Intel Core i7-6850K vs Intel Xeon E5-2666 v3

Compare Intel Core X-series 6 core CPU vs Intel 10 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

4066 points
4823 points
18% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

5576 points
4% slightly better gaming score
5321 points

Multitasking Score

Performance in workloads using up to 8 cores

3611 points
4658 points
28% slightly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

3510 points
4614 points
31% slightly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Core i7-6850K and the Xeon E5-2666 v3? Download our free and quick PC Performance Test.

Other Benchmarks

3DMark Physics score

3DMark Physics score

Physics simulation benchmark

6133 points
27% slightly higher 3DMark Physics score
4806 points
Blender score

Blender score

Cycles Render (Samples per minute)

103.26 points
152.03 points
47% significantly higher Blender score

Specifications

Cores

Number of physical processing units

6
10
66% significantly more cores

Threads

Number of logical processing units

12
20
66% significantly more threads

Clock Speed

Base frequency at which the chip operates

3.6 GHz
24% slightly higher clock speed
2.90 GHz

L2 Cache

Secondary embedded memory, slower than L1 cache

1.5 MiB
2.5 MiB
66% significantly more L2 cache

L3 Cache

General memory pool for all cores

15 MiB
25 MiB
66% significantly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

429th of 1,089
363rd of 1,089

Family

The product line

Core X-series
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Release date

The official date of release of this chip

2016 May
-

Memory Type

The type of memory used by this chip

DDR4-2400
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Is Unlocked

Can this CPU can be overclocked

No
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Supports ECC memory

Does this CPU support error correcting memory

No
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Core i7-6850K vs Xeon E5-2666 v3 specs and performance

According to the hardwareDB Benchmark tool, the Xeon E5-2666 v3 is faster than the Core i7-6850K. Furthermore, our gaming benchmark shows that it also outperforms the Core i7-6850K in all gaming tests too.

In terms of the number of cores of each of these CPUs, the Xeon E5-2666 v3 has significantly more cores than the Core i7-6850K. Indeed, the Xeon E5-2666 v3 has 10 cores compared to 6 cores found in the Core i7-6850K. It also has more threads than the Core i7-6850K. Our comparison shows that the Core i7-6850K has a slightly higher clock speed compared to the Xeon E5-2666 v3. In terms of cache, the Xeon E5-2666 v3 has significantly more L2 cache when compared to the Core i7-6850K. The Xeon E5-2666 v3 also has significantly more L3 cache.

The more cores a CPU has, the better the overall performance will be in parallel workloads such as multitasking. Many CPUs have more threads than cores, this means that each physical core is split into multiple logical cores, making them more efficient. Indeed, the Core i7-6850K has more threads than cores. Each physical core is split into multiple threads.

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