AMD Ryzen 9 7945HX vs Intel Core Ultra 7 255HX

Compare AMD Ryzen 9 16 core CPU vs Intel Core Ultra (Series 2) 20 core processor, specs and benchmark score. Which is the better CPU for gaming?

CPU Comparison

Quickly search and compare processors

Benchmark Score

Overall Score

A combined score of all workloads

14004 points
14832 points
5% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

12364 points
14976 points
21% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

14599 points
14778 points
1% slightly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

14860 points
0.66% slightly better heavy workload score
14762 points

Free CPU Benchmark

Want to compare your processor against the Ryzen 9 7945HX and the Core Ultra 7 255HX? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

475.58 points
17% slightly higher Blender score
406.07 points

Specifications

Cores

Number of physical processing units

16
20
25% slightly more cores

Threads

Number of logical processing units

32
60% significantly more threads
20

Clock Speed

Base frequency at which the chip operates

2.50 GHz
4% slightly higher clock speed
2.4 GHz

Turbo Speed

Higher frequency used for heavy workloads

5.4 GHz
3% slightly higher turbo speed
5.2 GHz

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

L2 Cache

Secondary embedded memory, slower than L1 cache

16 MiB
36 MiB
125% significantly more L2 cache

L3 Cache

General memory pool for all cores

64 MiB
113% significantly more L3 cache
30 MiB

Other details

Rank

Ranking in the hardwareDB database

31st of 1,089
25th of 1,089

Family

The product line

Ryzen 9
Core Ultra (Series 2)

Release date

The official date of release of this chip

2023 February
2025 February

Memory Type

The type of memory used by this chip

DDR5
DDR5-6400

Is Unlocked

Can this CPU can be overclocked

Yes
-

Supports ECC memory

Does this CPU support error correcting memory

-
No

Ryzen 9 7945HX vs Core Ultra 7 255HX benchmarks

According to the hardwareDB Benchmark tool, the Core Ultra 7 255HX is faster than the Ryzen 9 7945HX. Furthermore, our gaming benchmark shows that it also outperforms the Ryzen 9 7945HX in all gaming tests too.

When comparing core counts for these CPUs, we notice that the Core Ultra 7 255HX has slightly more cores with 20 cores compared to the Ryzen 9 7945HX that has 16 cores. Despite this, the Ryzen 9 7945HX has more threads than the Core Ultra 7 255HX. These CPUs have different clock speeds. Indeed, the Ryzen 9 7945HX has a slightly higher clock speed compared to the Core Ultra 7 255HX. Also, the Ryzen 9 7945HX has a slightly higher turbo speed. The cache sizes of these CPUs are different. Indeed, the Core Ultra 7 255HX has significantly more L2 cache than the Ryzen 9 7945HX. Despite this, the Ryzen 9 7945HX has significantly more L3 cache compared to the Core Ultra 7 255HX.

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 9 7945HX has more threads than cores. Each physical core is split into multiple threads.

Comments

No comments yet! Be the first to leave a comment using the form below.

Keep comments on topic and be polite. Comments are subject to moderation before they are published.

Popular CPU Comparisons