Updated (March, 2013): Compare the Olympus OM-D E-M5 vs Sony NEX-7n

Olympus OM-D E-M5

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Olympus OM-D E-M5

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Sony NEX-7

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Sony NEX-7

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Reasons to buy the Olympus OM-D E-M5

Image stabilization
Image stabilization
Sensor shift
Touch screen
Touch screen
Less buttons
Weather sealed
Weather sealed
Shoot in extreme weather
OLED Screen
Screen type
Bright and vivid
 

Reasons to buy the Sony NEX-7

True resolution
High true resolution
24 MP
Supports 24p
24p movies
For that film look
Viewfinder coverage
Great viewfinder coverage
100%
HDR
In-camera HDR
Combines multiple exposures
 

differences

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
Image stabilization
Image stabilization
Sensor shift vs None
Help
Helps eliminate blur caused by small camera movements
Weather sealed
Weather sealed
Yes vs No
Help
Sealed to shoot in the rain
Touch screen
Has a touch screen
Yes vs No
Help
Fewer buttons to worry about and direct interaction with camera menus
Lens availability
Significantly more lenses available
40 lenses vs 21 lenses
Help
More than 90% more lenses available
Battery life
Longer battery life
500 shots vs 430 shots
Help
Around 20% more shots per battery charge
Longest exposure
Much longer exposures
60s vs 30s
Help
2x longer exposures
Light sensitivity
Better maximum light sensitivity
25,600 ISO vs 16,000 ISO
Help
The E-M5's maximum light sensitivity is 0.7 f-stops better
Startup delay
Slightly less startup delay
1100 ms vs 1200 ms
Help
Around 10% less delay when turning on
Focus points
Slightly more focus points
35 vs 25
Help
Set focus accurately within the frame
Lowest price
Slightly cheaper
$649.99 vs $729.84
Help
The best price we've seen is $80 cheaper (more than 10% less)
Olympus OM-D E-M5 Learn more about
the Olympus E-M5

Advantages of the Sony NEX-7

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Panorama
Can create panoramas in-camera
Yes vs No
Help
Stitches together multiple photos for a wide perspective
HDR
Has in-camera HDR
Yes vs No
Help
Combines multiple exposures to capture high dynamic range
Supports 24p
Supports 24p
Yes vs No
Help
Get that real film feel
Screen resolution
Higher resolution screen
921k dots vs 610k dots
Help
More than 50% higher resolution screen
Overall image quality
Better image quality
81.0 vs 71.0
Help
More than 10% better image quality
True resolution
Significantly higher true resolution
24 MP vs 15.9 MP
Help
Capture more than 50% more detail in your photos
Low light performance
Slightly lower noise at high ISO
1,016 ISO vs 826 ISO
Help
The NEX-7 has a slight edge (0.3 f-stops) in low noise, high ISO performance
Dynamic range
More dynamic range
13.4 EV vs 12.3 EV
Help
1.1 f-stops more dynamic range
Sensor type
Has a CMOS-family sensor
CMOS vs LIVEMOS
Help
CMOS-family sensors often produce better quality images
Sensor size
Larger sensor
APS-C 23.5x15.6mm vs Four thirds 17.3x13.0mm
Help
More than 60% larger sensor
Color depth
Better color depth
24.1 bits vs 22.8 bits
Help
Distinguishes 1.3 more bits of color
Size
Smaller
111x59x38 mm vs 122x89x43 mm
Help
Around 50% smaller
Shutter lag
Less shutter lag
223 ms vs 277 ms
Help
Around 20% less delay when taking photos
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
Weight
Lighter
350 g vs 425 g
Help
Around 20% lighter
Thickness
Thinner
1.5" vs 1.7"
Help
More than 10% thinner
Sony NEX-7 Learn more about
the Sony NEX-7
vs

recommendations

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

Olympus OM-D E-M5 Olympus OM-D E-M5 77
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    Style
      Color
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        77 Sony NEX-7 Sony NEX-7
        Retailer
          Style
            Color
              You save

              similarities

              Compared to recent mirrorless cameras

              Common Strengths
              3D Both can take 3D photos, many cameras like these don't Help
              View photos in 3D on 3D televisions
              External mic jack Have external mic jacks Help
              Record higher quality audio with a microphone
              Viewfinder Both have digital viewfinders Help
              Digital
              Battery life Great battery life Help
              E-M5:500 shots
              NEX-7:430 shots
              Movie continuous focus Focus continuously recording movies Help
              Makes it easy to get in-focus movies
              Screen flips out Flip-out screens Help
              Great for movies
              Sensor cleaning Self cleaning sensors Help
              Avoids dust in your photos
              External flash Each supports an external flash Help
              Better lighting
              Common Weaknesses
              Fastest shutter speed Slow max shutter speed Help
              1/4000 of a second
              Focus points Few focus points Help
              E-M5:35
              NEX-7:25

              dxomark

              DXOMark

              competitors

              Shared Competitors

              Advantages

              Disadvantages

              Sony Alpha A6000

              Sony Alpha A6000

              Mirrorless interchangeable-lens

              $448 body only

              $575 - $600 with 16-50mm lens

              Viewfinder size Slightly larger viewfinder
              Focus points Has much more focus points
              Thickness Is thicker
              Size Is slightly larger
              Sony Alpha NEX-6

