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Canon 300D versus Canon 100D

The Canon EOS 300D (called Canon Rebel in some regions) and the Canon EOS 100D (labelled Canon SL1 in some countries) are two digital cameras that were announced, respectively, in August 2003 and March 2013. Both are DSLR (Digital Single Lens Reflex) cameras that are equipped with an APS-C sensor. The 300D has a resolution of 6.3 megapixel, whereas the 100D provides 17.9 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 300D vs Canon 100D

The physical size and weight of the Canon 300D and the Canon 100D are illustrated in the side-by-side display below. Three successive views from the front, the top, and the rear are shown. All width, height and depth dimensions are rounded to the nearest millimeter. If you prefer, you can also use the toggle button to switch to a comparison in percentage terms (in this case, the camera on the left side – the 300D – represents the basis for the calculations across all the size and weight measures).

Compare Canon 300D vs Canon 100D
300D versus 100D top view
300D and 100D rear side

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon 100D is notably smaller (24 percent) than the Canon 300D. Moreover, the 100D is substantially lighter (37 percent) than the 300D. In this context, it is worth noting that neither the 300D nor the 100D are weather-sealed.

The above size and weight comparisons are to some extent incomplete since they do not consider the interchangeable lenses that both of these cameras require. In this particular case, both cameras feature the same lens mount, so that they can use the same lenses. You can find an overview of suitable optics in the Canon EF Lens Catalog.

Concerning battery life, the 300D gets 400 shots out of its BP-511 battery, while the 100D can take 380 images on a single charge of its LP-E12 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, just select a new right or left comparator from among the camera models in the table. Alternatively, you can also move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

Camera Body Specifications
Camera Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(y/n)
Camera
Launch
(year)
Launch
Price
(USD)
Street
Price
(amazon)
Used
Price
(ebay)
Canon 300D (⇒ rgt) 5.6 in 3.9 in 2.8 in 22.9 oz 400 no 2003 899discont. check
Canon 100D (⇒ lft) 4.6 in 3.6 in 2.7 in 14.4 oz 380 no 2013 549discont. check
Canon 200D (⇒ lft | rgt) 4.8 in 3.7 in 2.8 in 16.0 oz 650 no 2017 549 latest check
Canon 77D (⇒ lft | rgt) 5.2 in 3.9 in 3.0 in 19.0 oz 600 no 2017 899 latest check
Canon 1200D (⇒ lft | rgt) 5.1 in 3.9 in 3.1 in 16.9 oz 500 no 2014 449discont. check
Canon G1 X Mark II (⇒ lft | rgt) 4.6 in 2.9 in 2.6 in 19.5 oz 240 no 2014 799 latest check
Canon 700D (⇒ lft | rgt) 5.2 in 3.9 in 3.1 in 20.5 oz 440 no 2013 649discont. check
Canon G16 (⇒ lft | rgt) 4.3 in 3.0 in 1.6 in 12.6 oz 360 no 2013 549 latest check
Canon G1 X (⇒ lft | rgt) 4.6 in 3.2 in 2.6 in 18.8 oz 250 no 2012 799discont. check
Canon 650D (⇒ lft | rgt) 5.2 in 3.9 in 3.1 in 20.3 oz 440 no 2012 849discont. check
Canon 400D (⇒ lft | rgt) 5.0 in 3.3 in 2.6 in 19.6 oz 370 no 2006 799discont. check
Canon 350D (⇒ lft | rgt) 5.0 in 3.7 in 2.5 in 19.0 oz 400 no 2005 899discont. check
Canon 20D (⇒ lft | rgt) 5.7 in 4.2 in 2.8 in 27.2 oz 700 no 2004 1,499discont. check
Canon 10D (⇒ lft | rgt) 5.9 in 4.2 in 3.0 in 30.0 oz 500 no 2003 1,999discont. check
Nikon D70 (⇒ lft | rgt) 5.5 in 4.4 in 3.1 in 24.0 oz 400 no 2004 999discont. check
Panasonic G6 (⇒ lft | rgt) 4.8 in 3.3 in 2.8 in 13.8 oz 340 no 2013 599discont. check

The price is, of course, an important factor in any camera decision. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The 100D was launched at a markedly lower price (by 39 percent) than the 300D, which puts it into a different market segment. 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 300D vs Canon 100D

The imaging sensor is at the core of digital cameras and its size is one of the main determining factors 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. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its background. On the downside, larger sensors tend to be associated with larger, more expensive camera bodies and lenses.

Both cameras under consideration feature an APS-C sensor, but their sensors differ slightly in size. The sensor area in the 100D is 3 percent smaller. They nevertheless have the same format factor of 1.6. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Canon 300D and Canon 100D sensor measures

Despite having a slightly smaller sensor, the 100D offers a higher resolution of 17.9 megapixel, compared with 6.3 MP of the 300D. 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 4.31μm versus 7.38μm for the 300D). However, it should be noted that the 100D is much more recent (by 9 years and 7 months) than the 300D, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently.

