• 1/2.3 inch 28.1mm2
  • 10.0 megapixels
  • 35.00mm - 105.00mm (35mm eq.)
  • 1/1.7 inch 43.3mm2
  • 12.4 megapixels
  • ISO 100 - 12,800

Buy From

Differences

Canon SD790 IS advantages over Pentax Q-S1

  • Less expensive
    $350 vs $500 (MSRP)
    Save money for lenses or accessories
  • Longer stills battery life
    More info 330 vs 250 shots
    Capture more photos
  • Thinner
    20 mm vs 34 mm
    Thinner
  • Bigger JPEG buffer
    Unlimited vs 5 shots
    Take more JPEG shots before waiting (burst mode)

Pentax Q-S1 advantages over Canon SD790 IS

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Larger sensor
    1/1.7 inch vs 1/2.3 inch
    More sensor area. Bigger is (generally) better.
  • RAW file ability
    Yes vs No
    Gives you more flexibility to develop your photos later
  • Manual focus
    Yes vs No
    AF is for the weak. Real photographers focus manually.
  • Higher max flash sync
    1/2000 vs 1/500 sec
    Reduce the effect of ambient light in flash shots
  • Newer
    4 years vs 10 years old
    Newer cameras often support more advanced features
  • HDMI out
    HDMI out vs None
    Use an external screen to monitor or review video
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • More dots on screen
    460k vs 230k dots
    Can mean greater resolution or a brighter screen
  • Hot shoe
    Hot shoe vs None
    Off-camera flashes open new possibilities
  • Shoots 1080p video
    Yes vs No
    You'll want this if you shoot video
  • More pixels
    12.4 vs 10.0 megapixels
    Higher resolution photos
  • Longer exposure
    30 vs 15 sec
    Long exposures for night shots
  • Bulb shutter
    Bulb vs No bulb
    Hold the shutter open manually for long exposures
  • Faster JPEG shooting
    5.0 fps vs 1.3 fps
    Faster JPEG shooting (burst mode)
  • Faster shutter
    1/8000 vs 1/1500 sec
    Shoot wide open in bright light
  • Higher extended ISO
    12800 vs 3200 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • Rear display
    Both provide
    Review photos on the back of the camera
  • In-Camera Image Stabilization
    Both provide
    Reduces the effects of camera shake at slower shutter speeds
  • Internal flash
    Both provide
    Useful in a pinch for fill flash

Common Weaknesses

  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • Eye-level viewfinder
    Neither provide
    You'll be able to frame photos even when the sun is out
  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • Tiltable Screen
    Neither provide
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Neither provide
    Share your photos wirelessly
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • Built-in GPS
    Neither provide
    Geotag your photos
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • Integrated ND filter
    Neither provide
    Shoot in daylight with a large aperture or slow shutter
  • External Mic Jack
    Neither provide
    Improved sound fidelity when shooting video
  • 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

Buy From

Review Excerpt

The Competition

Compared to Panasonic DMC-FX35

Canon SD790 IS
Panasonic DMC-FX35
  • $201
  • 1/2.3 inch
  • Fast startup
  • Less shutter lag
  • $350
  • 1/2.33 inch
  • Wider angle lens
  • Longer exposure
Pentax Q-S1
Panasonic DMC-FX35
  • $350
  • 1/1.7 inch
  • Focus peaking
  • Larger sensor
  • $350
  • 1/2.33 inch
  • Less expensive
  • Thinner

Compared to Canon SD770 IS

Canon SD790 IS
Canon SD770 IS
  • $201
  • 1/2.3 inch
  • Less shutter lag
  • Higher extended ISO
  • $212
  • 1/2.3 inch
  • Less expensive
  • Eye-level viewfinder
Pentax Q-S1
Canon SD770 IS
  • $350
  • 1/1.7 inch
  • Focus peaking
  • Larger sensor
  • $212
  • 1/2.3 inch
  • Less expensive
  • Eye-level viewfinder

Compared to Canon SD880 IS

Canon SD790 IS
Canon SD880 IS
  • $201
  • 1/2.3 inch
  • $300
  • 1/2.3 inch
  • Less expensive
  • Manual focus
Pentax Q-S1
Canon SD880 IS
  • $350
  • 1/1.7 inch
  • Focus peaking
  • Larger sensor
  • $300
  • 1/2.3 inch
  • Less expensive
  • Longer stills battery life

Compared to Pentax Q7

Canon SD790 IS
Pentax Q7
  • $201
  • 1/2.3 inch
  • Longer stills battery life
  • Thinner
  • $195
  • 1/1.7 inch
  • Focus peaking
  • Larger sensor
Pentax Q-S1
Pentax Q7
  • $350
  • 1/1.7 inch
  • $195
  • 1/1.7 inch

Compared to Nikon S2

Canon SD790 IS
Nikon S2
  • $201
  • 1/2.3 inch
  • Less expensive
  • In-Camera Image Stabilization
  • $399
  • 1 inch
  • Larger sensor
  • Bigger pixels
Pentax Q-S1
Nikon S2
  • $350
  • 1/1.7 inch
  • Focus peaking
  • In-Camera Image Stabilization
  • $399
  • 1 inch
  • Larger sensor
  • Bigger pixels
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