Intel Core i9-9900K vs Intel Core Ultra 5 125H

Compare Intel 9th Generation Core i9 8 core CPU vs Intel 14 core processor, specs and benchmark score. Which is the better CPU for gaming?

CPU Comparison

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Benchmark Score

Overall Score

A combined score of all workloads

6719 points
12% slightly better overall score
5962 points

Gaming Score

The raw gaming performance with a fast GPU

8223 points
0.27% slightly better gaming score
8201 points

Multitasking Score

Performance in workloads using up to 8 cores

6214 points
17% slightly better multitasking score
5307 points

Heavy Workload Score

Performance in workloads using up to 16 cores

6073 points
17% slightly better heavy workload score
5169 points

Free CPU Benchmark

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Other Benchmarks

3DMark Physics score

3DMark Physics score

Physics simulation benchmark

7038 points
18% slightly higher 3DMark Physics score
5946 points
Blender score

Blender score

Cycles Render (Samples per minute)

175.64 points
24% slightly higher Blender score
141.11 points

Specifications

Cores

Number of physical processing units

8
14
75% significantly more cores

Threads

Number of logical processing units

16
18
12% slightly more threads

Clock Speed

Base frequency at which the chip operates

3.6 GHz
Identical
3.6 GHz

Turbo Speed

Higher frequency used for heavy workloads

5 GHz
11% slightly higher turbo speed
4.5 GHz

PCIe Lanes

Number of physical connections between the CPU and expansion slots

16
28
75% significantly more pcie lanes

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

Supported Memory

Maximum amount of RAM supported by this CPU

128 GiB
33% slightly more supported memory
96 GiB

L2 Cache

Secondary embedded memory, slower than L1 cache

2 MiB
14 MiB
599% significantly more L2 cache

L3 Cache

General memory pool for all cores

16 MiB
18 MiB
12% slightly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

209th of 1,089
252nd of 1,089

Family

The product line

9th Generation Core i9
Core Ultra (Series 1)

Release date

The official date of release of this chip

2018 November
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 i9-9900K vs Core Ultra 5 125H specs and performance

Our benchmark analysis concludes that the Core Ultra 5 125H performs better than the Core i9-9900K. Furthermore, our gaming benchmark shows that it also outperforms the Core i9-9900K in all gaming tests too.

In terms of the number of cores of each of these CPUs, the Core Ultra 5 125H has significantly more cores than the Core i9-9900K. Indeed, the Core Ultra 5 125H has 14 cores compared to 8 cores found in the Core i9-9900K. It also has more threads than the Core i9-9900K. According to our data, the Core i9-9900K and Core Ultra 5 125H have the same clock speed. The info from our database shows that the Core Ultra 5 125H has more L2 cache than the Core i9-9900K. The Core Ultra 5 125H also has slightly 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 i9-9900K has more threads than cores. Each physical core is split into multiple threads.

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