AMD Ryzen 9 7945HX3D vs Intel Core Ultra 9 275HX

Compare AMD Ryzen 9 16 core CPU vs Intel 24 core processor, specs and benchmark score. Which is the better CPU for gaming?

CPU Comparison

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Benchmark Score

Overall Score

A combined score of all workloads

11621 points
15155 points
30% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

10251 points
14741 points
43% significantly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

12118 points
15354 points
26% slightly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

12323 points
15488 points
25% slightly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Ryzen 9 7945HX3D and the Core Ultra 9 275HX? Download our free and quick PC Performance Test.

Other Benchmarks

3DMark Physics score

3DMark Physics score

Physics simulation benchmark

12988 points
16352 points
25% slightly higher 3DMark Physics score
Blender score

Blender score

Cycles Render (Samples per minute)

463.95 points
466.44 points
0.54% slightly higher Blender score
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

16655 points
17922 points
7% slightly higher Geekbench 6 (multi) score
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

2764 points
2844 points
2% slightly higher Geekbench 6 (single) score

Specifications

Cores

Number of physical processing units

16
24
49% significantly more cores

Threads

Number of logical processing units

32
33% slightly more threads
24

Clock Speed

Base frequency at which the chip operates

2.30 GHz
2.7 GHz
17% slightly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

5.4 GHz
Identical
5.4 GHz

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

L2 Cache

Secondary embedded memory, slower than L1 cache

16 MiB
40 MiB
150% significantly more L2 cache

L3 Cache

General memory pool for all cores

192 MiB
433% significantly more L3 cache
36 MiB

Other details

Rank

Ranking in the hardwareDB database

56th of 1,089
22nd of 1,089

Family

The product line

Ryzen 9
Core Ultra (Series 2)

Release date

The official date of release of this chip

2023 July
2025 February

Memory Type

The type of memory used by this chip

DDR5
DDR5-6400

Supports ECC memory

Does this CPU support error correcting memory

-
No

Ryzen 9 7945HX3D vs Core Ultra 9 275HX benchmarks

In our benchmarks, the Core Ultra 9 275HX beats the Ryzen 9 7945HX3D in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Ryzen 9 7945HX3D in all gaming tests too.

With info from our database, we find that the Core Ultra 9 275HX has significantly more cores with 24 cores whereas the Ryzen 9 7945HX3D has 16 cores. Despite this, the Ryzen 9 7945HX3D has more threads than the Core Ultra 9 275HX. Our comparison shows that the Core Ultra 9 275HX has a slightly higher clock speed compared to the Ryzen 9 7945HX3D. The info from our database shows that the Core Ultra 9 275HX has more L2 cache than the Ryzen 9 7945HX3D. Despite this, the Ryzen 9 7945HX3D has significantly more L3 cache compared to the Core Ultra 9 275HX.

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 7945HX3D has more threads than cores. Each physical core is split into multiple threads.

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