300D versus 100D MP

For most 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 100D has a markedly higher DXO score than the 300D (overall score 8 points higher), which will translate into better image quality. The advantage is based on 0.8 bits higher color depth, 0.5 EV in additional dynamic range, and 0.6 stops in additional low light sensitivity. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

Sensor Characteristics
Camera Sensor
Class
Resolution
(Megapixel)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Canon 300D (⇒ rgt) APS-C 6.3 3072 2048 no 21.0 10.8 544 55
Canon 100D (⇒ lft) APS-C 17.9 5184 3456 1080/30p 21.8 11.3 843 63
Canon 200D (⇒ lft | rgt) APS-C 24.0 6000 4000 1080/60p 23.6 13.4 1041 79
Canon 77D (⇒ lft | rgt) APS-C 24.0 6000 4000 1080/60p 23.6 13.3 971 78
Canon 1200D (⇒ lft | rgt) APS-C 17.9 5184 3456 1080/30p 21.9 11.3 724 63
Canon G1 X Mark II (⇒ lft | rgt) 1.5-inch 13.0 4160 3120 1080/30p 21.5 10.8 581 58
Canon 700D (⇒ lft | rgt) APS-C 17.9 5184 3456 1080/30p 21.7 11.2 681 61
Canon G16 (⇒ lft | rgt) 1/1.7 12.0 4000 3000 1080/60p 21.0 11.7 230 54
Canon G1 X (⇒ lft | rgt) 1.5-inch 14.2 4352 3264 1080/24p 21.7 10.8 644 60
Canon 650D (⇒ lft | rgt) APS-C 17.9 5184 3456 1080/30p 21.7 11.2 722 62
Canon 400D (⇒ lft | rgt) APS-C 10.1 3888 2592 no 22.1 11.0 664 62
Canon 350D (⇒ lft | rgt) APS-C 8.0 3456 2304 no 21.8 10.8 637 60
Canon 20D (⇒ lft | rgt) APS-C 8.2 3504 2336 no 21.9 11.0 721 62
Canon 10D (⇒ lft | rgt) APS-C 6.3 3072 2048 no 21.1 10.9 571 57
Nikon D70 (⇒ lft | rgt) APS-C 6.0 3008 2000 no 20.4 10.3 529 50
Panasonic G6 (⇒ lft | rgt) Four Thirds 15.9 4608 3456 1080/60p 21.3 11.5 639 61

Many modern cameras cannot only take still pictures, but also record videos. The 100D indeed provides for movie recording, while the 300D does not. The highest resolution format that the 100D can use is 1080/30p.

Feature comparison: Canon 300D vs Canon 100D

Apart from body and sensor, cameras can and do differ across a variety of features. The 300D and the 100D are similar in the sense that both have an optical viewfinder. The latter is useful for getting a clear image for framing even in brightly lit environments. The following table reports on some other key feature differences and similarities of the Canon 300D, the Canon 100D, and comparable cameras. If needed, the dpreview camera hub, for example, contains further detail on the cameras' specs.

Core Features
Camera Viewfinder
(Type or
'000 dots)
Control
Panel
(Y/n)
LCD
Size
(inch)
LCD
Resolution
('000 dots)
LCD
Attach-
ment
Touch
Screen
(Y/n)
Shutter
speed
(1/sec)
Shutter
flaps
(1/sec))
Build-in
Flash
(GN)
Build-in
Image
Stab
Canon 300D (⇒ rgt) optical no 1.8 118 fixed no 4000 2.5 YES no
Canon 100D (⇒ lft) optical no 3.0 1040 fixed YES 4000 4.9 9.4 no
Canon 200D (⇒ lft | rgt) optical no 3.0 1040 swivel YES 4000 5.0 9.8 no
Canon 77D (⇒ lft | rgt) optical YES 3.0 1040 swivel YES 4000 6.0 12 no
Canon 1200D (⇒ lft | rgt) optical no 3.0 460 fixed no 4000 3.0 9.2 no
Canon G1 X Mark II (⇒ lft | rgt) no no 3.0 1040 tilting YES 4000 5.2 6.8 YES
Canon 700D (⇒ lft | rgt) optical no 3.0 1040 swivel YES 4000 5.0 13 no
Canon G16 (⇒ lft | rgt) optical no 3.0 922 fixed no 4000 2.2 7 YES
Canon G1 X (⇒ lft | rgt) optical no 3.0 922 Swivel no 4000 1.9 7 YES
Canon 650D (⇒ lft | rgt) optical no 3.0 1040 swivel YES 4000 5.0 YES no
Canon 400D (⇒ lft | rgt) optical no 2.5 230 fixed no 4000 3.0 YES no
Canon 350D (⇒ lft | rgt) optical no 1.8 115 fixed no 4000 3.0 YES no
Canon 20D (⇒ lft | rgt) optical YES 1.8 118 fixed no 8000 5.0 13 no
Canon 10D (⇒ lft | rgt) optical YES 1.8 118 fixed no 4000 3.0 13 no
Nikon D70 (⇒ lft | rgt) optical no 1.8 130 fixed no 8000 3.0 11 no
Panasonic G6 (⇒ lft | rgt) 1440 no 3.0 1036 swivel YES 4000 7.0 10.5 no

