AMD Ryzen 9 7900X3D vs Intel Core Ultra 7 155U

Compare AMD Ryzen 9 12 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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Specifications
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Benchmark Score

Overall Score

A combined score of all workloads

13385 points

177% significantly better overall score

4819 points

Gaming Score

The raw gaming performance with a fast GPU

13203 points

86% significantly better gaming score

7087 points

Multitasking Score

Performance in workloads using up to 8 cores

13450 points

223% significantly better multitasking score

4161 points

Heavy Workload Score

Performance in workloads using up to 16 cores

13474 points

235% significantly better heavy workload score

4014 points

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Other Benchmarks

Blender score

Cycles Render (Samples per minute)

398.41 points

319% significantly higher Blender score

94.95 points

Specifications

Cores

Number of physical processing units

Identical

Threads

Number of logical processing units

71% significantly more threads

Clock Speed

Base frequency at which the chip operates

4.40 GHz

109% significantly higher clock speed

2.1 GHz

Turbo Speed

Higher frequency used for heavy workloads

5.6 GHz

16% slightly higher turbo speed

4.8 GHz

Memory Channels

Lanes for simultaneous memory access

Identical

L2 Cache

Secondary embedded memory, slower than L1 cache

12 MiB

20% slightly more L2 cache

10 MiB

L3 Cache

General memory pool for all cores

128 MiB

966% significantly more L3 cache

12 MiB

Other details

Rank

Ranking in the hardwareDB database

38th of 1,089

364th of 1,089

Family

The product line

Ryzen 9

Core Ultra (Series 1)

Release date

The official date of release of this chip

2023 February

2023 November

Memory Type

The type of memory used by this chip

DDR5

DDR5-7467

Supports ECC memory

Does this CPU support error correcting memory

Ryzen 9 7900X3D vs Core Ultra 7 155U comparison

According to the hardwareDB Benchmark tool, the Ryzen 9 7900X3D is faster than the Core Ultra 7 155U. Furthermore, our gaming benchmark shows that it also outperforms the Core Ultra 7 155U in all gaming tests too.

When comparing these CPUs we notice that they have the same number of cores but the Ryzen 9 7900X3D has more threads. Our comparison shows that the Ryzen 9 7900X3D has a significantly higher clock speed compared to the Core Ultra 7 155U. Also, the Ryzen 9 7900X3D has a slightly higher turbo speed. In terms of cache, the Ryzen 9 7900X3D has slightly more L2 cache when compared to the Core Ultra 7 155U. The Ryzen 9 7900X3D 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 Ryzen 9 7900X3D has more threads than cores. Each physical core is split into multiple threads.