Intel Core i7-14650HX vs Intel Core Ultra 7 255HX

Compare Intel Core i7 (14th gen) 16 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

10831 points
14832 points
36% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

12542 points
14976 points
19% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

10318 points
14778 points
43% significantly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

10235 points
14762 points
44% significantly better heavy workload score

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Want to compare your processor against the Core i7-14650HX 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)

278.01 points
406.07 points
46% significantly higher Blender score

Specifications

Cores

Number of physical processing units

16
20
25% slightly more cores

Threads

Number of logical processing units

24
20% slightly more threads
20

Clock Speed

Base frequency at which the chip operates

2.2 GHz
2.4 GHz
9% slightly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

5.2 GHz
Identical
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

24 MiB
36 MiB
49% significantly more L2 cache

L3 Cache

General memory pool for all cores

30 MiB
Identical
30 MiB

Other details

Rank

Ranking in the hardwareDB database

72nd 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

2024 February
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 i7-14650HX vs Core Ultra 7 255HX specs and performance

In our benchmarks, the Core Ultra 7 255HX beats the Core i7-14650HX in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Core i7-14650HX in all gaming tests too.

When comparing core counts for these CPUs, we notice that the Core Ultra 7 255HX has slightly more cores with 20 cores compared to the Core i7-14650HX that has 16 cores. Despite this, the Core i7-14650HX has more threads than the Core Ultra 7 255HX. These CPUs have different clock speeds. Indeed, the Core Ultra 7 255HX has a slightly higher clock speed compared to the Core i7-14650HX. Furthermore, both these CPUs have identical turbo speeds. The cache sizes of these CPUs are different. Indeed, the Core Ultra 7 255HX has significantly more L2 cache than the Core i7-14650HX. However, both these chips have the same amount of 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 i7-14650HX has more threads than cores. Each physical core is split into multiple threads.

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