Intel Core i9-7900X vs Intel Core Ultra 5 125H

Compare Intel Core X-series 10 core CPU vs Intel 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

7006 points
17% slightly better overall score
5962 points

Gaming Score

The raw gaming performance with a fast GPU

7653 points
8201 points
7% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

6778 points
27% slightly better multitasking score
5307 points

Heavy Workload Score

Performance in workloads using up to 16 cores

6719 points
29% slightly better heavy workload score
5169 points

Free CPU Benchmark

Want to compare your processor against the Core i9-7900X and the Core Ultra 5 125H? Download our free and quick PC Performance Test.

Other Benchmarks

3DMark Physics score

3DMark Physics score

Physics simulation benchmark

6987 points
17% slightly higher 3DMark Physics score
5946 points
Blender score

Blender score

Cycles Render (Samples per minute)

209.19 points
48% significantly higher Blender score
141.11 points

Specifications

Cores

Number of physical processing units

10
14
40% slightly more cores

Threads

Number of logical processing units

20
11% slightly more threads
18

Clock Speed

Base frequency at which the chip operates

3.3 GHz
3.6 GHz
9% slightly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

4.3 GHz
4.5 GHz
4% slightly higher turbo speed

PCIe Lanes

Number of physical connections between the CPU and expansion slots

44
57% significantly more pcie lanes
28

Memory Channels

Lanes for simultaneous memory access

4
100% significantly more memory channels
2

Supported Memory

Maximum amount of RAM supported by this CPU

128 GiB
33% slightly more supported memory
96 GiB

L3 Cache

General memory pool for all cores

14 MiB
18 MiB
28% slightly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

193rd of 1,089
252nd of 1,089

Family

The product line

Core X-series
Core Ultra (Series 1)

Release date

The official date of release of this chip

2017 May
2023 November

Memory Type

The type of memory used by this chip

DDR4-2666
DDR5-7467

Is Unlocked

Can this CPU can be overclocked

Yes
-

Supports ECC memory

Does this CPU support error correcting memory

No
No

Core i9-7900X vs Core Ultra 5 125H specs and performance

According to the hardwareDB Benchmark tool, the Core Ultra 5 125H is faster than the Core i9-7900X. Furthermore, our gaming benchmark shows that it also outperforms the Core i9-7900X in all gaming tests too.

When comparing core counts for these CPUs, we notice that the Core Ultra 5 125H has slightly more cores with 14 cores compared to the Core i9-7900X that has 10 cores. Despite this, the Core i9-7900X has more threads than the Core Ultra 5 125H. These CPUs have different clock speeds. Indeed, the Core Ultra 5 125H has a slightly higher clock speed compared to the Core i9-7900X.

Most CPUs have more threads than cores. This technology, colloquially called hyperthreading, improves performance by splitting a core into multiple virtual ones. This provides more efficient utilisation of a core. Indeed, the Core i9-7900X has more threads than cores. Each physical core is split into multiple threads.

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