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Canon 400D vs Sony A7 IV

The Canon EOS 400D (called Canon XTi in some regions) and the Sony Alpha A7 IV are two digital cameras that were revealed to the public, respectively, in August 2006 and October 2021. The 400D is a DSLR, while the A7 IV is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (400D) and a full frame (A7 IV) sensor. The Canon has a resolution of 10.1 megapixels, whereas the Sony provides 32.7 MP.

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

Headline Specifications
Canon 400D
versus
Sony A7 IV
Canon 400D   Sony A7 IV
Digital single lens reflex Mirrorless system camera
Canon EF mount lenses Sony E mount lenses
10.1 MP – APS-C sensor 32.7 MP – Full Frame sensor
no Video 4K/60p Video
ISO 100-1,600 ISO 100-51,200 (50 - 204,800)
Optical viewfinder Electronic viewfinder (3686k dots)
2.5" LCD – 230k dots 3.0" LCD – 1037k dots
Fixed screen (not touch-sensitive) Swivel touchscreen
3 shutter flaps per second 10 shutter flaps per second
Lens stabilization onlyIn-body stabilization
not weather sealedWeathersealed body
370 shots per battery charge580 shots per battery charge
127 x 84 x 65 mm, 556 g 131 x 96 x 80 mm, 659 g
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Check A7 IV price at
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Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS 400D and the Sony Alpha A7 IV? 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 400D and the Sony A7 IV. 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.

Size Canon 400D vs Sony A7 IV
Compare 400D versus A7 IV top
Comparison 400D or A7 IV rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7 IV is notably larger (18 percent) than the Canon 400D. Moreover, the A7 IV is markedly heavier (19 percent) than the 400D. It is noteworthy in this context that the A7 IV is splash and dust-proof, while the 400D 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. A larger imaging sensor will tend to go along with bigger and heavier lenses, although exceptions exist. You can compare the optics available for the two cameras in the Canon EF Lens Catalog (400D) and the Sony FE Lens Catalog (A7 IV). Mirrorless cameras, such as the A7 IV, have moreover the advantage that they can use many lenses from other systems via adapters, as they have a relatively short flange to focal plane distance.

Concerning battery life, the 400D gets 370 shots out of its NB-2LH battery, while the A7 IV can take 580 images on a single charge of its NP-FZ100 power pack. The power pack in the A7 IV can be charged via the USB port, which can be very convenient when travelling.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. 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 400D 127 mm 84 mm 65 mm 556 g 370 n Aug 2006 799ebay.com
2.
 
Sony A7 IV 131 mm 96 mm 80 mm 659 g 580 Y Oct 2021 2,499 amazon.com
3.
 
Canon 750D 132 mm 101 mm 78 mm 555 g 440 n Feb 2015 749ebay.com
4.
 
Canon 760D 132 mm 101 mm 78 mm 565 g 440 n Feb 2015 649ebay.com
5.
 
Canon 650D 133 mm 100 mm 79 mm 575 g 440 n Jun 2012 849ebay.com
6.
 
Canon 1100D 130 mm 100 mm 78 mm 495 g 700 n Feb 2011 449ebay.com
7.
 
Canon 550D 129 mm 98 mm 62 mm 530 g 440 n Feb 2010 699ebay.com
8.
 
Canon 500D 129 mm 98 mm 62 mm 520 g 400 n Mar 2009 799ebay.com
9.
 
Canon 450D 129 mm 98 mm 62 mm 524 g 500 n Jan 2008 799ebay.com
10.
 
Canon 40D 146 mm 108 mm 74 mm 822 g 750 n Aug 2007 1,299ebay.com
11.
 
Canon 350D 127 mm 94 mm 64 mm 540 g 400 n Feb 2005 899ebay.com
12.
 
Nikon D40X 124 mm 94 mm 64 mm 522 g 520 n Mar 2007 729ebay.com
13.
 
Sony A9 II 129 mm 96 mm 76 mm 678 g 690 Y Oct 2019 4,499 amazon.com
14.
 
Sony A7R IV 129 mm 96 mm 78 mm 665 g 670 Y Jul 2019 3,499 amazon.com
15.
 
Sony A7 III 127 mm 96 mm 74 mm 650 g 610 Y Feb 2018 1,999 amazon.com
16.
 
Sony A7R III 127 mm 96 mm 74 mm 650 g 650 Y Oct 2017 3,199ebay.com
17.
 
Sony A7S II 127 mm 96 mm 60 mm 627 g 370 Y Sep 2015 2,999ebay.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 400D was launched at a markedly lower price (by 68 percent) than the A7 IV, 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.

