AMD Ryzen 9 4900HS vs AMD Ryzen Threadripper 3990X

Compare AMD Ryzen 9 Mobile 8 core CPU vs AMD Ryzen Threadripper 64 core processor, specs and benchmark score. Which is the better CPU for gaming?

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Benchmark Score

Overall Score

A combined score of all workloads

74 %
97 %
31% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

92 %
91% significantly better gaming score
48 %

Multitasking Score

Performance in workloads using up to 8 cores

68 %
116 %
70% significantly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

66 %
128 %
93% significantly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Ryzen 9 4900HS and the Ryzen Threadripper 3990X? Download our free and quick PC Performance Test.

Other Benchmarks

Geekbench (multi) score

Multi threaded benchmark

269% significantly higher Geekbench (multi) score

Geekbench (single) score

Single threaded benchmark

12% slightly higher Geekbench (single) score



Number of physical processing units

700% significantly more cores


Number of logical processing units

700% significantly more threads

Clock Speed

Base frequency at which the chip operates

3 GHz
3% slightly higher clock speed
3 GHz

Turbo Speed

Higher frequency used for heavy workloads

4 GHz
4 GHz


Thermal Design Power: Measure of heat generated by the CPU

35 W
700% significantly lower TDP
280 W

L1 Cache

Smallest embedded memory, but the fastest

512 KiB
4,096 KiB
700% significantly more L1 cache

L2 Cache

Secondary embedded memory, slower than L1 cache

4 MiB
32 MiB
700% significantly more L2 cache

L3 Cache

General memory pool for all cores

8 MiB
256 MiB
3100% significantly more L3 cache

Other details


Ranking in the hardwareDB database

143rd of 1,326
56th of 1,326


The product line

Ryzen 9 Mobile
Ryzen Threadripper

Release date

The official date of release of this chip

March 2020
July 2020

Memory Type

The type of memory used by this chip


Is Unlocked

Can this CPU can be overclocked


Ryzen 9 4900HS vs Ryzen Threadripper 3990X comparison

Our benchmark analysis concludes that the Ryzen Threadripper 3990X performs better than the Ryzen 9 4900HS. Despite this, the Ryzen 9 4900HS has the advantage in our gaming benchmark.

With info from our database, we find that the Ryzen Threadripper 3990X has significantly more cores with 8 whereas the Ryzen 9 4900HS has 64. It also has more threads than the Ryzen 9 4900HS. Our comparison shows that the Ryzen 9 4900HS has a slightly higher clock speed compared to the Ryzen Threadripper 3990X. Furthermore, both these CPUs have identical turbo speeds. A Ryzen 9 4900HS CPU outputs less heat than a Ryzen Threadripper 3990X CPU because of its significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption. In terms of cache, the Ryzen Threadripper 3990X has significantly more L2 cache when compared to the Ryzen 9 4900HS. The Ryzen Threadripper 3990X also has significantly more L3 cache.

Most CPUs have more threads than cores. This technology, colloquially called hyperthreading, improves performance by splitting a core into multiple virtual ones. This provides more efficient utilisation of a core. Indeed, the Ryzen 9 4900HS has more threads than cores. Each physical core is split into multiple threads.


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