AMD Ryzen 9 5900X vs Intel Xeon E5-2666 v3

Compare AMD Ryzen 9 Desktop 12 core CPU vs Intel 10 core processor, specs and benchmark score. Which is the better CPU for gaming?

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Specifications
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Benchmark Score

Overall Score

A combined score of all workloads

9859 points

104% significantly better overall score

4823 points

Gaming Score

The raw gaming performance with a fast GPU

9924 points

86% significantly better gaming score

5321 points

Multitasking Score

Performance in workloads using up to 8 cores

9836 points

111% significantly better multitasking score

4658 points

Heavy Workload Score

Performance in workloads using up to 16 cores

9828 points

113% significantly better heavy workload score

4614 points

Free CPU Benchmark

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Other Benchmarks

3DMark Physics score

Physics simulation benchmark

10192 points

112% significantly higher 3DMark Physics score

4806 points

Blender score

Cycles Render (Samples per minute)

313.97 points

106% significantly higher Blender score

152.03 points

Specifications

Cores

Number of physical processing units

20% slightly more cores

Threads

Number of logical processing units

20% slightly more threads

Clock Speed

Base frequency at which the chip operates

3.7 GHz

27% slightly higher clock speed

2.90 GHz

L2 Cache

Secondary embedded memory, slower than L1 cache

6 MiB

139% significantly more L2 cache

2.5 MiB

L3 Cache

General memory pool for all cores

64 MiB

156% significantly more L3 cache

25 MiB

Other details

Rank

Ranking in the hardwareDB database

94th of 1,089

363rd of 1,089

Family

The product line

Ryzen 9 Desktop

Release date

The official date of release of this chip

2020 May

Memory Type

The type of memory used by this chip

DDR4

Is Unlocked

Can this CPU can be overclocked

Yes

Ryzen 9 5900X vs Xeon E5-2666 v3 benchmarks

Our benchmark analysis concludes that the Ryzen 9 5900X performs better than the Xeon E5-2666 v3. Furthermore, our gaming benchmark shows that it also outperforms the Xeon E5-2666 v3 in all gaming tests too.

With info from our database, we find that the Ryzen 9 5900X has slightly more cores with 12 cores whereas the Xeon E5-2666 v3 has 10 cores. It also has more threads than the Xeon E5-2666 v3. These CPUs have different clock speeds. Indeed, the Ryzen 9 5900X has a slightly higher clock speed compared to the Xeon E5-2666 v3. The info from our database shows that the Ryzen 9 5900X has more L2 cache than the Xeon E5-2666 v3. The Ryzen 9 5900X also has significantly more L3 cache.

Modern CPUs generally have more logical cores than physical cores, this means that each core is split into multiple virtual cores, improving efficiency for parallel workloads. Indeed, the Ryzen 9 5900X has more threads than cores. Each physical core is split into multiple threads.