Intel Core Ultra 7 155U vs Intel Core i5-1245U

Compare Intel 12 core CPU vs Intel 10 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

4819 points
12% slightly better overall score
4282 points

Gaming Score

The raw gaming performance with a fast GPU

7087 points
15% slightly better gaming score
6145 points

Multitasking Score

Performance in workloads using up to 8 cores

4161 points
11% slightly better multitasking score
3732 points

Heavy Workload Score

Performance in workloads using up to 16 cores

4014 points
11% slightly better heavy workload score
3606 points

Free CPU Benchmark

Want to compare your processor against the Core Ultra 7 155U and the Core i5-1245U? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

94.95 points
2% slightly higher Blender score
92.33 points

Specifications

Cores

Number of physical processing units

12
20% slightly more cores
10

Threads

Number of logical processing units

14
16% slightly more threads
12

Clock Speed

Base frequency at which the chip operates

2.1 GHz
31% slightly higher clock speed
1.6 GHz

Turbo Speed

Higher frequency used for heavy workloads

4.8 GHz
9% slightly higher turbo speed
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

96 GiB
49% significantly more supported memory
64 GiB

L2 Cache

Secondary embedded memory, slower than L1 cache

10 MiB
53% significantly more L2 cache
6.5 MiB

L3 Cache

General memory pool for all cores

12 MiB
Identical
12 MiB

Other details

Rank

Ranking in the hardwareDB database

364th of 1,089
412th of 1,089

Family

The product line

Core Ultra (Series 1)
12th Generation Core i5

Release date

The official date of release of this chip

2023 November
2022 February

Memory Type

The type of memory used by this chip

DDR5-7467
DDR5-4800

Is Unlocked

Can this CPU can be overclocked

-
No

Supports ECC memory

Does this CPU support error correcting memory

No
No

Core Ultra 7 155U vs Core i5-1245U specs and performance

Our benchmark analysis concludes that the Core Ultra 7 155U performs better than the Core i5-1245U. Despite this, the Core i5-1245U has the advantage in our gaming benchmark.

With info from our database, we find that the Core Ultra 7 155U has slightly more cores with 12 cores whereas the Core i5-1245U has 10 cores. It also has more threads than the Core i5-1245U. Our comparison shows that the Core Ultra 7 155U has a slightly higher clock speed compared to the Core i5-1245U. In terms of cache, the Core Ultra 7 155U has significantly more L2 cache when compared to the Core i5-1245U. 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 Ultra 7 155U has more threads than cores. Each physical core is split into multiple threads.

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