Here is EVERYTHING you need to know about the new Ryzen Eco-Mode for 3rd Gen Ryzen processors!

Find out when, how and why you should enable or disable the Ryzen Eco-Mode!

Updated @ 2019-11-17 : Added a guide on enabling PBO in the BIOS, and updated the article in general. Updated @ 2019-11-09 : Added Robert Hallock’s video on Ryzen Eco-Mode, and a compatibility list. Originally posted @ 2019-11-07

The New 3rd Gen AMD Ryzen Eco-Mode

AMD Ryzen Master 2.0 comes with a new Eco-Mode for 3rd Gen Ryzen processors, but NOT the Ryzen 3000-series APUs.

AMD Senior Technical Marketing Manager, Robert Hallock, gives us a quick primer in this video.

What Eco-Mode does is lower the 3rd Gen Ryzen processor’s TDP by one step :

105 W and 95 W processors will be limited to 65 W

65 W processors will be limited to 45 W

The 3rd Gen Ryzen processor will manage core voltage and frequency automatically to keep to the new reduced power level.

Precision Boost Overdrive (PBO), Automatic Overclocking (AOC) and manual overclocking will be disabled when Eco-Mode is enabled.

Impact Of Ryzen Eco-Mode

Enabling Eco-Mode naturally impacts the processor’s performance, but greatly reduces its power consumption with a significant drop in CPU temperature.

AMD shared this chart with us, comparing the performance of the new Ryzen 9 3950X, with and without Eco-Mode turned on.

With a 38% lower TDP, the AMD Ryzen 9 3950X used 44% less power and ran 7°C cooler. On the downside, it was 23% slower.

However, it offers those on a limited TDP budget the option of using a CPU with more cores than would normally be possible.

Ryzen Eco-Mode Use Case

According to AMD Desktop Processor Technical Marketing Manager, Don Woligroski, Eco-Mode is best used by those who want to run high-end 3rd Gen Ryzen processors in Small Form Factor (SFF) PCs, NAS, Plex boxes, etc.

It will allow them to enjoy the performance of 12 or 16 cores, without worrying about overloading the SFF power supply, or excessive heat accumulating in the small chassis.

It can also be used to trade off Ryzen processor power for more graphics card power, if there is limited power at the system level.

Since it can be applied on-the-fly, you can also use it to greatly reduce power consumption and thermal output when you are not using your high-performance Ryzen system for strenuous work.

And when you need processing power, you can instantly turn it into a high-performance gaming or content creation system with a simple switch!

How To Enable / Disable Ryzen Eco-Mode

Ryzen Eco-Mode will NOT appear until PBO (Precision Boost Overdrive) is enabled in the BIOS, so before you begin, check and make sure PBO has been enabled in the BIOS.

Download and install AMD Ryzen Master 2.0, or newer. Select one of the four profiles to edit and use. Under Control Mode, select ECO-Mode.

Click the Apply button at the bottom to activate Eco-Mode immediately. The processor will immediately manage its core voltages and frequencies to achieve the lower power target. To disable Eco-Mode, just select one of the four other control modes – Default, Precision Boost Overdrive, Auto Overclocking or Manual.

Click the Apply button to disable Eco-Mode, and activate the selected control mode.

There Is No Eco-Mode Option In Ryzen Master!

If you do not see the Eco-Mode option in Ryzen Master, that’s because PBO (Precision Boost Overdrive) is disabled in the BIOS.

Reboot your computer, and go into BIOS setup Look for the PBO (Precision Boost Overdrive) option, which may be hidden under overclocking options It will generally be set to Auto by default. Switch that to Enabled. Save the change, and reboot your computer.

After doing this, Eco-Mode will appear in Ryzen Master.

Ryzen Eco-Mode Compatibility

For your convenience, here is a table to show you what processors will support Ryzen Eco-Mode :

Processor Family Models Ryzen Eco-Mode Threadripper 3000-Series CPU Threadripper 3970X

Threadripper 3960X

No Ryzen 3000-Series CPU Ryzen 9 3950X

Ryzen 9 3900X

Ryzen 7 3800X

Ryzen 7 3700X

Ryzen 7 3700

Ryzen 5 3600X

Ryzen 5 3600

Ryzen 5 3500X Yes Ryzen 3000-Series APU Ryzen 7 3780U

Ryzen 7 3750H

Ryzen 7 3700U

Ryzen 5 3580U

Ryzen 5 3550H

Ryzen 5 3500U

Ryzen 5 3400G

Ryzen 5 3400GE

Ryzen 3 3300U

Ryzen 3 3200G

Ryzen 3 3200GE

Ryzen 3 3200U

No Athlon 3000-Series APU Athlon 3000G No Athlon 300-Series APU Athlon 300G

Athlon 300U

No Threadripper 2000-Series CPU Threadripper 2990WX

Threadripper 2970WX

Threadripper 2950X

Threadripper 2920X

No Ryzen 2000-Series CPU Ryzen 7 2700X

Ryzen 7 2700

Ryzen 7 2700E

Ryzen 5 2600X

Ryzen 5 2600

Ryzen 5 2600E

Ryzen 5 2500X

Ryzen 3 2300X

No Ryzen 2000-Series APU Ryzen 7 2800H

Ryzen 7 2700U

Ryzen 5 2600H

Ryzen 5 2500U

Ryzen 5 2400G

Ryzen 5 2400GE

Ryzen 3 2200G

Ryzen 3 2300U No Athlon 200-Series APU Athlon 240GE

Athlon 220GE

Athlon 200GE

No Threadripper 1000-Series CPU Threadripper 1950X

Threadripper 1920X

Threadripper 1900X

No Ryzen 1000-Series CPU Ryzen 7 1800X

Ryzen 7 1700X

Ryzen 7 1700

Ryzen 5 1600X

Ryzen 5 1600

Ryzen 5 1500X

Ryzen 5 1400

Ryzen 3 1300X

Ryzen 3 1200

No

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