Canon G1 X Mark III vs T2i
The Canon PowerShot G1 X Mark III and the Canon EOS Rebel T2i (labelled Canon 550D in some countries) are two digital cameras that were officially introduced, respectively, in October 2017 and February 2010. The G1X Mark III is a fixed lens compact, while the T2i is a DSLR. Both cameras are equipped with an APS-C sensor. The G1X Mark III has a resolution of 24 megapixels, whereas the T2i provides 17.9 MP.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.
Going beyond this snapshot of core features and characteristics, what are the differences between the Canon PowerShot G1 X Mark III and the Canon EOS Rebel T2i? 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.
An illustration of the physical size and weight of the Canon G1 X Mark III and the Canon T2i is provided in the side-by-side display below. The two cameras are presented according to their relative size. 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 the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon T2i is notably larger (41 percent) than the Canon G1 X Mark III. It is worth mentioning in this context that the G1X Mark III is splash and dust resistant, while the T2i does not feature any corresponding weather-sealing.
The above size and weight comparisons are to some extent incomplete and possibly misleading, as the G1X Mark III has a lens built in, whereas the T2i is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup. You can compare the optics available for the T2i and their specifications in the Canon EF Lens Catalog.
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.
|1.||Canon G1 X Mark III||115 mm||78 mm||51 mm||399 g||200||Y||Oct 2017||1,299|
|2.||Canon T2i||129 mm||98 mm||62 mm||530 g||440||n||Feb 2010||699|
|3.||Canon 6D Mark II||144 mm||111 mm||75 mm||765 g||1200||Y||Jun 2017||1,999|
|4.||Canon 80D||139 mm||105 mm||79 mm||730 g||960||Y||Feb 2016||1,199|
|5.||Canon SX540||120 mm||82 mm||92 mm||442 g||205||n||Jan 2016||399|
|6.||Canon T6s||132 mm||101 mm||78 mm||565 g||440||n||Feb 2015||649|
|7.||Canon T5i||133 mm||100 mm||79 mm||580 g||440||n||Mar 2013||649|
|8.||Canon T4i||133 mm||100 mm||79 mm||575 g||440||n||Jun 2012||849|
|9.||Canon T3i||133 mm||100 mm||80 mm||570 g||440||n||Feb 2011||599|
|10.||Canon T1i||129 mm||98 mm||62 mm||520 g||400||n||Mar 2009||799|
|11.||Fujifilm X100V||128 mm||75 mm||53 mm||478 g||420||Y||Feb 2020||1,399|
|12.||Fujifilm X-T3||133 mm||93 mm||59 mm||539 g||390||Y||Sep 2018||1,499|
|13.||Fujifilm X100F||127 mm||75 mm||52 mm||469 g||390||n||Jan 2017||1,299|
|14.||Nikon D7500||136 mm||104 mm||73 mm||720 g||950||Y||Apr 2017||1,299|
|15.||Sony A6300||120 mm||67 mm||49 mm||404 g||400||Y||Feb 2016||999|
|16.||Sony A6500||120 mm||67 mm||53 mm||453 g||350||Y||Oct 2016||1,399|
|17.||Sony RX10 III||133 mm||94 mm||127 mm||1051 g||420||Y||Mar 2016||1,499|
|Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.|
The price is, of course, an important factor in any camera decision. 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. 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.
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 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. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better isolate a subject from the 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 and have a format factor (sometimes also referred to as "crop factor") of 1.5. Within the spectrum of camera sensors, this places the review cameras among the medium-sized sensor cameras that aim to strike a balance between image quality and portability. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.
In terms of chip-set technology, the G1X Mark III uses a more advanced image processing engine (DIGIC 7) than the T2i (DIGIC 4), with benefits for noise reduction, color accuracy, and processing speed.
