate lens.
  • More compact: Is smaller (112x76mm vs 137x110mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight even though it has a lens built in (unlike the K-1 II).
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • More affordable: Was introduced at a lower price, despite coming with a built-in lens.
  • More heavily discounted: Has been around for much longer (launched in October 2015).

If the count of individual advantages (bullet points above) is taken as a guide, the K-1 II is the clear winner of the match-up (20 : 14 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.

K-1 II 20:14 G5X

How about other alternatives? Do the specifications of the Pentax K-1 II and the Canon G5 X place the cameras among the top in their class? Find out in the latest Best DSLR Camera and Best Travel-Zoom Camera listings 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 says little about, for example, the shooting experience and imaging performance of the K-1 II and the G5X in practical situations. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.

Expert reviews

This is where reviews by experts come in. The 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 K-1 II....4.5/579/1004.5/54.5/5 Feb 2018 1,999 amazon.com
2.
 
Canon G5 X5/5+ +..78/1004.5/54.5/5 Oct 2015 799ebay.com
3.
 
Canon R4/5o4/579/1004.5/54/5 Sep 2018 2,299ebay.com
4.
 
Canon G7 X Mark II4.5/5+ +..81/1004.5/54.5/5 Feb 2016 699ebay.com
5.
 
Canon G9 X3.5/5+ +....4.5/54.5/5 Oct 2015 529ebay.com
6.
 
Canon G7 X4/5+ +..77/1004.5/54.5/5 Sep 2014 699ebay.com
7.
 
Nikon Z65/5..5/589/1004.5/55/5 Aug 2018 1,999ebay.com
8.
 
Panasonic S14.5/5+ +4.5/588/1004.5/54/5 Feb 2019 2,499 amazon.com
9.
 
Panasonic S1R4.5/5..4.6/589/1004.5/54.5/5 Feb 2019 3,699 amazon.com
10.
 
Panasonic S1H....4/590/100.... May 2019 3,999 amazon.com
11.
 
Panasonic ZS1004.5/5+ +..82/1004.5/54.5/5 Jan 2016 699ebay.com
12.
 
Pentax K-15/5....84/1005/55/5 Feb 2016 1,799ebay.com
13.
 
Sony A7 III..+ +4.5/589/1005/55/5 Feb 2018 1,999 amazon.com
14.
 
Sony A7R III..+ +4/590/1004.5/55/5 Oct 2017 3,199ebay.com
15.
 
Sony A99 II....4.5/585/1004.5/54.5/5 Sep 2016 3,199ebay.com
16.
 
Sony RX100 III5/5+ +..82/1004.5/55/5 May 2014 799ebay.com
17.
 
Sony A8503/5....75/100..4.5/5 Aug 2009 1,999ebay.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 ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.

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Check K-1 II price at
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Check G5X offers at
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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 make a corresponding selection in the search boxes below. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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    Specifications: Pentax K-1 II vs Canon G5 X

    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 K-1 II Canon G5 X
    Camera Type Digital single lens reflex Fixed lens compact camera
    Camera Lens Pentax K mount lenses 24-100mm f/1.8-2.8
    Launch Date February 2018 October 2015
    Launch Price USD 1,999 USD 799
    Sensor Specs Pentax K-1 II Canon G5 X
    Sensor Technology CMOS BSI-CMOS
    Sensor Format Full Frame Sensor 1" Sensor
    Sensor Size 35.9 x 24.0 mm 13.2 x 8.8 mm
    Sensor Area 861.6 mm2 116.16 mm2
    Sensor Diagonal 43.2 mm 15.9 mm
    Crop Factor 1.0x 2.7x
    Sensor Resolution 36.2 Megapixels 20 Megapixels
    Image Resolution 7360 x 4912 pixels 5472 x 3648 pixels
    Pixel Pitch 4.88 μm 2.41 μm
    Pixel Density 4.20 MP/cm2 17.18 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 1080/60i Video 1080/60p Video
    ISO Setting 100 - 819,200 ISO 125 - 12,800 ISO
    ISO Boost no Enhancement 125 - 25,600 ISO
    Image Processor PRIME IV DIGIC 6
    DXO Sensor Quality (score) .. 62
    DXO Color Depth (bits) .. 21.4
    DXO Dynamic Range (EV) .. 12.3
    DXO Low Light (ISO) .. 471
    Screen Specs Pentax K-1 II Canon G5 X
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.70x
    Viewfinder Resolution 2360k dots
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.2inch 3.0inch
    LCD Resolution 1037k dots 1040k dots
    LCD Attachment Fully flexible screen Swivel screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Pentax K-1 II Canon G5 X
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/2000s
    Continuous Shooting 4.4 shutter flaps/s 5.9 shutter flaps/s
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationIn-body stabilizationLens-based stabilization
    Fill Flash no On-Board Flash Built-in Flash
    Storage Medium SDXC cards SDXC cards
    Single or Dual Card Slots Dual card slots Single card slot
    UHS card support UHS-I UHS-I
    Connectivity Specs Pentax K-1 II Canon G5 X
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 2.0 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 Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Geotagging GPS built-in no internal GPS
    Body Specs Pentax K-1 II Canon G5 X
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type Pentax D-LI90 Canon NB-13L
    Battery Life (CIPA)670 shots per charge210 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 137 x 110 x 86 mm
    (5.4 x 4.3 x 3.4 in)
    112 x 76 x 44 mm
    (4.4 x 3.0 x 1.7 in)
    Camera Weight 1010 g (35.6 oz) 353 g (12.5 oz)
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