Intel Core i7-12700K vs Intel Core Ultra 7 155U

Compare Intel 12th Generation Core i7 12 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

11540 points
139% significantly better overall score
4819 points

Gaming Score

The raw gaming performance with a fast GPU

13325 points
88% significantly better gaming score
7087 points

Multitasking Score

Performance in workloads using up to 8 cores

10952 points
163% significantly better multitasking score
4161 points

Heavy Workload Score

Performance in workloads using up to 16 cores

10812 points
169% significantly better heavy workload score
4014 points

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Want to compare your processor against the Core i7-12700K and the Core Ultra 7 155U? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

304.26 points
220% significantly higher Blender score
94.95 points

Specifications

Cores

Number of physical processing units

12
Identical
12

Threads

Number of logical processing units

20
42% many more threads
14

Clock Speed

Base frequency at which the chip operates

3.6 GHz
71% significantly higher clock speed
2.1 GHz

Turbo Speed

Higher frequency used for heavy workloads

5 GHz
4% slightly higher turbo speed
4.8 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

L3 Cache

General memory pool for all cores

25 MiB
108% significantly more L3 cache
12 MiB

Other details

Rank

Ranking in the hardwareDB database

57th of 1,099
372nd of 1,099

Family

The product line

12th Generation Core i7
Core Ultra (Series 1)

Release date

The official date of release of this chip

2021 November
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

Yes
No

Core i7-12700K vs Core Ultra 7 155U specs and performance

Our benchmark analysis concludes that the Core i7-12700K 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.

Info from our database shows that they both have the same core count but the Core i7-12700K has more threads. These CPUs have different clock speeds. Indeed, the Core i7-12700K has a significantly higher clock speed compared to the Core Ultra 7 155U. Also, the Core i7-12700K has a slightly higher turbo speed.

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 i7-12700K has more threads than cores. Each physical core is split into multiple threads.

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