Exploring the Differences Between Pixel 7 and Pixel 7a: A Closer Look at the Tensor SoC

The recent release of the Pixel 7a has sparked conversations about the performance of Google’s Tensor System-on-Chip (SoC). While the Tensor G2 SoC used in the Pixel 7a has received some criticism, an interesting discovery by leaker @Za_Raczke has shed light on a notable difference between the Pixel 7a’s Tensor G2 variant and the variant used in the Pixel 7.

Unveiling the Difference: IPOP vs. FOPLOP Packaging

@Za_Raczke’s findings have brought attention to an intriguing dissimilarity between the Pixel 7a and Pixel 7’s Tensor G2 variants. The Pixel 7a’s Tensor G2 employs Interposer Package on Package (IPOP), an older packaging method introduced back in 2008. In contrast, the Pixel 7 utilizes Fan Out Panel Level Packaging (FOPLOP), a more recent packaging technique introduced in 2020. This difference in packaging methods piques curiosity and prompts further examination.

The Advantages of FOPLOP

As we explore the discrepancy between IPOP and FOPLOP, it becomes apparent that FOPLOP offers superior electrical and thermal performance along with higher transistor density. Renowned leaker RGCloudS weighs in on the matter, supporting FOPLOP as the better option. Its improved electrical and thermal performance contributes to enhanced overall functionality and efficiency.

Real-World Performance Comparison

Although the difference in packaging methods suggests potential performance discrepancies, our comprehensive reviews of both the Pixel 7 and Pixel 7a reveal that the real-world impact is minimal. While the Pixel 7a tends to generate more heat (reaching temperatures of up to 48.3 °C/119 F) compared to the Pixel 7 (reaching temperatures of up to 43.2 °C/110 F), it’s crucial to consider that these devices employ different cooling mechanisms. When evaluating their overall performance, the variance is negligible, indicating that the packaging method does not significantly affect day-to-day usage.

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Summary

While the difference in packaging methods between the Pixel 7a and Pixel 7’s Tensor G2 SoC may raise eyebrows, our in-depth reviews demonstrate that the impact on real-world performance is minimal. The utilization of IPOP or FOPLOP packaging does not substantially affect the overall user experience. However, for tech enthusiasts and those fascinated by the intricacies of smartphone technology, these differences provide valuable insights into the advancements and optimizations made in SoC development.