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Canon G3 X vs Pentax 645Z

The Canon PowerShot G3 X and the Pentax 645Z are two digital cameras that were officially introduced, respectively, in June 2015 and April 2014. The G3X is a fixed lens compact, while the 645Z is a DSLR. The cameras are based on an one-inch (G3X) and a medium format (645Z) sensor. The Canon has a resolution of 20 megapixels, whereas the Pentax provides 51.1 MP.

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

Headline Specifications
Canon G3 X versus Pentax 645Z
Canon G3 X Pentax 645Z
Fixed lens compact camera Digital single lens reflex
24-600mm f/2.8-5.6 Pentax 645 mount lenses
20 MP, 1" Sensor 51.1 MP, Medium Format Sensor
1080/60p Video 1080/60i Video
ISO 125-12,800 (125 - 25,600) ISO 100-204,800
Viewfinder optional Optical viewfinder
3.2 LCD, 1620k dots 3.2 LCD, 1037k dots
Tilting touchscreen Tilting screen (not touch-sensitive)
5.9 shutter flaps per second 3 shutter flaps per second
Weathersealed bodyWeathersealed body
300 shots per battery charge650 shots per battery charge
123 x 77 x 105 mm, 733 g 156 x 117 x 123 mm, 1550 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon PowerShot G3 X and the Pentax 645Z? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.

Body comparison

The side-by-side display below illustrates the physical size and weight of the Canon G3 X and the Pentax 645Z. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth dimensions are rounded to the nearest millimeter.

Size Canon G3 X vs Pentax 645Z
Compare G3X versus 645Z top
Comparison G3X or 645Z rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Pentax 645Z is considerably larger (93 percent) than the Canon G3 X. In this context, it is worth noting that both cameras are splash and dust-proof and can, hence, be used in inclement weather conditions or harsh environments.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the G3X has a lens built in, whereas the 645Z 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 G3X gets 300 shots out of its NB-10L battery, while the 645Z can take 650 images on a single charge of its D-LI90 power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. 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
    Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon G3 X 123 mm 77 mm 105 mm 733 g 300 Y Jun 2015 999 i
2.
 
Pentax 645Z 156 mm 117 mm 123 mm 1550 g 650 Y Apr 2014 8,499 i
3.
 
Canon 80D 139 mm 105 mm 79 mm 730 g 960 Y Feb 2016 1,199i
4.
 
Canon 5DS 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699 i
5.
 
Canon 5DS R 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699 i
6.
 
Canon G9 X 98 mm 58 mm 31 mm 209 g 220 n Oct 2015 529i
7.
 
Canon 7D II 149 mm 112 mm 78 mm 910 g 670 Y Sep 2014 1,799 i
8.
 
Canon 70D 139 mm 104 mm 79 mm 755 g 920 Y Jul 2013 1,199i
9.
 
Hasselblad X1D 150 mm 98 mm 71 mm 725 g .. Y Jun 2016 8,995i
10.
 
Leica SL 147 mm 104 mm 39 mm 847 g 400 Y Oct 2015 7,450i
11.
 
Nikon D7200 136 mm 107 mm 76 mm 765 g 1110 Y Mar 2015 1,199i
12.
 
Panasonic FZ1000 137 mm 99 mm 131 mm 831 g 360 n Jun 2014 899i
13.
 
Pentax 645D 156 mm 117 mm 119 mm 1480 g 800 Y Mar 2010 9,995i
14.
 
Sony RX10 III 133 mm 94 mm 127 mm 1051 g 420 Y Mar 2016 1,499 i
15.
 
Sony RX100 V 102 mm 58 mm 41 mm 299 g 220 n Oct 2016 999 i
16.
 
Sony RX10 II 129 mm 88 mm 102 mm 813 g 400 Y Jun 2015 1,299i
17.
 
Sony RX100 IV 102 mm 58 mm 41 mm 298 g 280 n Jun 2015 999i
Notes: 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 G3X was launched at a lower price than the 645Z, 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.

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Sensor comparison

The imaging sensor is at the core of digital cameras and its size is one of the main determining factors 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. 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 Canon G3 X features an one-inch sensor and the Pentax 645Z a medium format sensor. The sensor area in the 645Z is 1139 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.7 and 0.79. The sensor in the G3X has a native 3:2 aspect ratio, while the one in the 645Z offers a 4:3 aspect.

