Updated (February, 2012): Compare the Canon EOS 5D Mark III vs Olympus OM-D E-M5

Canon EOS 5D Mark II

Winner
Canon EOS 5D Mark II

72

vs

Olympus OM-D E-M5

51

Olympus OM-D E-M5

Runner-up
     

Reasons to buy the Canon EOS 5D Mark II

High true resolution
True resolution
21 MP
Weather sealed
Weather sealed
Shoot in extreme weather
24p movies
Supports 24p
For that film look
Low noise at high ISO
Low light performance
1,815 ISO
 

Reasons to buy the Olympus OM-D E-M5

Size
Really small
Standard size 122x89x43 mm
Image stabilization
Image stabilization
Sensor shift
Touch screen
Touch screen
Less buttons
Weather sealed
Weather sealed
Shoot in extreme weather
 

differences

Advantages of the Canon 5D Mark II

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Autofocus
Faster autofocus
Phase detection vs Contrast detection
Help
Catch candid moments easily
Sensor size
Much larger sensor
Full frame 36.0x24.0mm vs Four thirds 17.3x13.0mm
Help
Around 4x larger sensor
Supports 24p
Supports 24p
Yes vs No
Help
Get that real film feel
Screen resolution
Higher resolution screen
920k dots vs 610k dots
Help
More than 50% higher resolution screen
Overall image quality
Better image quality
79.0 vs 71.0
Help
More than 10% better image quality
Lens availability
Significantly more lenses available
156 lenses vs 40 lenses
Help
Around 4x more lenses available
Battery life
Significantly longer battery life
850 shots vs 500 shots
Help
70% more shots per battery charge
Low light performance
Lower noise at high ISO
1,815 ISO vs 826 ISO
Help
The 5D Mark II has excellent image quality 1.1 f-stops higher ISO than the E-M5
Startup delay
Less startup delay
400 ms vs 1100 ms
Help
2.7x less delay when turning on
True resolution
Higher true resolution
21 MP vs 15.9 MP
Help
Capture more than 30% more detail in your photos
Shutter lag
Less shutter lag
206 ms vs 277 ms
Help
Around 30% less delay when taking photos
Sensor type
Has a CMOS-family sensor
CMOS vs LIVEMOS
Help
CMOS-family sensors often produce better quality images
Color depth
Better color depth
23.7 bits vs 22.8 bits
Help
Distinguishes 0.9 more bits of color
Viewfinder
Has an optical viewfinder
Pentaprism vs Digital
Help
Optical viewfinders save battery life and are more detailed
Viewfinder size
Slightly larger viewfinder
0.71x vs 0.44x
Help
More than 2.5x larger viewfinder
Canon EOS 5D Mark II Learn more about
the Canon 5D Mark II

Advantages of the Olympus E-M5

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Screen type
Has an OLED screen
OLED vs LCD
Help
OLED screens are often brighter and more vibrant than typical LCD screens
Autofocus
Video autofocus
Contrast detection vs None
Help
Automatically focuses shooting video
Size
Significantly smaller
122x89x43 mm vs 152x114x75 mm
Help
2.8x smaller
Image stabilization
Image stabilization
Sensor shift vs None
Help
Helps eliminate blur caused by small camera movements
Touch screen
Has a touch screen
Yes vs No
Help
Fewer buttons to worry about and direct interaction with camera menus
3D
Takes 3D photos
Yes vs No
Help
Combines multiple photos into a 3D image
Screen flips out
Has a flip-out screen
Yes vs No
Help
Flip-out screens can be helpful when composing tricky shots or taking movies
Weight
Much lighter
425 g vs 850 g
Help
2x lighter
Light sensitivity
Better maximum light sensitivity
25,600 ISO vs 6,400 ISO
Help
The E-M5's maximum light sensitivity is 2 f-stops better
Viewfinder coverage
Better viewfinder coverage
100% vs 98%
Help
Almost the same
Continuous shooting
Shoots faster
9 fps vs 3.9 fps
Help
Around 2.5x faster continuous shooting
Lowest price
Much cheaper
$649.99 vs $2,494.73
Help
The best price we've seen is $1,845 cheaper (3.8x less)
Focus points
More focus points
35 vs 9
Help
Set focus accurately within the frame
Thickness
Thinner
1.7" vs 3"
Help
More than 40% thinner
Dynamic range
More dynamic range
12.3 EV vs 11.9 EV
Help
0.4 f-stops more dynamic range
Longest exposure
Longer exposures
60s vs 30s
Help
2x longer exposures
Olympus OM-D E-M5 Learn more about
the Olympus E-M5
vs

