AMD Ryzen 9 3900X

AMD Ryzen 9 3900X Benchmark

AMD Ryzen 9 3900X Processor benchmark, specs and release date - 4 GHz 12 core AMD Ryzen 9 Desktop CPU rating. Is the Ryzen 9 3900X good for gaming?

CPU Benchmark Score

101 %
Amazing score from 11 samples
Low uncertainty

Ranked 49th out of 1,337 in the CPU Database.

Overall Gaming Multitasking Heavy Workloads
101 % 99 % 101 % 102 %
Amazing Very Good Amazing Amazing

Want to compare your CPU against the Ryzen 9 3900X and these results? Download our free and quick PC Performance Test.

Geekbench (multi)
Geekbench (multi)
Geekbench (single)
Geekbench (single)
Cinebench R23
Cinebench R23
3DMark Physics
3DMark Physics
11,680 1,276 19,000 11,843

Compare these benchmarks and specs using our CPU Comparison Tool.

CPU Comparison

The AMD Ryzen 9 3900X compared against popular alternatives. Compare against more CPUs with our CPU Comparison Tool.

AMD Ryzen 9 5900X
122 %
AMD Ryzen 9 3950X
117 %
Intel Core i9-11900
112 %
AMD Ryzen 9 3900X
101 %
AMD Ryzen 5 5600GE
99 %
AMD Ryzen 7 5800X
92 %
Intel Core i5-11600K
81 %

Specifications

Clock Speed 3.8 GHz
Turbo Speed 4.6 GHz
Cores 12
Threads 24
L1 Cache 768 KiB
L2 Cache 6144 KiB
L3 Cache 64 MiB
PCIe Revision 4
Family Ryzen 9 Desktop
Memory Type DDR4
Memory Channels 2
Release Date 2019-07-07
Has Unlocked Multiplier Yes
TDP 105 W

AMD Ryzen 9 3900X

The Ryzen 9 3900X is a 12 core CPU from AMD released in 2019. This chip has an amazing overall score at 101% in our CPU benchmark. Our gaming benchmark shows that this CPU is a very good processor for gaming, with a score of 99%. As for multitasking and heavy workloads, the Ryzen 9 3900X scores 101% and 102% respectively. Indeed, this is an amazing rating for very heavy workloads.

The Ryzen 9 3900X has 12 cores and 24 threads. This CPU makes use of simultaneous multithreading technology to improve performance on parallel tasks. Each physical CPU core is divided into multiple logical processors. This AMD CPU has a clock speed of 3.8 GHz and a turbo speed of 4.6 GHz : a higher clock speed that can be reached when thermals and power delivery allow. This CPU has an unlocked multiplier and allows for overclocking. With adequate cooling and a good power supply, it's possible to run this CPU at a higher clock speed.

As for memory, the Ryzen 9 3900X makes use of DDR4 memory. The faster the memory, the better. Faster memory means that the CPU doesn't have to wait to get the data it needs. Furthermore, this chip can handle up to 2 channels of RAM, a multichannel memory architecture allows for higher data transfer between the CPU and the memory. However, to take advantage of this, you must have enough memory slots filled.

In terms of cache, the Ryzen 9 3900X has 768 KiB of level 1 cache, 6 MiB of level 2 cache and 64 MiB of level 3 cache. This is a fast memory located close to the processor, which stores copies of frequently used data from main memory.

This CPU has fast connectivity with support for PCI-Express Gen 4. The faster the PCIe link, the better. This allows for better performance with GPUs and NVME SSDs.

Power and thermals for the AMD Ryzen 9 3900X CPU are a TDP (Thermal Design Power) of 105 watts. This measures the amount of heat the processor produces when running at full load. This isn't a measure of power consumption, but it's good estimate.

To figure out your PCs processor specs and performance, download our free CPU Benchmark utility.

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