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Canon 6D Mark II vs Sony A7 III Comparison

The Canon EOS 6D Mark II was announced in 2017 as a semi-professional DSLR camera with a sleek look and extremely adaptable performance that allows its customers to produce great photographs and taste the benefits of a full-frame camera.

The Sony A7 III has a different body from the EOS 6D Mark II. It’s a mirrorless, full-frame camera that was released 1 year ago, in 2018. It quickly garnered positive reviews from photographers since it’s an all-around camera that can satisfy them in practically any sort of photography.

Despite their differences (I’ll be examining a DSLR and a mirrorless camera), they share many aspects in common, making them both intriguing possibilities. Let’s start by comparing the two.

Canon 6D Mark II vs Sony A7 III Feature Comparison

Canon 6D Mark II Sony A7 III
Camera Type
70 Pixels
ISO Range
Flip-Out Screen
AF Points
45 AF Points
693 AF Points
Video Recording
Sensor Size

Head To Head Comparison

Canon 6D Mark II

Despite being full-frame, the Canon EOS 6D Mark II is small. It is 4.4 x 5.7 x 2.9′′ (HWD), weighs roughly 1.7 pounds without a lens, and is built of a solid, polycarbonate resin with glass fiber wrapped in a matte-black finished and rubberized covering, making it pleasant to shoot with and solid!

Despite being built of polycarbonate, this model doesn’t seem or feel cheap; even after years of use, you won’t detect a difference in its appearance.

On the top plate, there’s a Mode dial on the left, a hot shoe in the center, and a huge LCD screen with 5 buttons above. In front of them are the M-Fn, Shutter release, and control dial.
On the back, only Menu and Info are on the left, therefore the rest are on the right.

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On the top rear is an eye-level, fixed pentaprism viewfinder that covers 98 percent of the field, has a 0.71x magnification ratio, and is bright enough to let you comfortably view and lock onto subjects.

Below is a 3′′, 1040k-dot vari-angle touch LCD screen that I love since you can shoot from different angles and navigate menus effortlessly. The LCD provides satisfying visuals, and I have no complaints about this camera.

The 6D Mark II has a remote control port, Tiny USB port, mini HDMI connector, microphone input, memory card slot that supports SD/SDHC/SDXC formats at UHS-I speeds, and it’s Wi-Fi, NFC, and Bluetooth-enabled, so transferring content is a breeze.

The 6D Mark II sports a 26.2 MP full-frame CMOS sensor, DIGIC 7 image processor, ISO range of 100-40,000 (expandable to 50-102,400), 45-point all cross-type AF system, and continuous shooting speed of 6.5 fps.

If you’ve ever shot with the 6D Mark II, you’ll know what I mean.

JPGs taken between ISO 100-800 have little noise, well-defined details, and brilliant colors; this trend continues up to ISO 3200 when noise appears. At ISO 6400 – 12,800, noise becomes more evident, but photographs are still useable. Beyond ISO 12,800, noise rises as you increase the ISO sensitivity level, and image quality suffers.

RAW shots produce outstanding details at ISO 3200 and up to ISO 12,800, but above ISO 25,600, blur is obvious and you won’t gain from the photos.

The 6D Mark II can record videos. This device lacks 4K recording but can record 1080p at 24/30/60 fps and 720 at 30/60 fps with outstanding clarity. This camera will help you become a better videographer and photographer.

Sony A7 III

The Sony A7 III boasts a tiny (3.9 x 5.0 x 2.5′′ (HWD), 1.4-pound) all-black body that feels quite substantial. This is because Sony used a magnesium alloy throughout the building process, which makes the camera strong enough for daily usage. Sony kept going. They added weather-sealing to maximize the camera’s stiffness, so you can shoot freely in dusty and rainy conditions.

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The A7 III is easy to use. The front of the body has a textured handgrip that lets you place your hands naturally when shooting for a long time.

Top-center is a hot shoe, the left side has no buttons, and all the controls are on the right, including two dials, programmable C1 and C2 buttons, and a shutter release button with an On/Off switch.

Sony has placed many buttons on the back of the camera in a compacted manner due to its small size.

On top is a sharp, OLED electronic viewfinder with 0.78x magnification and 2,359k dots that covers 100% of the field. In practice, once you lock onto a target, you won’t miss anything.

Below the viewfinder is a 3″ LCD touchscreen with 1,228k dots that enables you to examine images and movies and shoot even in strong daylight. It can tilt up and down, so you can shoot from different angles.

The A7III operates with portrait and wide-angle lenses. You can find a lens for any category you choose.

Let’s discuss connectivity choices. The Sony A7 III boasts two USB ports, one micro-USB and one USB-C, a 3.5mm microphone input, a 3.5mm headphone output, and built-in Bluetooth, Wi-Fi, and NFC, making it a great camera for sending videos and photos.

The A7 III features a 24.2MP BSI full-frame picture sensor, an outstanding 693 phase-detection and 425 contrast AF points, 10 fps continuous shooting, a BIONZ X image processor, and an ISO range of 100-51,200 that can be increased to 50-204,800.

If you shoot JPGs, you won’t be dissatisfied with the results since from ISO 100 to ISO 6400, photographs are lifelike, have clear details, and noise is nearly non-existent!

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Above ISO 6400, noise increases with ISO, so at ISO 12,800 you’ll notice additional noise, which peaks at the highest level. ISO 12,800 is still usable, but I wouldn’t advocate going higher.

RAW format photographs handle noise well even at the highest points, but like with JPGs, the furthest you’d go is ISO 12,800 because around ISO 51,200 – 102,400+ noise starts to overrun image quality and it’s not worth it to go that far.

I love the Sony a7iii with a portrait lens. It takes amazing photos that are hard to beat.

Compared to the 6D Mark II, the A7 III can capture 4K films at 24/30 fps, 1080p videos at 24/30/60 fps, and there’s an in-camera slow-motion option that can go up to 120fps. The Sony A7 III outperforms the 6D Mark II. Sony deserves praise for the footage’s sharpness. It’s great for workout videos, vlogs, and youtube.


You should now understand why this camera is one of the best in its category.

Before announcing the winner, let me briefly describe the cameras to help you decide.

Both cameras’ photo kinds are similar. Both cameras are fantastic for Portrait photography, however, the Sony A7 III is somewhat superior.

Both cameras are fantastic for sports photos, but the A7 III’s faster burst shooting speed and shutter speed make it better. For landscape photography, I consider the result a tie.

The 6D Mark II has 8 percent more pixels, a 12 percent higher resolution screen, and longer battery life (1200 vs. 610 shots), but the A7 III has 648 more focus points, a more accurate viewfinder, faster continuous shooting and mechanical shutter speed, higher color depth, record 4K videos, and better low-light performance.

I’d choose the more expensive Sony A7 III.

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