Canon EOS Rebel T7i vs Sony Alpha A7 III

  • APS-C
  • 24 megapixels
  • Canon EF/EF-S
  • 46
    Overall
  • 20
    Imaging
  • 72
    Features
  • 72
    Size
  • 0
    Price
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  • Full frame
  • 24 megapixels
  • Sony E
  • 50
    Overall
  • 24
    Imaging
  • 88
    Features
  • 73
    Size
  • 0
    Price
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Canon EOS Rebel T7i vs Sony Alpha A7 III: a Complete Review and Comparison

Are you looking for the best camera to suit your needs? Due to a wide range of options, making a wise and weighted decision can be rather challenging. Which specs to keep in mind? What are the key pros and cons of each model? This comparison should give some helpful hints!

In this review, we are going to make a detailed comparison of two cameras that fall into different categories. While the first model we are looking at, Canon EOS Rebel T7i belongs to a Entry-Level DSLR category, the other model, Canon EOS Rebel T7i is a Pro Mirrorless camera. Both models feature different types of sensors. Thus, Canon EOS Rebel T7i comes with CMOS sensor that has a resolution of 24.0 MP resolution, while our second compared model Sony Alpha A7 III features a 24.0 MP BSI-CMOS sensor.

Both cameras we are going to look at in our overview fall into two different categories - DSLR and MirrorLess. Keeping in mind all the distinctive features of each category, it will be hard to make a detailed comparison of these two models. However, we will do our best to make this review as unbiased and detailed as possible.

To get started, let’s take a look at some of the key features of Canon EOS Rebel T7i and Sony Alpha A7 III and, after this, we can go on to our detailed comparison of these models.

Canon EOS Rebel T7i Key Features:

  • 24.0 MP APS-C CMOS sensor
  • ISO 100 - 25600 (Expands to 51200)
  • Image Stabilization: No
  • 3″ Fully Articulated Screen
  • ViewFinder: Yes
  • 6.0 fps Continuous Shooting
  • Video: 1920 x 1080 @ 60p / 60 Mbps, MOV, H.264, Linear PCM
  • Built-in Wireless: Yes
  • Dimensions: 131 x 100 x 76 mm
  • Weight: 532 g
  • Environmental Sealing: No
  • Built-in GPS: Yes
  • Replaced Canon T6i.
  • Also known as Canon EOS 800D / Kiss X9i

Sony Alpha A7 III Key Features:

  • 24.0 MP Full frame BSI-CMOS sensor
  • ISO 100 - 51200 (Expands to 50 - 204800)
  • Image Stabilization: Yes
  • 3″ Tilting Screen
  • ViewFinder: Yes
  • 10.0 fps Continuous Shooting
  • Video: 3840 x 2160 (30p, 24p) 1920 x 1080 (120p, 60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p)
  • Built-in Wireless: Yes
  • Dimensions: 127 x 96 x 74 mm
  • Weight: 650 g
  • Environmental Sealing: Yes
  • Built-in GPS: No
  • Replaced Sony A7 II.

Canon EOS Rebel T7i substituted Canon T6i.

Why is Canon EOS Rebel T7i a better choice than Sony Alpha A7 III

Built-In Flash Yes vs No All the lenses are stabilized
Flash Range 12 vs No 12 better flash range
Screen Type Fully Articulated vs Tilting Flexible shooting positions
Screen Resolution 1,040k dots vs 922k dots 11.3% higher resolution screen
Weight 532 g vs 650 g 118 g lighter

What are the key reasons to pick Sony Alpha A7 III over Canon EOS Rebel T7i

Storage Slots 2 vs 1 Extra storage slot
Sensor Area 852.04 mm2 vs 332.27 mm2 61% larger pixel area
Image Stabilization Yes vs No All lenses are stabilized
Continuous Shooting 10 fps vs 6 fps 4 fps faster
Max Shutter Speed 1/8000 vs 1/4000 Faster shutter speed
Number Of Focus Points 693 vs 45 648 more focus points
Battery Life 610 shots vs 600 shots 10 more frames with a single charge
Environmental Sealing Yes vs No Shoot at tough conditions
Max Video Resolution 3840 x 2160 vs 1920 x 1080 Higher Resolution Video
Headphone Port Yes vs No Has headphone port
Viewfinder Magnification 0.78 vs 0.51 0.27 better magnification

