Intel Core i9-10900 vs Intel Core Ultra 7 255H

Compare Intel 10th Generation Core i9 10 core CPU vs Intel Core Ultra (Series 2) 16 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

7582 points
7661 points
1% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

8692 points
9595 points
10% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

7207 points
2% slightly better multitasking score
7028 points

Heavy Workload Score

Performance in workloads using up to 16 cores

7099 points
3% slightly better heavy workload score
6834 points

Free CPU Benchmark

Want to compare your processor against the Core i9-10900 and the Core Ultra 7 255H? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

164.66 points
212.94 points
29% slightly higher Blender score
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

8309 points
13475 points
62% significantly higher Geekbench 6 (multi) score
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

1714 points
2524 points
47% significantly higher Geekbench 6 (single) score

Specifications

Cores

Number of physical processing units

10
16
60% significantly more cores

Threads

Number of logical processing units

20
25% slightly more threads
16

Clock Speed

Base frequency at which the chip operates

2.8 GHz
40% slightly higher clock speed
2 GHz

Turbo Speed

Higher frequency used for heavy workloads

5.2 GHz
1% slightly higher turbo speed
5.1 GHz

PCIe Lanes

Number of physical connections between the CPU and expansion slots

16
28
75% significantly more pcie lanes

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

Supported Memory

Maximum amount of RAM supported by this CPU

128 GiB
Identical
128 GiB

L2 Cache

Secondary embedded memory, slower than L1 cache

2.5 MiB
28 MiB
1019% significantly more L2 cache

L3 Cache

General memory pool for all cores

20 MiB
24 MiB
20% slightly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

166th of 1,099
163rd of 1,099

Family

The product line

10th Generation Core i9
Core Ultra (Series 2)

Release date

The official date of release of this chip

2020 May
2025 February

Memory Type

The type of memory used by this chip

DDR4-2933
DDR5-8400

Is Unlocked

Can this CPU can be overclocked

No
-

Supports ECC memory

Does this CPU support error correcting memory

No
No

Core i9-10900 vs Core Ultra 7 255H comparison

In our benchmarks, the Core Ultra 7 255H beats the Core i9-10900 in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Core i9-10900 in all gaming tests too.

When comparing core counts for these CPUs, we notice that the Core Ultra 7 255H has significantly more cores with 16 cores compared to the Core i9-10900 that has 10 cores. Despite this, the Core i9-10900 has more threads than the Core Ultra 7 255H. Our comparison shows that the Core i9-10900 has a slightly higher clock speed compared to the Core Ultra 7 255H. Also, the Core i9-10900 has a slightly higher turbo speed. The info from our database shows that the Core Ultra 7 255H has more L2 cache than the Core i9-10900. The Core Ultra 7 255H also has slightly more 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 i9-10900 has more threads than cores. Each physical core is split into multiple threads.

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