Canon EOS C70 vs Canon EOS 1DX Mark III


Are you awake at night torn between these two cameras? Not after this article!

This article is a comparison of the specifications of the Canon EOS C70 (AmazonB&H) and Canon EOS 1DX Mark III (AmazonB&H) for cinema work with currently available information and/or firmware as of this writing.

Who are these cameras aimed at?

These are two different cameras aimed at completely different markets. One is a DSLR whose primary purpose is to take photographs, and video is secondary. The other is a pure video camera.

The problem is, the 1D X Mark III shoots 5.5K RAW internally, at 60p. The C70 does 4K 120 fps in 10-bit 4:2:2. And they are close enough price-wise to confuse the best of us.

I’m assuming the primary target group would comprise of:

  • Solo filmmakers
  • Wedding videographers
  • Wildlife journalists
  • Documentary filmmakers
  • Event videographers
  • B-Roll camera crew

Comparison of sensors and video features

Here’s how the camera sensors compare for video:

CameraResolutionVideo ISO RangeSensor Size
Canon EOS 1DX Mark III5496 × 2904100-25,60036 x 24 mm
Canon EOS C70 4096 × 2160100-102,40026.2 x 13.8 mm

Canon claims to have the improved and revolutionary DGO sensor for their new Canon EOS C70 (AmazonB&H). Once we do get our hands on the C70 we will know how that translates in real-world use. But we have extensive experience with the 1D X:

https://website-39341349.tnb.awf.mybluehost.me/canon-1d-x-mark-iii-real-world-review-for-video-and-cinematography/

It’s an incredibly capable video camera, and is a joy to use.

What about 4K frame rates?

CameraMax fps at 4KDynamic RangeMax fps at 1080p
Canon EOS 1DX Mark III59.94 fps12 stops 119.9 fps
Canon EOS C70119.9 fps16+ stops (-6 to 54 dB Gain)180 fps

Next, the codecs and color information:

CameraRAW and Code in 4K and HigherColor Information
Canon EOS 1DX Mark IIICanon RAW Lite | H.264/H.265 ALL-I, IPBRAW | 10-bit 4:2:2/8-bit 4:2:0
Canon EOS C70 XF-AVC Intraframe (H.264)10-bit 4:2:2

Here the Canon 1DX Mark III (AmazonB&H) shines, with 5.5K internal RAW recording. On the other hand, if you don’t want RAW, then the C70 offers 10-bit 4:2:2 and a theoretically better sensor.

I would expect the Canon EOS 1DX Mark III (AmazonB&H) to be better in low light. Having shot with it myself I can attest to its clean imagery in low light. I would be really surprised if the C70 can outclass it in that department.

This one’s too close to call, because there are features in both that, if critical, will seal the deal.

Focus and exposure aids, and ergonomics

The little things make all the difference:

CameraExposure
Canon EOS 1DX Mark IIIZebras, Histogram
Canon EOS C70Waveform, Zebras, False Color

The C70 has an in-built false color tool, something that will help professionals a lot. Both have focus peaking, however Canon EOS C70 (AmazonB&H) has a system where you can have two focus peaking presets allowing you to have two different peaking presets for different situations which is always helpful.

As far as size and weight are concerned:

CameraErgonomicsWeight
Canon EOS 1DX Mark IIIThe 1DX Mark III has time-honored DSLR ergonomics.1250g
Canon EOS C70Has a fan, putting the mini XLR and HDMI inputs and the buttons on the left with the LCD swiveling to left makes it a tough camera to handle for a solo operator.1430g

Both cameras claim to be weather resistant. Overall, I’ll give it to the C70 for these reasons:

  1. Swivel LCD screen
  2. Focus and exposure aids
  3. Video ports, XLR, Timecode, etc.

Lenses and Autofocus

Both the cameras have dual pixel autofocus, but with one major caveat:

The AF does not function with 5.5K RAW 60p/50p on the Canon 1D X Mark III. It only works till 30p.

However Canon EOS C70 (AmazonB&H) claims it has a better autofocus with RF lenses. Now, this can be another empty line of jargon or it could be actually something substantial. We have to get a proper hands-on experience for us to figure that out.

Ultimately, though, the choice would boil down to your preference of EF or RF lenses.

