Temperature behavior
Now we come to the temperature behavior and I have to send the following note in advance: As the 6500X comes without a case fan as standard and a custom loop was installed, the measured temperatures are not representative! However, the results can be used for comparison purposes with other measurements or tests.
The familiar Ryzen 9 3900X system was again used to determine the temperature behavior. For visual reasons, I decided to install the 6900XT because it is the largest “black” card in my inventory.
Test system
|
CPU |
AMD Ryzen 9 3900X PBO on |
|
CPU Cooling |
CORSAIR XH405i RGB Kit |
|
Mainboard |
GIGABYTE B550 Vision D |
|
Memory |
CORSAIR Dominator 32GB DDR4 3200 |
|
Graphics card |
MSI Radeon RX 6900XT Gaming X Trio |
|
SSD |
HP FX700 M.2 2TB |
|
Case fan |
CORSAIR QX120 RGB x 10 |
|
Power supply |
CORSAIR RM850X Shift Gold |
|
Other accessories |
ASIAHORSE Cable Extension Kit 16AWG 30cm All-White (GPU) |
General conditions
- Room temperature: 20.5°C
- Fans fixed: 750 rpm
- Pump fixed: 2000 rpm
CPU Torture
Cinebench R23 was again used in the loop for the CPU Torture test. After a short warm-up phase, the temperature of the coolant stabilized and the measurement could begin. The CPU temperature curve remained very constant in the 6500X using a custom loop. With an average temperature of approx. 77-78°C, the CPU was able to utilize the full power limit of 145W over the entire duration of the test and maintain a clock rate of 4100 MHz on all 12 cores.
Gaming
The 6500X also kept a cool head 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. The system in question drew almost exactly 500W from the socket during the gaming test! While the graphics card ran straight to its temperature target at ~72°C as usual and stayed there, the clock rate remained nailed down at approx. 2500MHz and the fans bobbed around at approx. 1400 rpm. The hotspot was also in the green range with an average of 85-86°C.
The temperature of the CPU was also surprisingly low in this test. Although the radiator fans were configured as “Exhaust” (contrary to the recommendation) and thus had to dissipate practically all of the waste heat from all components, including the power-hungry RX 6900XT, the temperatures were constantly well below 60 °C.
Interim conclusion
In conjunction with the rather expensive custom loop and the full configuration with 120mm fans, the 6500X does not show any weakness in terms of temperatures. The QX fans rotate tolerably quietly up to approx. 750 rpm and provide a noticeable airflow in the case. Thanks to the many fans configured as “Exhaust” in conjunction with the extensive perforation of the case, there is no need to worry about heat build-up. Acoustically, neither vibrations nor rattling can be heard, which is reliably prevented by the high material thicknesses. The XD5 RGB ELITE pump is also pleasantly quiet at a slightly reduced speed, but I will go into this separately in the conclusion.
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