Key PROs of Canon EOS Rebel T7i and Sony Alpha A7 III

Touch Screen Yes | Yes Easy control of camera functions
Screen Size 3″ | 3″ Large display
Screen Type Fully Articulated | Tilting Help viewing and changing settings easily
Viewfinder Optical (pentamirror) | Electronic Better framing and control
Raw Support Yes | Yes Better image quality
Sensor Resolution 24.0 MP | 24.0 MP Bigger prints and more details
AutoFocus Face Detection Yes | Yes Very handy for portraits
Microphone Port Yes | Yes High quality audio recording option
Bracketing Yes | Yes Useful for tough lighting conditions and HDR
Flash Sync Port Yes | Yes Port for Flash Sync
Battery Life 600 shots | 610 shots Big number of frames with a single charge

Canon EOS Rebel T7i vs Sony Alpha A7 III: Comparing Two Models By Physical Characteristics

Before heading straight to the technical characteristics of each model, let’s start with comparing their physical specs. Let’s start with looking at the physical difference of the two products. Below are images that clearly show the sizes of Canon EOS Rebel T7i and Sony Alpha A7 III from the front view.

Canon EOS Rebel T7i
Sony Alpha A7 III
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Now, let’s go on and see how the reviewed models are different or similar by the top view.

Canon EOS Rebel T7i
Sony Alpha A7 III
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After looking at these images, you should get a clear idea of each model’s dimensions and how they are different from each other. However, we are not going to stop there. The next characteristic worth looking at is the weight. Of course, not every photographer is concerned about the weight, for example, it wouldn't be a decisive point for those who shoot in a studio. However, it is still an important factor because if you happen to go on a long photo session or just love having the camera with you wherever you go, you want to be sure that the chosen model isn't too heavy.

Speaking of weight, Canon EOS Rebel T7i is a lighter option of these two, as it weights 118g less than the Sony Alpha A7 III. This difference, in fact, can become a significant disadvantage for the photographers, who prefer to have their cameras with them wherever they go.

Comparing Canon EOS Rebel T7i and Sony Alpha A7 III by the type of Sensor and Resolution

Sensor is, without a doubt, the most significant element of every digital camera. Its type, size, and resolution are the factors that define the quality of future shots. Thus, it is barely possible to pick a suitable camera without looking at these specs.

Are Canon EOS Rebel T7i and Sony Alpha A7 III any different in terms of sensor type?

Take a look below to find the comparison of Canon EOS Rebel T7i and Sony Alpha A7 III by the size of their sensors.

Canon EOS Rebel T7i
Sony Alpha A7 III
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One more distinctive feature of compared models is the sensor size. Sony Alpha A7 III is equipped with a sensor that is 0.4x larger than the one featured in Canon EOS Rebel T7i. Compared to the cameras with smaller sensor area, the ones with larger sensors ensure more control on the blurry background and depth of field if you shoot in the same aperture and focal length. Thus, the first model has a significant advantage here.

For Which Fields Of Photography Are Canon EOS Rebel T7i and Sony Alpha A7 III Suitable?

If you are interested in photography or has made a career in this field, you should know that different types of shooting actually require different camera characteristics. While one model can produce outstanding portraits, at the same time, it can be terrible for shooting landscapes, and so on. Thus, before you purchase a specific camera, it is vital to decide, which type of shooting you do most often and consider an option that suits it the most.

This section of our comparison is devoted to the performance of Canon EOS Rebel T7i and Sony Alpha A7 III in different fields of photography. Here we are going to look at the five main areas and evaluate how well each of the reviewed models performs in them. This will help you choose an option that suits your needs the most depending on your interest in one or several of these fields.

