Intel Core Ultra 5 125U vs Intel Core Ultra 5 245K

Compare Intel Core Ultra (Series 1) 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

3241 points
12643 points
290% significantly better overall score

Gaming Score

The raw gaming performance with a fast GPU

5004 points
14524 points
190% significantly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

2724 points
11994 points
340% significantly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

2614 points
11755 points
349% significantly better heavy workload score

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Want to compare your processor against the Core Ultra 5 125U and the Core Ultra 5 245K? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

91.09 points
321.20 points
252% significantly higher Blender score

Specifications

Cores

Number of physical processing units

12
14
16% slightly more cores

Threads

Number of logical processing units

14
Identical
14

Clock Speed

Base frequency at which the chip operates

3.6 GHz
4.2 GHz
16% slightly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

4.3 GHz
5.2 GHz
20% slightly higher turbo speed

PCIe Lanes

Number of physical connections between the CPU and expansion slots

20
24
20% slightly more pcie lanes

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

Supported Memory

Maximum amount of RAM supported by this CPU

96 GiB
192 GiB
100% significantly more supported memory

L2 Cache

Secondary embedded memory, slower than L1 cache

10 MiB
26 MiB
160% significantly more L2 cache

L3 Cache

General memory pool for all cores

12 MiB
24 MiB
100% significantly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

506th of 1,089
46th of 1,089

Family

The product line

Core Ultra (Series 1)
Core Ultra (Series 2)

Release date

The official date of release of this chip

2023 November
2024 November

Memory Type

The type of memory used by this chip

DDR5-7467
DDR5-6400

Supports ECC memory

Does this CPU support error correcting memory

No
Yes

Core Ultra 5 125U vs Core Ultra 5 245K comparison

Our benchmark analysis concludes that the Core Ultra 5 245K performs better than the Core Ultra 5 125U. Furthermore, our gaming benchmark shows that it also outperforms the Core Ultra 5 125U in all gaming tests too.

In terms of the number of cores of each of these CPUs, the Core Ultra 5 245K has slightly more cores than the Core Ultra 5 125U. Indeed, the Core Ultra 5 245K has 14 cores compared to 12 cores found in the Core Ultra 5 125U. But they both have the same number of threads. Our comparison shows that the Core Ultra 5 245K has a slightly higher clock speed compared to the Core Ultra 5 125U. Also, the Core Ultra 5 245K has a slightly higher turbo speed. The cache sizes of these CPUs are different. Indeed, the Core Ultra 5 245K has significantly more L2 cache than the Core Ultra 5 125U. The Core Ultra 5 245K 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 Core Ultra 5 125U has more threads than cores. Each physical core is split into multiple threads.

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