Intel Core i9-12900HX vs AMD Ryzen 9 7945HX3D

Compare Intel 12th Generation Core i9 16 core CPU vs AMD Ryzen 9 16 core processor, specs and benchmark score. Which is the better CPU for gaming?

Benchmark Score
Other Benchmarks
Specifications
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Benchmark Score

Overall Score

A combined score of all workloads

11511 points

11621 points

0.96% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

12078 points

17% slightly better gaming score

10251 points

Multitasking Score

Performance in workloads using up to 8 cores

11322 points

12118 points

7% slightly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

11290 points

12323 points

9% slightly better heavy workload score

Free CPU Benchmark

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Other Benchmarks

3DMark Physics score

Physics simulation benchmark

9511 points

12988 points

36% slightly higher 3DMark Physics score

Blender score

Cycles Render (Samples per minute)

279.75 points

463.95 points

65% significantly higher Blender score

Cinebench R23 score

Multi threaded benchmark

23482 points

32782 points

39% slightly higher Cinebench R23 score

Specifications

Cores

Number of physical processing units

Identical

Threads

Number of logical processing units

33% slightly more threads

Clock Speed

Base frequency at which the chip operates

2.3 GHz

2.30 GHz

0.04% slightly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

5 GHz

5.4 GHz

8% slightly higher turbo speed

TDP

Thermal Design Power: Measure of heat generated by the CPU

55 W

Identical

55 W

Memory Channels

Lanes for simultaneous memory access

Identical

L1 Cache

Smallest embedded memory, but the fastest

1280 KiB

25% slightly more L1 cache

1024 KiB

L2 Cache

Secondary embedded memory, slower than L1 cache

4 MiB

16 MiB

300% significantly more L2 cache

L3 Cache

General memory pool for all cores

30 MiB

192 MiB

540% significantly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

58th of 1,089

56th of 1,089

Family

The product line

12th Generation Core i9

Ryzen 9

Release date

The official date of release of this chip

2022 May

2023 July

Memory Type

The type of memory used by this chip

DDR5-4800

DDR5

Is Unlocked

Can this CPU can be overclocked

Yes

Supports ECC memory

Does this CPU support error correcting memory

Core i9-12900HX vs Ryzen 9 7945HX3D specs and performance

According to the hardwareDB Benchmark tool, the Ryzen 9 7945HX3D is faster than the Core i9-12900HX. Furthermore, our gaming benchmark shows that it also outperforms the Core i9-12900HX in all gaming tests too.

When comparing these CPUs we notice that they have the same number of cores but the Ryzen 9 7945HX3D has more threads. These CPUs have different clock speeds. Indeed, the Ryzen 9 7945HX3D has a slightly higher clock speed compared to the Core i9-12900HX. The info from our database shows that the Ryzen 9 7945HX3D has more L2 cache than the Core i9-12900HX. The Ryzen 9 7945HX3D 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 i9-12900HX has more threads than cores. Each physical core is split into multiple threads.