Updated (October, 2011): Compare the Canon EOS-1D Mark III vs Canon EOS 1D X

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Canon EOS-1D Mark III

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Canon EOS-1D Mark III

Runner-up
     
 

Reasons to buy the Canon EOS-1D Mark IV

Movie format
Full HD
1080p @ 30fps
Dynamic range
Wide dynamic range
12 EV
Screen size
Large screen
3.0"
Screen resolution
High resolution screen
920k dots
 

Reasons to buy the Canon EOS-1D Mark III

Screen size
Large screen
3.0"
Live view
Has live view
Preview your photos
Continuous shooting
Rapid fire
10 fps
Startup delay
Almost no delay when powering up
100 ms startup delay
 
Differences | Recommendations | Cast your vote | Similarities | Competitors | Appearance | Discussion

differences

Advantages of the Canon EOS-1D Mark III

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Battery life Significantly longer battery life 2200 shots vs 1500 shots
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Around 50% more shots per battery charge
Startup delay Less startup delay 100 ms vs 400 ms
Help
4x less delay when turning on
Viewfinder size Slightly larger viewfinder 0.61x vs 0.59x
Help
Around 10% larger viewfinder
Shutter lag Slightly less shutter lag 94 ms vs 104 ms
Help
Around 10% less delay when taking photos
Canon EOS-1D Mark III Learn more about
the Canon EOS-1D Mark III

Advantages of the Canon EOS-1D Mark IV

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Screen resolution Much higher resolution screen 920k dots vs 230k dots
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4x higher resolution screen
Movie format Shoots movies 1080p @ 30fps vs None
Help
Shoots Full HD (1080p) video as well as still pictures
Cross type focus points Many more cross-type focus points 39 vs 19
Help
Grab focus in difficult situations
Dynamic range More dynamic range 12 EV vs 11.7 EV
Help
0.3 f-stops more dynamic range
True resolution Significantly higher true resolution 16 MP vs 10.1 MP
Help
Capture around 60% more detail in your photos
Low light performance Slightly lower noise at high ISO 1,320 ISO vs 1,078 ISO
Help
The EOS-1D Mark IV has a slight edge (0.3 f-stops) in low noise, high ISO performance
Overall image quality Better image quality 74.0 vs 71.0
Help
Almost the same
Light sensitivity Better maximum light sensitivity 12,800 ISO vs 3,200 ISO
Help
The EOS-1D Mark IV's maximum light sensitivity is 2 f-stops better
Light sensitivity (boost) Better boost ISO 102,400 ISO vs 6,400 ISO
Help
The EOS-1D Mark IV's boost ISO is 4 f-stops better
Weight Lighter 1,230 g vs 1,335 g
Help
Around 10% lighter
Canon EOS-1D Mark IV Learn more about
the Canon EOS-1D Mark IV
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recommendations

Which camera do we recommend? Relative to the best recent pro DSLRs, and ignoring price

Snapsort Recommends
Canon EOS-1D Mark III Canon EOS-1D Mark III 60

vs

69 Canon EOS-1D Mark IV Canon EOS-1D Mark IV

similarities

Compared to recent DSLRs

Common Strengths Common Weaknesses
Shutter lag Incredible shutter lag Help
EOS-1D Mark III:94 ms
EOS-1D Mark IV:104 ms
Continuous shooting Fast continuous shooting Help
10 fps
Battery life Great battery life Help
EOS-1D Mark III:2200 shots
EOS-1D Mark IV:1500 shots
Weather sealed Weather sealed Help
Shoot in extreme weather
Cross type focus points Many cross-type focus points Help
EOS-1D Mark III:19
EOS-1D Mark IV:39
Startup delay Minimal startup delay Help
EOS-1D Mark III:100 ms
EOS-1D Mark IV:400 ms
Focus points Many focus points Help
45
Viewfinder Both have pentaprism viewfinders Help
Pentaprism
Storage slots Multiple storage slots Help
2
Viewfinder coverage Above average viewfinder coverage Help
100%
Fastest shutter speed Fast max shutter speeds Help
1/8000 of a second
Built-in flash No built-in flash Help
Professional
Weight Heavy Help
EOS-1D Mark III:1,335 g
EOS-1D Mark IV:1,230 g
Size Large Help
Large 156x157x80 mm
Thickness Quite thick Help
3.1"
Built-in focus motor No focus motor Help
Won't autofocus with all lenses
HDR Neither has in-camera HDR Help
You could do HDR manually
True resolution Capture low resolution images Help
EOS-1D Mark III:10.1 MP
EOS-1D Mark IV:16 MP
Screen flips out No flip-out screens Help
Less flexible
Panorama Neither camera stitches together panoramas Help
You could stitch photos in post
Image stabilization No image stabilization Help
Risk of blur
Overall image quality Low image quality Help
EOS-1D Mark III:71.0
EOS-1D Mark IV:74.0

Compared to recent pro DSLRs

Common Strengths Common Weaknesses

Snapsort is not aware of any interesting strengths shared by these two products.

