I think a04 has overheating problems too, with 2mm thermal pad and 2mm SSD heatsink, you should be fine someone use to do that A04 /proc/cpuinfo only showing 2 cores (should have 4) - #21 by ehm.education , I’ve just made an order, pure copper heatsing and thermal pads to test.
Did you see the back plastic case bending where the stock heatsink is like me?