Intel Core i7-14700KF vs Intel Core Ultra 7 255HX

Compare Intel Core i7 (14th gen) 20 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

15158 points
2% slightly better overall score
14832 points

Gaming Score

The raw gaming performance with a fast GPU

15326 points
2% slightly better gaming score
14976 points

Multitasking Score

Performance in workloads using up to 8 cores

15160 points
2% slightly better multitasking score
14778 points

Heavy Workload Score

Performance in workloads using up to 16 cores

15291 points
3% slightly better heavy workload score
14762 points

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Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

442.38 points
8% slightly higher Blender score
406.07 points

Specifications

Cores

Number of physical processing units

20
Identical
20

Threads

Number of logical processing units

28
40% slightly more threads
20

Clock Speed

Base frequency at which the chip operates

3.4 GHz
41% slightly higher clock speed
2.4 GHz

Turbo Speed

Higher frequency used for heavy workloads

5.6 GHz
7% slightly higher turbo speed
5.2 GHz

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

192 GiB
256 GiB
33% slightly more supported memory

L2 Cache

Secondary embedded memory, slower than L1 cache

28 MiB
36 MiB
28% slightly more L2 cache

L3 Cache

General memory pool for all cores

33 MiB
10% slightly more L3 cache
30 MiB

Other details

Rank

Ranking in the hardwareDB database

21st of 1,089
25th of 1,089

Family

The product line

Core i7 (14th gen)
Core Ultra (Series 2)

Release date

The official date of release of this chip

2023 November
2025 February

Memory Type

The type of memory used by this chip

DDR5-5600
DDR5-6400

Supports ECC memory

Does this CPU support error correcting memory

-
No

Core i7-14700KF vs Core Ultra 7 255HX comparison

According to the hardwareDB Benchmark tool, the Core i7-14700KF is faster than the Core Ultra 7 255HX. Furthermore, our gaming benchmark shows that it also outperforms the Core Ultra 7 255HX in all gaming tests too.

Our spec comparison shows that they have an identical amount of cores but the Core i7-14700KF has more threads. These CPUs have different clock speeds. Indeed, the Core i7-14700KF has a slightly higher clock speed compared to the Core Ultra 7 255HX. Also, the Core i7-14700KF has a slightly higher turbo speed. The cache sizes of these CPUs are different. Indeed, the Core Ultra 7 255HX has slightly more L2 cache than the Core i7-14700KF. Despite this, the Core i7-14700KF has slightly more L3 cache compared to the Core Ultra 7 255HX.

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 i7-14700KF has more threads than cores. Each physical core is split into multiple threads.

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