AMD Ryzen 5 8645HS vs Intel Core Ultra 5 125U

Compare AMD Ryzen 5 6 core CPU vs Intel Core Ultra (Series 1) 12 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

7040 points
117% significantly better overall score
3241 points

Gaming Score

The raw gaming performance with a fast GPU

9593 points
91% significantly better gaming score
5004 points

Multitasking Score

Performance in workloads using up to 8 cores

6234 points
128% significantly better multitasking score
2724 points

Heavy Workload Score

Performance in workloads using up to 16 cores

6029 points
130% significantly better heavy workload score
2614 points

Free CPU Benchmark

Want to compare your processor against the Ryzen 5 8645HS and the Core Ultra 5 125U? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

156.82 points
72% significantly higher Blender score
91.09 points

Specifications

Cores

Number of physical processing units

6
12
100% significantly more cores

Threads

Number of logical processing units

12
14
16% slightly more threads

Clock Speed

Base frequency at which the chip operates

4.30 GHz
19% slightly higher clock speed
3.6 GHz

Turbo Speed

Higher frequency used for heavy workloads

5 GHz
16% slightly higher turbo speed
4.3 GHz

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

L2 Cache

Secondary embedded memory, slower than L1 cache

6 MiB
10 MiB
66% significantly more L2 cache

L3 Cache

General memory pool for all cores

16 MiB
33% slightly more L3 cache
12 MiB

Other details

Rank

Ranking in the hardwareDB database

194th of 1,096
512th of 1,096

Family

The product line

Ryzen 5
Core Ultra (Series 1)

Release date

The official date of release of this chip

-
2023 November

Memory Type

The type of memory used by this chip

DDR5 (FP7r2)
DDR5-7467

Is Unlocked

Can this CPU can be overclocked

No
-

Supports ECC memory

Does this CPU support error correcting memory

-
No

Ryzen 5 8645HS vs Core Ultra 5 125U benchmarks

Our benchmark analysis concludes that the Ryzen 5 8645HS performs better than the Core Ultra 5 125U. Furthermore, our gaming benchmark shows that it also outperforms the Core Ultra 5 125U in all gaming tests too.

In terms of the number of cores of each of these CPUs, the Core Ultra 5 125U has significantly more cores than the Ryzen 5 8645HS. Indeed, the Core Ultra 5 125U has 12 cores compared to 6 cores found in the Ryzen 5 8645HS. It also has more threads than the Ryzen 5 8645HS. These CPUs have different clock speeds. Indeed, the Ryzen 5 8645HS has a slightly higher clock speed compared to the Core Ultra 5 125U. Also, the Ryzen 5 8645HS has a slightly higher turbo speed. In terms of cache, the Core Ultra 5 125U has significantly more L2 cache when compared to the Ryzen 5 8645HS. Despite this, the Ryzen 5 8645HS has slightly more L3 cache compared to the Core Ultra 5 125U.

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 Ryzen 5 8645HS has more threads than cores. Each physical core is split into multiple threads.

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