Olympus E-330 vs Sony A77

Here is a complete review of the Olympus E-330 vs Sony A77, both Advanced DSLR cameras by rivals Olympus and Sony. There is a large difference among the sensor resolutions of the E-330 (7MP) and A77 (24MP) and the E-330 (Four Thirds) and A77 (APS-C) use different sensor sizing.

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The E-330 was manufactured 6 years before the A77 and that is a fairly serious difference as far as camera tech is concerned. Both of the cameras offer the identical body type (Mid-size SLR).

Before delving straight into a step-by-step comparison, below is a concise summation of how the E-330 matches up against the A77 with regards to portability, imaging, features and an overall rating.

Following is a preview of the gallery images for Olympus E-330 & Sony SLT-A77. The entire galleries are provided at Olympus E-330 Gallery & Sony A77 Gallery.

For anyone who is aiming to carry your camera regularly, you'll need to factor in its weight and volume. The Olympus E-330 comes with physical measurements of 140mm x 87mm x 72mm (5.5" x 3.4" x 2.8") and a weight of 616 grams (1.36 lbs) whilst the Sony A77 has sizing of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") along with a weight of 732 grams (1.61 lbs).

Check the Olympus E-330 vs Sony A77 in our brand new Camera & Lens Size Comparison Tool.

Do not forget, the weight of an ILC will change based on the lens you have attached during that time. Here is the front view measurement comparison of the E-330 vs the A77.

Taking into consideration size and weight, the portability grade of the E-330 and A77 is 65 and 59 respectively.

Usually, it is very difficult to visualize the gap in sensor sizing only by looking through a spec sheet. The graphic below will provide you a clearer sense of the sensor measurements in the E-330 and A77.

Clearly, both of these cameras enjoy different resolutions and different sensor sizing. The E-330 featuring a smaller sensor is going to make achieving shallower depth of field trickier and the Sony A77 will provide you with more detail due to its extra 17MP. Higher resolution can also help you crop shots far more aggressively. The older E-330 will be disadvantaged when it comes to sensor technology.