Photography Type Canon EOS Rebel T7i Sony Alpha A7 III
Portrait Photography
95%
98%
Street Photography
91%
95%
Sports Photography
81%
99%
Daily Photography
48%
69%
Landscape Photography
86%
99%

Canon EOS Rebel T7i for Portrait Photography

Advantages:

  • Large APS-C (22.3 x 14.9 mm) sensor
  • High resolution sensor (24 MP)
  • Canon is famous with its skintones
  • Face Detection Focusing

Disadvantages:

  • No Image Stabilization

Sony Alpha A7 III for Portrait Photography

Advantages:

  • Large Full frame (35.8 x 23.8 mm) sensor
  • High resolution sensor (24 MP)
  • Fast Max Shutter Speed (1/8000s)
  • Image Stabilization
  • Face Detection Focusing

Disadvantages:

No Significant Disadvantages

Canon EOS Rebel T7i for Street Photography

Advantages:

  • Built-in View Finder
  • Live View
  • Fully Articulated Screen
  • Large APS-C(22.3 x 14.9 mm) sensor

Disadvantages:

  • Big size (131 x 100 x 76 mm)
  • No Image Stabilization

Sony Alpha A7 III for Street Photography

Advantages:

  • Built-in View Finder
  • Live View
  • Image Stabilization
  • Large Full frame(35.8 x 23.8 mm) sensor

Disadvantages:

  • Big size (127 x 96 x 74 mm)

Canon EOS Rebel T7i for Sports Photography

Advantages:

  • Big size (131 x 100 x 76 mm)

Disadvantages:

  • Slow Continuous Shooting (6.0 fps)
  • No Environmental Sealing
  • Slow Max Shutter Speed (1/4000s)
  • Smal Number of autofocus Points (45)
  • Small battery life (600 shots)

Sony Alpha A7 III for Sports Photography

Advantages:

  • Environmental Sealing
  • Fast Max Shutter Speed (1/8000s)
  • Big Number of autofocus Points (693)
  • Nice Low Light ISO (3730)
  • Big size (127 x 96 x 74 mm)

Disadvantages:

  • Slow Continuous Shooting (10.0 fps)
  • Small battery life (610 shots)

Canon EOS Rebel T7i for Daily Photography

Advantages:

  • Large APS-C (22.3 x 14.9 mm) sensor
  • Built-in Flash
  • Built-in View Finder
  • Live View
  • Wireless Connectivity
  • Video is available

Disadvantages:

  • Big weight (532 g)
  • Big size (131 x 100 x 76 mm)

Sony Alpha A7 III for Daily Photography

Advantages:

  • Large Full frame (35.8 x 23.8 mm) sensor
  • Built-in View Finder
  • Live View
  • Wireless Connectivity
  • Video is available

Disadvantages:

  • Big weight (650 g)
  • Big size (127 x 96 x 74 mm)
  • No Built-in Flash

Canon EOS Rebel T7i for Landscape Photography

Advantages:

  • Large APS-C (22.3 x 14.9 mm) sensor
  • High resolution sensor (24 MP)
  • Live View
  • RAW Support

Disadvantages:

  • No Environmental Sealing

Sony Alpha A7 III for Landscape Photography

Advantages:

  • Large Full frame (35.8 x 23.8 mm) sensor
  • High resolution sensor (24 MP)
  • Good Dynamic Range (14.7)
  • Environmental Sealing
  • Live View
  • RAW Support
  • Nice Low Light ISO (3730)

Disadvantages:

No Significant Disadvantages

Comparison of Canon EOS Rebel T7i vs Sony Alpha A7 III: Final Verdict

Hopefully, our detailed overview of these models has helped you consider all the main specs, pros and cons of each cameras. Maybe, after reading this comparison, some of you have already decided which option to opt for depending on your needs and preferences. However, if you are still wondering which option is a better choice, Canon EOS Rebel T7i or Sony Alpha A7 III, below you can see what scores each of them received in five different aspects. To wrap up, we have used our unique Decision Algorithm that assesses different camera models upon 63 different factors including their price, and, if possible, DxO Mark scores. This algorithm allows us to make our verdict more consistent and objective.

