AMD Ryzen 9 3950X vs Intel Core i9-11900K

Compare AMD Ryzen 9 Desktop 16 core CPU vs Intel 11th Generation Core i9 8 core processor, specs and benchmark score. Which is the better CPU for gaming?

CPU Comparison

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Price

The cheapest price from our partner retailers

$ 399.99
$ 160.00 significantly less expensive
$ 559.99

Benchmark Score

Overall Score

A combined score of all workloads

9228 points
11% slightly better overall score
8281 points

Gaming Score

The raw gaming performance with a fast GPU

7460 points
10754 points
44% significantly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

9844 points
31% slightly better multitasking score
7475 points

Heavy Workload Score

Performance in workloads using up to 16 cores

10084 points
38% slightly better heavy workload score
7270 points

Free CPU Benchmark

Want to compare your processor against the Ryzen 9 3950X and the Core i9-11900K? Download our free and quick PC Performance Test.

Other Benchmarks

3DMark Physics score

3DMark Physics score

Physics simulation benchmark

10804 points
28% slightly higher 3DMark Physics score
8414 points
Blender score

Blender score

Cycles Render (Samples per minute)

371.88 points
75% significantly higher Blender score
212.26 points
Geekbench 5 (multi) score

Geekbench 5 (multi) score

Multi threaded benchmark

10775 points
1% slightly higher Geekbench 5 (multi) score
10589 points
Geekbench 5 (single) score

Geekbench 5 (single) score

Single threaded benchmark

1676 points
2288 points
36% slightly higher Geekbench 5 (single) score
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

10665 points
11108 points
4% slightly higher Geekbench 6 (multi) score
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

1722 points
2402 points
39% slightly higher Geekbench 6 (single) score

Specifications

Cores

Number of physical processing units

16
100% significantly more cores
8

Threads

Number of logical processing units

32
100% significantly more threads
16

Clock Speed

Base frequency at which the chip operates

3.5 GHz
Identical
3.5 GHz

Turbo Speed

Higher frequency used for heavy workloads

4.7 GHz
5.3 GHz
12% slightly higher turbo speed

TDP

Thermal Design Power: Measure of heat generated by the CPU

105 W
19% slightly lower TDP
125 W

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

L1 Cache

Smallest embedded memory, but the fastest

1024 KiB
60% significantly more L1 cache
640 KiB

L2 Cache

Secondary embedded memory, slower than L1 cache

8 MiB
100% significantly more L2 cache
4 MiB

L3 Cache

General memory pool for all cores

64 MiB
300% significantly more L3 cache
16 MiB

Other details

Rank

Ranking in the hardwareDB database

105th of 1,089
136th of 1,089

Family

The product line

Ryzen 9 Desktop
11th Generation Core i9

Release date

The official date of release of this chip

2019 November
2021 February

Memory Type

The type of memory used by this chip

DDR4
DDR4-3200

Is Unlocked

Can this CPU can be overclocked

Yes
Yes

Supports ECC memory

Does this CPU support error correcting memory

-
No

Ryzen 9 3950X vs Core i9-11900K specs and performance

According to the hardwareDB Benchmark tool, the Ryzen 9 3950X is faster than the Core i9-11900K. Despite this, the Core i9-11900K has the advantage in our gaming benchmark.

When comparing core counts for these CPUs, we notice that the Ryzen 9 3950X has significantly more cores with 16 cores compared to the Core i9-11900K that has 8 cores. It also has more threads than the Core i9-11900K. Both the Ryzen 9 3950X and Core i9-11900K have the same clock speed. Despite this, the Core i9-11900K has a slightly higher turbo speed. A Ryzen 9 3950X CPU outputs less heat than a Core i9-11900K CPU because of its slightly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption. In terms of cache, the Ryzen 9 3950X has significantly more L2 cache when compared to the Core i9-11900K. The Ryzen 9 3950X 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 Ryzen 9 3950X has more threads than cores. Each physical core is split into multiple threads.

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