Intel Core i9-12900HX vs AMD Ryzen 9 7845HX

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

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Specifications
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CPU Comparison

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Benchmark Score

Overall Score

A combined score of all workloads

11511 points

12102 points

5% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

12078 points

3% slightly better gaming score

11676 points

Multitasking Score

Performance in workloads using up to 8 cores

11322 points

12246 points

8% slightly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

11290 points

12288 points

8% slightly better heavy workload score

Free CPU Benchmark

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Other Benchmarks

3DMark Physics score

Physics simulation benchmark

9511 points

11567 points

21% slightly higher 3DMark Physics score

Blender score

Cycles Render (Samples per minute)

279.75 points

342.81 points

22% slightly higher Blender score

Cinebench R23 score

Multi threaded benchmark

23482 points

26876 points

14% slightly higher Cinebench R23 score

Specifications

Cores

Number of physical processing units

33% slightly more cores

Threads

Number of logical processing units

Identical

Clock Speed

Base frequency at which the chip operates

2.3 GHz

3.00 GHz

30% slightly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

5 GHz

5.2 GHz

4% 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

67% significantly more L1 cache

764 KiB

L2 Cache

Secondary embedded memory, slower than L1 cache

4 MiB

12 MiB

200% significantly more L2 cache

L3 Cache

General memory pool for all cores

30 MiB

64 MiB

113% significantly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

58th of 1,089

49th 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 February

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 7845HX specs and performance

Our benchmark analysis concludes that the Ryzen 9 7845HX performs better than the Core i9-12900HX. Despite this, the Core i9-12900HX has the advantage in our gaming benchmark.

With info from our database, we find that the Core i9-12900HX has slightly more cores with 16 cores whereas the Ryzen 9 7845HX has 12 cores. But they both have the same number of threads. These CPUs have different clock speeds. Indeed, the Ryzen 9 7845HX has a slightly higher clock speed compared to the Core i9-12900HX. In terms of cache, the Ryzen 9 7845HX has significantly more L2 cache when compared to the Core i9-12900HX. The Ryzen 9 7845HX 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.