recommendations

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

Snapsort Recommends
Canon EOS 5D Mark II Canon EOS 5D Mark II 72
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        51 Olympus OM-D E-M5 Olympus OM-D E-M5
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              similarities

              Compared to recent digital cameras

              Common Strengths
              Weather sealed Both are weather sealed, which is fairly uncommon among similar cameras Help
              Shoot in extreme weather
              External mic jack You can plug a microphone into both of these Help
              Record higher quality audio with a microphone
              Interchangeable lenses Both support interchangeable lenses, which is uncommon in cameras similar to these Help
              Many lenses to choose from
              True resolution Capture very high resolution images Help
              5D Mark II:21 MP
              E-M5:15.9 MP
              Battery life Great battery life Help
              5D Mark II:850 shots
              E-M5:500 shots
              Supports RAW Supports RAW Help
              Better editing
              Sensor cleaning Self cleaning sensors Help
              Avoids dust in your photos
              External flash Support external flash Help
              Better lighting
              Viewfinder Viewfinders Help
              5D Mark II:Pentaprism
              E-M5:Digital
              Common Weaknesses
              Built-in flash No built-in flash Help
              Professional
              Panorama Neither camera stitches together panoramas Help
              You could stitch photos in post
              HDR Neither has in-camera HDR Help
              You could do HDR manually
              Weight Heavy Help
              5D Mark II:850 g
              E-M5:425 g

              dxomark

              DXOMark

              competitors

              Shared Competitors

              Advantages

              Disadvantages

              Canon EOS 7D

              Canon EOS 7D

              Pro DSLR

              $999 - $1,499 body only

              $1,099 - $1,978 with 28-135mm lens

              Shutter lag Has slightly less shutter lag
              Lens availability Slightly more lenses available
              Lowest price Is slightly more expensive
              Thickness Is thicker
              Canon EOS 70D

              Canon EOS 70D

              Pro DSLR

              $999 body only

              $1,129 - $1,149 with 18-55mm lens

              HDR Has in-camera HDR
              Autofocus Focuses automatically while shootting video
              Lowest price Is slightly more expensive
              Thickness Is thicker
              Nikon D7100

              Nikon D7100

              Entry-level DSLR

              $897 - $1,097 body only

              $1,197 - $1,240 with 18-140mm lens

              Screen size Has a slightly larger screen
              Screen resolution Has a slightly higher resolution screen
              Thickness Is thicker
              Weight Is slightly heavier
              Nikon D7000

              Nikon D7000

              Entry-level DSLR

              $625 body only

              $679 - $1,025 with 18-55mm lens

              Dynamic range Has slightly wider dynamic range
              Lens availability Slightly more lenses available
              Thickness Is thicker
              Weight Is significantly heavier
              Canon Rebel T3i

              Canon Rebel T3i

              Entry-level DSLR

              $499 - $550 body only

              $549 - $630 with 18-55mm lens

              Lens availability Slightly more lenses available
              Built-in flash Has a built-in flash
              Thickness Is thicker
              Weight Is slightly heavier
              Sony A7

