AMD Ryzen 9 3950X Ryzen 9 3950X R9 3950X 3.5 GHz 16-Core 32-Thread CPU Processor 7NM L3=64M 100-000000051 Socket AM4

General information

Type

CPU / Microprocessor

Market segment

Desktop

Family

Model number  ? 

3950X

CPU part numbers

• 100-000000051 is an OEM/tray microprocessor

• 100-100000051WOF is a boxed microprocessor without fan and heatsink

Frequency ? 

3500 MHz

Maximum turbo frequency

4700 MHz

Package

1331-pin lidded micro-PGA package

Socket

Socket AM4

Introduction date

June 10, 2019 (announcement)
November 25, 2019 (availability)

Price at introduction

$749

Architecture / Microarchitecture

Microarchitecture

Zen 2

Processor core  ? 

Matisse

CPUID

870F10

Manufacturing process

0.007 micron TSMC FinFET process

Data width

64 bit

The number of CPU cores

16

The number of threads

32

Floating Point Unit

Integrated

Level 1 cache size  ? 

16 x 32 KB 8-way set associative instruction caches
16 x 32 KB 8-way set associative data caches

Level 2 cache size ? 

16 x 512 KB 8-way set associative unified caches

Level 3 cache size

4 x 16 MB 16-way set associative shared caches

Cache latency

4 (L1 cache)
12 (L2 cache)
40 (L3 cache)

Multiprocessing

Uniprocessor

Extensions and Technologies

• MMX instructions

• Extensions to MMX

• SSE / Streaming SIMD Extensions

• SSE2 / Streaming SIMD Extensions 2

• SSE3 / Streaming SIMD Extensions 3

• SSSE3 / Supplemental Streaming SIMD Extensions 3

• SSE4 / SSE4.1 + SSE4.2 / Streaming SIMD Extensions 4  ? 

• SSE4a  ? 

• AES / Advanced Encryption Standard instructions

• AVX / Advanced Vector Extensions

• AVX2 / Advanced Vector Extensions 2.0

• BMI / BMI1 + BMI2 / Bit Manipulation instructions

• F16C / 16-bit Floating-Point conversion instructions

• FMA3 / 3-operand Fused Multiply-Add instructions

• SHA / Secure Hash Algorithm extensions

• AMD64 / AMD 64-bit technology  ? 

• SMT / Simultaneous MultiThreading

• Precision Boost 2

• AMD-V / AMD Virtualization technology

Security Features

• EVP / Enhanced Virus Protection  ? 

• SMAP / Supervisor Mode Access Prevention

• SMEP / Secure Mode Execution Protection

Low power features

• Pure Power

Integrated peripherals / components

Integrated graphics

None

Memory controller

Memory channels: 2
Supported memory: DDR4-3200
DIMMs per channel: 2

Other peripherals

• PCI-Express 4.0 interface (16 lanes)

Electrical / Thermal parameters

Thermal Design Power ? 

105 Watt