              Sony Alpha NEX-6

              Mirrorless interchangeable-lens

              $641 body only

              Viewfinder size Slightly larger viewfinder
              Focus points Has slightly more focus points
              3D Doesn't take 3D photos
              External mic jack Lacks and external mic jack
              Sony A7

              Sony A7

              Mirrorless interchangeable-lens

              $1,298 - $2,098 body only

              $1,598 with 28-70mm lens

              Low light performance Is significantly less noisy at high ISO
              Overall image quality Has slightly better image quality
              Lowest price Is slightly more expensive
              Thickness Is thicker
              Panasonic Lumix DMC-GX7

              Panasonic Lumix DMC-GX7

              Mirrorless interchangeable-lens

              $478 - $529 body only

              $590 - $798 with 14-42mm lens

              Fastest shutter speed Has a faster max shutter speed
              Thickness Is thicker
              Size Is slightly larger
              Nikon D5300

              Nikon D5300

              Entry-level DSLR

              $697 body only

              $599 - $797 with 18-55mm lens

              Screen size Has a slightly larger screen
              Viewfinder Has higher quality type of viewfinder
              Thickness Is thicker
              Weight Is slightly heavier
              Fujifilm X-E2

              Fujifilm X-E2

              Mirrorless interchangeable-lens

              $799 body only

              $1,098 - $1,099 with 18-55mm lens

              Viewfinder size Much larger viewfinder
              Size Is slightly larger
              3D Doesn't take 3D photos
              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 much heavier

              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
              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
              Viewfinder No viewfinder
              Fujifilm X-T1

              Fujifilm X-T1

              Mirrorless interchangeable-lens

              $1,199 - $1,299 body only

              $1,599 with 18-55mm lens

              Screen resolution Significantly higher resolution screen
              Panorama Can create panoramas in-camera
              Screen type Doesn't have an OLED screen
              Image stabilization No image stabilization
              Olympus PEN E-PL5

              Olympus PEN E-PL5

              Mirrorless interchangeable-lens

              $407 with 14-42mm lens

              Panorama Can create panoramas in-camera
              Startup delay Less startup delay
              Screen type Doesn't have an OLED screen
              Viewfinder No viewfinder

              Sony NEX-7 Competitors

              Advantages

              Disadvantages

              Sony NEX-5N

              Sony NEX-5N

              Mirrorless interchangeable-lens

              $299 - $689 body only

              $803 with 16-50mm lens

              Touch screen Has a touch screen
              Battery life Longer battery life
              Viewfinder No viewfinder
              External mic jack Lacks an external mic jack
              Sony Alpha NEX-5

              Sony Alpha NEX-5

              Mirrorless interchangeable-lens

              $473 body only

              $398 - $527 with 16-50mm lens

              Startup delay Slightly less startup delay
              Weight Lighter
              Shutter lag Much more shutter lag
              Viewfinder No viewfinder
              Sony Alpha A5000

              Sony Alpha A5000

              Mirrorless interchangeable-lens

              $298 - $400 with 16-50mm lens

              Weight Lighter
              Lowest price Cheaper
              Screen resolution Significantly lower resolution screen
              Viewfinder No viewfinder
              Sony Alpha A5100

              Sony Alpha A5100

              Mirrorless interchangeable-lens

              $348 body only

              $498 - $650 with 16-50mm lens

              Autofocus Faster autofocus
              Focus points Many more focus points
              Viewfinder No viewfinder
              3D Doesn't take 3D photos

              appearance

              Olympus OM-D E-M5 Sony NEX-7
              Olympus OM-D E-M5 Sony NEX-7
              Olympus OM-D E-M5 Sony NEX-7

              discussion

              Olympus OM-D E-M5
              OM-D E-M5
              Olympus

              Report a correction
              Sony NEX-7
              NEX-7
              Sony

              Report a correction

              Showing 4 comments

              Avatar for Nizmo Nizmo (3:37 PM, June 19, 2013)
              Good luck with it! All these points are nonsense. They should compare the whole system including lenses and after that they should see that OMD smoke NEX big time!

              I bit these rubbish reviews myself and bought NEX5N and NEX6 only to sent these rubbish cameras back and get Oly and never look back.

              Sony is a rubbish brand, check my video:

              http://www.youtube.com/watch?v=R-I1sVYFKKk
               
              kathleen (5:30 AM, May 28, 2013)
              but the nex 7 point is 90 and omd is 89..the nex 7 is a little bit higher..
              thats it im gonna pick nex 7 :D..what do you guys think?
               
              Avatar for عبدالله المعوشرجي عبدالله المعوشرجي (5:03 PM, July 06, 2012)
              There's one advantage for the NEX-7 that's not mentioned here, that it's.. AVAiLABLE! the OM-D is always out of stock or is only available wt prices significantly higher than the suggested retail price. This is a temporary advantage though.
               
              Kibberlasen (5:06 PM, May 10, 2012)
              I was going for the Nex-7, and in some ways (not all)  it is the best camera, but reading different forums it is also a dust magnet, and I have had enough of that, so I go for the Olympus.

              The Olympus has also better AF, they have the best anti-dust system, and it is weather sealed, so the dust-problem of the Nex-7 does it for me - there are reports that even NOT shifted lenses it sucks dust (perhaps the missing weather sealing ?), and even I do know how to clean it I would rather use my time better.