73points
87points

AMD Ryzen 9 3900X

80points
89points

AMD Ryzen 9 3950X

AMD Ryzen 9 3950X
Comparison winner
Cost-effectiveness winner
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amd-ryzen-9-3950x 3
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36 facts in comparison

AMD Ryzen 9 3900X vs AMD Ryzen 9 3950X

AMD Ryzen 9 3900X
AMD Ryzen 9 3950X

Why is AMD Ryzen 9 3900X better than AMD Ryzen 9 3950X?

  • 0.83MB/core more L3 cache per core
    ?

    5.33MB/corevs4.5MB/core

Why is AMD Ryzen 9 3950X better than AMD Ryzen 9 3900X?

  • 22.81% faster CPU speed
    ?

    16 x 3.5GHzvs12 x 3.8GHz
  • 8 more CPU threads
    ?

    32vs24
  • 2.1MB bigger L2 cache
    ?

    8.1MBvs6MB
  • 19.78% higher PassMark result
    ?

    39319vs32827
  • 8MB bigger L3 cache
    ?

    72MBvs64MB
  • 0.1GHz higher turbo clock speed
    ?

    4.7GHzvs4.6GHz
  • 768KB bigger L1 cache
    ?

    1536KBvs768KB
  • 0.88% higher PassMark result (single)
    ?

    2750vs2726

Price comparison

AMD Ryzen 9 3900X

ProductStorePrice
AMD Ryzen 9 3900X AmazonAMD Ryzen 9 3900X 12-core, 24-thread unl...AMD Ryzen 9 3900X 12-core, 24-thread unlocked desktop processor with Wraith Prism LED Cooler
Amazon logo
$446.74
AMD Ryzen 9 3900X AmazonAMD Ryzen 9 3900X with Wraith Prism cool...AMD Ryzen 9 3900X with Wraith Prism cooler 3.8 GHz 12 Core / 24 Thread 70MB 105W 100-100000023BOX 3 Year Warranty
Amazon logo
$563.93
AMD Ryzen 9 3900X walmartAMD Ryzen 7 2700 8-Core 3.2 GHz AM4 Proc...AMD Ryzen 7 2700 8-Core 3.2 GHz AM4 Processor
walmart logo
$349.99

AMD Ryzen 9 3950X

ProductStorePrice
AMD Ryzen 9 3950X AmazonAMD Ryzen 9 3950X 16-Core, 32-Thread Unl...AMD Ryzen 9 3950X 16-Core, 32-Thread Unlocked Desktop Processor, Without Cooler
Amazon logo
$659.99

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General info

1.Supports 64-bit
AMD Ryzen 9 3900X
AMD Ryzen 9 3950X
A 32-bit operating system can only support up to 4GB of RAM. 64-bit allows more than 4GB, giving increased performance. It also allows you to run 64-bit apps.
2.semiconductor size

7nm

7nm

Small semiconductors provide better performance and reduced power consumption. Chipsets with a higher number of transistors, semiconductor components of electronic devices, offer more computational power. A small form factor allows more transistors to fit on a chip, therefore increasing its performance.
3.Thermal Design Power (TDP)

105W

105W

The thermal design power (TDP) is the maximum amount of power the cooling system needs to dissipate. A lower TDP typically means that it consumes less power.
4.PCI Express (PCIe) version

4

4

Peripheral Component Interconnect Express (PCIe) is a high-speed interface standard for connecting components, such as graphics cards and SSDs, to a motherboard. Newer versions can support more bandwidth and deliver better performance.
5.CPU temperature

95°C

95°C

If the CPU exceeds the maximum operating temperature then problems such as random resets can occur.
6.Has integrated graphics
AMD Ryzen 9 3900X
AMD Ryzen 9 3950X
With integrated graphics you don’t need to buy a separate graphics card.