Sensor comparison

The size of the imaging sensor is a crucial determinant 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. 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Canon 400D features an APS-C sensor and the Sony A7 IV a full frame sensor. The sensor area in the A7 IV is 161 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.6 and 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Canon 400D and Sony A7 IV sensor measures

With 32.7MP, the A7 IV offers a higher resolution than the 400D (10.1MP), but the A7 IV has smaller individual pixels (pixel pitch of 5.12μm versus 5.71μm for the 400D). Yet, the A7 IV is a much more recent model (by 15 years and 2 months) than the 400D, and its sensor will 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 A7 IV has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Sony A7 IV implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A7 IV for good quality output (200 dots per inch) amounts to 35 x 23.4 inches or 89 x 59.3 cm, for very good quality (250 dpi) 28 x 18.7 inches or 71.2 x 47.5 cm, and for excellent quality (300 dpi) 23.4 x 15.6 inches or 59.3 x 39.6 cm. The corresponding values for the Canon 400D are 19.4 x 13 inches or 49.4 x 32.9 cm for good quality, 15.6 x 10.4 inches or 39.5 x 26.3 cm for very good quality, and 13 x 8.6 inches or 32.9 x 21.9 cm for excellent quality prints.

The A7 IV has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Canon EOS 400D has a native sensitivity range from ISO 100 to ISO 1600. The corresponding ISO settings for the Sony Alpha A7 IV are ISO 100 to ISO 51200, with the possibility to increase the ISO range to 50-204800.

In terms of underlying technology, the 400D is build around a CMOS sensor, while the A7 IV uses a BSI-CMOS imager. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

400D versus A7 IV MP

For many 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 A7 IV offers substantially better image quality than the 400D (overall score 35 points higher). The advantage is based on 3.3 bits higher color depth, 3.7 EV in additional dynamic range, and 2.3 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 400D APS-C 10.1 3888 2592none22.111.066462
2.
 
Sony A7 IV Full Frame 32.7 7008 46724K/60p25.414.7337997
3.
 
Canon 750D APS-C 24.0 6000 40001080/30p22.712.091971
4.
 
Canon 760D APS-C 24.0 6000 40001080/30p22.612.091570
5.
 
Canon 650D APS-C 17.9 5184 34561080/30p21.711.272262
6.
 
Canon 1100D APS-C 12.2 4272 2848720/30p21.911.075562
7.
 
Canon 550D APS-C 17.9 5184 34561080/30p22.111.578466
8.
 
Canon 500D APS-C 15.1 4752 31681080/20p21.711.566363
9.
 
Canon 450D APS-C 12.2 4272 2848none21.910.869261
10.
 
Canon 40D APS-C 10.1 3888 2592none22.111.370364
11.
 
Canon 350D APS-C 8.0 3456 2304none21.810.863760
12.
 
Nikon D40X APS-C 10.0 3872 2592none22.411.451663
13.
 
Sony A9 II Full Frame 24.0 6000 40004K/30p25.014.0343493
14.
 
Sony A7R IV Full Frame 60.2 9504 63364K/30p26.014.8334499
15.
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096
16.
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
17.
 
Sony A7S II Full Frame 12.0 4240 28324K/30p23.613.3299385

Many modern cameras are not only capable of taking still images, but can also record movies. The A7 IV indeed provides for movie recording, while the 400D does not. The highest resolution format that the A7 IV can use is 4K/60p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the A7 IV has an electronic viewfinder (3686k dots), while the 400D 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 A7 IV offers a wider field of view (100%) than the one in the 400D (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the A7 IV has a higher magnification (0.78x vs 0.49x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The following table reports on some other key feature differences and similarities of the Canon 400D, the Sony A7 IV, and comparable cameras.

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Core Features
    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 400Doptical n2.5 / 230 fixed n 1/4000s 3.0/s Y n
2.
 
Sony A7 IV3686 n3.0 / 1037 swivel Y 1/8000s 10.0/s n Y
3.
 
Canon 750Doptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
4.
 
Canon 760Doptical Y3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
5.
 
Canon 650Doptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
6.
 
Canon 1100Doptical n2.7 / 230 fixed n 1/4000s 3.0/s Y n
7.
 
Canon 550Doptical n3.0 / 1040 fixed n 1/4000s 3.7/s Y n
8.
 
Canon 500Doptical n3.0 / 920 fixed n 1/4000s 3.4/s Y n
9.
 
Canon 450Doptical n3.0 / 230 fixed n 1/4000s 3.5/s Y n
10.
 
Canon 40Doptical Y3.0 / 230 fixed n 1/8000s 6.5/s Y n
11.
 
Canon 350Doptical n1.8 / 115 fixed n 1/4000s 3.0/s Y n
12.
 
