AMD Ryzen 9 3900XT vs Intel Core i9-12900H

Compare AMD Ryzen 9 Desktop 12 core CPU vs Intel 12th Generation Core i9 14 core processor, specs and benchmark score. Which is the better CPU for gaming?

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Benchmark Score

Overall Score

A combined score of all workloads

8378 points
2% slightly better overall score
8158 points

Gaming Score

The raw gaming performance with a fast GPU

8533 points
10256 points
20% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

8330 points
10% slightly better multitasking score
7544 points

Heavy Workload Score

Performance in workloads using up to 16 cores

8329 points
11% slightly better heavy workload score
7441 points

Free CPU Benchmark

Want to compare your processor against the Ryzen 9 3900XT and the Core i9-12900H? Download our free and quick PC Performance Test.

Other Benchmarks

3DMark Physics score

3DMark Physics score

Physics simulation benchmark

8585 points
13% slightly higher 3DMark Physics score
7534 points
Blender score

Blender score

Cycles Render (Samples per minute)

275.17 points
31% slightly higher Blender score
209.04 points

Specifications

Cores

Number of physical processing units

12
14
16% slightly more cores

Threads

Number of logical processing units

24
20% slightly more threads
20

Clock Speed

Base frequency at which the chip operates

3.8 GHz
52% significantly higher clock speed
2.5 GHz

Turbo Speed

Higher frequency used for heavy workloads

4.7 GHz
5 GHz
6% slightly higher turbo speed

TDP

Thermal Design Power: Measure of heat generated by the CPU

105 W
45 W
133% significantly lower TDP

L1 Cache

Smallest embedded memory, but the fastest

768 KiB
1120 KiB
45% significantly more L1 cache

L3 Cache

General memory pool for all cores

64 MiB
166% significantly more L3 cache
24 MiB

Other details

Rank

Ranking in the hardwareDB database

131st of 1,089
142nd of 1,089

Family

The product line

Ryzen 9 Desktop
12th Generation Core i9

Release date

The official date of release of this chip

2020 July
2022 February

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

-
No

Ryzen 9 3900XT vs Core i9-12900H benchmarks

Our benchmark analysis concludes that the Core i9-12900H performs better than the Ryzen 9 3900XT. Furthermore, our gaming benchmark shows that it also outperforms the Ryzen 9 3900XT in all gaming tests too.

When comparing core counts for these CPUs, we notice that the Core i9-12900H has slightly more cores with 14 cores compared to the Ryzen 9 3900XT that has 12 cores. Despite this, the Ryzen 9 3900XT has more threads than the Core i9-12900H. With our hardware info, we find that the Ryzen 9 3900XT has a significantly higher clock speed than the Core i9-12900H. Despite this, the Core i9-12900H has a slightly higher turbo speed. The Core i9-12900H outputs less heat than Ryzen 9 3900XT thanks to a significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption.

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

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