Test setup
By popular request, I rely on a closed system, which takes the form of a PC specially assembled for igor’sLAB by MIFCOM (exemplary product link, no affiliate) offers a practical basis this time. The case used is really good, has enough internal volume and also an excellent airflow. The used AiO compact water cooling in the form of the Silen Loop II from Be Quiet matches the GeForce RTX 4090 FE optically and the RGB accents of RAM and motherboard can either be set to plain white or turned off completely in case of doubt. If it should get too colorful again.
I deliberately did without all the bling-bling in my configuration, but use a current AMD CPU and a solid motherboard for the potent underpinnings. The PC was assembled nice and neat by MIFCOM (I’m always like that with the cables) and can be purchased in this configuration (see below) exactly the same or modified at the dealer. It was simply important to me here to use a commercially available solution and not my extremely chilled out lab hardware in the climate oasis. There is still space between the side panel (glass) and the graphics card, even with an adapter, and the storage space of the XL case wasn’t even close to being used.
I have been doing the heat flow analyses and infrared images / radiometric videos for the non-contact measurements with an Optris Pi640 for years. This is an industrial camera with interchangeable optics, various additional parts and functional software. With a full 640 x 480 measuring pixels, the bolometer for capturing the thermal radiation is already as large as a normal VGA camera, which is interpolated into the image in many cheaper devices for optical enhancement. Currently, not much more is possible. The videos are recorded with up to 30 FPS (Hz), which is also a class of its own.
However, the measurement of the detailed power consumption and other, more in-depth things is done in the lab on two tracks using high-resolution oscilloscope technology and the self-created, MCU-based measurement setup for motherboards and graphics cards (pictures below) or NVIDIA’s PCAT. Of course I use a redundant system for this, with the same components, because such measurements are rather difficult in the case.
The audio measurements are done outside in my chamber (room within a room).
I have also summarized the individual components of the test system in a table:
- 1 - Introduction, technical data and technology
- 2 - Test system and igor'sLAB MIFCOM-PC
- 3 - Teardown: PCB, compnents and 8-Pin issues
- 4 - Teardown: Cooler and thermal grease
- 5 - Gaming performance Full-HD (1920 x 1080)
- 6 - Gaming performance WQHD (2560 x 1440)
- 7 - Latencies, DLSS vs. FSR
- 8 - Details: Power consumption and load balancing
- 9 - Transients, capping and PSU recommendation
- 10 - Temperatures, clock rate and thermal imaging
- 11 - Fan curves, noise and sound sample
- 12 - Summary and conclusion
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