Enlarge / "Thermal solution must be purchased separately" for both the Ryzen 9 3900XT and Ryzen 7 3800XT. (Ryzen 5 customers still get the freebie.) (credit: AMD)
On Tuesday, AMD announced three new additions to its desktop Ryzen CPU line: Ryzen 9 3900XT, Ryzen 7 3800XT, and Ryzen 5 3600XT. The new processor designs are expected to become generally available on July 7, the anniversary of the original launch date of 7nm Zen 2.
The new CPU designs take advantage of newly optimized 7nm process technology to offer higher performance at the same TDPs as Ryzen 3000 designs. The new 3000XT CPUs are drop-in replacements on AM4 motherboards that supported Ryzen 3000 CPUs and offer small (up to 4 percent) single-threaded performance improvements over their Ryzen 3000 counterparts.
| Model | Cores/Threads | Boost/Base Frequency | Total Cache | TDP | Suggested retail price |
| Ryzen 9 3900XT | 12/24 | Up to 4.7GHz/3.8GHz | 70MiB | 105W | $499 |
| Ryzen 7 3800XT | 8/16 | Up to 4.7GHz/3.9GHz | 36MiB | 105W | $399 |
| Ryzen 5 3600XT | 6/12 | Up to 4.5GHz/3.8GHz | 35MiB | 95W | $249 |
Although the single-threaded performance improvements are small, the margins between CPUs in that stat tend to be razor-thin, and AMD says they're enough to take the coveted single-thread performance crown away from Intel. A 4 percent improvement to the Ryzen 9 3900X score shown on the CGDirector leaderboard would come out to 531—a few points higher than CGDirector's posted score for the i9-10900K, although a few points lower than our own Cinebench R20 result for that processor, using an NZXT Kraken fluid-cooler and Primochill Praxis open-air bench.
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