Intel Core Ultra 7 155H vs AMD Ryzen 5 8640HS

Compare Intel Core Ultra (Series 1) 16 core CPU vs AMD Ryzen 5 6 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

7084 points
10% slightly better overall score
6405 points

Gaming Score

The raw gaming performance with a fast GPU

9220 points
2% slightly better gaming score
9018 points

Multitasking Score

Performance in workloads using up to 8 cores

6469 points
15% slightly better multitasking score
5593 points

Heavy Workload Score

Performance in workloads using up to 16 cores

6362 points
17% slightly better heavy workload score
5403 points

Free CPU Benchmark

Want to compare your processor against the Core Ultra 7 155H and the Ryzen 5 8640HS? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

159.93 points
4% slightly higher Blender score
153.60 points

Specifications

Cores

Number of physical processing units

16
166% significantly more cores
6

Threads

Number of logical processing units

22
83% significantly more threads
12

Clock Speed

Base frequency at which the chip operates

1.4 GHz
3.50 GHz
150% significantly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

4.8 GHz
4.9 GHz
2% slightly higher turbo speed

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

L2 Cache

Secondary embedded memory, slower than L1 cache

18 MiB
200% significantly more L2 cache
6 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

186th of 1,089
227th of 1,089

Family

The product line

Core Ultra (Series 1)
Ryzen 5

Release date

The official date of release of this chip

2023 November
-

Memory Type

The type of memory used by this chip

DDR5-7467
DDR5 (FP7r2)

Is Unlocked

Can this CPU can be overclocked

-
No

Supports ECC memory

Does this CPU support error correcting memory

No
-

Core Ultra 7 155H vs Ryzen 5 8640HS specs and performance

Our benchmark analysis concludes that the Core Ultra 7 155H performs better than the Ryzen 5 8640HS. Despite this, the Ryzen 5 8640HS has the advantage in our gaming benchmark.

In terms of the number of cores of each of these CPUs, the Core Ultra 7 155H has significantly more cores than the Ryzen 5 8640HS. Indeed, the Core Ultra 7 155H has 16 cores compared to 6 cores found in the Ryzen 5 8640HS. It also has more threads than the Ryzen 5 8640HS. These CPUs have different clock speeds. Indeed, the Ryzen 5 8640HS has a significantly higher clock speed compared to the Core Ultra 7 155H. Also, the Ryzen 5 8640HS has a slightly higher turbo speed. In terms of cache, the Core Ultra 7 155H has significantly more L2 cache when compared to the Ryzen 5 8640HS. The Core Ultra 7 155H also has significantly more L3 cache.

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 Ultra 7 155H has more threads than cores. Each physical core is split into multiple threads.

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