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A comment on Pine64 Unveils Quartz64 SBC. Parent comment

Re:Pine64 Unveils Quartz64 SBC by ac29 on Tuesday February 16, 2021 @06:07PM (#26159979)
A quad-A55 is a surprisingly performant board - not a desktop replacement, but certainly more than a fancy microcontroller. Keep in mind this SoC is also clocked 20% faster than the RPi4. Not enough to make it faster overall, but enough to substantially close the gap.
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Re:Pine64 Unveils Quartz64 SBC by StillBored on Tuesday February 16, 2021 @07:39PM (#26161027)
There is a newer SoC revision on the newer rpi's. For example the rpi400 comes at 1.8Ghz base.

Even so, it seems the 1.5Ghz is more about running the system without a heatsink. Give one a heatsink and they run at over 2Ghz. The perf bump from 1.5 to 2.2Ghz is not insignificant.

https://www.jeffgeerling.com/blog/2020/raspberry-pi-400-can-...

https://hothardware.com/reviews/hot-clocked-pi-raspberry-pi-...

Also: Arm itself says the A55 is ~18% faster than the a53. So, its still quite slow.

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