Intel Core i5-12450HX vs Intel Core Ultra 5 135U

Compare Intel 12th Generation Core i5 8 core CPU vs Intel Core Ultra (Series 1) 12 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

5938 points
5% slightly better overall score
5620 points

Gaming Score

The raw gaming performance with a fast GPU

8351 points
7% slightly better gaming score
7748 points

Multitasking Score

Performance in workloads using up to 8 cores

5219 points
4% slightly better multitasking score
4993 points

Heavy Workload Score

Performance in workloads using up to 16 cores

5059 points
4% slightly better heavy workload score
4839 points

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Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

131.60 points
8% slightly higher Blender score
121.36 points

Specifications

Cores

Number of physical processing units

8
12
49% significantly more cores

Threads

Number of logical processing units

12
14
16% slightly more threads

Clock Speed

Base frequency at which the chip operates

2.4 GHz
14% slightly higher clock speed
2.1 GHz

Turbo Speed

Higher frequency used for heavy workloads

4.4 GHz
Identical
4.4 GHz

PCIe Lanes

Number of physical connections between the CPU and expansion slots

20
Identical
20

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

7 MiB
10 MiB
42% many more L2 cache

L3 Cache

General memory pool for all cores

12 MiB
Identical
12 MiB

Other details

Rank

Ranking in the hardwareDB database

255th of 1,089
285th of 1,089

Family

The product line

12th Generation Core i5
Core Ultra (Series 1)

Release date

The official date of release of this chip

2022 May
2023 November

Memory Type

The type of memory used by this chip

DDR5-4800
DDR5-7467

Is Unlocked

Can this CPU can be overclocked

Yes
-

Supports ECC memory

Does this CPU support error correcting memory

No
No

Core i5-12450HX vs Core Ultra 5 135U specs and performance

In our benchmarks, the Core i5-12450HX beats the Core Ultra 5 135U in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Core Ultra 5 135U in all gaming tests too.

In terms of the number of cores of each of these CPUs, the Core Ultra 5 135U has significantly more cores than the Core i5-12450HX. Indeed, the Core Ultra 5 135U has 12 cores compared to 8 cores found in the Core i5-12450HX. It also has more threads than the Core i5-12450HX. Our comparison shows that the Core i5-12450HX has a slightly higher clock speed compared to the Core Ultra 5 135U. Furthermore, both these CPUs have identical turbo speeds. In terms of cache, the Core Ultra 5 135U has many more L2 cache when compared to the Core i5-12450HX. However, both these chips have the same amount of L3 cache.

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 i5-12450HX has more threads than cores. Each physical core is split into multiple threads.

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