Updated (September 2012): Compare the Canon EOS 5D Mark III vs Pentax K-5 IIs

Canon EOS 5D Mark III vs Pentax K-5

Winner
Canon EOS 5D Mark III

100

Pentax K-5

83

Runner-up

Reasons to buy the Canon EOS 5D Mark III

Large screen
Screen size
3.2"
High ISO
Light sensitivity
25,600 ISO
24p movies
Supports 24p
For that film look
Many focus points
Focus points
61
 

Reasons to buy the Pentax K-5

Dynamic range
Wide dynamic range
14.1 EV
Image stabilization
Image stabilization
  1. Sensor shift
Shutter lag
Barely any delay taking photos
104 ms shutter lag
Size
Really small
Prosumer size (131×97×73 mm)

galleries

Explore our gallery of 50 sample photos taken by the Canon EOS 5D Mark III.
Explore our gallery of 4 sample photos taken by the Pentax K-5.

differences

Advantages of the Canon 5D Mark III

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Low light performance
Significantly lower noise at high ISO
2,293 ISO vs 1,162 ISO
Help
The 5D Mark III has a slight edge (1 f-stops) in low-noise, high-ISO performance
Supports 24p
Supports 24p
Yes vs No
Help
Get that real film feel
Screen size
Significantly larger screen
3.2" vs 3"
Help
Around 10% larger screen
Focus points
Many more focus points
61 vs 11
Help
Set focus accurately within the frame
Viewfinder size
Significantly larger viewfinder
0.71x vs 0.60x
Help
Around 40% larger viewfinder
Cross type focus points
Many more cross-type focus points
41 vs 9
Help
Grab focus in difficult situations
Screen resolution
Higher resolution screen
1,040k dots vs 920k dots
Help
More than 10% higher resolution screen
Lens availability
More lenses available
165 lenses vs 113 lenses
Help
Around 50% more lenses available
Light sensitivity
Better maximum light sensitivity
25,600 ISO vs 12,800 ISO
Help
The 5D Mark III's maximum light sensitivity is 2 f-stops better
True resolution
Higher true resolution
22.3 MP vs 16.1 MP
Help
Capture around 40% more detail in your photos
Storage slots
Has more storage slots
2 vs 1
Help
More slots allows storing more images without switching memory cards
Color depth
Better color depth
24 bits vs 23.7 bits
Help
Almost the same
Battery life
Longer battery life
950 shots vs 740 shots
Help
Around 30% more shots per battery charge
Startup delay
Slightly less startup delay
500 ms vs 600 ms
Help
Around 20% less delay when turning on
Light sensitivity (boost)
Better boost ISO
102,400 ISO vs 51,200 ISO
Help
The 5D Mark III's boost ISO is 2 f-stops better
Canon EOS 5D Mark III Learn more about
the Canon 5D Mark III

Advantages of the Pentax K-5

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Dynamic range
More dynamic range
14.1 EV vs 11.7 EV
Help
1.2 f-stops more dynamic range
Image stabilization
Image stabilization
  1. Sensor shift
vs None
Help
Helps eliminate blur caused by small camera movements
Size
Significantly smaller
131×97×73 mm vs 152×116×76 mm
Help
More than 30% smaller
Continuous shooting
Shoots faster
7 fps vs 6 fps
Help
Around 20% faster continuous shooting
Built-in flash
Built-in flash
Yes vs No
Help
A built-in flash is useful for taking indoor shots where there is little light
Lowest price
Cheaper
$630.49 vs $2,249.00
Help
The best price we've seen is $1,619 cheaper (3.6x less)
Shutter lag
Slightly less shutter lag
104 ms vs 120 ms
Help
More than 10% less delay when taking photos
Weight
Lighter
740 g vs 950 g
Help
More than 20% lighter
Thickness
Thinner
2.9" vs 3"
Help
Almost the same
Pentax K-5 Learn more about
the Pentax K-5
vs

recommendations

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

Snapsort Recommends
Canon EOS 5D Mark III Canon EOS 5D Mark III 100
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        83 Pentax K-5 Pentax K-5
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              similarities

              Compared to recent DSLRs

              Common Strengths
              Shutter lag Minimal shutter lag Help
              5D Mark III120 ms
              K-5104 ms
              Weather sealed Weather sealed Help
              Shoot in extreme weather
              Viewfinder Both have pentaprism viewfinders Help
              Pentaprism
              Viewfinder coverage Above average viewfinder coverage Help
              100%
              Fastest shutter speed Fast max shutter speeds Help
              1/8000 of a second
              Common Weaknesses
              Built-in focus motor No focus motor Help
              Won't autofocus with all lenses
              Screen flips out No flip-out screens Help
              Less flexible
              Touch screen No touchscreens Help
              More buttons

              dxomark

              DXOMark

              competitors

              Shared Competitors

              Advantages

              Disadvantages

              Canon EOS 6D

              Canon EOS 6D

              Pro DSLR

              $1,269 - $1,399 body only

              $1,799 with 24-105mm lens

              GPS Has a built-in GPS
              Fastest shutter speed Has a slower max shutter speed
              Size Is slightly larger
              Canon EOS 5D Mark II

