Overclocking Ryzen APU Integrated Graphics

As we detailed in our dedicated AMD Ryzen 2000 series APU overclocking guide and analysis, both the Ryzen 5 2400G and the Ryzen 3 2200G chips benefit from overclocking the CPU core frequency. The results on heavy computational workloads gave noticeable improvements across the board, while the gaming results didn't seem to have the expected 'oomph' so to speak. When it comes to overclocking the integrated graphics, the key directive and conclusion is that when a user is overclocking the CPU core frequency, it lessens the headroom available to overclock the integrated graphics and visa versa. It is a real push and pull situation.

Overclocking the integrated graphics on the MSI B350I Pro AC motherboard was quite easy as there are three main variables to consider.

  1. The graphics clock frequency is the primary frequency setting, measured in MHz
  2. The SoC voltage (or CPU NB Voltage) is directly linked to the integrated graphics voltage.
  3. The CPU core frequency and CPU core voltage can also help/hinder. 

 

Beware the Black Hole!

When overclocking the integrated graphics core on both APUs, rising through the frequencies, we experienced an anomaly or 'black hole' between 1350 and 1500 MHz. Regardless of the settings, there was a clear issue in the system.

While the system would boot at these frequencies, the combination of overclock and drivers caused random reboots of the test system, constant and consistent crashes during gaming, and Windows Crash Reporter stating a 'Video_TDR_Failure' of the atikmpag.sys process. This error is usually an indication of a faulty or corrupt graphics driver, but in this instance, it happened across multiple systems with three different motherboards and operating systems using the AMD's Adrenalin Edition 18.5.1 WHQL drivers (the latest at the time of testing). The issue bestowed itself regardless of the GPU driver used, or BIOS revision on any of the motherboards tested.

At 1500 MHz however, the issue went away. Our experience is not unique - other professionals in the industry have experienced similar issues. We have reached out to AMD about this issue and will update when an official response is received.

Overclocking Results

The Ryzen 5 2400G has a base graphics frequency of 1250 MHz and the Ryzen 3 2200G has a base frequency of 1100 MHz. We were able to push both of them up to 1600 MHz, giving a 28% and 45% overclock respectively. For the completeness of data, we ran both APUs from 1100 MHz up to 1600 MHz, missing out the black hole. Here were our settings:

Integrated Graphics Frequency SoC/iGPU 
GFX Voltage
1100 MHz 1.15 V
1150 MHz 1.15 V
1200 MHz 1.15 V
1250 MHz 1.15 V
1300 MHz 1.15 V
1350 MHz 1.15 V
1400 MHz ERROR
1450 MHz ERROR
1500 MHz 1.20 V
1550 MHz 1.25 V
1600 MHz 1.25 V
AMD Ryzen APU Integrated Graphics Scaling Ryzen 5 2400G Integrated Graphics OC (1)
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  • msroadkill612 - Sunday, September 30, 2018 - link

    Sorry to be a dick Gavin, but...

    oignant
    ˈpɔɪnjənt/Submit
    adjective
    evoking a keen sense of sadness or regret.
    "a poignant reminder of the passing of time"
    synonyms: touching, moving, sad, saddening, affecting, pitiful, piteous, pitiable, pathetic, sorrowful, mournful, tearful, wretched, miserable, bitter, painful, distressing, disturbing, heart-rending, heartbreaking, tear-jerking, plaintive, upsetting, tragic
    "the father of the murder victim bade a poignant farewell to his son"

    Its a sore point. I misused it similarly in a speech.
    Reply
  • msroadkill612 - Sunday, September 30, 2018 - link

    Good effort, but a shame temps not included.

    There is a suspicious pattern here.

    On the 2400g at voltage bumped, 1600 gpu clock, it gets good results ... mostly. Its min frames are erratic and even lowered at times.

    This could well be heat.

    My take home, is that the Apu is so cool, its worth decent cooling and a low latency nvme system disk with a direct pci link to the cpu.

    The apu seems a hit in the linux world, and that the apu is becoming a kind of default zen/vega platform - a target for some intimate apu driver tweaking.

    Its fine wine indeed.
    Reply
  • hashish2020 - Tuesday, October 2, 2018 - link

    I am having trouble finding it, but was the memory overclocked as well or just the iGPU? Reply
  • piteq - Tuesday, October 2, 2018 - link

    I was reluctant to buy any new graphics card because of the sick prices, so I'm keeping my (really) old Radeon HD 6790(-ish GPU, can't remember exactly - GPU-Z states it has Barts core and 1 GB DDR5, clocked at 900/1100 MHz, respectively). And it's paired with Ryzen 5 1600, on Asus Prime B350-Plus board. Do you think switching CPU to Ryzen 2400G would be some upgrade in the GPU area? I'd like to return to WoW and also play some newer, but not demanding titles. (Slightly slower CPU won't be much of an issue for me). Reply
  • neblogai - Wednesday, October 3, 2018 - link

    It would be better for you to start looking for a new GPU- prices are getting good. RX570 for $150 would solve your problem better than switching to a 2400G. Reply
  • V900 - Thursday, October 4, 2018 - link

    Just buy a used card, or a GT1030/1050.

    They're available for roughly what the 2400G costs, but will give you a much bigger GPU boost.
    Reply
  • mikato - Thursday, October 4, 2018 - link

    The video ads are starting to bother me now, darn. Reply
  • msroadkill612 - Wednesday, October 17, 2018 - link

    OP. u misuse poignant in ur opening. It has a "sad" connotation. Reply
  • msroadkill612 - Wednesday, October 17, 2018 - link

    Heresy, given the curiously zealous loyalty folks have to sata ssd over clearly very superior nvme, but it would not surprise me if the HDD era SATA interface & even greater lag of the chipset the SATA ports run off, added some significant random delays by gaming standards.

    There is no comparison in; iops, processing overhead and access times.

    I am sure I have seen reviews where they don't even state the test rig's SSD details.
    Reply

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