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Canon R7 vs T3i

The Canon EOS R7 and the Canon EOS Rebel T3i (labelled Canon 600D in some countries) are two digital cameras that were officially introduced, respectively, in May 2022 and February 2011. The R7 is a mirrorless interchangeable lens camera, while the T3i is a DSLR. Both cameras are equipped with an APS-C sensor. The R7 has a resolution of 32.3 megapixels, whereas the T3i provides 17.9 MP.

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

Headline Specifications
Canon R7
versus
Canon T3i
Canon R7   Canon T3i
Mirrorless system camera Digital single lens reflex
Canon EF mount lenses
32.3 MP – APS-C sensor 17.9 MP – APS-C sensor
4k/60p Video 1080/30p Video
ISO 100-32,000 (100 - 51,200) ISO 100-6,400 (100 - 12,800)
Electronic viewfinder (2360k dots) Optical viewfinder
3.0" LCD – 1620k dots 3.0" LCD – 1040k dots
Swivel touchscreen Swivel screen (not touch-sensitive)
15 shutter flaps per second 3.7 shutter flaps per second
In-body stabilizationLens stabilization only
Weathersealed bodynot weather sealed
660 shots per battery charge440 shots per battery charge
132 x 90 x 92 mm, 612 g 133 x 100 x 80 mm, 570 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS R7 and the Canon EOS Rebel T3i? 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

The physical size and weight of the Canon R7 and the Canon T3i are illustrated in the side-by-side display below. 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 measures are rounded to the nearest millimeter.

Size Canon R7 vs Canon T3i
Compare R7 versus T3i top
Comparison R7 or T3i rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon T3i is notably larger (12 percent) than the Canon R7. However, the T3i is markedly lighter (7 percent) than the R7. It is worth mentioning in this context that the R7 is splash and dust resistant, while the T3i does not feature any corresponding weather-sealing.

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. Hence, you might want to study and compare the specifications of available lenses in order to get the full picture of the size and weight of the two camera systems.

Concerning battery life, the R7 gets 660 shots out of its Canon LP-E6NH battery, while the T3i can take 440 images on a single charge of its Canon LP-E8 power pack. The power pack in the R7 can be charged via the USB port, so that it is not always necessary to take the battery charger along when travelling.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. In case you want to display and compare another camera duo, you can use the CAM-parator app to select your camera combination among a large number of options.

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Body Specifications
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon R7 132 mm 90 mm 92 mm 612 g 660 Y May 2022 1,499 amazon.com
2.
 
Canon T3i 133 mm 100 mm 80 mm 570 g 440 n Feb 2011 599ebay.com
3.
 
Canon 90D 141 mm 105 mm 77 mm 701 g 1300 Y Aug 2019 1,199 amazon.com
4.
 
Canon R5 138 mm 98 mm 88 mm 738 g 320 Y Jul 2020 3,899 amazon.com
5.
 
Canon R6 138 mm 98 mm 88 mm 680 g 360 Y Jul 2020 2,499 amazon.com
6.
 
Canon R6 Mark II 138 mm 98 mm 88 mm 670 g 450 Y Nov 2022 2,499 amazon.com
7.
 
Canon T2i 129 mm 98 mm 62 mm 530 g 440 n Feb 2010 699ebay.com
8.
 
Canon T4i 133 mm 100 mm 79 mm 575 g 440 n Jun 2012 849ebay.com
9.
 
Canon T5i 133 mm 100 mm 79 mm 580 g 440 n Mar 2013 649ebay.com
10.
 
Canon T6 129 mm 101 mm 78 mm 485 g 500 n Mar 2016 449ebay.com
11.
 
Canon T6s 132 mm 101 mm 78 mm 565 g 440 n Feb 2015 649ebay.com
12.
 
Fujifilm X-T4 135 mm 93 mm 64 mm 607 g 500 Y Feb 2020 1,699ebay.com
13.
 
Fujifilm X-T5 130 mm 91 mm 64 mm 557 g 580 Y Nov 2022 1,699 amazon.com
14.
 
Nikon Z5 134 mm 101 mm 67 mm 675 g 470 Y Jul 2020 1,399 amazon.com
15.
 
Panasonic GH5 II 139 mm 98 mm 87 mm 727 g 400 Y May 2021 1,699 amazon.com
16.
 
Sony A7 IV 131 mm 96 mm 80 mm 659 g 580 Y Oct 2021 2,499 amazon.com
17.
 
Sony A7C II 124 mm 71 mm 63 mm 514 g 540 Y Aug 2023 2,199 amazon.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

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 T3i was launched at a markedly lower price (by 60 percent) than the R7, which puts it into a different market segment. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. 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 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 more expensive and lead to bigger and heavier cameras and lenses.

Both cameras under consideration feature an APS-C sensor, but their sensors differ slightly in size. The sensor area in the T3i is 1 percent bigger. 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.

