Intel Core i9-11900K vs Intel Xeon Gold 6126

Compare Intel 11th Generation Core i9 8 core CPU vs Intel Xeon Scalable 12 core processor, specs and benchmark score. Which is the better CPU for gaming?

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Price

The cheapest price from our partner retailers

$ 559.99
$ 147.00
$ 412.99 significantly less expensive

Benchmark Score

Overall Score

A combined score of all workloads

8281 points
8481 points
2% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

10754 points
80% significantly better gaming score
5942 points

Multitasking Score

Performance in workloads using up to 8 cores

7475 points
9458 points
26% slightly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

7270 points
10072 points
38% slightly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Core i9-11900K and the Xeon Gold 6126? Download our free and quick PC Performance Test.

Specifications

Cores

Number of physical processing units

8
12
49% significantly more cores

Threads

Number of logical processing units

16
24
49% significantly more threads

Clock Speed

Base frequency at which the chip operates

3.5 GHz
34% slightly higher clock speed
2.59 GHz

Turbo Speed

Higher frequency used for heavy workloads

5.3 GHz
43% significantly higher turbo speed
3.7 GHz

TDP

Thermal Design Power: Measure of heat generated by the CPU

125 W
Identical
125 W

PCIe Lanes

Number of physical connections between the CPU and expansion slots

20
48
139% significantly more pcie lanes

Memory Channels

Lanes for simultaneous memory access

2
6
200% significantly more memory channels

Supported Memory

Maximum amount of RAM supported by this CPU

128 GiB
768 GiB
499% significantly more supported memory

L2 Cache

Secondary embedded memory, slower than L1 cache

4 MiB
24 MiB
499% significantly more L2 cache

L3 Cache

General memory pool for all cores

16 MiB
38.5 MiB
140% significantly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

136th of 1,089
125th of 1,089

Family

The product line

11th Generation Core i9
Xeon Scalable

Release date

The official date of release of this chip

2021 February
2017 August

Memory Type

The type of memory used by this chip

DDR4-3200
DDR4-2666

Is Unlocked

Can this CPU can be overclocked

Yes
-

Supports ECC memory

Does this CPU support error correcting memory

No
Yes

Core i9-11900K vs Xeon Gold 6126 comparison

According to the hardwareDB Benchmark tool, the Xeon Gold 6126 is faster than the Core i9-11900K. Despite this, the Core i9-11900K has the advantage in our gaming benchmark.

With info from our database, we find that the Xeon Gold 6126 has significantly more cores with 12 cores whereas the Core i9-11900K has 8 cores. It also has more threads than the Core i9-11900K. With our hardware info, we find that the Core i9-11900K has a slightly higher clock speed than the Xeon Gold 6126. Also, the Core i9-11900K has a significantly higher turbo speed. Both these chips have an identical TDP (Thermal Design Power). This measures the amount of heat they output and can be used to estimate power consumption. In terms of cache, the Xeon Gold 6126 has significantly more L2 cache when compared to the Core i9-11900K. The Xeon Gold 6126 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 i9-11900K has more threads than cores. Each physical core is split into multiple threads.

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