The big upgrade is that the G6 moves on from Samsung’s Exynos modems and instead uses a MediaTek M90 modem.
The Tensor G6 is rumored to feature the same PowerVR DXT-48-1536 GPU as the G5, but it should still be an improvement over the Mali-G715 in the Tensor G4. The Pixel 10a shipped with a last gen processor. | Photo: Dominic Preston / The Verge
Mystic Leaks suggests that the Pixel 11a will return to featuring a flagship-grade processor with the Tensor G6. That was a huge disappointment since, typically, the Pixel a lineup kept the modern processor, but cut corners in other places to keep costs down.