In terms of chip-set technology, the R7 uses a more advanced image processing engine (DIGIC X) than the T3i (DIGIC 4), with benefits for noise reduction, color accuracy, and processing speed.

Canon R7 and Canon T3i sensor measures

Despite having a slightly smaller sensor, the Canon R7 offers a higher resolution of 32.3 megapixels, compared with 17.9 MP of the Canon T3i. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.20μm versus 4.31μm for the T3i). However, it should be noted that the R7 is much more recent (by 11 years and 3 months) than the T3i, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently.

The resolution advantage of the Canon R7 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the R7 for good quality output (200 dots per inch) amounts to 34.8 x 23.2 inches or 88.4 x 58.9 cm, for very good quality (250 dpi) 27.8 x 18.6 inches or 70.7 x 47.1 cm, and for excellent quality (300 dpi) 23.2 x 15.5 inches or 58.9 x 39.3 cm. The corresponding values for the Canon T3i 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 R7 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Canon EOS R7 has a native sensitivity range from ISO 100 to ISO 32000, which can be extended to ISO 100-51200. The corresponding ISO settings for the Canon EOS Rebel T3i are ISO 100 to ISO 6400, with the possibility to increase the ISO range to 100-12800.

Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

R7 versus T3i MP

For many cameras, data on sensor performance has been reported by DXO Mark. 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 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
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Canon R7 APS-C 32.3 6960 46404k/60p24.113.8209284
2.
 
Canon T3i APS-C 17.9 5184 34561080/30p22.111.579365
3.
 
Canon 90D APS-C 32.3 6960 46404K/30p24.013.5184883
4.
 
Canon R5 Full Frame 44.8 8192 54648K/30p25.314.6304295
5.
 
Canon R6 Full Frame 20.0 5472 36484k/60p24.214.3339490
6.
 
Canon R6 Mark II Full Frame 24.0 6000 40004k/60p25.414.6315496
7.
 
Canon T2i APS-C 17.9 5184 34561080/30p22.111.578466
8.
 
Canon T4i APS-C 17.9 5184 34561080/30p21.711.272262
9.
 
Canon T5i APS-C 17.9 5184 34561080/30p21.711.268161
10.
 
Canon T6 APS-C 17.9 5184 34561080/30p22.011.778166
11.
 
Canon T6s APS-C 24.0 6000 40001080/30p22.612.091570
12.
 
Fujifilm X-T4 APS-C 26.0 6240 41604K/60p24.113.6199584
13.
 
Fujifilm X-T5 APS-C 39.8 7728 51526.2k/30p24.313.9226486
14.
 
Nikon Z5 Full Frame 24.2 6016 40164K/30p25.314.3292995
15.
 
Panasonic GH5 II Four Thirds 20.2 5184 38884K/60p23.713.1113679
16.
 
Sony A7 IV Full Frame 32.7 7008 46724K/60p25.414.7337997
17.
 
Sony A7C II Full Frame 32.7 7008 46724K/60p25.414.7323796
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 are equipped with sensors that have a sufficiently high read-out speed for moving images, but the R7 provides a higher video resolution than the T3i. It can shoot video footage at 4k/60p, while the T3i is limited to 1080/30p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the R7 has an electronic viewfinder (2360k dots), while the T3i 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 viewfinder in the R7 offers a wider field of view (100%) than the one in the T3i (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the R7 has a higher magnification (0.72x vs 0.53x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The table below summarizes some of the other core capabilities of the Canon R7 and Canon T3i in connection with corresponding information for a sample of similar cameras.

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Core Features
  empty 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.
 
Canon R72360 n3.0 / 1620 swivel Y 1/8000s 15.0/s n Y
2.
 
Canon T3ioptical n3.0 / 1040 swivel n 1/4000s 3.7/s Y n
3.
 
Canon 90Doptical Y3.0 / 1040 swivel Y 1/8000s 11.0/s Y n
4.
 
Canon R55760 Y3.2 / 2100 swivel Y 1/8000s 12.0/s n Y
5.
 
Canon R63690 n3.0 / 1620 swivel Y 1/8000s 12.0/s n Y
6.
 
Canon R6 Mark II3690 n3.0 / 1620 swivel Y 1/8000s 12.0/s n Y
7.
 
Canon T2ioptical n3.0 / 1040 fixed n 1/4000s 3.7/s Y n
8.
 
Canon T4ioptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
9.
 
Canon T5ioptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
10.
 
Canon T6optical n3.0 / 920 fixed n 1/4000s 3.0/s Y n
11.
 
Canon T6soptical Y3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
12.
 
Fujifilm X-T43690 n3.0 / 1620 swivel Y 1/8000s 15.0/s n Y
13.
 
