Updated (April, 2014): Compare the Olympus OM-D E-M5 vs Sony SLT A77 II

Sony SLT A77

Winner
Sony SLT-A77

58

vs

Olympus OM-D E-M5

52

Olympus OM-D E-M5

Runner-up
     
 

Reasons to buy the Sony SLT A77

Image stabilization
Image stabilization
Sensor shift
True resolution
High true resolution
24 MP
Weather sealed
Weather sealed
Shoot in extreme weather
Supports 24p
24p movies
For that film look
 

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 | Recommendations | Cast your vote | Similarities | Competitors | Appearance | Discussion

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
Size Significantly smaller 122x89x43 mm vs 143x104x81 mm
Help
2.6x smaller
Startup delay Much less startup delay 1100 ms vs 3100 ms
Help
2.8x less delay when turning on
Touch screen Has a touch screen Yes vs No
Help
Fewer buttons to worry about and direct interaction with camera menus
Weight Significantly lighter 425 g vs 732 g
Help
More than 40% lighter
Thickness Significantly thinner 1.7" vs 3.2"
Help
Around 50% thinner
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
Focus points More focus points 35 vs 19
Help
Set focus accurately within the frame
Lowest price Cheaper $799.00 vs $1,298.00
Help
The best price we've seen is $499 cheaper (around 40% less)
Longest exposure Longer exposures 60s vs 30s
Help
2x longer exposures
Olympus OM-D E-M5 Learn more about
the Olympus E-M5

Advantages of the Sony SLT A77

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Autofocus Faster video autofocus Phase detection vs Contrast detection
Help
Shoot videos without worrying about focus
Autofocus Faster autofocus Phase detection vs Contrast detection
Help
Catch candid moments easily
Supports 24p Supports 24p Yes vs No
Help
Get that real film feel
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
Screen resolution Higher resolution screen 921k dots vs 610k dots
Help
More than 50% higher resolution screen
True resolution Significantly higher true resolution 24 MP vs 15.9 MP
Help
Capture more than 50% more detail in your photos
GPS Has a GPS Yes vs No
Help
Automatically geotags your photos when traveling
Overall image quality Better image quality 78.0 vs 71.0
Help
Around 10% better image quality
Shutter lag Significantly less shutter lag 124 ms vs 277 ms
Help
2.2x less delay when taking photos
Lens availability More lenses available 123 lenses vs 40 lenses
Help
More than 3x more lenses available
Sensor size Larger sensor APS-C 23.5x15.6mm vs Four thirds 17.3x13.0mm
Help
More than 60% larger sensor
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
Sensor type Has a CMOS-family sensor CMOS vs LIVEMOS
Help
CMOS-family sensors often produce better quality images
Dynamic range More dynamic range 13.2 EV vs 12.3 EV
Help
0.9 f-stops more dynamic range
Continuous shooting Shoots faster 12 fps vs 9 fps
Help
More than 30% faster continuous shooting
Color depth Better color depth 24 bits vs 22.8 bits
Help
Distinguishes 1.2 more bits of color
Viewfinder size Slightly larger viewfinder 0.72x vs 0.44x
Help
More than 2.5x larger viewfinder
Battery life Slightly longer battery life 530 shots vs 500 shots
Help
Around 10% more shots per battery charge
Sony SLT-A77 Learn more about
the Sony SLT A77
vs

recommendations

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

Snapsort Recommends
Olympus OM-D E-M5 Olympus OM-D E-M5 52
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        58 Sony SLT A77 Sony SLT-A77
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              similarities

              Compared to recent digital cameras

              Common Strengths Common Weaknesses
              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
              3D Both can take 3D photos, many cameras like these don't Help
              View photos in 3D on 3D televisions
              Screen flips out Flip-out screens Help
              Great for movies
              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
              E-M5:15.9 MP
              SLT A77:24 MP
              Movie continuous focus Focus continuously recording movies Help
              Makes it easy to get in-focus movies
              Battery life Great battery life Help
              E-M5:500 shots
              SLT A77:530 shots
              Supports RAW Supports RAW Help
              Better editing
              Sensor size Large sensors Help
              E-M5:Four thirds 17.3x13.0mm
              SLT A77:APS-C 23.5x15.6mm
              Sensor cleaning Self cleaning sensors Help
              Avoids dust in your photos
              External flash Support external flash Help
              Better lighting
              Viewfinder Both have digital viewfinders Help
              Digital
              Lowest price Very expensive Help
              E-M5:$799.00
              SLT A77:$1,298.00
              Weight Heavy Help
              E-M5:425 g
              SLT A77:732 g

              dxomark

              DXOMark

              competitors

              Shared Competitors

              Advantages

              Disadvantages

              Nikon D7100

              Nikon D7100

              Entry-level DSLR

              $1,047 body only

              $1,347 with 18-140mm lens

              Screen size Has a slightly larger screen
              Screen resolution Has a slightly higher resolution screen
              Thickness Is thicker
              Weight Is significantly heavier
              Sony Alpha A6000