Both the 300D and the 100D have been discontinued, but can regularly be found used on eBay. The 300D was replaced by the Canon 350D, while the 100D was followed by the Canon 200D.

Review summary: Canon 300D vs Canon 100D

So what conclusions can be drawn? Which of the two cameras – the Canon 300D or the Canon 100D – has the upper hand? Below is a summary of the relative strengths of each of the two contestants.


Arguments in favor of the Canon EOS 300D:

  • More heavily discounted: Has been available for much longer (launched in August 2003).

Reasons to prefer the Canon EOS 100D:

  • More detail: Has more megapixels (17.9 vs 6.3MP), which boosts linear resolution by 69%.
  • Better image quality: Scores markedly higher (8 points) in the DXO overall evaluation.
  • Better low-light sensitivity: Can shoot in dim conditions (0.6 stops ISO advantage).
  • Broader imaging potential: Can capture not only stills but also 1080/30p video.
  • Larger screen: Has a bigger rear LCD (3.0" vs 1.8") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1040k vs 118k dots).
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster burst: Shoots at higher frequency (4.9 vs 2.5 flaps/sec) to capture the decisive moment.
  • More compact: Is smaller (117x91mm vs 142x99mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 242g or 37 percent) and is thus easier to take along.
  • More affordable: Was introduced into a lower priced category (39 percent cheaper at launch).
  • More modern: Reflects 9 years and 7 months of technical progress since the 300D launch.

If the count of relative strengths (bullet points above) is taken as a measure, the 100D is the clear winner of the contest (12 : 1 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.

300D 01:12 100D

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains incomplete and does no justice, for example, to the way the 300D or the 100D handle or 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. This is where reviews by experts come in. The following table reports the overall rankings of the cameras as published by some of the major camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, photographyblog). You can find the full text of the reviews by clicking on the site logo in the table header.

Review scores
Camera cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(year)
Launch
Price
(USD)
Street
Price
(amazon)
Used
Price
(ebay)
Canon 300D (⇒ rgt) - HiRec - reviewed - 2003 899discont. check
Canon 100D (⇒ lft) Rec 78/100 Gold 4/5 4/5 4/5 2013 549discont. check
Canon 200D (⇒ lft | rgt) HiRec 78/100 Silver 4.5/5 4.5/5 4.5/5 2017 549 latest check
Canon 77D (⇒ lft | rgt) .. 82/100 Silver 4.5/5 4.5/5 4/5 2017 899 latest check
Canon 1200D (⇒ lft | rgt) 4/5 - 4/5 4/5 4.5/5 2014 449discont. check
Canon G1 X Mark II (⇒ lft | rgt) Rec 77/100 Silver 4/5 4/5 4.5/5 2014 799 latest check
Canon 700D (⇒ lft | rgt) - 76/100 Silver 4.5/5 4.5/5 4.5/5 2013 649discont. check
Canon G16 (⇒ lft | rgt) Rec - 4.5/5 4.5/5 4.5/5 2013 549 latest check
Canon G1 X (⇒ lft | rgt) 79/100 Rec 76/100 Silver 4/5 4/5 4.5/5 2012 799discont. check
Canon 650D (⇒ lft | rgt) HiRec 77/100 Silver 4.5/5 4.5/5 4.5/5 2012 849discont. check
Canon 400D (⇒ lft | rgt) 85/100 HiRec HiRec reviewed 4.5/5 4/5 2006 799discont. check
Canon 350D (⇒ lft | rgt) 80/100 HiRec reviewed reviewed - 2005 899discont. check
Canon 20D (⇒ lft | rgt) - HiRec - reviewed - 2004 1,499discont. check
Canon 10D (⇒ lft | rgt) - HiRec - reviewed - 2003 1,999discont. check
Nikon D70 (⇒ lft | rgt) - HiRec - reviewed - 2004 999discont. check
Panasonic G6 (⇒ lft | rgt) HiRec - 5/5 - 4.5/5 2013 599discont. check

The above review scores should be interpreted 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 rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. 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? In case you would like to check on the differences and similarities of other camera models, just use the search menu below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting. If you do not see the camera that you are looking for, please contact me, and I will try to add information on that model to the database.

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