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

Compare Intel Core i7 (14th gen) 20 core CPU vs Intel Core Ultra (Series 2) 16 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

10176 points
264% significantly better overall score
2788 points

Gaming Score

The raw gaming performance with a fast GPU

10959 points
217% significantly better gaming score
3457 points

Multitasking Score

Performance in workloads using up to 8 cores

9972 points
285% significantly better multitasking score
2584 points

Heavy Workload Score

Performance in workloads using up to 16 cores

10002 points
296% significantly better heavy workload score
2521 points

Free CPU Benchmark

Want to compare your processor against the Core i7-14700HX and the Core Ultra 7 255H? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

307.50 points
44% significantly higher Blender score
212.94 points
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

13460 points
13475 points
0.11% slightly higher Geekbench 6 (multi) score
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

2505 points
2524 points
0.76% slightly higher Geekbench 6 (single) score

Specifications

Cores

Number of physical processing units

20
25% slightly more cores
16

Threads

Number of logical processing units

28
75% significantly more threads
16

Clock Speed

Base frequency at which the chip operates

2.1 GHz
5% slightly higher clock speed
2 GHz

Turbo Speed

Higher frequency used for heavy workloads

5.5 GHz
7% slightly higher turbo speed
5.1 GHz

PCIe Lanes

Number of physical connections between the CPU and expansion slots

20
28
40% 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
49% significantly more supported memory
128 GiB

L2 Cache

Secondary embedded memory, slower than L1 cache

28 MiB
Identical
28 MiB

L3 Cache

General memory pool for all cores

33 MiB
37% slightly more L3 cache
24 MiB

Other details

Rank

Ranking in the hardwareDB database

82nd of 1,089
572nd 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

2024 February
2025 February

Memory Type

The type of memory used by this chip

DDR5-5600
DDR5-8400

Supports ECC memory

Does this CPU support error correcting memory

-
No

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

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

With info from our database, we find that the Core i7-14700HX has slightly more cores with 20 cores whereas the Core Ultra 7 255H has 16 cores. It also has more threads than the Core Ultra 7 255H. These CPUs have different clock speeds. Indeed, the Core i7-14700HX has a slightly higher clock speed compared to the Core Ultra 7 255H. Also, the Core i7-14700HX has a slightly higher turbo speed. In terms of cache, both these CPUs have the same amount of L2 cache. The Core i7-14700HX also has slightly more L3 cache.

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

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