AMD Ryzen 9 3900X vs Intel Core i5-10400F

Compare AMD Ryzen 9 Desktop 12 core CPU vs Intel 10th Generation Core i5 6 core processor, specs and benchmark score. Which is the better CPU for gaming?

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Price

The cheapest price from our partner retailers

$ 229.99
$ 169.95
$ 60.04 significantly less expensive

Benchmark Score

Overall Score

A combined score of all workloads

8422 points
73% significantly better overall score
4847 points

Gaming Score

The raw gaming performance with a fast GPU

8440 points
26% slightly better gaming score
6648 points

Multitasking Score

Performance in workloads using up to 8 cores

8406 points
96% significantly better multitasking score
4269 points

Heavy Workload Score

Performance in workloads using up to 16 cores

8392 points
103% significantly better heavy workload score
4133 points

Free CPU Benchmark

Want to compare your processor against the Ryzen 9 3900X and the Core i5-10400F? Download our free and quick PC Performance Test.

Other Benchmarks

3DMark Physics score

3DMark Physics score

Physics simulation benchmark

8594 points
80% significantly higher 3DMark Physics score
4768 points
Blender score

Blender score

Cycles Render (Samples per minute)

276.80 points
148% significantly higher Blender score
111.48 points
Geekbench 5 (multi) score

Geekbench 5 (multi) score

Multi threaded benchmark

9929 points
71% significantly higher Geekbench 5 (multi) score
5783 points
Geekbench 5 (single) score

Geekbench 5 (single) score

Single threaded benchmark

1667 points
17% slightly higher Geekbench 5 (single) score
1414 points
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

9907 points
71% significantly higher Geekbench 6 (multi) score
5782 points
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

1704 points
17% slightly higher Geekbench 6 (single) score
1454 points

Specifications

Cores

Number of physical processing units

12
100% significantly more cores
6

Threads

Number of logical processing units

24
100% significantly more threads
12

Clock Speed

Base frequency at which the chip operates

3.80 GHz
31% slightly higher clock speed
2.9 GHz

Turbo Speed

Higher frequency used for heavy workloads

4.6 GHz
6% slightly higher turbo speed
4.3 GHz

TDP

Thermal Design Power: Measure of heat generated by the CPU

105 W
65 W
61% significantly lower TDP

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

L1 Cache

Smallest embedded memory, but the fastest

768 KiB
100% significantly more L1 cache
384 KiB

L2 Cache

Secondary embedded memory, slower than L1 cache

6 MiB
300% significantly more L2 cache
1.5 MiB

L3 Cache

General memory pool for all cores

64 MiB
433% significantly more L3 cache
12 MiB

Other details

Rank

Ranking in the hardwareDB database

130th of 1,089
359th of 1,089

Family

The product line

Ryzen 9 Desktop
10th Generation Core i5

Release date

The official date of release of this chip

2019 July
2020 May

Memory Type

The type of memory used by this chip

DDR4
DDR4-2666

Is Unlocked

Can this CPU can be overclocked

Yes
No

Supports ECC memory

Does this CPU support error correcting memory

-
No

Ryzen 9 3900X vs Core i5-10400F benchmarks

Our benchmark analysis concludes that the Ryzen 9 3900X performs better than the Core i5-10400F. Furthermore, our gaming benchmark shows that it also outperforms the Core i5-10400F in all gaming tests too.

With info from our database, we find that the Ryzen 9 3900X has significantly more cores with 12 cores whereas the Core i5-10400F has 6 cores. It also has more threads than the Core i5-10400F. With our hardware info, we find that the Ryzen 9 3900X has a slightly higher clock speed than the Core i5-10400F. Also, the Ryzen 9 3900X has a slightly higher turbo speed. The Core i5-10400F 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. The cache sizes of these CPUs are different. Indeed, the Ryzen 9 3900X has significantly more L2 cache than the Core i5-10400F. The Ryzen 9 3900X also has significantly more L3 cache.

Most CPUs have more threads than cores. This technology, colloquially called hyperthreading, improves performance by splitting a core into multiple virtual ones. This provides more efficient utilisation of a core. Indeed, the Ryzen 9 3900X has more threads than cores. Each physical core is split into multiple threads.

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