Intel Core i5-1235U vs Intel Core Ultra 7 155U

Compare Intel 12th Generation Core i5 10 core CPU vs Intel 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

3900 points
4819 points
23% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

5787 points
7087 points
22% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

3361 points
4161 points
23% slightly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

3239 points
4014 points
23% slightly better heavy workload score

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Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

73.73 points
94.95 points
28% slightly higher Blender score

Specifications

Cores

Number of physical processing units

10
12
20% slightly more cores

Threads

Number of logical processing units

12
14
16% slightly more threads

Clock Speed

Base frequency at which the chip operates

1.3 GHz
2.1 GHz
61% significantly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

4.4 GHz
4.8 GHz
9% slightly higher turbo speed

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

64 GiB
96 GiB
49% significantly more supported memory

L2 Cache

Secondary embedded memory, slower than L1 cache

2.5 MiB
10 MiB
300% significantly more L2 cache

L3 Cache

General memory pool for all cores

12 MiB
Identical
12 MiB

Other details

Rank

Ranking in the hardwareDB database

442nd of 1,089
364th 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 February
2023 November

Memory Type

The type of memory used by this chip

DDR5-4800
DDR5-7467

Is Unlocked

Can this CPU can be overclocked

No
-

Supports ECC memory

Does this CPU support error correcting memory

No
No

Core i5-1235U vs Core Ultra 7 155U comparison

Our benchmark analysis concludes that the Core i5-1235U performs better than the Core Ultra 7 155U. Furthermore, our gaming benchmark shows that it also outperforms the Core Ultra 7 155U in all gaming tests too.

In terms of the number of cores of each of these CPUs, the Core Ultra 7 155U has slightly more cores than the Core i5-1235U. Indeed, the Core Ultra 7 155U has 12 cores compared to 10 cores found in the Core i5-1235U. It also has more threads than the Core i5-1235U. Our comparison shows that the Core Ultra 7 155U has a significantly higher clock speed compared to the Core i5-1235U. In terms of cache, the Core Ultra 7 155U has significantly more L2 cache when compared to the Core i5-1235U. However, both these chips have the same amount of L3 cache.

Modern CPUs generally have more logical cores than physical cores, this means that each core is split into multiple virtual cores, improving efficiency for parallel workloads. Indeed, the Core i5-1235U has more threads than cores. Each physical core is split into multiple threads.

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