Nikon D40Xoptical n2.5 / 230 fixed n 1/4000s 3.0/s Y n
13.
 
Sony A9 II3686 n3.0 / 1440 tilting Y 1/8000s 20.0/s n Y
14.
 
Sony A7R IV5760 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
15.
 
Sony A7 III2359 n3.0 / 922 tilting Y 1/8000s 10.0/s n Y
16.
 
Sony A7R III3686 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
17.
 
Sony A7S II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n Y
Notes: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One difference between the cameras concerns the presence of an on-board flash. The 400D has one, while the A7 IV does not. While the built-in flash of the 400D is not very powerful, it can at times be useful as a fill-in light.

The A7 IV has an articulated screen that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in taking selfies. In contrast, the 400D does not have a selfie-screen.

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 A7 IV 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 400D writes its imaging data to Compact Flash cards, while the A7 IV uses CFexpress (type A) or SDXC cards. The A7 IV features dual card slots, which can be very useful in case a memory card fails. In contrast, the 400D only has one slot.

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 400D and Sony Alpha A7 IV 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
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Canon 400DY- / ----2.0---
2.
 
Sony A7 IVYstereo / monoYYfull3.2Y-Y
3.
 
Canon 750DYstereo / monoY-mini2.0YY-
4.
 
Canon 760DYstereo / monoY-mini2.0YY-
5.
 
Canon 650DYstereo / monoY-mini2.0---
6.
 
Canon 1100DYstereo / mono--mini2.0---
7.
 
Canon 550DYstereo / -Y-mini2.0---
8.
 
Canon 500DYmono / mono--mini2.0---
9.
 
Canon 450DY- / ---mini2.0---
10.
 
Canon 40DY- / ----2.0---
11.
 
Canon 350DY- / ----2.0---
12.
 
Nikon D40XY- / ----2.0---
13.
 
Sony A9 IIYstereo / monoYYmicro3.1YYY
14.
 
Sony A7R IVYstereo / monoYYmicro3.1YYY
15.
 
Sony A7 IIIYstereo / monoYYmicro3.1YYY
16.
 
Sony A7R IIIYstereo / monoYYmicro3.1YYY
17.
 
Sony A7S IIYstereo / monoYYmicro2.0YY-

It is notable that the A7 IV offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the 400D does not provide wifi capability.

The A7 IV is a recent model that features in the current product line-up of Sony. In contrast, the 400D has been discontinued (but can be found pre-owned on ebay). As a replacement in the same line of cameras, the 400D was succeeded by the Canon 450D. Further information on the features and operation of the 400D and A7 IV can be found, respectively, in the Canon 400D Manual (free pdf) or the online Sony A7 IV Manual.

Review summary

So what conclusions can be drawn? Is there a clear favorite between the Canon 400D and the Sony A7 IV? Which camera is better? A synthesis of the relative strong points of each of the models is listed below.

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Arguments in favor of the Canon EOS 400D:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • More compact: Is smaller (127x84mm vs 131x96mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 103g or 16 percent) and hence easier to carry around.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More affordable: Was introduced into a lower priced category (68 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in August 2006).

ilogo

Reasons to prefer the Sony Alpha A7 IV:

  • More detail: Has more megapixels (32.7 vs 10.1MP), which boosts linear resolution by 80%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better image quality: Scores substantially higher (35 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (3.3 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (3.7 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (2.3 stops ISO advantage).
  • Broader imaging potential: Can capture not only stills but also 4K/60p video.
  • 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 complete view: Has a viewfinder with a larger field of view (100% vs 95%).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.78x vs 0.49x).
  • Larger screen: Has a bigger rear LCD (3.0" vs 2.5") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1037k vs 230k dots).
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (10 vs 3 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Longer lasting: Gets more shots (580 versus 370) out of a single battery charge.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • More legacy lens friendly: Can use many 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.
  • More modern: Reflects 15 years and 2 months of technical progress since the 400D launch.

If the number of relative strengths (bullet points above) is taken as a guide, the A7 IV is the clear winner of the contest (29 : 7 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 sports photographer will view the differences between cameras in a way that diverges from the perspective of a street photog, and a person interested in family portraits has distinct needs from a landscape shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

400D 07:29 A7 IV

How about other alternatives? Do the specifications of the Canon 400D and the Sony A7 IV place the cameras among the top in their class? Find out in the latest Best DSLR Camera and Best Mirrorless Interchangeable Lens 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 remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the 400D or the A7 IV. 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 where reviews by experts come in. The following table reports the overall ratings of the cameras as published by some of the major camera 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
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon 400D..+ +..+ +o4/5 Aug 2006 799ebay.com
2.
 
