Intel Core Ultra 7 255H vs Intel Core i9-9900KS

CPU Comparison

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Benchmark Score

Overall Score

A combined score of all workloads

7661 points
2% slightly better overall score
7509 points

Gaming Score

The raw gaming performance with a fast GPU

9595 points
4% slightly better gaming score
9220 points

Multitasking Score

Performance in workloads using up to 8 cores

7028 points
1% slightly better multitasking score
6930 points

Heavy Workload Score

Performance in workloads using up to 16 cores

6834 points
0.96% slightly better heavy workload score
6769 points

Free CPU Benchmark

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Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

212.94 points
22% slightly higher Blender score
173.21 points
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

13475 points
57% significantly higher Geekbench 6 (multi) score
8569 points
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

2524 points
41% slightly higher Geekbench 6 (single) score
1789 points

Specifications

Cores

Number of physical processing units

16
100% significantly more cores
8

Threads

Number of logical processing units

16
Identical
16

Clock Speed

Base frequency at which the chip operates

2 GHz
4.01 GHz
100% significantly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

5.1 GHz
2% slightly higher turbo speed
5 GHz

PCIe Lanes

Number of physical connections between the CPU and expansion slots

28
75% significantly more pcie lanes
16

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

28 MiB
1300% significantly more L2 cache
2 MiB

L3 Cache

General memory pool for all cores

24 MiB
49% significantly more L3 cache
16 MiB

Other details

Rank

Ranking in the hardwareDB database

160th of 1,092
168th of 1,092

Family

The product line

Core Ultra (Series 2)
9th Generation Core i9

Release date

The official date of release of this chip

2025 February
2019 November

Memory Type

The type of memory used by this chip

DDR5-8400
DDR4-2666

Is Unlocked

Can this CPU can be overclocked

-
Yes

Supports ECC memory

Does this CPU support error correcting memory

No
No

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