Intel Core i7-8700K vs Intel Core Ultra 7 255H

CPU Comparison

Quickly search and compare processors

Benchmark Score

Overall Score

A combined score of all workloads

5126 points
7661 points
49% significantly better overall score

Gaming Score

The raw gaming performance with a fast GPU

7099 points
9595 points
35% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

4495 points
7028 points
56% significantly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

4348 points
6834 points
57% significantly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Core i7-8700K 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)

126.15 points
212.94 points
68% significantly higher Blender score
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

6565 points
13475 points
105% significantly higher Geekbench 6 (multi) score
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

1621 points
2524 points
55% significantly higher Geekbench 6 (single) score

Specifications

Cores

Number of physical processing units

6
16
166% significantly more cores

Threads

Number of logical processing units

12
16
33% slightly more threads

Clock Speed

Base frequency at which the chip operates

3.7 GHz
85% significantly higher clock speed
2 GHz

Turbo Speed

Higher frequency used for heavy workloads

4.7 GHz
5.1 GHz
8% slightly higher turbo speed

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

1.5 MiB
28 MiB
1766% significantly more L2 cache

L3 Cache

General memory pool for all cores

12 MiB
24 MiB
100% significantly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

348th of 1,111
167th of 1,111

Family

The product line

8th Generation Core i7
Core Ultra (Series 2)

Release date

The official date of release of this chip

2017 November
2025 February

Memory Type

The type of memory used by this chip

DDR4-2666
DDR5-8400

Is Unlocked

Can this CPU can be overclocked

Yes
-

Supports ECC memory

Does this CPU support error correcting memory

No
No

Popular CPU Comparisons