SD90, your examples only show that the GH3 is softer, and that means nothing.
I always say that. Too much contrast, too much saturation and oversharpening are great ways to fool the consumer.
Check that out:
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Check out how the 2 cameras render that rock. The transition between the highlight area and the midtone area is pretty bad in the olympus. You can also see oversharpening. Look how fine the detail of the GH3 is. It has much more detail - thats the result of a better resolution. If you like sharp images, you can increase the sharpening in the GH3. That way you will have more detail, resolution and sharpness than the Olympus.
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Again, look at the textures. The GH3 renders really fine details, while the Olympus looks too much digital.
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Thats one of the best examples. Look how both cameras render the grass. The GH3 looks FAR superior. Its pretty clear.
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Again, look at the fine textures. The GH3 has a much better resolution. The Olympus is so oversharpened that you can even see the halos around the details.
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Look how much more shadow detail you have on the GH3. And you have less blown out highlights
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Again, fine details on the GH3. Oversharpening and lower resolution on the Olympus.
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Important thing: if you are watching this video in youtube without going full screen, you wont see the oversharpening and the lower resolution. Doing that you can be fooled by the oversharpening thinking that the Olympus is better. Once you go fullscreen, its pretty easy to see the differences. If you watch that video in a big screen TV its even better. Without youtube compression the difference is probably bigger.
The GH3 is, without a doubt, superior.