Batteries and media cards

Here’s a look at the media

CameraDual card slotsPrice per GB for 512 GB*Data Rate
Canon EOS 1DX Mark IIIYes, CFexpress 1.0 Type B$1.1/GB325 MB/s
Canon EOS C70Yes, SDXC$0.35/GB51.25 MB/s
*Comparing Sandisk Extreme Pro cards

CFexpress cards are not cheap (comparing Sandisk Extreme Pro to be fair). For practical shoots, you will need multiple cards. This could really add to your budget for RAW shooting.

That might make it out of reach for most people.

What about battery life?

CameraBattery lifeCost of one batteryCost of 6 hours of operation
Canon EOS 1DX Mark III140 minutes$163$420
Canon EOS C70180 minutes*$239.95$480
*Total guesswork on my part here.

The battery life isn’t that different to worry about.

Audio Inputs

Here we find one stark difference between these two cameras. The Canon EOS C70 (AmazonB&H) has 2 in-built Mini XLR inputs, while you will need a XLR to Mini XLR adapter. Clearly, this is what a lot of professionals need.

Which is cheaper to own?

Let’s just add up the costs:

CameraCanon EOS C70Canon EOS 1DX Mark III
Camera body$5,499$6,499
Cost per hour of media$63$1,256
Batteries*$480$420
Total$6,042$8,175
*Battery cost calculated for 6 hours of operation

A difference of about $2,000. Is it worth it?

Recap

First, a recap:

FeatureWinner
Sensor and ISOCanon 1D X Mark III
Video featuresCanon EOS C70
DR and ColorCanon EOS C70
Rolling ShutterCanon EOS C70
Exposure AidsCanon EOS C70
MediaCanon EOS C70
LensesTie
ErgonomicsCanon EOS C70
Ports and MonitoringCanon EOS C70
AudioCanon EOS C70
AutofocusTie
Battery lifeTie

Before we take our final decision, we’ll let the cameras tell us what they offer that the others don’t:

CameraUSPMajor Cons
1DX Mark IIIFull frame and 1.3x crop modes, 5.5K RAW, Optical viewfinderPoor video tools, fixed LCD, no AF in 60p RAW
Canon EOS C704k 120 fps, 180 fps in 1080p, Mini XLR, buttons, ND filterNo RAW, Poor Input placement

My Verdict

I said I’ll try to provide a balanced overview, even though it’s hard. Here’s what I think:

Type of FilmmakingPreferred CameraMajor Reasons
Short documentaries and corporate videosCanon EOS C70Exposure, ND filters, XLR
Major documentaries or B-cam to the sameCanon EOS C70Exposure, ND filters, XLR
Short or feature filmsCanon EOS C70Exposure, ND filters, XLR
Music VideosCanon EOS C70120 fps in 4K and 180 fps in 1080p
JournalismCanon EOS C70Autofocus, LCD
WildlifeCanon EOS C70Autofocus
Weddings and EventsCanon EOS C70Autofocus, LCD

I had great fun shooting with the Canon EOS 1DX Mark III (AmazonB&H), but it simply cannot be a daily driver. It’s tremendous 5.5K RAW “advantage” comes with huge data rates and the lack of autofocus at 60p. The $2,000 extra for this will never be recouped through clients. Nobody working in this price bracket can afford to shoot 5.5K RAW, period.

In today’s economic climate, professionals need a camera that just gets any kind of job done. The Canon EOS C70 (AmazonB&H) is that camera. If you want a photography camera, just get the Canon EOS R6 (Amazon, B&H) for that extra $2,000 you saved!

The Canon EOS C70 (AmazonB&H) wins.

Author Bio
Photo of author
Sareesh Sudhakaran is a film director and award-winning cinematographer with over 24 years of experience. His second film, "Gin Ke Dus", was released in theaters in India in March 2024. As an educator, Sareesh walks the talk. His online courses help aspiring filmmakers realize their filmmaking dreams. Sareesh is also available for hire on your film!

1 thought on “Canon EOS C70 vs Canon EOS 1DX Mark III”

  1. Thank you Sarresh, this is a very good look at the two cameras.
    I have come to the conclusion that if a am going to shoot a video project I will use a cinema type camera. If doing a still shoot a DSLR does the job.
    I would like to know what you think about Sonys new FS6.
    Danny

    Reply

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