Page 76 - PCWorld (September 2019)

FEATURE CORE I9-9900K VS. RYZEN 9 3900X

Core i9-9900K (MCE On) vs. Ryzen 9 3900X (PBO Off)

(Percent performance increase)

1T 2%
2T 1%
3T 1%
4T 1%
5T 1%
6T 4%
7T 4%
8T 8%
9T 16%
10T 25%
11T 22%
12T 18%
13T 17%
14T 17%
15T 21%
16T 22%
17T 24%
18T 29%
19T 31%
20T 34%
21T 36%
22T 38%
23T 41%
24T 44%

i9-9900K and Ryzen 9 3900X using 1 thread efficiency at all cost while not giving a damn

to 24 threads, you can see the percent about multi-threaded tasks beyond 16-threads?
difference between the two chips. If this is you, then Core i9 is the better choice.
We’ve done this kind of comparison If, however, you actually need boatloads

before, and typically Intel is better on light more multi-threading performance, and
(lower thread count) loads, while Ryzen is you’re willing to give up essentially single-

better on heavier (higher thread count) loads. digit performance in light and single-threaded
In this case, AMD’s Ryzen is dominating on loads, then Ryzen 9 is the better choice.
the right side of the chart as usual. On the left

side, where Ryzen would normally be GAMING ON RYZEN 9 OR
completely underwater, it’s losing by about 4 CORE i9: HOW TO CHOOSE

to 7 percent, which isn’t much when you When it comes to gaming on high-end CPUs like
consider Intel still has a 400MHz advantage. the Ryzen 9 or Core i9 it’s easy to get confused
So no surprise, it comes down to what you with the answers you get. That’s because it’s not

do. Do you prioritize high clocks and CPU just about CPU performance, it’s also about how

76 PCWorld SEPTEMBER 2019