Canon G3 X and Pentax 645Z sensor measures

With 51.1MP, the 645Z offers a higher resolution than the G3X (20MP), but the 645Z nevertheless has larger individual pixels (pixel pitch of 5.30μm versus 2.41μm for the G3X) due to its larger sensor. However, the G3X is a somewhat more recent model (by 1 year and 2 months) than the 645Z, and its sensor might have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that the 645Z has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Pentax 645Z implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the 645Z for good quality output (200 dots per inch) amounts to 41.3 x 31 inches or 104.9 x 78.6 cm, for very good quality (250 dpi) 33 x 24.8 inches or 83.9 x 62.9 cm, and for excellent quality (300 dpi) 27.5 x 20.6 inches or 69.9 x 52.4 cm. The corresponding values for the Canon G3 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.

The Canon PowerShot G3 X has a native sensitivity range from ISO 125 to ISO 12800, which can be extended to ISO 125-25600. The corresponding ISO settings for the Pentax 645Z are ISO 100 to ISO 204800 (no boost).

G3X versus 645Z MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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 645Z offers substantially better image quality than the G3X (overall score 38 points higher). The advantage is based on 4.6 bits higher color depth, 2.4 EV in additional dynamic range, and 3.1 stops in additional low light sensitivity. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

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Sensor Characteristics
    Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Canon G3 X 1-inch 20.0 5472 36481080/60p21.412.352163
2.
 
Pentax 645Z Medium Format 51.1 8256 61921080/60i26.014.74505101
3.
 
Canon 80D APS-C 24.0 6000 40001080/60p23.613.2113579
4.
 
Canon 5DS Full Frame 50.3 8688 57921080/30p24.712.4238187
5.
 
Canon 5DS R Full Frame 50.3 8688 57921080/30p24.612.4230886
6.
 
Canon G9 X 1-inch 20.0 5472 36481080/60p21.512.349563
7.
 
Canon 7D II APS-C 20.0 5472 36481080/60p22.411.8108270
8.
 
Canon 70D APS-C 20.0 5472 36481080/30p22.511.692668
9.
 
Hasselblad X1D Medium Format 51.3 8272 62001080/25p26.214.84489102
10.
 
Leica SL Full Frame 24.0 6000 40004K/30p25.013.4182188
11.
 
Nikon D7200 APS-C 24.0 6000 40001080/60p24.514.6133387
12.
 
Panasonic FZ1000 1-inch 20.0 5472 36484K/30p22.111.751764
13.
 
Pentax 645D Medium Format 39.5 7264 5440none24.612.6126282
14.
 
Sony RX10 III 1-inch 20.0 5472 36484K/30p23.112.647270
15.
 
Sony RX100 V 1-inch 20.0 5472 36484K/30p22.812.458670
16.
 
Sony RX10 II 1-inch 20.0 5472 36484K/30p23.012.653170
17.
 
Sony RX100 IV 1-inch 20.0 5472 36484K/30p22.812.659170

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, but the G3X provides a higher frame rate than the 645Z. It can shoot video footage at 1080/60p, while the Pentax is limited to 1080/60i.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the 645Z has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the G3X relies on live view and the rear LCD for framing. That said, the G3X can be equipped with an optional viewfinder – the EVF-DC1. The following table reports on some other key feature differences and similarities of the Canon G3 X, the Pentax 645Z, and comparable cameras.

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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)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Canon G3 Xoptional n 3.2 1620 tilting Y 1/2000s 5.9 Y Y
2.
 
Pentax 645Zoptical Y 3.2 1037 tilting n 1/4000s 3.0 n n
3.
 
Canon 80Doptical Y 3.0 1040 swivel Y 1/8000s 7.0 Y n
4.
 
Canon 5DSoptical Y 3.2 1040 fixed n 1/8000s 5.0 n n
5.
 
Canon 5DS Roptical Y 3.2 1040 fixed n 1/8000s 5.0 n n
6.
 
Canon G9 Xnone n 3.0 1040 fixed Y 1/2000s 6.0 Y Y
7.
 
Canon 7D IIoptical Y 3.0 1040 fixed n 1/8000s 10.0 Y n
8.
 
Canon 70Doptical Y 3.0 1040 swivel Y 1/8000s 7.0 Y n
9.
 
Hasselblad X1D2360 n 3.0 920 fixed Y 1/2000s 2.3 n n
10.
 
Leica SL4400 Y 3.0 1040 fixed Y 1/8000s 11.0 n n
11.
 
Nikon D7200optical Y 3.2 1229 fixed n 1/8000s 6.0 Y n
12.
 
Panasonic FZ10002359 n 3.0 921 swivel n 1/4000s 12.0 Y Y
13.
 
Pentax 645Doptical Y 3.0 921 fixed n 1/4000s 1.1 n n
14.
 
Sony RX10 III2359 Y 3.0 1229 tilting n 1/2000s 14.0 Y Y
15.
 
Sony RX100 V2359 n 3.0 1229 tilting n 1/2000s 24.0 Y Y
16.
 