While the two cameras under review share the same sensor size, the G1X Mark III offers a higher resolution of 24 megapixels, compared with 17.9 MP of the T2i. This megapixels advantage translates into a 16 percent gain in linear resolution. On the other hand, these sensor specs imply that the G1X Mark III has a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.72μm versus 4.31μm for the T2i). In this context, it should be noted, however, that the G1X Mark III is much more recent (by 7 years and 8 months) than the T2i, and its sensor will have benefitted from technological advances during this time that compensate for the smaller pixel size.
The resolution advantage of the Canon G1 X Mark III implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the G1X Mark III for good quality output (200 dots per inch) amounts to 30 x 20 inches or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inches or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inches or 50.8 x 33.9 cm. The corresponding values for the Canon T2i are 25.9 x 17.3 inches or 65.8 x 43.9 cm for good quality, 20.7 x 13.8 inches or 52.7 x 35.1 cm for very good quality, and 17.3 x 11.5 inches or 43.9 x 29.3 cm for excellent quality prints.
The G1X Mark III has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.
The Canon PowerShot G1 X Mark III has a native sensitivity range from ISO 100 to ISO 25600. The corresponding ISO settings for the Canon EOS Rebel T2i are ISO 100 to ISO 6400, with the possibility to increase the ISO range to 100-12800.
Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.
|1.||Canon G1 X Mark III||APS-C||24.0||6000||4000||1080/60p||23.8||13.2||1649||81|
|3.||Canon 6D Mark II||Full Frame||26.0||6240||4160||1080/60p||24.4||11.9||2862||85|
|17.||Sony RX10 III||1-inch||20.0||5472||3648||4K/30p||23.1||12.6||472||70|
|Note: DXO values in italics represent estimates based on sensor size and age.|
Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the G1X Mark III provides a higher frame rate than the T2i. It can shoot video footage at 1080/60p, while the T2i is limited to 1080/30p.
Beyond body and sensor, cameras can and do differ across a range of features. For example, the G1X Mark III has an electronic viewfinder (2360k dots), while the T2i 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 adjacent table lists some of the other core features of the Canon G1 X Mark III and Canon T2i along with similar information for a selection of comparators.
|1.||Canon G1 X Mark III||2360||n||3.0 / 1040||swivel||Y||1/2000s||9.0||Y||Y|
|2.||Canon T2i||optical||n||3.0 / 1040||fixed||n||1/4000s||3.7||Y||n|
|3.||Canon 6D Mark II||optical||Y||3.0 / 1040||swivel||Y||1/4000s||6.5||n||n|
|4.||Canon 80D||optical||Y||3.0 / 1040||swivel||Y||1/8000s||7.0||Y||n|
|5.||Canon SX540||none||n||3.0 / 461||fixed||n||1/2000s||5.9||Y||Y|
|6.||Canon T6s||optical||Y||3.0 / 1040||swivel||Y||1/4000s||5.0||Y||n|
|7.||Canon T5i||optical||n||3.0 / 1040||swivel||Y||1/4000s||5.0||Y||n|
|8.||Canon T4i||optical||n||3.0 / 1040||swivel||Y||1/4000s||5.0||Y||n|
|9.||Canon T3i||optical||n||3.0 / 1040||swivel||n||1/4000s||3.7||Y||n|
|10.||Canon T1i||optical||n||3.0 / 920||fixed||n||1/4000s||3.4||Y||n|
|11.||Fujifilm X100V||3690||n||3.0 / 1620||tilting||Y||1/4000s||11.0||Y||n|
|12.||Fujifilm X-T3||3690||n||3.0 / 1040||tilting||Y||1/8000s||11.0||n||n|
|13.||Fujifilm X100F||2360||n||3.0 / 1040||fixed||n||1/4000s||8.0||Y||n|
|14.||Nikon D7500||optical||Y||3.2 / 922||tilting||Y||1/8000s||8.0||Y||n|
|15.||Sony A6300||2359||n||3.0 / 922||tilting||n||1/4000s||11.0||Y||n|
|16.||Sony A6500||2359||n||3.0 / 922||tilting||Y||1/4000s||11.0||Y||Y|
|17.||Sony RX10 III||2359||Y||3.0 / 1229||tilting||n||1/2000s||14.0||Y||Y|
One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The G1X Mark III has a touchscreen, while the T2i has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.The G1X Mark III 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 T2i does not have a selfie-screen.
