Stock Clock Testing

For our stock clock testing, we have configured our CPU to run at factory settings for speed, voltage, and configured memory to XMP mode. This yields an approximate power at the wall of 300w under load (a 200w differential from idle, which pulls about 100w). This results in the CPU running at 3.8GHz on all cores during the looping rounds of Cinebench R20. You can read more about this in our introduction article here.

Max Fans – 100% Pump Speed

ASUS Ryujin 240 performance at stock clocks, max fan RPM and 100% pump

We started our testing by turning the fans up all the way to 11. This brought the ASUS ROG Ryujin 240 in at 59 degrees Celsius. This is a full 4 degrees Celsius warmer than the Corsair H115i Platinum and tied with the SilverStone PF240-RGB. It was also 3 degrees Celsius warmer than the Enermax AQUAFUSION 240. We noted that the max fan speed on the Ryujin 240 was ~2000 RPM while the PF240-ARGB and AQUAFUSION 240 max fan speed was in the 2200-2250 RPM range. The Corsair H115i Platinum topped out at ~1800 RPM.

1500 RPM Fans – 100% Pump Speed

ASUS Ryujin 240 performance at stock clocks, 1500 fan RPM and 100% pump

Dropping the fans slightly, to 1,500 RPM, brought the units a little more separation. The Corsair H115i Platinum was the coolest at 57 degrees Celsius while the SilverStone PF240-RGB was the warmest at 62 degrees Celsius. The ASUS ROG Ryujin 240 came in right in the middle of our 240mm coolers with a temperature of 61 degrees Celsius.

1000 RPM Fans – 100% Pump Speed

ASUS Ryujin 240 performance at stock clocks, 1000 fan RPM and 100% pump

Lowering the fans RPM further to 1,000 RPM sees the Corsair H115i Platinum cooler come in the coolest at 60 degrees Celsius. The Enermax AQUAFUSION 240 sees a temperature of 66 degrees Celsius while the SilverStone PF240-ARGB comes in at 71 degrees Celsius. Splitting these other 240mm coolers is the ASUS ROG Ryujin 240, again, as it comes in at a temperature of 67 degrees Celsius.

600 RPM Fans – 100% Pump Speed

ASUS Ryujin 240 performance at stock clocks, 600 fan RPM and 100% pump

Finally, down at 600 RPM with the pump still at 100%, the Enermax LIQTECH II 360 takes the lead at 68 degrees Celsius. The 240mm coolers are all at the back of the packs here as you would imagine. However, the ASUS ROG Ryujin does tie the Enermax AQUAFUSION 240 at 82 degrees Celsius and that is better than the SilverStone PF240-RGB which hit 87 degrees Celsius.

600 RPM Fans – 50% Pump Speed

ASUS Ryujin 240 performance at stock clocks, 600 fan RPM and 50% pump

To silence the pump, we dropped its speed to 50% giving us our quietest configuration to test. The Enermax LIQTECH II 360 again bested the Corsair H115i Platinum at 68 degrees Celsius. However, the ASUS ROG Ryujin 240 is not doing as bad as the other 240mm coolers we have seen as it pulls a temperature of 84 degrees Celsius. The Enermax AQUAFUSION 240 and the SilverStone PF240-ARGB, again, we’re in the rear at 87 and 92 degrees Celsius!

Let’s move on now to look at some Mild Overclocking results with our coolers.

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David Schroth

David is a computer hardware enthusiast that has been tinkering with computer hardware for the past 25 years.

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7 Comments

  1. David, did you see the video by GN on AIO Setups and things to avoid?

    Air in the system will always travel to the highest portion of the system. Having the inlet/outlet of the radiator in the orientation that you have, will lead to weaker water-flow to the block.

  2. I’ve always wondered how AIOs deal with air. I had assumed they just vacuum filled them to eliminate all the air, and the hoses were flexible enough to handle the thermal expansion. Any air that gets in afterwards would have been either from a leak or suspended in the coolant and come out of solution, and would pretty much kill the AIO.

    Any air in a closed loop system is bad no matter where it collects – in a pump it will kill the pump, in a line it will kill flow, in a rad it will kill cooling, and anywhere in the flow path and it makes noise. That’s half the reason why you have a tank in a custom loop – so the air can collect there and stay out of your lines, pumps, and rads.

  3. Steve’s rational on air though made sense, in that if you place it on portion of the tank where the water migrates from hot to cool, it’s the least impactful.
  4. David, did you see the video by GN on AIO Setups and things to avoid?

    Air in the system will always travel to the highest portion of the system. Having the inlet/outlet of the radiator in the orientation that you have, will lead to weaker water-flow to the block.

    Yeah.. saw it. Couple of issues with changing the orientation though….

    1. Radiator tubes are not long enough on any aio tested so far to flip it over on the current rig.
    2. Would have to redo all testing for comparison data across all coolers.

    So, maybe when I’m in the market for a new case I’ll change it out, but at this point, less than perfect will be the way we have to do it

  5. Yeah.. saw it. Couple of issues with changing the orientation though….

    1. Radiator tubes are not long enough on any aio tested so far to flip it over on the current rig.
    2. Would have to redo all testing for comparison data across all coolers.

    So, maybe when I’m in the market for a new case I’ll change it out, but at this point, less than perfect will be the way we have to do it

    Thank you for the explanation! Keep up the great work on the reviews!

  6. Thank you for the explanation! Keep up the great work on the reviews!

    Just flipped through the video a second time. Overall, the main reason we would have issues in the current orientation is more related to bubbles getting sucked into the tubes – it seems to be the "best" of the "wrong" ways to mount it… So that’s something, right?

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