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Ryzen R7 1700 problem in multithread?

Question asked by eros.menezes.cabral on Apr 5, 2017
Latest reply on Apr 7, 2017 by gkeawe

Hi,
I recently bought a AMD Ryzen CPU, R7 1700.

I tested the processor with CPU z, in single and multithread built-in bench, and both configurations of SMT: off and on.

 

SMT on

Single: ~1700-1850

Multi: ~12000-13000

 

SMT off

Single: ~1700-1850

Multi: ~10000-11000

 

I think the results stranges. Little diference between 8 and 16 threads.

 

And an other user with same processor in a fórum that i have participated in stock clock, SMT on, get the results below:

SMT on

Single: ~1900-2100

Multi: ~16000-16500

 

In a review of Clube do Hardware, the 1700X, more powerfull than 1700, get ~8000 in multithread.

http://www.clubedohardware.com.br/artigos/processadores/teste-do-processador-ryzen-7-1700x-r36673/?nbcpage=6

 

My setup is this:

AMD Ryzen R7 1700 @ 3,2Ghz

XFX RX 480 RS 8GB @ 1288Mhz(Clock)/2000Mhz(Memória)

MSI B350 Tomahawk (Bios: 1.2)

2X8GB G.Skill TridentZ DDR4 2933 Mhz (16_18_18_18_38)

SSD OCZ Agility 3 120 GB (System and Programs)

2x2TB Seagate Barracuda Sata 3 (Files and Programs)

EVGA GQ 650 Watts

Windows 10 64 bits/Crimson Relive 17.3.3

 

CPUz 1.78

 

My question and resume:

What is happening? Someone have a similar problem?

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