              Sony Alpha A6000

              Mirrorless interchangeable-lens

              $598 - $648 body only

              $748 - $799 with 16-50mm lens

              Low light performance Is slightly less noisy at high ISO
              Focus points Has much more focus points
              3D Doesn't take 3D photos
              External mic jack Lacks and external mic jack
              Canon EOS 70D

              Canon EOS 70D

              Pro DSLR

              $999 - $1,231 body only

              $1,149 with 18-55mm lens

              Startup delay Has slightly less startup delay
              Lens availability Slightly more lenses available
              Thickness Is thicker
              Weight Is significantly heavier
              Nikon D5300

              Nikon D5300

              Entry-level DSLR

              $747 body only

              $659 - $847 with 18-55mm lens

              Screen size Has a slightly larger screen
              Startup delay Has slightly less startup delay
              Thickness Is thicker
              Viewfinder coverage Significantly less viewfinder coverage
              Nikon D7000

              Nikon D7000

              Entry-level DSLR

              $1,699 with 18-200mm lens

              Startup delay Has slightly less startup delay
              Lens availability Slightly more lenses available
              Lowest price Is significantly more expensive
              Thickness Is thicker
              Sony A7

              Sony A7

              Mirrorless interchangeable-lens

              $1,498 - $2,098 body only

              $1,798 - $1,800 with 28-70mm lens

              Overall image quality Has slightly better image quality
              Low light performance Is significantly less noisy at high ISO
              Lowest price Is slightly more expensive
              3D Doesn't take 3D photos
              Canon EOS 60D

              Canon EOS 60D

              Pro DSLR

              $699 body only

              $999 - $1,182 with 18-135mm lens

              Startup delay Has slightly less startup delay
              Lens availability Slightly more lenses available
              Thickness Is thicker
              Weight Is significantly heavier

              Olympus OM-D E-M5 Competitors

              Advantages

              Disadvantages

              Olympus OM-D E-M10

              Olympus OM-D E-M10

              Mirrorless interchangeable-lens

              $649 body only

              $749 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

              $1,299 - $1,399 body only

              $1,820 - $2,100 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
              Panasonic Lumix DMC-GX7

              Panasonic Lumix DMC-GX7

              Mirrorless interchangeable-lens

              $698 - $731 body only

              $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
              Fujifilm X-T1

              Fujifilm X-T1

              Mirrorless interchangeable-lens

              $1,299 body only

              $1,899 with 18-135mm 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
              Fujifilm X-E2

              Fujifilm X-E2

              Mirrorless interchangeable-lens

              $799 body only

              $1,099 with 18-55mm 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

              Sony SLT-A77 Competitors

              Advantages

              Disadvantages

              Sony SLT A77 II

              Sony SLT A77 II

              Pro DSLR

              $1,048 body only

              $1,648 with 16-50mm lens

              Screen resolution Higher resolution screen
              Focus points Significantly more focus points
              GPS No built-in GPS
              Battery life Shorter battery life
              Canon EOS 7D

              Canon EOS 7D

              Pro DSLR

              $999 - $1,100 body only

              $1,299 with 18-135mm lens

              Startup delay Much less startup delay
              Battery life Longer battery life
              Autofocus Lacks video autofocus
              Image stabilization No image stabilization
              Sony SLT-A65

              Sony SLT A65

              Entry-level DSLR

              $675 body only

              $772 with 18-55mm lens

              Size Smaller
              Startup delay Less startup delay
              Weather sealed No weather sealing
              Overall image quality Slightly worse image quality
              Sony SLT-A99

              Sony SLT-A99

              Pro DSLR

              $1,998 body only

              $3,198 with 28-75mm lens

              Startup delay Much less startup delay
              Sensor size Much larger sensor
              3D Doesn't take 3D photos
              Continuous shooting Shoots slower

              appearance

              Olympus OM-D E-M5 Sony SLT-A77
              Olympus OM-D E-M5 Sony SLT-A77
              Olympus OM-D E-M5 Sony SLT-A77

              discussion

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

              Report a correction
              Sony SLT-A77
              SLT A77
              Sony

              Report a correction

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