System Performance

Not all motherboards are created equal. On the face of it, they should all perform the same and differ only in the functionality they provide - however, this is not the case. The obvious pointers are power consumption, but also the ability for the manufacturer to optimize USB speed, audio quality (based on audio codec), POST time and latency. This can come down to the manufacturing process and prowess, so these are tested.

Power Consumption

Power consumption was tested on the system while in a single ASUS GTX 980 GPU configuration with a wall meter connected to the Thermaltake 1200W power supply. This power supply has ~75% efficiency > 50W, and 90%+ efficiency at 250W, suitable for both idle and multi-GPU loading. This method of power reading allows us to compare the power management of the UEFI and the board to supply components with power under load, and includes typical PSU losses due to efficiency. These are the real-world values that consumers may expect from a typical system (minus the monitor) using this motherboard.

While this method for power measurement may not be ideal, and you feel these numbers are not representative due to the high wattage power supply being used (we use the same PSU to remain consistent over a series of reviews, and the fact that some boards on our testbed get tested with three or four high powered GPUs), the important point to take away is the relationship between the numbers. These boards are all under the same conditions, and thus the differences between them should be easy to spot.

Power: Long Idle (w/ GTX 980)Power: OS Idle (w/ GTX 980)Power: Prime95 Blend (w/ GTX 980)

The ASUS performs well in our power consumption tests and is marginally the most efficient of the ATX sized X570 models. It also stacks up well against the rest of the AM4 models on test.

Non-UEFI POST Time

Different motherboards have different POST sequences before an operating system is initialized. A lot of this is dependent on the board itself, and POST boot time is determined by the controllers on board (and the sequence of how those extras are organized). As part of our testing, we look at the POST Boot Time using a stopwatch. This is the time from pressing the ON button on the computer to when Windows starts loading. (We discount Windows loading as it is highly variable given Windows specific features.)

Non UEFI POST Time

The ASUS is one of the fastest AM4 boards on test in our non-UEFI POST time testing, only fractionally slower than its B550-F Gaming. The X570-E Gaming turns the tables here slightly as it sits the best when all nonessential controllers are disabled.

DPC Latency

Deferred Procedure Call latency is a way in which Windows handles interrupt servicing. In order to wait for a processor to acknowledge the request, the system will queue all interrupt requests by priority. Critical interrupts will be handled as soon as possible, whereas lesser priority requests such as audio will be further down the line. If the audio device requires data, it will have to wait until the request is processed before the buffer is filled.

If the device drivers of higher priority components in a system are poorly implemented, this can cause delays in request scheduling and process time. This can lead to an empty audio buffer and characteristic audible pauses, pops and clicks. The DPC latency checker measures how much time is taken processing DPCs from driver invocation. The lower the value will result in better audio transfer at smaller buffer sizes. Results are measured in microseconds.

Deferred Procedure Call Latency

We test DPC latency at default settings out of the box, and ASUS is certainly doing something right, with some of the lowest DPC latencies we've seen on desktop motherboards.

Board Features, Test Bed and Setup CPU Performance, Short Form
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  • pradeepsekar - Tuesday, January 26, 2021 - link

    Correct.

    Just sharing my experience -

    I got a 5950X and Corsair 3600 C18 RAM from the QVL. Loaded up the latest BIOS 2802 and them boom - error and the board would not boot. Had to take it to the ASUS service center, and wait for over an hour. The engineer assigned was super helpful though. He had me wait for some time, and tested the board with a lower processor. He downgraded the BIOS to the next lower stable version, and it worked well when I got it home. Now I am on 3001 and everything continues to work fine. It occasionally greets me with multiple beeps, but ends up booting into Windows anyways... Need to investigate that more but it is not replicable... Anyways, I will stay away from the beta BIOS versions :-)

    I agree about the placement of the chipset and the graphics card - they are right next to each other. I am on a NVIDIA Founders edition card. It blows all the warm air out of the chassis and not into it. So for the moment I have not seen high temperatures (yet). The chipset fan looks like a tiny fragile thing one would see on a laptop - with a lot of potential to make a noise when it gets running at a high speed...

    Coming from a much older version the menus took some getting used to. All options are present and laid out neatly, as I realized later - with several options that I do not understand fully, and hence do not intend touching till I know better! Just got the RAM running with the XMP (DOCP) profile. I do not intend to overclock the processor - a crazy thought perhaps, but my rig is already screaming fast at everything I throw at it...
  • Spunjji - Tuesday, January 26, 2021 - link

    Beaver M. could learn a lot about what a persuasive, measured post looks like from this one. Cheers for sharing your experience.
  • Knightworld - Wednesday, January 27, 2021 - link

    Try running 3200 MHz for the RAM XMP profile. That's what the highest the CPU can handle while being stable without OC. That's the recommended by AMD
  • Knightworld - Wednesday, January 27, 2021 - link

    Well of coarse there will be BIOS updates. This is quite an old board in terms of computer standards. Lots of chipset optimisations to accommodate Zen 3 ryzen.
  • Knightworld - Wednesday, January 27, 2021 - link

    Also the chipset placement is pretty standard in all boards. Be it ASUS and MSI or Gigabyte or any other MoBo manufacturer. The chipset doesn't ramp up in boost or anything so it usually remains at a constant temp. And using the second slot for main GPU cause more strain on the chipset, since the second slot connects to the chipset and not the CPU. Also with the new GPU from Nvidia, the 3000 series your chipset shouldn't have any issues with the cooling since the special GPU coolers help with that. Tho that is only if you upgrade the GPU.
  • Oxford Guy - Monday, January 25, 2021 - link

    'Both the CPU and SoC are Teamed together, which allows the power delivery to run cooler and it improves transient response with quicker bursts of power without the drawbacks of phase doublers.'

    What drawbacks?
  • Oxford Guy - Monday, January 25, 2021 - link

    'This is also typically run at JEDEC subtimings where possible. It is noted that some users are not keen on this policy, stating that sometimes the maximum supported frequency is quite low, or faster memory is available at a similar price, or that the JEDEC speeds can be prohibitive for performance. While these comments make sense, ultimately very few users apply memory profiles (either XMP or other) as they require interaction with the BIOS. Most users will fall back on JEDEC supported speeds'

    1. Reviews expensive enthusiast board, where we literally are told about what specific VRM components are present.

    2. Makes claims above.

    3. Facepalm.
  • nils_ - Monday, January 25, 2021 - link

    I saw this in another benchmark article as well. Know your audience Anandtech, of course we care about this. Most people don't build their own computers, so why even benchmark individual components?
  • Spunjji - Tuesday, January 26, 2021 - link

    I'd go as far as to say this is the first instance where I've seen this particular criticism being levelled and haven't been inclined to immediately dismiss it. That text doesn't really belong in this article.
  • Oxford Guy - Monday, January 25, 2021 - link

    1. Most users aren't going to use POV-Ray so don't include it in the article.
    2. Most users aren't going to worry about what VRM components are on the board so don't include it in the article.
    3. Most users aren't going to use a RAID array so don't include information about RAID in the article.
    4. Most users aren't going to use ethernet that's any faster than gigabit so don't including info about that in the article.

    How long should this post be? It's the exact non-credible argument used to test at JEDEC. Now that AMD is rating, officially, for 3200 (which means even the lowest-quality AM4 board will support it), the problem isn't as severe as it was but it's still stupid since everyone has known that 3600 was the sweet spot for the previous round of Zen, not 3200.

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