Fujifilm X-T53690 n3.0 / 1840 full-flex Y 1/8000s 15.0/s n Y
14.
 
Nikon Z53690 n3.2 / 1040 tilting Y 1/8000s 4.5/s n Y
15.
 
Panasonic GH5 II3680 n3.0 / 1840 swivel Y 1/8000s 12.0/s n Y
16.
 
Sony A7 IV3686 n3.0 / 1037 swivel Y 1/8000s 10.0/s n Y
17.
 
Sony A7C II2360 n3.0 / 1037 swivel Y 1/4000s 10.0/s n Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One feature that differentiates the R7 and the T3i is in-body image stabilization (IBIS). The R7 reduces the risk of handshake-induced blur with all attached lenses, while the T3i offers no blur reduction with lenses that themselves do not provide optical image stabilization.

Both cameras have an articulated rear screen that can be turned to be front-facing. This feature will be particularly appreciated by vloggers and photographers who are interested in taking selfies.

The reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, the R7 is one of those camera that have an additional electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).

The Canon R7 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 R7 and the T3i write their files to SDXC cards. The R7 features dual card slots, which can be very useful in case a memory card fails. In contrast, the T3i only has one slot. The R7 supports UHS-II cards (on both slots), while the T3i cannot take advantage of Ultra High Speed SD cards.

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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 EOS R7 and Canon EOS Rebel T3i and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Canon R7Ystereo / monoYYmicro3.2Y-Y
2.
 
Canon T3iYmono / monoY-mini2.0---
3.
 
Canon 90DYstereo / monoYYmini2.0Y-Y
4.
 
Canon R5Ymono / monoYYmicro3.2Y-Y
5.
 
Canon R6Ymono / monoYYmicro3.2Y-Y
6.
 
Canon R6 Mark IIYstereo / monoYYmicro3.2Y-Y
7.
 
Canon T2iYstereo / -Y-mini2.0---
8.
 
Canon T4iYstereo / monoY-mini2.0---
9.
 
Canon T5iYstereo / monoY-mini2.0---
10.
 
Canon T6Ymono / mono--mini2.0YY-
11.
 
Canon T6sYstereo / monoY-mini2.0YY-
12.
 
Fujifilm X-T4Ystereo / monoY-micro3.1Y-Y
13.
 
Fujifilm X-T5Ystereo / monoY-micro3.2Y-Y
14.
 
Nikon Z5Ystereo / monoYYmicro3.2Y-Y
15.
 
Panasonic GH5 IIYstereo / monoYYfull3.2Y-Y
16.
 
Sony A7 IVYstereo / monoYYfull3.2Y-Y
17.
 
Sony A7C IIYstereo / monoYYmicro3.2Y-Y

It is notable that the R7 has a headphone jack, which is not present on the T3i This port makes it possible to attach external headphones and monitor the quality of sound during the recording process.

The R7 is a recent model that features in the current product line-up of Canon. In contrast, the T3i has been discontinued (but can be found pre-owned on ebay). As a replacement in the same line of cameras, the T3i was succeeded by the Canon T4i. Further information on the features and operation of the R7 and T3i can be found, respectively, in the Canon R7 Manual (free pdf) or the online Canon T3i Manual.

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Review summary

So what is the bottom line? Which of the two cameras – the Canon R7 or the Canon T3i – has the upper hand? Is one clearly better than the other? A synthesis of the relative strong points of each of the models is listed below.


Reasons to prefer the Canon EOS R7:

  • More detail: Offers more megapixels (32.3 vs 17.9MP) with a 34% higher linear resolution.
  • Better jpgs: Has a more modern image processing engine (DIGIC X vs DIGIC 4).
  • Better video: Provides higher definition movie capture (4k/60p vs 1080/30p).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • More complete view: Has a viewfinder with a larger field of view (100% vs 95%).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.72x vs 0.53x).
  • More detailed LCD: Has a higher resolution rear screen (1620k vs 1040k dots).
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (15 vs 3.7 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • More compact: Is smaller (132x90mm vs 133x100mm) and thus needs less room in the bag.
  • Longer lasting: Can take more shots (660 versus 440) on a single battery charge.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
  • Faster data transfer: Supports a more advanced USB protocol (3.2 vs 2.0).
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • Faster buffer clearing: Supports Ultra High Speed (UHS-II) SDXC cards on both slots.
  • More modern: Reflects 11 years and 3 months of technical progress since the T3i launch.


Advantages of the Canon EOS Rebel T3i:

  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • More affordable: Was introduced into a lower priced category (60 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in February 2011).

If the count of relative strengths (bullet points above) is taken as a measure, the R7 is the clear winner of the match-up (26 : 4 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision. 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.

R7 26:04 T3i

How about other alternatives? Do the specifications of the Canon R7 and the Canon T3i place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens 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 R7 and the T3i in practical situations. 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.