Sony RX10 II2359 Y 3.0 1229 tilting n 1/3200s 14.0 Y Y
17.
 
Sony RX100 IV2359 n 3.0 1228 tilting n 1/2000s 16.0 Y Y

One difference between the cameras concerns the presence of an on-board flash. The G3X has one, while the 645Z does not. While the built-in flash of the G3X is not very powerful, it can at times be useful as a fill-in light.

The G3X has an articulated LCD that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in snapping selfies. In contrast, the 645Z does not have a selfie-screen.

The Pentax 645Z has an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

Concerning the storage of imaging data, both the G3X and the 645Z write their files to SDXC cards. The 645Z features dual card slots, which can be very useful in case a memory card fails. In contrast, the G3X 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 Canon PowerShot G3 X and Pentax 645Z and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
    Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Canon G3 XYstereomonoYYmini2.0YY-
2.
 
Pentax 645ZYstereomonoY-mini3.0---
3.
 
Canon 80DYstereomonoYYmini2.0YY-
4.
 
Canon 5DSYmonomonoY-mini3.0---
5.
 
Canon 5DS RYmonomonoY-mini3.0---
6.
 
Canon G9 X-stereomono--micro2.0YY-
7.
 
Canon 7D IIYstereomonoYYmini3.0---
8.
 
Canon 70DYstereomonoY-mini2.0Y--
9.
 
Hasselblad X1DYstereomonoYYmini3.0Y--
10.
 
Leica SLYstereomonoYYfull3.0Y--
11.
 
Nikon D7200YstereomonoYYmini2.0YY-
12.
 
Panasonic FZ1000YstereomonoY-micro2.0YY-
13.
 
Pentax 645DYstereo----2.0---
14.
 
Sony RX10 IIIYstereomonoYYmicro2.0YY-
15.
 
Sony RX100 V-stereomono--micro2.0YY-
16.
 
Sony RX10 IIYstereomonoYYmicro2.0YY-
17.
 
Sony RX100 IV-stereomono--micro2.0YY-

It is notable that the G3X offers wifi support, while the 645Z does not. Wifi can be a very convenient means to transfer image data to an off-camera location.

Studio photographers will appreciate that the Pentax 645Z (unlike the G3X) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the G3X and the 645Z are recent models that are part of the current product line-up. The 645Z replaced the earlier Pentax 645D, while the G3X does not have a direct predecessor. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon and Pentax websites.

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Review summary

So how do things add up? Is the Canon G3 X better than the Pentax 645Z or vice versa? The listing below highlights the relative strengths of the two models.

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Arguments in favor of the Canon PowerShot G3 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).
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • More detailed LCD: Has a higher resolution rear screen (1620k vs 1037k dots).
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (5.9 vs 3 flaps/sec) to capture the decisive moment.
  • Ready to shoot: Comes with a built-in lens, while the 645Z requires a separate lens.
  • More compact: Is smaller (123x77mm vs 156x117mm) and thus needs less room in the bag.
  • Less heavy: Is lighter even though it comes with a built-in lens (unlike the 645Z).
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • 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.
  • More affordable: Was introduced at a lower price, despite coming with a built-in lens.
  • More modern: Is somewhat more recent (announced 1 year and 2 months after the 645Z).

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Reasons to prefer the Pentax 645Z:

  • More detail: Has more megapixels (51.1 vs 20MP), which boosts linear resolution by 57%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better image quality: Scores substantially higher (38 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (4.6 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (2.4 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (3.1 stops ISO advantage).
  • Easier framing: Has an optical viewfinder for image composition and settings control.
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • Faster shutter: Has higher mechanical shutter speed (1/4000s vs 1/2000s) to freeze action.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • More flexible: Makes it possible to change lenses and thus to use specialty optics.
  • Longer lasting: Gets more shots (650 versus 300) out of a single battery charge.
  • Faster data transfer: Supports a more advanced USB protocol (3.0 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.
  • More heavily discounted: Has been on the market for longer (launched in April 2014).

If the count of individual advantages (bullet points above) is taken as a guide, the match-up finishes in a tie (16 points each). 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.

G3X 16:16 645Z

How about other alternatives? Do the specifications of the Canon G3 X and the Pentax 645Z place the cameras among the top in their class? Find out in the latest Best Superzoom Camera and Best DSLR Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it says little about, for example, the shooting experience and imaging performance of the G3X and the 645Z in practical situations. 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 expert reviews 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], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

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Expert Camera Reviews
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon G3 X3.5/5+..4.5/54/5 Jun 2015 999 i
2.
 
Pentax 645Z5/5....4.5/55/5 Apr 2014 8,499 i
3.
 
Canon 80D4/5+ +84/1004.5/54.5/5 Feb 2016 1,199i
4.
 