              Canon EOS 5D Mark II

              Pro DSLR

              $2,150 body only

              Lowest price Is slightly more expensive
              Weight Is slightly heavier
              Canon EOS 70D

              Canon EOS 70D

              Pro DSLR

              $849 - $999 body only

              $919 - $1,099 with 18-55mm lens

              Touch screen Has a touch screen
              Screen flips out Has a screen which flips out
              Thickness Is thicker
              Size Is slightly larger
              Canon EOS 7D

              Canon EOS 7D

              Pro DSLR

              $749 - $834 body only

              $849 with 28-135mm lens

              Lens availability Slightly more lenses available
              Weight Is slightly heavier
              Size Is slightly larger
              Nikon D7100

              Nikon D7100

              Entry-level DSLR

              $759 - $897 body only

              $959 - $1,197 with 18-140mm lens

              Screen resolution Has a slightly higher resolution screen
              Movie continuous focus Can focus continuously while recording movies
              Thickness Is thicker
              Size Is slightly larger
              Canon EOS 60D

              Canon EOS 60D

              Pro DSLR

              $724 body only

              $929 - $949 with 18-135mm lens

              Screen flips out Has a screen which flips out
              Lens availability Slightly more lenses available
              Thickness Is thicker
              Size Is slightly larger

              Canon EOS 5D Mark III Competitors

              Advantages

              Disadvantages

              Nikon D750

              Nikon D750

              Pro DSLR

              $1,997 body only

              $2,697 with 24-120mm lens

              Dynamic range More dynamic range
              Overall image quality Better image quality
              Cross type focus points Significantly fewer cross-type focus points
              Light sensitivity Worse maximum light sensitivity
              Nikon D810

              Nikon D810

              Pro DSLR

              $2,997 body only

              $3,697 with 24-120mm lens

              Overall image quality Significantly better image quality
              Dynamic range More dynamic range
              Cross type focus points Significantly fewer cross-type focus points
              Light sensitivity Worse maximum light sensitivity
              Canon EOS 7D Mark II

              Canon EOS 7D Mark II

              Pro DSLR

              $1,399 - $1,499 body only

              $1,679 - $1,849 with 18-135mm lens

              Continuous shooting Shoots significantly faster
              Cross type focus points Significantly more cross-type focus points
              Low light performance Significantly more noise at high ISO
              Overall image quality Worse image quality
              Nikon D800

              Nikon D800

              Pro DSLR

              $1,749 body only

              Dynamic range More dynamic range
              Overall image quality Significantly better image quality
              Cross type focus points Significantly fewer cross-type focus points
              Light sensitivity Worse maximum light sensitivity

              Pentax K-5 Competitors

              Advantages

              Disadvantages

              Pentax K-3

              Pentax K-3

              Entry-level DSLR

              $749 - $900 body only

              $1,039 - $1,047 with 18-135mm lens

              Supports 24p Supports 24p
              Screen size Significantly larger screen
              Startup delay More startup delay
              Overall image quality Slightly worse image quality
              Pentax K-50

              Pentax K-50

              Entry-level DSLR

              $288 - $295 body only

              $378 with 18-55mm lens

              Supports 24p Supports 24p
              Light sensitivity Better maximum light sensitivity
              External mic jack Lacks an external mic jack
              Dynamic range Less dynamic range
              Pentax K-5 II

              Pentax K-5 II

              Entry-level DSLR

              $557 body only

              $839 with 18-135mm lens

              Battery life Longer battery life
              Shutter lag Significantly more shutter lag
              Nikon D7000

              Nikon D7000

              Entry-level DSLR

              $599 body only

              $684 with 18-55mm lens

              Supports 24p Supports 24p
              Lens availability Much more lenses available
              HDR Lacks in-camera HDR
              Image stabilization No image stabilization
              Pentax K-30

              Pentax K-30

              Entry-level DSLR

              $358 body only

              $531 with 18-55mm lens

              Supports 24p Supports 24p
              Weight Lighter
              External mic jack Lacks an external mic jack
              Startup delay More startup delay

              appearance

              Canon EOS 5D Mark III Pentax K-5
              Canon EOS 5D Mark III Pentax K-5
              Canon EOS 5D Mark III Pentax K-5

              discussion

              Canon EOS 5D Mark III
              EOS 5D Mark III
              Canon

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              Pentax K-5
              K-5
              Pentax

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