Intel Xeon Gold 6126 vs Intel Core Ultra 5 225H

Compare Intel Xeon Scalable 12 core CPU vs Intel Core Ultra (Series 2) 14 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

8481 points
8783 points
3% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

5942 points
11548 points
94% significantly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

9458 points
19% slightly better multitasking score
7914 points

Heavy Workload Score

Performance in workloads using up to 16 cores

10072 points
31% slightly better heavy workload score
7677 points

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Specifications

Cores

Number of physical processing units

12
14
16% slightly more cores

Threads

Number of logical processing units

24
71% significantly more threads
14

Clock Speed

Base frequency at which the chip operates

2.59 GHz
52% significantly higher clock speed
1.7 GHz

Turbo Speed

Higher frequency used for heavy workloads

3.7 GHz
4.9 GHz
32% slightly higher turbo speed

PCIe Lanes

Number of physical connections between the CPU and expansion slots

48
71% significantly more pcie lanes
28

Memory Channels

Lanes for simultaneous memory access

6
200% significantly more memory channels
2

Supported Memory

Maximum amount of RAM supported by this CPU

768 GiB
499% significantly more supported memory
128 GiB

L2 Cache

Secondary embedded memory, slower than L1 cache

24 MiB
9% slightly more L2 cache
22 MiB

L3 Cache

General memory pool for all cores

38.5 MiB
113% significantly more L3 cache
18 MiB

Other details

Rank

Ranking in the hardwareDB database

130th of 1,102
120th of 1,102

Family

The product line

Xeon Scalable
Core Ultra (Series 2)

Release date

The official date of release of this chip

2017 August
2025 February

Memory Type

The type of memory used by this chip

DDR4-2666
DDR5-8400

Supports ECC memory

Does this CPU support error correcting memory

Yes
No

Xeon Gold 6126 vs Core Ultra 5 225H specs and performance

Our benchmark analysis concludes that the Core Ultra 5 225H performs better than the Xeon Gold 6126. Furthermore, our gaming benchmark shows that it also outperforms the Xeon Gold 6126 in all gaming tests too.

In terms of the number of cores of each of these CPUs, the Core Ultra 5 225H has slightly more cores than the Xeon Gold 6126. Indeed, the Core Ultra 5 225H has 14 cores compared to 12 cores found in the Xeon Gold 6126. Despite this, the Xeon Gold 6126 has more threads than the Core Ultra 5 225H. Our comparison shows that the Xeon Gold 6126 has a significantly higher clock speed compared to the Core Ultra 5 225H. Despite this, the Core Ultra 5 225H has a slightly higher turbo speed. The cache sizes of these CPUs are different. Indeed, the Xeon Gold 6126 has slightly more L2 cache than the Core Ultra 5 225H. The Xeon Gold 6126 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 Xeon Gold 6126 has more threads than cores. Each physical core is split into multiple threads.

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