Intel Core i9-10920X vs Intel Core Ultra 7 255H

Compare Intel Core X-series 12 core CPU vs Intel Core Ultra (Series 2) 16 core processor, specs and benchmark score. Which is the better CPU for gaming?

Benchmark Score
Other Benchmarks
Specifications
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Benchmark Score

Overall Score

A combined score of all workloads

7975 points

4% slightly better overall score

7661 points

Gaming Score

The raw gaming performance with a fast GPU

7849 points

9595 points

22% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

8024 points

14% slightly better multitasking score

7028 points

Heavy Workload Score

Performance in workloads using up to 16 cores

8038 points

17% slightly better heavy workload score

6834 points

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Other Benchmarks

Blender score

Cycles Render (Samples per minute)

251.40 points

18% slightly higher Blender score

212.94 points

Geekbench 6 (multi) score

Multi threaded benchmark

11106 points

13475 points

21% slightly higher Geekbench 6 (multi) score

Geekbench 6 (single) score

Single threaded benchmark

1664 points

2524 points

51% significantly higher Geekbench 6 (single) score

Specifications

Cores

Number of physical processing units

33% slightly more cores

Threads

Number of logical processing units

49% significantly more threads

Clock Speed

Base frequency at which the chip operates

3.5 GHz

75% significantly higher clock speed

2 GHz

Turbo Speed

Higher frequency used for heavy workloads

4.6 GHz

5.1 GHz

10% slightly higher turbo speed

PCIe Lanes

Number of physical connections between the CPU and expansion slots

71% significantly more pcie lanes

Memory Channels

Lanes for simultaneous memory access

100% significantly more memory channels

Supported Memory

Maximum amount of RAM supported by this CPU

256 GiB

100% significantly more supported memory

128 GiB

L3 Cache

General memory pool for all cores

25 MiB

4% slightly more L3 cache

24 MiB

Other details

Rank

Ranking in the hardwareDB database

158th of 1,125

169th of 1,125

Family

The product line

Core X-series

Core Ultra (Series 2)

Release date

The official date of release of this chip

2019 November

2025 February

Memory Type

The type of memory used by this chip

DDR4-2933

DDR5-8400

Is Unlocked

Can this CPU can be overclocked

Yes

Supports ECC memory

Does this CPU support error correcting memory

Core i9-10920X vs Core Ultra 7 255H specs and performance

Our benchmark analysis concludes that the Core i9-10920X performs better than the Core Ultra 7 255H. Despite this, the Core Ultra 7 255H has the advantage in our gaming benchmark.

With info from our database, we find that the Core Ultra 7 255H has slightly more cores with 16 cores whereas the Core i9-10920X has 12 cores. Despite this, the Core i9-10920X has more threads than the Core Ultra 7 255H. With our hardware info, we find that the Core i9-10920X has a significantly higher clock speed than the Core Ultra 7 255H. Despite this, the Core Ultra 7 255H has a slightly higher turbo speed.

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 i9-10920X has more threads than cores. Each physical core is split into multiple threads.