Is this Pokémon Emerald cartridge fake?

I bought this cartridge of Pokémon Emerald in a thrift shop. The seller wasn't sure himself about the cartridge, but I bought it anyway.

Playing it, there doesn't seems to be any difference in-game, so I can't differentiate based on the content.

What make me still think it is fake is that chip at the very left side, the second largest one. Even then it looks like everything is authentic.

It looks like they ran out of a certain chip at the factory and said 'screw it' and used a different type. You can even see the lines are for the authentic one and so they just made the wires longer.

Is this cartridge real or fake?

^{Click for larger images}

This appears to be a legitimate card with a newer (SRAM) chip.

Other sites identify similar Pokemon Ruby chip as legitimate

And another identifies a similar chip as well (Note in the following image, only the upper card is legitimate, but has the same smaller chip style on the right)

The board is designed to take two different form factors for the component.

If you look at the PCM, you will see a smaller white box which matches where the chip is, and the parallel tracks are on the board, under the white marking.

If you look at the marking for the box you will see it is for 1M/512K flash. I don't know if the form factors are related to the size of the flash, or the providers.

Aa to the difference in gameplay between this and Ruby and Saphire, the pokemon have an animation at the start of the battle, and you capture a green dragon instead of a red or blue one.