AMD Ryzen Threadripper PRO 3955WX Processor

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Ryzen Threadripper PRO 3955WX is a desktop processor from AMD released on 14 July 2020, and it is in active production status now. It belongs to Ryzen Threadripper family and has a Matisse architecture. This processor is built on AMD Socket WRX8, and uses Gen 4, 128 Lanes(CPU only) PCI express connection. 7 nm process is used in production.

Processor has 16 cores and 32 threads, with the base frequency of 3.9 GHz. It has DDR4-3200 MHz Eight-channel memory support. As for the cache, it supports L1 64K (per core), L2 512K (per core) and L3 64MB.

Learn more about AMD Ryzen Threadripper PRO 3955WX:

Specifications

Vertical Segment
Desktop
Release date
14 July 2020
Production status
Active
Generation
Ryzen Threadripper
Codename
Matisse
Socket
AMD Socket WRX8
Total Cores
16
Total Threads
32
Frequency
3.9 GHz
Turbo clock
up to 4.3 GHz
Cache L1
64K (per core)
Cache L2
512K (per core)
Cache L3
64MB
TDP
280 W

Physical Specifications

Socket
AMD Socket WRX8
Foundry
TSMC
Process size
7 nm
Transistors
3,800 million
Die size
74 mm²
Package
sWRX8
tCaseMax
95°C

Performance

Frequency
3.9 GHz
Turbo clock
up to 4.3 GHz
Base clock
100 MHz
Multiplier
39.0x
Multiplier unlocked
No
TDP
280 W
FP32
3,302.4 GFLOPS

Architecture Details

Vertical Segment
Desktop
Production status
Active
Release date
14 July 2020
Codename
Matisse
Generation
Ryzen Threadripper
Part
100-000000167
Memory support
DDR4-3200 MHz Eight-channel
ECC memory
Yes
PCI Express
Gen 4, 128 Lanes(CPU only)

Cores

Total Cores
16
Total Threads
32
SMP # CPUs
1
Integrated graphics
N/A

Cache

Cache L1
64K (per core)
Cache L2
512K (per core)
Cache L3
64MB

Notes

Notes
This processor comes with an unlocked base clock multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking.

Features & Technologies

  • MMX
  • SSE
  • SSE2
  • SSE3
  • SSSE3
  • SSE4A
  • SSE4.1
  • SSE4.2
  • AES
  • AVX
  • AVX2
  • BMI1
  • BMI2
  • SHA
  • F16C
  • FMA3
  • AMD64
  • EVP
  • AMD-V
  • SMAP
  • SMEP
  • Precision Boost 2
  • XFR 2
  • SMT

Drivers

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