What is our final verdict? Based on our comparison and the final scores of Canon EOS Rebel T7i and Sony Alpha A7 III here is what we can say in conclusion:

According all the factors that we considered in the process of comparing these two cameras, Sony Alpha A7 III deserves a higher Total Score than the Canon EOS Rebel T7i. Thus, if you are choosing between these options, we would recommend you to choose the first model over the other one.

Canon EOS Rebel T7i vs Sony Alpha A7 III Table Of Technical Specs

For better understanding of each model’s technical characteristics, find the detailed comparison below:

Canon EOS Rebel T7i Sony Alpha A7 III
General
Brand Canon Sony
Model EOS Rebel T7i Alpha A7 III
Announced Feb 15, 2017 Feb 27, 2018
Body Type Mid-size SLR SLR-style mirrorless
Sensor
Sensor Type CMOS BSI-CMOS
Sensor Size APS-C Full frame
Sensor Dimensions 22.3 x 14.9 mm 35.8 x 23.8 mm
Sensor Area 332.27 mm2 852.04 mm2
Sensor Resolution 24.0 MP 24.0 MP
Max Image Resolution 6000 x 4000 6000 x 4000
Max Native ISO 25,600 51,200
Max Boosted ISO 51,200 204,800
Min Native ISO 100 100
RAW Support Yes Yes
Lens
Manual Focus Yes Yes
Lens Mount Canon EF/EF-S Sony E
Number of Lenses 304 83
Focal Length Multiplier 1.6x 1x
Macro Focus Range
AutoFocus
AF Touch Yes Yes
AF Continuous Yes Yes
AF Single Yes Yes
AF Tracking Yes Yes
AF Selective Yes Yes
AF Center Yes Yes
AF Multi Area Yes Yes
AF Live View Yes Yes
AF Face Detection Yes Yes
AF Contrast Detection Yes Yes
AF Phase Detection Yes Yes
Number of Focus Points 45 693
Number of Cross Focus Points n/a n/a
Screen
Screen Type Fully Articulated Tilting
Screen Size 3″ 3″
Screen Resolution 1,040k dots 922k dots
Live View Yes Yes
Touch Screen Yes Yes
ViewFinder
ViewFinder Optical (pentamirror) Electronic
ViewFinder Resolution 0k dots 2,359k dots
ViewFinder Coverage 95% 100%
ViewFinder Magnification 0.51 0.78
Photography Features
Min Shutter Speed 30 s 30 s
Max Shutter Speed 1/4000 s 1/8000 s
Continuous Shooting 6.0 fps 10.0 fps
Shutter Priority Yes Yes
Aperture Priority Yes Yes
Manual Exposure Mode Yes Yes
Exposure Compensation Yes Yes
Custom White Balance Yes Yes
Image Stabilization No Yes
Built-in Flash Yes No
Flash Range 12 0
Flash Modes no built-in flash
External Flash Yes Yes
AE Bracketing Yes Yes
WB Bracketing Yes Yes
Exposure Modes
Multi-Segment Yes Yes
Average Yes Yes
Spot Yes Yes
Partial Yes No
AF-Area No No
Center Weighted No No
Video Features
Video Resolutions 1920 x 1080 @ 60p / 60 Mbps, MOV, H.264, Linear PCM 3840 x 2160 (30p, 24p) 1920 x 1080 (120p, 60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p)
Max Video Resolution 1920 x 1080 3840 x 2160
Video Formats MPEG-4, H.264 MPEG-4, AVCHD, XAVC S, H.264
Microphone Port Yes Yes
Headphone Port No Yes
Connectivity
Wireless Connectivity Yes Yes
HDMI Yes Yes
USB USB 2.0 USB 1
Physical
Environmental Sealing No Yes
Water Proof No No
Dust Proof No No
Shock Proof No No
Crush Proof No No
Freeze Proof No No
Weight 532 g 650 g
Physical Dimensions 131 x 100 x 76 mm 127 x 96 x 74 mm
Battery Life 600 shots 610 shots
Battery Type Battery Pack Battery Pack
Battery Model n/a NP-FZ100
Other Features
Self Timer Yes Yes
Timelapse Recording Yes Yes
GPS Optional
Storage Type SD/SDHC/SDXC (UHS-I compatible) SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Storage Slots 1 2

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