              Sony A7

              Mirrorless interchangeable-lens

              $1,298 - $2,098 body only

              $1,598 with 28-70mm lens

              Overall image quality Has slightly better image quality
              Screen resolution Has a slightly higher resolution screen
              Lowest price Is slightly more expensive
              Lens availability Slightly fewer lenses available
              Canon Rebel T5i

              Canon Rebel T5i

              Entry-level DSLR

              $599 - $699 body only

              $597 - $700 with 18-55mm lens

              HDR Has in-camera HDR
              Lens availability Slightly more lenses available
              Thickness Is thicker
              Weight Is slightly heavier

              Canon EOS 5D Mark II Competitors

              Advantages

              Disadvantages

              Canon EOS 6D

              Canon EOS 6D

              Pro DSLR

              $1,519 - $1,899 body only

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

              HDR Has in-camera HDR
              GPS Has a GPS
              Shutter lag More shutter lag
              Viewfinder coverage Less viewfinder coverage
              Canon EOS 5D Mark III

              Canon EOS 5D Mark III

              Pro DSLR

              $3,099 - $3,399 body only

              $3,699 - $3,999 with 24-105mm lens

              HDR Has in-camera HDR
              Cross type focus points Significantly more cross-type focus points
              Dynamic range Less dynamic range
              Weight Heavier
              Nikon D700

              Nikon D700

              Pro DSLR

              $4,337 body only

              Built-in focus motor Has a built-in focus motor
              Focus points More focus points
              Movie format Does not take movies
              True resolution Significantly lower true resolution
              Canon EOS 60D

              Canon EOS 60D

              Pro DSLR

              $699 - $1,000 body only

              $959 - $1,182 with 18-135mm lens

              Screen flips out Has a flip-out screen
              Battery life Longer battery life
              Overall image quality Worse image quality
              Weather sealed No weather sealing

              Olympus OM-D E-M5 Competitors

              Advantages

              Disadvantages

              Olympus OM-D E-M10

              Olympus OM-D E-M10

              Mirrorless interchangeable-lens

              $550 - $600 body only

              $699 - $700 with 14-42mm lens

              Screen resolution Much higher resolution screen
              Panorama Can create panoramas in-camera
              Screen type Doesn't have an OLED screen
              Weather sealed No weather sealing
              Olympus OM-D E-M1

              Olympus OM-D E-M1

              Mirrorless interchangeable-lens

              $1,068 - $1,319 body only

              $1,683 - $2,099 with 12-40mm lens

              Screen resolution Much higher resolution screen
              Panorama Can create panoramas in-camera
              Screen type Doesn't have an OLED screen
              3D Doesn't take 3D photos
              Sony Alpha A6000

              Sony Alpha A6000

              Mirrorless interchangeable-lens

              $448 body only

              $575 - $600 with 16-50mm lens

              Focus points Many more focus points
              Supports 24p Supports 24p
              Screen type Doesn't have an OLED screen
              Weather sealed No weather sealing
              Panasonic Lumix DMC-GX7

              Panasonic Lumix DMC-GX7

              Mirrorless interchangeable-lens

              $478 - $529 body only

              $590 - $798 with 14-42mm lens

              Supports 24p Supports 24p
              Screen resolution Significantly higher resolution screen
              Screen type Doesn't have an OLED screen
              Weather sealed No weather sealing
              Olympus Pen E-P5

              Olympus Pen E-P5

              Mirrorless interchangeable-lens

              $799 - $800 body only

              $880 - $1,300 with 17mm lens

              Screen resolution Significantly higher resolution screen
              Panorama Can create panoramas in-camera
              Screen type Doesn't have an OLED screen
              Weather sealed No weather sealing

              appearance

              Canon EOS 5D Mark II Olympus OM-D E-M5
              Canon EOS 5D Mark II Olympus OM-D E-M5
              Canon EOS 5D Mark II Olympus OM-D E-M5

              discussion

              Canon EOS 5D Mark II
              EOS 5D Mark II
              Canon

              Report a correction
              Olympus OM-D E-M5
              OM-D E-M5
              Olympus

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