GPS No built-in GPS Help
Missing geo-tagging
Sensor size Very small sensors Help
EOS-1D Mark III:APS-H 28.7x18.7mm
EOS-1D Mark IV:APS-H 27.9x18.6mm
Viewfinder size Below average viewfinder size Help
EOS-1D Mark III:0.61x
EOS-1D Mark IV:0.59x
Screen size Very small screens Help
3.0"
Color depth Poor color depth Help
EOS-1D Mark III:22.7 bits
EOS-1D Mark IV:22.8 bits
Screen resolution Low resolution screens Help
EOS-1D Mark III:230k dots
EOS-1D Mark IV:920k dots
Low light performance Above average noise at high ISO Help
EOS-1D Mark III:1,078 ISO
EOS-1D Mark IV:1,320 ISO
Dynamic range Poor dynamic range Help
EOS-1D Mark III:11.7 EV
EOS-1D Mark IV:12 EV

dxomark

DXOMark

competitors

Shared Competitors

Advantages

Disadvantages

Canon EOS 5D Mark III

Canon EOS 5D Mark III

Pro DSLR

$3,199 - $3,399 body only

$3,799 - $3,999 with 24-105mm lens

Low light performance Is slightly less noisy at high ISO
Overall image quality Has slightly better image quality
Battery life Has a slightly shorter battery life
Continuous shooting Doesn't shoot as fast continuously
Canon EOS 5D Mark II

Canon EOS 5D Mark II

Pro DSLR

$2,595 body only

$3,625 with 24-105mm lens

Low light performance Is slightly less noisy at high ISO
Overall image quality Has slightly better image quality
Storage slots Has fewer storage slots
Viewfinder coverage Slightly less viewfinder coverage
Canon EOS 7D

Canon EOS 7D

Pro DSLR

$999 - $1,799 body only

$1,299 - $1,599 with 18-135mm lens

Lens availability Slightly more lenses available
Size Is much smaller
Storage slots Has fewer storage slots
Sensor size Has a marginally smaller sensor
Canon EOS 1D X

Canon EOS 1D X

Pro DSLR

$6,799 body only

Low light performance Is significantly less noisy at high ISO
Overall image quality Has slightly better image quality
Thickness Is thicker
Weight Is significantly heavier
Canon EOS-1Ds Mark III

Canon EOS 1Ds Mark III

Pro DSLR

$6,000 body only

Overall image quality Has slightly better image quality
Color depth Has slightly more color depth
Weight Is slightly heavier
Autofocus Users slower contrast detection autofocus
Canon EOS 6D

Canon EOS 6D

Pro DSLR

$1,642 - $1,899 body only

$2,299 - $2,499 with 24-105mm lens

Low light performance Is slightly less noisy at high ISO
Overall image quality Has slightly better image quality
Fastest shutter speed Has a slower max shutter speed
Storage slots Has fewer storage slots
Canon EOS 70D

Canon EOS 70D

Pro DSLR

$999 - $1,155 body only

$450 - $1,449 with 18-135mm lens

Screen resolution Has a slightly higher resolution screen
True resolution Takes slightly higher resolution photos
Storage slots Has fewer storage slots
Viewfinder coverage Slightly less viewfinder coverage

Canon EOS-1D Mark III Competitors

Advantages

Disadvantages

Canon EOS-1Ds Mark II

Canon EOS-1Ds Mark II

Pro DSLR

Low light performance Lower noise at high ISO
Viewfinder size Larger viewfinder
Screen size Much smaller screen
Live view No live view
Canon EOS 5D

Canon EOS 5D

Pro DSLR

$4,000 with 24-105mm lens

Viewfinder size Significantly larger viewfinder
Low light performance Lower noise at high ISO
Screen size Much smaller screen
Live view No live view

Canon EOS-1D Mark IV Competitors

Advantages

Disadvantages

No significant competitors found that are specific to the Canon EOS-1D Mark IV.

appearance

Canon EOS-1D Mark III Canon EOS-1D Mark IV
Canon EOS-1D Mark III Canon EOS-1D Mark IV
Canon EOS-1D Mark III Canon EOS-1D Mark IV

discussion

Canon EOS-1D Mark III
EOS-1D Mark III
Canon

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Canon EOS-1D Mark IV
EOS-1D Mark IV
Canon

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