AMD Ryzen 9 3900

AMD Ryzen 9 3900 Benchmark

AMD Ryzen 9 3900 Processor benchmark, specs and release date - 3 GHz 12 core AMD Ryzen 9 Desktop CPU rating. Is the Ryzen 9 3900 good for gaming?

CPU Benchmark Score

124 %
Incredible score from 1 sample
High uncertainty

Ranked 17th out of 1,337 in the CPU Database.

Overall Gaming Multitasking Heavy Workloads
124 % 94 % 135 % 142 %
Incredible Very Good Incredible Incredible

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Geekbench (multi)
Geekbench (multi)
Geekbench (single)
Geekbench (single)
3DMark Physics
3DMark Physics
10,774 1,222 11,083

Compare these benchmarks and specs using our CPU Comparison Tool.

CPU Comparison

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

Intel Core i7-12700KF
143 %
AMD Ryzen 9 5900
142 %
AMD Ryzen 9 3900
124 %
AMD Ryzen 7 5800
123 %
Intel Core i9-11900KF
106 %
Intel Core i9-11900K
105 %
Intel Core i7-11700K
97 %

Specifications

Clock Speed 3.1 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 2019-09-24
TDP 65 W

AMD Ryzen 9 3900

The Ryzen 9 3900 is a 12 core CPU from AMD released in 2019. This chip has an incredible overall score at 124% in our CPU benchmark. Our gaming benchmark shows that this CPU is a very good processor for gaming, with a score of 94%. As for multitasking and heavy workloads, the Ryzen 9 3900 scores 135% and 142% respectively. Indeed, this is an incredible rating for very heavy workloads.

The Ryzen 9 3900 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 3.1 GHz.

As for memory, the Ryzen 9 3900 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 3900 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 3900 CPU are a TDP (Thermal Design Power) of 65 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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