The Canon G1 X Mark III 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 G1X Mark III and the T2i write their files to SDXC cards. The G1X Mark III supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the T2i cannot take advantage of Ultra High Speed SD cards.
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 G1 X Mark III and Canon EOS Rebel T2i and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
Mic / Speaker
|1.||Canon G1 X Mark III||Y||stereo / mono||-||-||micro||2.0||Y||Y||Y|
|2.||Canon T2i||Y||stereo / -||Y||-||mini||2.0||-||-||-|
|3.||Canon 6D Mark II||Y||stereo / mono||Y||-||mini||2.0||Y||Y||Y|
|4.||Canon 80D||Y||stereo / mono||Y||Y||mini||2.0||Y||Y||-|
|5.||Canon SX540||-||stereo / mono||-||-||mini||2.0||Y||Y||-|
|6.||Canon T6s||Y||stereo / mono||Y||-||mini||2.0||Y||Y||-|
|7.||Canon T5i||Y||stereo / mono||Y||-||mini||2.0||-||-||-|
|8.||Canon T4i||Y||stereo / mono||Y||-||mini||2.0||-||-||-|
|9.||Canon T3i||Y||mono / mono||Y||-||mini||2.0||-||-||-|
|10.||Canon T1i||Y||mono / mono||-||-||mini||2.0||-||-||-|
|11.||Fujifilm X100V||Y||stereo / mono||Y||-||micro||3.1||Y||-||Y|
|12.||Fujifilm X-T3||Y||stereo / mono||Y||Y||micro||3.1||Y||-||Y|
|13.||Fujifilm X100F||Y||stereo / mono||Y||-||micro||2.0||Y||-||-|
|14.||Nikon D7500||Y||stereo / mono||Y||Y||mini||2.0||Y||-||Y|
|15.||Sony A6300||Y||stereo / mono||Y||-||micro||2.0||Y||Y||-|
|16.||Sony A6500||Y||stereo / mono||Y||-||micro||2.0||Y||Y||-|
|17.||Sony RX10 III||Y||stereo / mono||Y||Y||micro||2.0||Y||Y||-|
It is notable that the G1X Mark III offers wifi support, while the T2i does not. Wifi can be a very convenient means to transfer image data to an off-camera location.
The G1X Mark III is a recent model that features in the current product line-up of Canon. In contrast, the T2i has been discontinued (but can be found pre-owned on eBay). As a replacement in the same line of cameras, the T2i was succeeded by the Canon T3i. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon website.
So what is the bottom line? Is the Canon G1 X Mark III better than the Canon T2i or vice versa? Below is a summary of the relative strengths of each of the two contestants.
Advantages of the Canon PowerShot G1 X Mark III:
- More detail: Offers more megapixels (24 vs 17.9MP) with a 16% higher linear resolution.
- Better jpgs: Has a more modern image processing engine (DIGIC 7 vs DIGIC 4).
- Better video: Provides higher movie framerates (1080/60p versus 1080/30p).
- Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
- More framing info: Has an electronic viewfinder that displays shooting data.
- More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
- 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 (9 vs 3.7 flaps/sec) to capture the decisive moment.
- Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
- Ready to shoot: Comes with a built-in lens, while the T2i requires a separate lens.
- More compact: Is smaller (115x78mm vs 129x98mm) and thus needs less room in the bag.
- Less heavy: Is lighter even though it comes with a built-in lens (unlike the T2i).
- Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
- Sharper images: Has hand-shake reducing image stabilization built-in.
- 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.
- Easier wireless transfer: Supports Bluetooth for image sharing without cables.
- Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
- More modern: Reflects 7 years and 8 months of technical progress since the T2i launch.
Arguments in favor of the Canon EOS Rebel T2i:
- Better sound: Can connect to an external microphone for higher quality sound recording.
- Brighter framing: Features an optical viewfinder for clear, lag-free composition.
- Faster shutter: Has higher mechanical shutter speed (1/4000s vs 1/2000s) to freeze action.
- More flexible: Makes it possible to change lenses and thus to use specialty optics.
- Longer lasting: Gets more shots (440 versus 200) out of a single battery charge.
- More heavily discounted: Has been around for much longer (launched in February 2010).
If the count of individual advantages (bullet points above) is taken as a guide, the G1X Mark III is the clear winner of the match-up (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. 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.
How about other alternatives? Do the specifications of the Canon G1 X Mark III and the Canon T2i place the cameras among the top in their class? Find out in the latest Best Travel-Zoom Camera and Best DSLR Camera listings whether the two cameras rank among the cream of the crop.
In any case, while the specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it says little about, for example, the shooting experience and imaging performance of the G1X Mark III and the T2i 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.
This is why hands-on reviews by experts are important. The table below provides a synthesis of the camera assessments of some of the best known photo-gear 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.
|1.||Canon G1 X Mark III||5/5||+||4/5||79/100||4.5/5||4.5/5||Oct 2017||1,299|
|2.||Canon T2i||..||+ +||..||77/100||4/5||4.5/5||Feb 2010||699|
|3.||Canon 6D Mark II||4/5||+||4/5||80/100||4.5/5||4/5||Jun 2017||1,999|
|4.||Canon 80D||4/5||+ +||4.5/5||84/100||4.5/5||4.5/5||Feb 2016||1,199|
|5.||Canon SX540||..||..||..||..||..||..||Jan 2016||399|
|6.||Canon T6s||5/5||+||..||77/100||4.5/5||4.5/5||Feb 2015||649|
|7.||Canon T5i||..||..||..||76/100||4.5/5||4.5/5||Mar 2013||649|
|8.||Canon T4i||4/5||+ +||..||77/100||4.5/5||4.5/5||Jun 2012||849|
|9.||Canon T3i||3/5||o||..||77/100||4.5/5||4.5/5||Feb 2011||599|
|10.||Canon T1i||..||+ +||..||74/100||4.5/5||4.5/5||Mar 2009||799|
|11.||Fujifilm X100V||5/5||+ +||4.5/5||86/100||5/5||4.5/5||Feb 2020||1,399|
|12.||Fujifilm X-T3||5/5||+ +||4.5/5||88/100||5/5||5/5||Sep 2018||1,499|
|13.||Fujifilm X100F||5/5||+||3.9/5||83/100||4.5/5||4.5/5||Jan 2017||1,299|
|14.||Nikon D7500||4.5/5||+ +||4.5/5||86/100||5/5||4.5/5||Apr 2017||1,299|
|15.||Sony A6300||4.5/5||+||..||85/100||5/5||5/5||Feb 2016||999|
|16.||Sony A6500||5/5||+ +||3.5/5||85/100||4.5/5||4.5/5||Oct 2016||1,399|
|17.||Sony RX10 III||5/5||+||..||84/100||4.5/5||4.5/5||Mar 2016||1,499|
|Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.|
Care should be taken when interpreting the review scores above, though. The assessments were made in relation to similar cameras of the same technological generation. Thus, a score needs to be put into the context of the launch date and the launch price 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. It should also be noted that some of the review sites have over time altered the way they render their verdicts.
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. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.
