Temperature behavior
The familiar test system (Ryzen 9 3900X on B550 board) was used to determine the temperature behavior. As I already mentioned in the foreword to the build diary, I consider the RTX 3070 Ti with its 300W to be out of place here, so I used an RTX 4060 for this test. To ensure an active airflow, I added two additional 120mm fans (intake) to the single pre-installed case fan (120mm exhaust). As my stock of Arctic P12 fans has run out due to some repairs and upgrades, I have installed two older Noctuas – adjusted down to the speed specified below, the Noctuas used are certainly not far superior to other optional budget fans. The inexpensive Raijintek Eleos Evo air cooler was used to cool the CPU.
General conditions
- Room temperature: 19.8°C
- Case fans fixed: 800 rpm
- CPU fans fixed: 1000 rpm
CPU Torture
Cinebench R23 was again used in the loop for the CPU Torture test. Thanks to the air cooler, only a short warm-up phase was necessary before the temperatures leveled off. With an average temperature of approx. 83°C, the CPU ran at approx. 4000 MHz on all 12 cores for the entire duration of the test, which was slightly below the last tested (and much more expensive) Airflow monsters.
Gaming
The temperatures also looked okay in the gaming test. Once again, Borderlands 3 was used, which kept the CPU moderately busy and continuously pushed the graphics card to its power limit – a typical gaming workload. As usual, the graphics card ran straight to its temperature target of ~72°C and remained there as if nailed down. With an average temperature of approx. 86°C and a corresponding delta of approx. 14 K to the GPU, the hotspot also looked very good.
The CPU temperature was also in the green range during the gaming test. Although the air cooler reacts much faster to changing CPU loads than an AIO and pushes the entire waste heat of all components through the cooling fins, the temperatures were always around 60°C.
Interim conclusion
Overall, the Arcadia III did quite well in the temperature test. This may also be due to the intake fans I retrofitted, but overall the CPU temperature in the Arcadia III was only 2 K higher than the temperature measured in the Ponos Ultra, despite the air cooler, and a 360mm AIO was used there. However, this is also an apples and oranges comparison, as the Ponos also had to dissipate a good 200W more GPU waste heat, most of which was also handled by the radiator. Nevertheless, a gigantic step forward when you consider where the Arcadia II with its closed front was still classified!
Another positive feature is the standard fan in the rear. Although it comes without PWM control and is otherwise rather simple, it does not lead to a sudden loss of hearing and is still sufficiently quiet for a fan in this price range when regulated down to approx. 800rpm (in the BIOS via voltage).
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