Until the DR and sample images come out nothing is 100% sure.
I would like to make a showcase of Canon 5Ds resolution capabilities in relation to usual print usage.
Since I am pretty sure that the
s in 5D
s stands for
Studio in this regard I will ignore
ISO and
fps for the sake of simplicity and as a reminder why it is not that good to compare a
general purpose body with one dedicated mainly for
studio usage with planned and controlled light.
Let alone that both are completely different generations both in sensor and CPU (if rumors are correct).
5Ds - DIGIC
6 (dual)
5Dm4 - DIGIC
7 (single)
Anyway I take it that for TV and web we hardly go over the 10 megapixels for the stills. "He that is without sin among you, let him first cast
8K argument at me."

)) Ergo concentrating on Printing only:
According to
this answer the good rule of thumbs is:
Code:
[width in pixels] / [print pixels per inch] = [print width in inches]
[height in pixels] / [print pixels per inch] = [print height in inches]
(Home Wall poster in landscape that you would go and look even from closer angle)
W = 8712 / 300 ppi = 29.04 in = 73.76 cm
H = 5813 / 300 ppi = 19.38 in = 49.22 cm
According to the following table (please note the dimensions are in portrait:
| Size | Width x Height (cm) | Width x Height (in) |
| A0 | 84.1 x 118.9 cm | 33.1 x 46.8 in |
| A1 | 59.4 x 84.1 cm | 23.4 x 33.1 in |
| A2 | 42.0 x 59.4 cm | 16.5 x 23.4 in |
| A3 | 29.7 x 42 cm | 11.7 x 16.5 in |
Canon 5Ds according to the
standardpostersizes.com is moderatly good for a
Bus Stop Poster – 40” x 60” ;-) It will be with average
150 dpi/ppi resolution though.
On the other hand a regular
A3 would be:
W = 11.7 * 300 ppi = 3 510
H = 16.5 * 300 ppi = 4 950
That is 4 950 x 3 510 =
17 374 500 here you go 1Dx (m
1).
On the other hand a regular
A2 would be:
W = 16.5 * 300 ppi = 4 950
H = 23.4 * 300 ppi = 7 020
That is 7 020x 4 950 =
34 749 000 here Canon 5D m4 comes
in short with
4 MP for the "best" quality.
And instead of a summary:
It all depends on each one of our own needs to adequately justify the choice, whereby we need to seperate the needs in
commercial and
personal categories.