• APS-C 369.7mm2
  • 16.1 megapixels
  • ISO 100 - 16,000
  • APS-C 366.6mm2
  • 24.3 megapixels
  • ISO 100 - 25,600

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Differences

Sony A37 advantages over Sony A5100

  • Eye-level viewfinder
    Eye-level vs Rear display only
    You'll be able to frame photos even when the sun is out
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Bigger pixels
    ~ 4.82 vs 3.92 microns
    Better low-light and dynamic range (all else equal)
  • Fast startup
    ~0.90 vs 2.0 sec
    Faster startup lets you catch the moment
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Hot shoe
    Hot shoe vs None
    Off-camera flashes open new possibilities
  • Less shutter lag
    0.11 vs 0.23 sec
    Focus and take a photo quickly (wide angle)

Sony A5100 advantages over Sony A37

  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • Higher effective ISO
    1,347 vs 799 iso
    Take photos in low light with less noise
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Thinner
    35 mm vs 84 mm
    Thinner
  • Newer
    5 years vs 8 years old
    Newer cameras often support more advanced features
  • Lighter weight
    399g vs 726g
    Lighter weight
  • Higher-res screen
    230k vs 77k pixels
    More detail on the screen lets you judge focus and composition
  • More pixels
    24.3 vs 16.1 megapixels
    Higher resolution photos
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Wider angle kit lens
    24 mm vs 27 mm
    Capture more of the scene with the included lens
  • Bigger JPEG buffer
    67 vs 10 shots
    Take more JPEG shots before waiting (burst mode)

Similarities

Common Strengths

  • Focus peaking
    Both provide
    Your camera will highlight what's in focus
  • In-camera panoramas
    Both provide
    Stitches multiple shots into a panoramic photo
  • Tiltable Screen
    Both provide
    Tilt the screen for shooting flexbility
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • HDMI out
    Both provide
    Use HDMI output to monitor or review video
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures

Common Weaknesses

  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • Built-in GPS
    Neither provide
    Geotag your photos
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera
  • Dual card slots
    Neither provide
    Gives you more storage flexibility
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

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Your purchases support this site

Your purchases support this site

Buy the Sony A5100

Review Excerpt

  • Very small and comfortable form factor; Very good image quality for its class; New dual video record function; Quick autofocus and good dynamic range.

  • Lacks an EVF and external mode dial; No hot shoe; JPEG processing at higher ISOs not as good as some competing mid-level models.

The Competition

Compared to Sony A57

Sony A37
Sony A57
  • $600
  • APS-C
  • Less expensive
  • External Mic Jack
  • $800
  • APS-C
  • Longer stills battery life
  • Higher-res screen
Sony A5100
Sony A57
  • $348
  • APS-C
  • Touchscreen
  • Built-in Wi-Fi
  • $800
  • APS-C
  • Eye-level viewfinder
  • In-Camera Image Stabilization

Compared to Pentax K-5 IIs

Sony A37
Pentax K-5 IIs
  • $600
  • APS-C
  • Focus peaking
  • In-camera panoramas
  • $497
  • APS-C
  • Lens selection
  • Fast startup
Sony A5100
Pentax K-5 IIs
  • $348
  • APS-C
  • Focus peaking
  • Touchscreen
  • $497
  • APS-C
  • Lens selection
  • Eye-level viewfinder

Compared to Sony A58

Sony A37
Sony A58
  • $600
  • APS-C
  • Fast startup
  • More viewfinder magnification
  • $489
  • APS-C
  • Longer stills battery life
  • Higher-res screen
Sony A5100
Sony A58
  • $348
  • APS-C
  • Touchscreen
  • Built-in Wi-Fi
  • $489
  • APS-C
  • Less expensive
  • Eye-level viewfinder

Compared to Samsung NX1100

Sony A37
Samsung NX1100
  • $600
  • APS-C
  • Lens selection
  • Focus peaking
  • $450
  • APS-C
  • Built-in Wi-Fi
  • Thinner
Sony A5100
Samsung NX1100
  • $348
  • APS-C
  • Lens selection
  • Focus peaking
  • $450
  • APS-C
  • Higher-res screen
  • Hot shoe

Compared to Sony A5000

Sony A37
Sony A5000
  • $600
  • APS-C
  • Eye-level viewfinder
  • In-Camera Image Stabilization
  • $298
  • APS-C
  • Built-in Wi-Fi
  • NFC
Sony A5100
Sony A5000
  • $348
  • APS-C
  • Touchscreen
  • Higher effective ISO
  • $298
  • APS-C
  • Less expensive
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