Should You Buy This Camera

Canon EOS-1D X Mark III vs Canon EOS R6 Mark III

Side-by-side used price and spec comparison. Lowest current prices pulled daily from the major used-gear sites.

Canon EOS-1D X Mark III
Canon

Canon EOS-1D X Mark III

Canon EOS-1D · 2020
Lowest now
$2,029
MSRP
$6,499
-69% vs MSRP
Prices are rising

Used prices have been rising recently. Prices are up 6.8% over the last 30 days. The 90-day low was $1,350, $679 below today. Currently 31% of the $6,499 MSRP.

Full details & price history
Canon EOS R6 Mark III
Canon

Canon EOS R6 Mark III

Canon EOS R · 2025
Lowest now
$2,212
MSRP
$2,799
-21% vs MSRP
Lowest price we've ever observed

Lowest price we've ever observed. This at $2,212 matches the lowest we've ever recorded for this body. That's 79% of the $2,799 MSRP. Prices are down 17.7% over the last 30 days.

Full details & price history

Specs side by side

Canon EOS-1D X Mark III Canon EOS R6 Mark III
Brand CanonCanon
Family Canon EOS-1DCanon EOS R
Category bodybody
Body type DSLRMirrorless
Mount Canon EFCanon RF
Sensor Full FrameFull Frame
Sensor family Canon FF 20MP CMOS (1D X III) · 20.1MP full-frame Dual Pixel CMOSCanon FF 32.5MP CMOS (R6 III) · 32.5MP full-frame CMOS
Megapixels 20.1 MP32.5 MP
Autofocus Phase DetectionPhase Detection
IBIS —5-axis 8.5-stop
Weather sealed —Yes
Max video —7K60
Max native ISO —ISO 102,400
Body weight —699 g
Dimensions —138 × 98 × 88 mm
Body material —magnesium alloy
Released 2020-02-132025-11-06
Discontinued ——
Status currentcurrent
MSRP $6,499$2,799
Current low $2,029$2,212
vs MSRP -69%-21%

Dynamic range, head to head

Both sensors plotted on one chart, across the full ISO range. The higher line holds more shadow-to-highlight latitude at that ISO.

Overlay both curves on Photons to Photos

Measurements by William J. Claff. We link rather than reprint them.

Both cameras appear in

Curated best-under lists where both of these qualify today.

The verdicts above describe price timing. They don't tell you which camera fits your shooting style. See /methods for how we normalize seller conditions and compute the deal score.