Sony A7 IV5/5+ +4.5/589/1004.5/54.5/5 Oct 2021 2,499 amazon.com
3.
 
Canon 750D5/5....75/1004.5/54.5/5 Feb 2015 749ebay.com
4.
 
Canon 760D5/5+..77/1004.5/54.5/5 Feb 2015 649ebay.com
5.
 
Canon 650D4/5+ +..77/1004.5/54.5/5 Jun 2012 849ebay.com
6.
 
Canon 1100D..80/100..69/1004/54.5/5 Feb 2011 449ebay.com
7.
 
Canon 550D..+ +..77/1004/54.5/5 Feb 2010 699ebay.com
8.
 
Canon 500D..+ +..74/1004.5/54.5/5 Mar 2009 799ebay.com
9.
 
Canon 450D..+ +..+ +4/54.5/5 Jan 2008 799ebay.com
10.
 
Canon 40D..+ +..+ +4.5/54.5/5 Aug 2007 1,299ebay.com
11.
 
Canon 350D..80/100..+ +o.. Feb 2005 899ebay.com
12.
 
Nikon D40X..79/100..+ +4/54/5 Mar 2007 729ebay.com
13.
 
Sony A9 II....5/590/1005/55/5 Oct 2019 4,499 amazon.com
14.
 
Sony A7R IV5/5+4.5/591/1004.5/55/5 Jul 2019 3,499 amazon.com
15.
 
Sony A7 III..+ +4.5/589/1005/55/5 Feb 2018 1,999 amazon.com
16.
 
Sony A7R III..+ +4/590/1004.5/55/5 Oct 2017 3,199ebay.com
17.
 
Sony A7S II5/5+....4.5/55/5 Sep 2015 2,999ebay.com
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. Hence, a score should always be seen in the context of the camera's market launch date and its price, 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? If you would like to see a different side-by-side camera review, just make a corresponding selection in the search boxes below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Canon 400D vs Sony A7 IV

    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 400D Sony A7 IV
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Canon EF mount lenses Sony E mount lenses
    Launch Date August 2006 October 2021
    Launch Price USD 799 USD 2,499
    Sensor Specs Canon 400D Sony A7 IV
    Sensor Technology CMOS BSI-CMOS
    Sensor Format APS-C Sensor Full Frame Sensor
    Sensor Size 22.2 x 14.8 mm 35.9 x 23.9 mm
    Sensor Area 328.56 mm2 858.01 mm2
    Sensor Diagonal 26.7 mm 43.1 mm
    Crop Factor 1.6x 1.0x
    Sensor Resolution 10.1 Megapixels 32.7 Megapixels
    Image Resolution 3888 x 2592 pixels 7008 x 4672 pixels
    Pixel Pitch 5.71 μm 5.12 μm
    Pixel Density 3.07 MP/cm2 3.82 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability no Video 4K/60p Video
    ISO Setting 100 - 1,600 ISO 100 - 51,200 ISO
    ISO Boost no Enhancement 50 - 204,800 ISO
    Image Processor DIGIC II BIONZ XR
    DXO Sensor Quality (score) 62 97
    DXO Color Depth (bits) 22.1 25.4
    DXO Dynamic Range (EV) 11.0 14.7
    DXO Low Light (ISO) 664 3379
    Screen Specs Canon 400D Sony A7 IV
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 95% 100%
    Viewfinder Magnification 0.49x 0.78x
    Viewfinder Resolution 3686k dots
    LCD Framing Live View
    Rear LCD Size 2.5inch 3.0inch
    LCD Resolution 230k dots 1037k dots
    LCD Attachment Fixed screen Swivel screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Canon 400D Sony A7 IV
    Focus System Phase-detect AF On-Sensor Phase-detect
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 3 shutter flaps/s 10 shutter flaps/s
    Shutter Life Expectancy50 000 actuations200 000 actuations
    Electronic Shutterno E-ShutterYES
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium CF cards CFexA or SDXC cards
    Second Storage Option Single card slot Dual card slots
    Connectivity Specs Canon 400D Sony A7 IV
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 3.2
    HDMI Port no HDMI full HDMI
    Microphone Port no MIC socket External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support no Wifi Wifi built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Canon 400D Sony A7 IV
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type NB-2LH NP-FZ100
    Battery Life (CIPA)370 shots per charge580 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 127 x 84 x 65 mm
    (5.0 x 3.3 x 2.6 in)
    131 x 96 x 80 mm
    (5.2 x 3.8 x 3.1 in)
    Camera Weight 556 g (19.6 oz) 659 g (23.2 oz)
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