Performance

1.CPU speed

12 x 3.8GHz

16 x 3.5GHz

The CPU speed indicates how many processing cycles per second can be executed by a CPU, considering all of its cores (processing units). It is calculated by adding the clock rates of each core or, in the case of multi-core processors employing different microarchitectures, of each group of cores.
2.CPU threads

24

32

More threads result in faster performance and better multitasking.
3.L2 cache

6MB

8.1MB

A larger L2 cache results in faster CPU and system-wide performance.
4.L3 cache

64MB

72MB

A larger L3 cache results in faster CPU and system-wide performance.
5.turbo clock speed

4.6GHz

4.7GHz

When the CPU is running below its limitations, it can boost to a higher clock speed in order to give increased performance.
6.L1 cache

768KB

1536KB

A larger L1 cache results in faster CPU and system-wide performance.

Memory

1.memory channels

2

2

More memory channels increases the speed of data transfer between the memory and the CPU.
2.Supports ECC memory
AMD Ryzen 9 3900X
AMD Ryzen 9 3950X
Error-correcting code memory can detect and correct data corruption. It is used when is it essential to avoid corruption, such as scientific computing or when running a server.
3.DDR memory version

4

4

DDR (Double Data Rate) memory is the most common type of RAM. Newer versions of DDR memory support higher maximum speeds and are more energy-efficient.

Features

1.Has AES
AMD Ryzen 9 3900X
AMD Ryzen 9 3950X
AES is used to speed up encryption and decryption.
2.Supports hardware-assisted virtualization
AMD Ryzen 9 3900X
AMD Ryzen 9 3950X
It is easier to obtain better performance when using virtualization if it is hardware-assisted.
3.SSE version

4.2

4.2

SSE is used to speed up multimedia tasks such as editing an image or adjusting audio volume. Each new version contains new instructions and improvements.
4.Has AVX
AMD Ryzen 9 3900X
AMD Ryzen 9 3950X
AVX is used to help speed up calculations in multimedia, scientific and financial apps, as well as improving Linux RAID software performance.
5.Has MMX
AMD Ryzen 9 3900X
AMD Ryzen 9 3950X
MMX is used to speed up tasks such as adjusting the contrast of an image or adjusting volume.
6.Has F16C
AMD Ryzen 9 3900X
AMD Ryzen 9 3950X
F16C is used to speed up tasks such as adjusting the contrast of an image or adjusting volume.

Benchmarks

1.PassMark result

32827

39319

This benchmark measures the performance of the CPU using multiple threads.
2.PassMark result (single)

2726

2750

This benchmark measures the performance of the CPU using a single thread.
3.Geekbench 5 result (multi)

12042

14163

Geekbench 5 is a cross-platform benchmark that measures a processor's multi-core performance. (Source: Primate Labs, 2020)
4.Cinebench R20 (multi) result

7178

9148

Cinebench R20 is a benchmark tool that measures a CPU's multi-core performance by rendering a 3D scene.
5.Cinebench R20 (single) result

521

531

Cinebench R20 is a benchmark tool that measures a CPU's single-core performance by rendering a 3D scene.
6.Geekbench 5 result (single)

1277

1295

Geekbench 5 is a cross-platform benchmark that measures a processor's single-core performance. (Source: Primate Labs, 2020)

Price comparison

AMD Ryzen 9 3900X

ProductStorePrice
AMD Ryzen 9 3900X AmazonAMD Ryzen 9 3900X 12-core, 24-thread unl...AMD Ryzen 9 3900X 12-core, 24-thread unlocked desktop processor with Wraith Prism LED Cooler
Amazon logo
$446.74
AMD Ryzen 9 3900X AmazonAMD Ryzen 9 3900X with Wraith Prism cool...AMD Ryzen 9 3900X with Wraith Prism cooler 3.8 GHz 12 Core / 24 Thread 70MB 105W 100-100000023BOX 3 Year Warranty
Amazon logo
$563.93
AMD Ryzen 9 3900X walmartAMD Ryzen 7 2700 8-Core 3.2 GHz AM4 Proc...AMD Ryzen 7 2700 8-Core 3.2 GHz AM4 Processor
walmart logo
$349.99

AMD Ryzen 9 3950X

ProductStorePrice
AMD Ryzen 9 3950X AmazonAMD Ryzen 9 3950X 16-Core, 32-Thread Unl...AMD Ryzen 9 3950X 16-Core, 32-Thread Unlocked Desktop Processor, Without Cooler
Amazon logo
$659.99

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