In terms of overall gaming performance, the graphical capabilities of the Intel HD M3-6Y30 are massively better than the Intel HD i5 M430.

The HD M3-6Y30 was released over three years more recently than the HD i5 M430, and so the HD M3-6Y30 is likely to have far better driver support, meaning it will be much more optimized and ultimately superior to the HD i5 M430 when running the latest games.

The HD M3-6Y30 and the HD i5 M430 have the same amount of video memory, but are likely to provide slightly different experiences when displaying game textures at high resolutions.

The HD M3-6Y30 has 12.8 GB/sec greater memory bandwidth than the HD i5 M430, which means that the memory performance of the HD M3-6Y30 is slightly better than the HD i5 M430.

The HD M3-6Y30 has 24 Shader Processing Units and the HD i5 M430 has 12. However, the actual shader performance of the HD M3-6Y30 is 163 and the actual shader performance of the HD i5 M430 is 15. The HD M3-6Y30 having 148 better shader performance and an altogether better performance when taking into account other relevant data means that the HD M3-6Y30 delivers a slightly smoother and more efficient experience when processing graphical data than the HD i5 M430.

The HD M3-6Y30 requires 5 Watts to run and the HD i5 M430 requires 35 Watts. The HD i5 M430 requires 30 Watts more than the HD M3-6Y30 to run. The difference is not significant enough for the HD i5 M430 to have a noticeably larger impact on your yearly electricity bills than the HD M3-6Y30.