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Canon 10D versus Canon G3 X

The Canon EOS 10D and the Canon PowerShot G3 X are two digital cameras that were revealed to the public, respectively, in February 2003 and June 2015. The 10D is a DSLR, while the G3X is a fixed lens compact. The cameras are based on an APS-C (10D) and an one-inch (G3X) sensor. The 10D has a resolution of 6.3 megapixel, whereas the G3X provides 20 MP. 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: Canon 10D vs Canon G3 X

An illustration of the physical size and weight of the Canon 10D and the Canon G3 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 measures are rounded to the nearest millimeter. You can also use the toggle button to switch to a percentage comparison if you prefer that the measures are being expressed in relative terms (in this case, the camera on the left side – the 10D – represents the basis for the calculations across all the size and weight measures).

Compare Canon 10D vs Canon G3 X
Compare 10D versus G3X top
Compare 10D and G3X rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon G3 X is considerably smaller (41 percent) than the Canon 10D. It is noteworthy in this context that the G3X is splash and dust-proof, while the 10D does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the G3X has a lens build in, whereas the 10D is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup. You can find an overview of optics for the 10D and their specifications in the Canon EF Lens Catalog.

Concerning battery life, the 10D gets 500 shots out of its BP-511 battery, while the G3X can take 300 images on a single charge of its NB-10L power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. In case you want to display and compare another camera duo, just click on the right or left arrow next to the camera that you would like to inspect. Alternatively, you can also use the CAM-parator to select your camera combination among a larger number of options.

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
Canon 10D» 5.9 in 4.2 in 3.0 in 30.0 oz 500 n Feb 2003 1,999- i Canon 10D
Canon G3 X« 4.8 in 3.0 in 4.1 in 25.9 oz 300 Y Jun 2015 999 i i Canon G3 X
Canon 80D« » 5.5 in 4.1 in 3.1 in 25.8 oz 960 Y Feb 2016 1,199 i i Canon 80D
Canon G9 X« » 3.9 in 2.3 in 1.2 in 7.4 oz 220 n Oct 2015 529- i Canon G9 X
Canon G7 X« » 4.1 in 2.4 in 1.6 in 10.7 oz 210 n Sep 2014 699- i Canon G7 X
Canon T5« » 5.1 in 3.9 in 3.1 in 16.9 oz 500 n Feb 2014 449- i Canon T5
Canon 70D« » 5.5 in 4.1 in 3.1 in 26.6 oz 920 Y Jul 2013 1,199- i Canon 70D
Canon SL1« » 4.6 in 3.6 in 2.7 in 14.4 oz 380 n Mar 2013 549- i Canon SL1
Canon T4i« » 5.2 in 3.9 in 3.1 in 20.3 oz 440 n Jun 2012 849- i Canon T4i
Canon 7D« » 5.8 in 4.4 in 2.9 in 30.3 oz 800 Y Sep 2009 1,699- i Canon 7D
Canon 40D« » 5.7 in 4.3 in 2.9 in 29.0 oz 750 n Aug 2007 1,299- i Canon 40D
Canon 30D« » 5.7 in 4.2 in 2.9 in 27.7 oz 750 n Feb 2006 1,399- i Canon 30D
Canon 20D« » 5.7 in 4.2 in 2.8 in 27.2 oz 700 n Aug 2004 1,499- i Canon 20D
Canon Rebel« » 5.6 in 3.9 in 2.8 in 22.9 oz 400 n Aug 2003 899- i Canon Rebel
Canon D60« » 5.9 in 4.2 in 3.0 in 30.2 oz 620 n Feb 2002 2,999- i Canon D60
Nikon D100« » 5.7 in 4.6 in 3.2 in 27.5 oz 370 n Feb 2002 1,999- i Nikon D100
Panasonic FZ1000« » 5.4 in 3.9 in 5.2 in 29.3 oz 360 n Jun 2014 899- i Panasonic FZ1000

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. The G3X was launched at a lower price than the 10D, despite having a lens build 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: Canon 10D vs Canon G3 X

The size of the sensor inside a digital camera is one of the key determinants of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units in a sensor of the same technological generation. 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 10D features an APS-C sensor and the Canon G3 X an one-inch sensor. The sensor area in the G3X is 66 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.6 and 2.7. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Technology-wise, the G3X uses a more advanced image processing engine (DIGIC 6) than the 10D (DIGIC), with benefits for noise reduction, color accuracy, and processing speed.

Canon 10D and Canon G3 X sensor measures

Despite having a smaller sensor, the G3X offers a higher resolution of 20 megapixel, compared with 6.3 MP of the 10D. This megapixel advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 2.41μm versus 7.38μm for the 10D). However, it should be noted that the G3X is much more recent (by 12 years and 3 months) than the 10D, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently.

