differences

Advantages of the Canon A590 IS

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Image stabilization
Image stabilization
  1. Lens
vs None
Help
Helps eliminate blur caused by small camera movements
Aperture
Wider aperture
f/2.6 vs f/2.8
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At its widest zoom, the A590 IS's lens captures marginally more light (0.2 f-stops)
Size
Slightly smaller
94×65×41 mm vs 109×66×49 mm
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Around 30% smaller
Weight
Lighter
225 g vs 315 g
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Around 30% lighter
Light sensitivity
Better maximum light sensitivity
1,600 ISO vs 800 ISO
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The A590 IS's maximum light sensitivity is 2 f-stops better
Thickness
Slightly thinner
1.6" vs 1.9"
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Around 20% thinner
Canon PowerShot A590 IS Learn more about
the Canon A590 IS

Advantages of the Canon A640

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Screen flips out
Has a flip-out screen
Yes vs No
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Flip-out screens can be helpful when composing tricky shots or taking movies
External flash
Supports an external flash
Yes vs No
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An external flash often produces better looking flash images
True resolution
Higher true resolution
10 MP vs 8 MP
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Capture more than 20% more detail in your photos
Sensor size
Larger sensor
1/1.8" 7.18x5.32mm vs 1/2.5" 5.75x4.31mm
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More than 50% larger sensor
Fastest shutter speed
Faster max shutter speed
1/2500s vs 1/2000s
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20% faster max shutter speed
Canon PowerShot A640 Learn more about
the Canon A640
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recommendations

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

Snapsort Recommends
Canon PowerShot A590 IS Canon PowerShot A590 IS 40
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        38 Canon PowerShot A640 Canon PowerShot A640
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              similarities

              Compared to recent digicams

              Common Strengths
              Aperture Wide aperture Help
              A590 ISf/2.6
              A640f/2.8
              Viewfinder Both have tunnel viewfinders Help
              Tunnel
              Common Weaknesses
              Sensor type Lower-end sensor types Help
              CCD
              Screen resolution Low resolution screens Help
              115k dots
              Wide angle Poor wide angle Help
              35 mm
              Continuous shooting Slow continuous shooting Help
              A590 IS1.4 fps
              A6401.5 fps
              Light sensitivity Poor maximum light sensitivity Help
              A590 IS1,600 ISO
              A640800 ISO
              Touch screen No touchscreens Help
              More buttons
              Screen size Very small screens Help
              2.5"
              True resolution Capture low resolution images Help
              A590 IS8 MP
              A64010 MP

              appearance

              Canon PowerShot A590 IS Canon PowerShot A640
              Canon PowerShot A590 IS Canon PowerShot A640
              Canon PowerShot A590 IS Canon PowerShot A640

              discussion

              Canon PowerShot A590 IS
              PowerShot A590 IS
              Canon

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              Canon PowerShot A640
              PowerShot A640
              Canon

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