Intel Core i5-12400F vs Intel Core Ultra 7 255HX

Compare Intel 12th Generation Core i5 6 core CPU vs Intel Core Ultra (Series 2) 20 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

7069 points
13450 points
90% significantly better overall score

Gaming Score

The raw gaming performance with a fast GPU

9788 points
13943 points
42% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

6212 points
13299 points
114% significantly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

6011 points
13279 points
120% significantly better heavy workload score

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Want to compare your processor against the Core i5-12400F and the Core Ultra 7 255HX? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

159.61 points
406.07 points
154% significantly higher Blender score

Specifications

Cores

Number of physical processing units

6
20
233% significantly more cores

Threads

Number of logical processing units

12
20
66% significantly more threads

Clock Speed

Base frequency at which the chip operates

2.5 GHz
4% slightly higher clock speed
2.4 GHz

Turbo Speed

Higher frequency used for heavy workloads

4.4 GHz
5.2 GHz
18% 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

128 GiB
256 GiB
100% significantly more supported memory

L3 Cache

General memory pool for all cores

18 MiB
30 MiB
66% significantly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

198th of 1,120
37th of 1,120

Family

The product line

12th Generation Core i5
Core Ultra (Series 2)

Release date

The official date of release of this chip

2022 February
2025 February

Memory Type

The type of memory used by this chip

DDR5-4800
DDR5-6400

Is Unlocked

Can this CPU can be overclocked

No
-

Supports ECC memory

Does this CPU support error correcting memory

-
No

Core i5-12400F vs Core Ultra 7 255HX comparison

According to the hardwareDB Benchmark tool, the Core Ultra 7 255HX is faster than the Core i5-12400F. Furthermore, our gaming benchmark shows that it also outperforms the Core i5-12400F in all gaming tests too.

With info from our database, we find that the Core Ultra 7 255HX has significantly more cores with 20 cores whereas the Core i5-12400F has 6 cores. It also has more threads than the Core i5-12400F. With our hardware info, we find that the Core i5-12400F has a slightly higher clock speed than the Core Ultra 7 255HX. Despite this, the Core Ultra 7 255HX has a slightly higher turbo speed.

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 i5-12400F has more threads than cores. Each physical core is split into multiple threads.

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