Intel Core Ultra 7 155H vs AMD Ryzen 5 8645HS

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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Specifications
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Benchmark Score

Overall Score

A combined score of all workloads

7084 points

0.62% slightly better overall score

7040 points

Gaming Score

The raw gaming performance with a fast GPU

9220 points

9593 points

4% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

6469 points

3% slightly better multitasking score

6234 points

Heavy Workload Score

Performance in workloads using up to 16 cores

6362 points

5% slightly better heavy workload score

6029 points

Free CPU Benchmark

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Other Benchmarks

Blender score

Cycles Render (Samples per minute)

159.93 points

1% slightly higher Blender score

156.82 points

Specifications

Cores

Number of physical processing units

166% significantly more cores

Threads

Number of logical processing units

83% significantly more threads

Clock Speed

Base frequency at which the chip operates

1.4 GHz

4.30 GHz

207% significantly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

4.8 GHz

5 GHz

4% slightly higher turbo speed

Memory Channels

Lanes for simultaneous memory access

Identical

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

189th 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

Supports ECC memory

Does this CPU support error correcting memory

Core Ultra 7 155H vs Ryzen 5 8645HS benchmarks

According to the hardwareDB Benchmark tool, the Core Ultra 7 155H is faster than the Ryzen 5 8645HS. Despite this, the Ryzen 5 8645HS has the advantage in our gaming benchmark.

With info from our database, we find that the Core Ultra 7 155H has significantly more cores with 16 cores whereas the Ryzen 5 8645HS has 6 cores. It also has more threads than the Ryzen 5 8645HS. With our hardware info, we find that the Ryzen 5 8645HS has a significantly higher clock speed than the Core Ultra 7 155H. Also, the Ryzen 5 8645HS has a slightly higher turbo speed. The info from our database shows that the Core Ultra 7 155H has more L2 cache than the Ryzen 5 8645HS. The Core Ultra 7 155H also has significantly 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 Ultra 7 155H has more threads than cores. Each physical core is split into multiple threads.