Canon 5DS..+83/1004.5/54.5/5 Feb 2015 3,699 i
5.
 
Canon 5DS R5/5+83/1005/54.5/5 Feb 2015 3,699 i
6.
 
Canon G9 X3.5/5+ +..4.5/54.5/5 Oct 2015 529i
7.
 
Canon 7D II4.5/5+84/1004/54.5/5 Sep 2014 1,799 i
8.
 
Canon 70D5/5+ +83/1004.5/55/5 Jul 2013 1,199i
9.
 
Hasselblad X1D..o81/100..4/5 Jun 2016 8,995i
10.
 
Leica SL4/5..84/1004.5/54/5 Oct 2015 7,450i
11.
 
Nikon D72004/5+ +84/1004.5/54.5/5 Mar 2015 1,199i
12.
 
Panasonic FZ10004/5+ +82/1004.5/54.5/5 Jun 2014 899i
13.
 
Pentax 645D5/5........ Mar 2010 9,995i
14.
 
Sony RX10 III5/5+84/1004.5/54.5/5 Mar 2016 1,499 i
15.
 
Sony RX100 V4.5/5+ +83/1004/54.5/5 Oct 2016 999 i
16.
 
Sony RX10 II5/5+ +82/1004.5/54/5 Jun 2015 1,299i
17.
 
Sony RX100 IV4.5/5+ +85/1004/54.5/5 Jun 2015 999i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, though. The ratings are only valid when referring to cameras in the same category and of the same age. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. Also, please note that some of the review sites have changed their methodology and reporting over time.

Canon G3 X:
Check Amazon price
Pentax 645Z:
Check Amazon price

Other camera comparisons

Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, just make your choice using the following search menu. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Canon G3 X vs Pentax 645Z

    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 Canon G3 X Pentax 645Z
    Camera Type Fixed lens compact camera Digital single lens reflex
    Camera Lens 24-600mm f/2.8-5.6 Pentax 645 mount lenses
    Launch Date June 2015 April 2014
    Launch Price USD 999 USD 8,499
    Sensor Specs Canon G3 X Pentax 645Z
    Sensor Technology BSI-CMOS CMOS
    Sensor Format 1" Sensor Medium Format Sensor
    Sensor Size 13.2 x 8.8 mm 43.8 x 32.8 mm
    Sensor Area 116.16 mm2 1436.64 mm2
    Sensor Diagonal 15.9 mm 54.7 mm
    Crop Factor 2.7x 0.79x
    Sensor Resolution 20 Megapixels 51.1 Megapixels
    Image Resolution 5472 x 3648 pixels 8256 x 6192 pixels
    Pixel Pitch 2.41 μm 5.30 μm
    Pixel Density 17.18 MP/cm2 3.56 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 1080/60p Video 1080/60i Video
    ISO Setting 125 - 12,800 ISO 100 - 204,800 ISO
    ISO Boost 125 - 25,600 ISO no Enhancement
    Image Processor DIGIC 6 PRIME III
    DXO Sensor Quality (score) 63 101
    DXO Color Depth (bits) 21.4 26.0
    DXO Dynamic Range (EV) 12.3 14.7
    DXO Low Light (ISO) 521 4505
    Screen Specs Canon G3 X Pentax 645Z
    Viewfinder Type Viewfinder optional Optical viewfinder
    Viewfinder Field of View 98%
    Viewfinder Magnification 0.78x
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.2inch 3.2inch
    LCD Resolution 1620k dots 1037k dots
    LCD Attachment Tilting screen Tilting screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Canon G3 X Pentax 645Z
    Focus System Contrast-detect AF Phase-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/2000s 1/4000s
    Continuous Shooting 5.9 shutter flaps/s 3 shutter flaps/s
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Fill Flash Build-in Flash no On-Board Flash
    Storage Medium SDXC cards SDXC cards
    Second Storage Option Single card slot Dual card slots
    UHS card support UHS-I UHS-I
    Connectivity Specs Canon G3 X Pentax 645Z
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 3.0
    HDMI Port mini HDMI mini HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket Headphone port no Headphone port
    Wifi Support Wifi built-in no Wifi
    Near-Field Communication NFC built-in no NFC
    Body Specs Canon G3 X Pentax 645Z
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type NB-10L D-LI90
    Battery Life (CIPA)300 shots per charge650 shots per charge
    Body Dimensions 123 x 77 x 105 mm
    (4.8 x 3.0 x 4.1 in)
    156 x 117 x 123 mm
    (6.1 x 4.6 x 4.8 in)
    Camera Weight 733 g (25.9 oz) 1550 g (54.7 oz)

    Did you notice an error on this page? If so, please get in touch, so that we can correct the information.

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