All You Need To Know About AMD Ryzen Threadripper! Rev. 7

Page 3 : The Box, Multithreaded & Gaming Performance, Threadripper Game Mode

The AMD Ryzen Threadripper Box

The AMD Ryzen Threadripper comes in an awesome box. Check it out!


Multithreaded CPU Performance

AMD shared these multithreaded performance results for the AMD Ryzen Threadripper 1950X (Lowest Price) and 1920X (Lowest Price) processors, compared to the Intel Core i9-7900X.

Here is a summary of the results, using the Intel Core i9-7900X as the baseline (100%)  :

Benchmark Intel Core i9-7900X AMD Ryzen Threadripper 1920X AMD Ryzen Threadripper 1950X
POV-Ray 3.7 100% + 6.1% + 30.8%
Adobe Premiere Pro CC 2017 100% – 4.9% + 16.7%
HandBrake 1.0.7 100% + 5.1% + 21.0%
7-Zip 16.0.2 100% + 3.5% + 26.9%
VeraCrypt 1.2.1 100% + 18.6% + 55.1%
Corona Photorealism 1.3 100% + 1.1% + 26.8%
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1440p Gaming Performance

And here are 1440p gaming performance results on the two AMD Ryzen Threadripper processors, using the NVIDIA GeForce GTX 1080 Ti.

Here is a quick comparison of the results, using the Threadripper 1920X (Lowest Price) as the baseline (100%)  :

Benchmark AMD Ryzen Threadripper 1920X AMD Ryzen Threadripper 1950X
Rise of the Tomb Raider 100% + 0.7%
Ashes of the Singularity 100% + 5.3%
Deus Ex: Mankind Divided 100% + 2.9%
Battlefield 1 100% + 1.7%
Hitman 100% + 19.2%


The Threadripper Game Mode

Games are mostly optimised for quad-core processors… and rarely make use of octa-core processors. In fact, having even more cores can result in poorer performance due to poor thread scheduling. In some cases, the game may not even run at all.

To avoid those problems, AMD developer the Threadripper Game Mode. You can switch from the default “Creator Mode” to the “Game Mode” in the AMD Ryzen Master utility. Switching to Game Mode changes the Threadripper processor in two ways :

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  • It temporarily disables half the CPU cores, turning the Threadripper 1950X (Lowest Price) into an 8C 16T processor like the AMD Ryzen 1800X, and the Threadripper 1920X (Lowest Price) into an 6C 12T processor like the AMD Ryzen 1600X.
  • It tells the operating system to use a Local Mode (NUMA) memory, which keeps the game and its memory footprint inside one CPU die and the locally-connected DRAM memory. This minimises several key latency points in the system, which will improve gaming performance.

Once you are done playing your game, you can switch back to Creator Mode to make full use of all of the Threadripper’s cores.

Let’s take a look at the performance difference between the Creator Mode and the Game Mode.

As you can see, the Game Mode improves the AMD Ryzen Threadripper 1950X’s gaming performance by 10% to 38%. It’s likely that disabling half the cores also allow the Threadripper to clock them higher, as there is now a much higher thermal headroom.

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