- Canon G1 X Mark II vs Canon T2i
- Canon G1 X Mark III vs Canon R6
- Canon G1 X Mark III vs Canon SX710
- Canon G1 X Mark III vs Fujifilm GFX 50R
- Canon G1 X Mark III vs Nikon D850
- Canon G1 X Mark III vs Olympus E-PL1
- Canon G1 X Mark III vs Sony A68
- Canon T2i vs Nikon A1000
- Canon T2i vs Nikon D1X
- Canon T2i vs Panasonic FZ1000
- Canon T2i vs Panasonic FZ1000 II
- Canon T2i vs Sony A5100
Specifications: Canon G1 X Mark III vs Canon T2i
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 Model||Canon G1 X Mark III||Canon T2i|
|Camera Type||Fixed lens compact camera||Digital single lens reflex|
|Camera Lens||24-72mm f/2.8-5.6||Canon EF mount lenses|
|Launch Date||October 2017||February 2010|
|Launch Price||USD 1,299||USD 699|
|Sensor Specs||Canon G1 X Mark III||Canon T2i|
|Sensor Format||APS-C Sensor||APS-C Sensor|
|Sensor Size||22.3 x 14.9 mm||22.3 x 14.9 mm|
|Sensor Area||332.27 mm2||332.27 mm2|
|Sensor Diagonal||26.8 mm||26.8 mm|
|Sensor Resolution||24 Megapixels||17.9 Megapixels|
|Image Resolution||6000 x 4000 pixels||5184 x 3456 pixels|
|Pixel Pitch||3.72 μm||4.31 μm|
|Pixel Density||7.22 MP/cm2||5.39 MP/cm2|
|Moiré control||Anti-Alias filter||Anti-Alias filter|
|Movie Capability||1080/60p Video||1080/30p Video|
|ISO Setting||100 - 25,600 ISO||100 - 6,400 ISO|
|ISO Boost||no Enhancement||100 - 12,800 ISO|
|Image Processor||DIGIC 7||DIGIC 4|
|DXO Sensor Quality (score)||..||66|
|DXO Color Depth (bits)||..||22.1|
|DXO Dynamic Range (EV)||..||11.5|
|DXO Low Light (ISO)||..||784|
|Screen Specs||Canon G1 X Mark III||Canon T2i|
|Viewfinder Type||Electronic viewfinder||Optical viewfinder|
|Viewfinder Field of View||100%||95%|
|Viewfinder Resolution||2360k dots|
|LCD Framing||Live View||Live View|
|Rear LCD Size||3.0inch||3.0inch|
|LCD Resolution||1040k dots||1040k dots|
|LCD Attachment||Swivel screen||Fixed screen|
|Touch Input||Touchscreen||no Touchscreen|
|Shooting Specs||Canon G1 X Mark III||Canon T2i|
|Focus System||On-Sensor Phase-detect||Phase-detect AF|
|Manual Focusing Aid||Focus Peaking||no Peaking Feature|
|Continuous Shooting||9 shutter flaps/s||3.7 shutter flaps/s|
|Time-Lapse Photography||Intervalometer built-in||no Intervalometer|
|Fill Flash||Built-in Flash||Built-in Flash|
|Storage Medium||SDXC cards||SDXC cards|
|Second Storage Option||Single card slot||Single card slot|
|UHS card support||UHS-I||no|
|Connectivity Specs||Canon G1 X Mark III||Canon T2i|
|USB Connector||USB 2.0||USB 2.0|
|HDMI Port||micro HDMI||mini HDMI|
|Microphone Port||no MIC socket||External MIC port|
|Wifi Support||Wifi built-in||no Wifi|
|Near-Field Communication||NFC built-in||no NFC|
|Bluetooth Support||Bluetooth built-in||no Bluetooth|
|Body Specs||Canon G1 X Mark III||Canon T2i|
|Environmental Sealing||Weathersealed body||not weather sealed|
|Battery Life (CIPA)||200 shots per charge||440 shots per charge|
115 x 78 x 51 mm
(4.5 x 3.1 x 2.0 in)
129 x 98 x 62 mm
(5.1 x 3.9 x 2.4 in)
|Camera Weight||399 g (14.1 oz)||530 g (18.7 oz)|
Did you notice an error on this page? If so, please get in touch, so that we can correct the information.