10D versus G3X 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"). Of the two cameras under consideration, the G3X has a markedly higher DXO score than the 10D (overall score 6 points higher), which will translate into better image quality. The advantage is based on 0.3 bits higher color depth, 1.4 EV in additional dynamic range, 0.1 stops of reduced low light sensitivity. The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
Canon 10D» APS-C 6.3 3072 2048-21.110.957157Canon 10D
Canon G3 X« 1-inch 20.0 5472 36481080/60p21.412.352163Canon G3 X
Canon 80D« » APS-C 24.0 6000 40001080/60p23.613.2113579Canon 80D
Canon G9 X« » 1-inch 20.0 5472 36481080/60p21.512.349563Canon G9 X
Canon G7 X« » 1-inch 20.0 5472 36481080/60p23.012.755671Canon G7 X
Canon T5« » APS-C 17.9 5184 34561080/30p21.911.372463Canon T5
Canon 70D« » APS-C 20.0 5472 36481080/30p22.511.692668Canon 70D
Canon SL1« » APS-C 17.9 5184 34561080/30p21.811.384363Canon SL1
Canon T4i« » APS-C 17.9 5184 34561080/30p21.711.272262Canon T4i
Canon 7D« » APS-C 17.9 5184 34561080/30p22.011.785466Canon 7D
Canon 40D« » APS-C 10.1 3888 2592-22.111.370364Canon 40D
Canon 30D« » APS-C 8.2 3504 2336-21.510.873659Canon 30D
Canon 20D« » APS-C 8.2 3504 2336-21.911.072162Canon 20D
Canon Rebel« » APS-C 6.3 3072 2048-21.010.854455Canon Rebel
Canon D60« » APS-C 6.3 3072 2048-----Canon D60
Nikon D100« » APS-C 6.0 3008 2000-----Nikon D100
Panasonic FZ1000« » 1-inch 20.0 5472 36484K/30p22.111.751764Panasonic FZ1000

Many modern cameras cannot only take still pictures, but also record videos. The G3X indeed provides for movie recording, while the 10D does not. The highest resolution format that the G3X can use is 1080/60p.

 

Feature comparison: Canon 10D vs Canon G3 X

Apart from body and sensor, cameras can and do differ across a range of features. For example, the 10D 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 table below summarizes some of the other core capabilities of the Canon 10D and Canon G3 X in connection with corresponding information for a sample of similar cameras. If needed, the dpreview camera hub, for example, contains further detail on the cameras' specs.

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
Canon 10D»optical Y 1.8 118 fixed n 4000 3.0 Y n Canon 10D
Canon G3 X«- n 3.2 1620 tilting Y 2000 5.9 Y Y Canon G3 X
Canon 80D« »optical Y 3.0 1040 swivel Y 8000 7.0 Y n Canon 80D
Canon G9 X« »- n 3.0 1040 fixed Y 2000 6.0 Y Y Canon G9 X
Canon G7 X« »- n 3.0 1040 tilting Y 2000 6.5 Y Y Canon G7 X
Canon T5« »optical n 3.0 460 fixed n 4000 3.0 Y n Canon T5
Canon 70D« »optical Y 3.0 1040 swivel Y 8000 7.0 Y n Canon 70D
Canon SL1« »optical n 3.0 1040 fixed Y 4000 4.9 Y n Canon SL1
Canon T4i« »optical n 3.0 1040 swivel Y 4000 5.0 Y n Canon T4i
Canon 7D« »optical Y 3.0 920 fixed n 8000 8.0 Y n Canon 7D
Canon 40D« »optical Y 3.0 230 fixed n 8000 6.5 Y n Canon 40D
Canon 30D« »optical Y 2.5 230 fixed n 8000 5.0 Y n Canon 30D
Canon 20D« »optical Y 1.8 118 fixed n 8000 5.0 Y n Canon 20D
Canon Rebel« »optical n 1.8 118 fixed n 4000 2.5 Y n Canon Rebel
Canon D60« »optical Y 1.8 114 fixed n 4000 3.0 Y n Canon D60
Nikon D100« »optical Y 1.8 118 fixed n 4000 3.0 Y n Nikon D100
Panasonic FZ1000« »2359 n 3.0 921 swivel n 4000 12.0 Y Y Panasonic FZ1000

One feature that is present on the 10D, but is missing on the G3X 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 10D writes its imaging data to Compact Flash cards, while the G3X uses SDXC cards.

