AMD Ryzen 9 3900X vs Intel Core i9-12950HX

Compare AMD Ryzen 9 Desktop 12 core CPU vs Intel 12th Generation Core i9 16 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

8422 points
9181 points
9% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

8440 points
10659 points
26% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

8406 points
8766 points
4% slightly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

8392 points
8710 points
3% slightly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Ryzen 9 3900X and the Core i9-12950HX? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

276.80 points
11% slightly higher Blender score
247.44 points
Cinebench R23 score

Cinebench R23 score

Multi threaded benchmark

19000 points
23113 points
21% slightly higher Cinebench R23 score

Specifications

Cores

Number of physical processing units

12
16
33% slightly more cores

Threads

Number of logical processing units

24
Identical
24

Clock Speed

Base frequency at which the chip operates

3.80 GHz
65% significantly higher clock speed
2.3 GHz

Turbo Speed

Higher frequency used for heavy workloads

4.6 GHz
5 GHz
8% slightly higher turbo speed

TDP

Thermal Design Power: Measure of heat generated by the CPU

105 W
55 W
90% significantly lower TDP

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

L1 Cache

Smallest embedded memory, but the fastest

768 KiB
1280 KiB
66% significantly more L1 cache

L2 Cache

Secondary embedded memory, slower than L1 cache

6 MiB
14 MiB
133% 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

130th of 1,089
108th of 1,089

Family

The product line

Ryzen 9 Desktop
12th Generation Core i9

Release date

The official date of release of this chip

2019 July
2022 May

Memory Type

The type of memory used by this chip

DDR4
DDR5-4800

Is Unlocked

Can this CPU can be overclocked

Yes
No

Supports ECC memory

Does this CPU support error correcting memory

-
Yes

Ryzen 9 3900X vs Core i9-12950HX benchmarks

In our benchmarks, the Core i9-12950HX beats the Ryzen 9 3900X in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Ryzen 9 3900X in all gaming tests too.

In terms of the number of cores of each of these CPUs, the Core i9-12950HX has slightly more cores than the Ryzen 9 3900X. Indeed, the Core i9-12950HX has 16 cores compared to 12 cores found in the Ryzen 9 3900X. But they both have the same number of threads. Our comparison shows that the Ryzen 9 3900X has a significantly higher clock speed compared to the Core i9-12950HX. Despite this, the Core i9-12950HX has a slightly higher turbo speed. The Core i9-12950HX outputs less heat than Ryzen 9 3900X thanks to a significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption. In terms of cache, the Core i9-12950HX has significantly more L2 cache when compared to the Ryzen 9 3900X. Despite this, the Ryzen 9 3900X has significantly more L3 cache compared to the Core i9-12950HX.

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 3900X has more threads than cores. Each physical core is split into multiple threads.

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