Expert reviews

This is why expert reviews 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.

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Expert Camera Reviews
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon R74.5/5+5/587/1004.5/54.5/5 May 2022 1,499 amazon.com
2.
 
Canon T3i3/5o..77/1004.5/54.5/5 Feb 2011 599ebay.com
3.
 
Canon 90D4/5+4.5/585/1004.5/54.5/5 Aug 2019 1,199 amazon.com
4.
 
Canon R54.5/5+4/591/1004.5/54.5/5 Jul 2020 3,899 amazon.com
5.
 
Canon R65/5+ +4/590/1004.5/55/5 Jul 2020 2,499 amazon.com
6.
 
Canon R6 Mark II5/5+ +4.5/591/1004.5/55/5 Nov 2022 2,499 amazon.com
7.
 
Canon T2i..+ +..77/1004/54.5/5 Feb 2010 699ebay.com
8.
 
Canon T4i4/5+ +..77/1004.5/54.5/5 Jun 2012 849ebay.com
9.
 
Canon T5i......76/1004.5/54.5/5 Mar 2013 649ebay.com
10.
 
Canon T64/5o4/573/1004/54/5 Mar 2016 449ebay.com
11.
 
Canon T6s5/5+..77/1004.5/54.5/5 Feb 2015 649ebay.com
12.
 
Fujifilm X-T45/5+ +5/588/1005/55/5 Feb 2020 1,699ebay.com
13.
 
Fujifilm X-T55/5+ +4.5/590/1004.5/5.. Nov 2022 1,699 amazon.com
14.
 
Nikon Z54/5..4/589/1004.5/54/5 Jul 2020 1,399 amazon.com
15.
 
Panasonic GH5 II4.5/5..4.5/585/1004.5/55/5 May 2021 1,699 amazon.com
16.
 
Sony A7 IV5/5+ +4.5/589/1004.5/54.5/5 Oct 2021 2,499 amazon.com
17.
 
Sony A7C II4/5..4/587/1004.5/54.5/5 Aug 2023 2,199 amazon.com
Note: (+ +) 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. 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, please note that some of the review sites have changed their methodology and reporting over time.

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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. 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: Canon R7 vs Canon T3i

    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 R7 Canon T3i
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Canon RF mount lenses Canon EF mount lenses
    Launch Date May 2022 February 2011
    Launch Price USD 1,499 USD 599
    Sensor Specs Canon R7 Canon T3i
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor APS-C Sensor
    Sensor Size 22.3 x 14.8 mm 22.3 x 14.9 mm
    Sensor Area 330.04 mm2 332.27 mm2
    Sensor Diagonal 26.8 mm 26.8 mm
    Crop Factor 1.6x 1.6x
    Sensor Resolution 32.3 Megapixels 17.9 Megapixels
    Image Resolution 6960 x 4640 pixels 5184 x 3456 pixels
    Pixel Pitch 3.20 μm 4.31 μm
    Pixel Density 9.78 MP/cm2 5.39 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 4k/60p Video 1080/30p Video
    ISO Setting 100 - 32,000 ISO 100 - 6,400 ISO
    ISO Boost 100 - 51,200 ISO 100 - 12,800 ISO
    Image Processor DIGIC X DIGIC 4
    DXO Sensor Quality (score) .. 65
    DXO Color Depth (bits) .. 22.1
    DXO Dynamic Range (EV) .. 11.5
    DXO Low Light (ISO) .. 793
    Screen Specs Canon R7 Canon T3i
    Viewfinder Type Electronic viewfinder Optical viewfinder
    Viewfinder Field of View 100% 95%
    Viewfinder Magnification 0.72x 0.53x
    Viewfinder Resolution 2360k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1620k dots 1040k dots
    LCD Attachment Swivel screen Swivel screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Canon R7 Canon T3i
    Focus System On-Sensor Phase-detect Phase-detect AF
    Manual Focusing AidFocus Peakingno Peaking Feature
    Continuous Shooting 15 shutter flaps/s 3.7 shutter flaps/s
    Electronic Shutterup to 1/16000sno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationIn-body stabilizationLens stabilization only
    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 Dual UHS-II no
    Connectivity Specs Canon R7 Canon T3i
    External Flash Hotshoe Hotshoe
    USB Connector USB 3.2 USB 2.0
    HDMI Port micro 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
    Bluetooth Support Bluetooth built-in no Bluetooth
    Body Specs Canon R7 Canon T3i
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type Canon LP-E6NH Canon LP-E8
    Battery Life (CIPA)660 shots per charge440 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 132 x 90 x 92 mm
    (5.2 x 3.5 x 3.6 in)
    133 x 100 x 80 mm
    (5.2 x 3.9 x 3.1 in)
    Camera Weight 612 g (21.6 oz) 570 g (20.1 oz)
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