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
Canon 10D»Y-----1.1---Canon 10D
Canon G3 X«YstereomonoYYmini2.0YY-Canon G3 X
Canon 80D« »YstereomonoYYmini2.0YY-Canon 80D
Canon G9 X« »-stereomono--micro2.0YY-Canon G9 X
Canon G7 X« »-stereomono--micro2.0YY-Canon G7 X
Canon T5« »Ymonomono--mini2.0---Canon T5
Canon 70D« »YstereomonoY-mini2.0Y--Canon 70D
Canon SL1« »YmonomonoY-mini2.0---Canon SL1
Canon T4i« »YstereomonoY-mini2.0---Canon T4i
Canon 7D« »Ymono-Y-mini2.0---Canon 7D
Canon 40D« »Y-----2.0---Canon 40D
Canon 30D« »Y-----2.0---Canon 30D
Canon 20D« »Y-----1.1---Canon 20D
Canon Rebel« »Y-----1.1---Canon Rebel
Canon D60« »Y-----1.1---Canon D60
Nikon D100« »Y-----1.1---Nikon D100
Panasonic FZ1000« »YstereomonoY-micro2.0YY-Panasonic FZ1000

The G3X is a recent model that features in the current product line-up of Canon. In contrast, the 10D has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the 10D was succeeded by the Canon 20D.

Review summary: Canon 10D vs Canon G3 X

So what is the bottom line? Which of the two cameras – the Canon 10D or the Canon G3 X – has the upper hand? The listing below highlights the relative strengths of the two models.


Advantages of the Canon EOS 10D:

  • Easier framing: Has an optical viewfinder for image framing and settings control.
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • Faster shutter: Has higher mechanical shutter speed (4000/sec vs 2000/sec) to freeze action.
  • More flexible: Can take a variety of interchangeable lenses, including specialty optics.
  • Longer lasting: Can take more shots (500 versus 300) on a single battery charge.
  • More heavily discounted: Has been available for much longer (launched in February 2003).


Arguments in favor of the Canon PowerShot G3 X:

  • More detail: Has more megapixels (20 vs 6.3MP), which boosts linear resolution by 78%.
  • Better image quality: Scores markedly higher (6 points) in the DXO overall evaluation.
  • More dynamic range: Captures a broader range of light and dark details (1.4 EV of extra DR).
  • Better jpgs: Has a more modern image processing engine (DIGIC 6 vs DIGIC).
  • Broader imaging potential: Can capture not only stills but also 1080/60p video.
  • Larger screen: Has a bigger rear LCD (3.2" vs 1.8") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1620k vs 118k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster burst: Shoots at higher frequency (5.9 vs 3 flaps/sec) to capture the decisive moment.
  • Ready to shoot: Comes with an integrated lens, while the 10D requires a separate lens.
  • More compact: Is smaller (123x77mm vs 150x107mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight even though it has a lens build in (unlike the 10D).
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Sharper images: Has stabilization technology build-in to reduce the impact of hand-shake.
  • Faster data transfer: Supports a more advanced USB protocol (2.0 vs 1.1).
  • Easier file upload: Has wifi build 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 build-in lens.
  • More modern: Reflects 12 years and 3 months of technical progress since the 10D launch.

If the number of relative strengths (bullet points above) is taken as a guide, the G3X is the clear winner of the contest (20 : 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.

10D 06:20 G3X

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains partial and cannot reveal, for example, the handling experience and imaging performance when actually working with the 10D or the G3X. 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 where reviews by experts come in. The adjacent table relays the overall verdicts of several of the most popular camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, photographyblog). The full reviews are available 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
Canon 10D»-HiRec-rev- Feb 2003 1,999- i Canon 10D
Canon G3 X«Rec-4.5/53.5/54/5 Jun 2015 999 i i Canon G3 X
Canon 80D« »HiRec84/1004.5/54.5/54.5/5 Feb 2016 1,199 i i Canon 80D
Canon G9 X« »HiRec-4.5/54/54.5/5 Oct 2015 529- i Canon G9 X
Canon G7 X« »HiRec77/1004.5/53.5/54.5/5 Sep 2014 699- i Canon G7 X
Canon T5« »Rec-4/54/54.5/5 Feb 2014 449- i Canon T5
Canon 70D« »HiRec83/1004.5/54.5/55/5 Jul 2013 1,199- i Canon 70D
Canon SL1« »Rec78/1004/54/54/5 Mar 2013 549- i Canon SL1
Canon T4i« »HiRec77/1004.5/54.5/54.5/5 Jun 2012 849- i Canon T4i
Canon 7D« »HiRec84/1004.5/55/54.5/5 Sep 2009 1,699- i Canon 7D
Canon 40D« »HiRecHiRec4.5/5rev4.5/5 Aug 2007 1,299- i Canon 40D
Canon 30D« »HiRecHiRecrevrev- Feb 2006 1,399- i Canon 30D
Canon 20D« »-HiRec-rev- Aug 2004 1,499- i Canon 20D
Canon Rebel« »-HiRec-rev- Aug 2003 899- i Canon Rebel
Canon D60« »-HiRecrev-- Feb 2002 2,999- i Canon D60
Nikon D100« »-HiRecrevrev- Feb 2002 1,999- i Nikon D100
Panasonic FZ1000« »HiRec82/1004.5/54.5/54.5/5 Jun 2014 899- i Panasonic FZ1000

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. 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. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting. If the camera you are interested in is not available, please send me an email, and I will try to locate and add the respective data to the application.

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