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 AMD Ryzen, AM4 / AM5 Platform

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Acid_RuleZz
post Feb 26 2017, 07:02 PM

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QUOTE(lolzcalvin @ Feb 26 2017, 06:47 PM)
Intel Kaby Lake and Skylake Processors "Get Massive Price Cuts"

VERDICT: those who want to get a new intel pc build shall stop immediately and wait for the price drop in MY lol
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Microcenter always have this "massive" discounts for their walk-in customer, it's not Intel's official price cut.
Acid_RuleZz
post Feb 27 2017, 03:35 PM

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QUOTE(shah770 @ Feb 27 2017, 11:47 AM)
Is there any micro center in Malaysia ?
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No, only in US afaik.
Acid_RuleZz
post Mar 3 2017, 11:10 AM

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QUOTE(Eterman @ Mar 3 2017, 10:28 AM)
years ago, many would be satisfied if ryzen can reach close to haswell, but they exceeded that. Much improved power consumption. Reading the reviews and youtubes, there seems to be problem with AMD's SMT that causes performance penalties. Synthetics show ryzen do have a lot of raw power, probably poor optimization as mentioned in this thread.

Seeing the rage in reddit, it seems that people overhype themselves, thinking of a fantasy miracle from lackluster bulldozer family to outright crushing/buttkicking ryzen.

can't wait for ryzen cpu and apu in laptops in 2h 2017, planning to replace my c2d laptop.

Hope this time, laptop manufacturers put in a good ryzen chip with above-average to good specifications. As current amd laptops, either have weak cpu versions, single channel ram or low res screen.
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Years? try a month ago. laugh.gif
Acid_RuleZz
post Mar 5 2017, 11:38 AM

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QUOTE(cj7 @ Mar 5 2017, 10:04 AM)
Any idea on power consumption? from many review site, power consumption higher than advertised.
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Depend on your workload, i think the power consumption is really good for 8c/16t processors.
Acid_RuleZz
post Mar 5 2017, 02:29 PM

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QUOTE(cj7 @ Mar 5 2017, 02:00 PM)
i mix up tdp with power consumption. Thought that tdp = power consumption.
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Yeah, including myself sometime. tongue.gif

TomsHardware - Various loads | Processor load read from Mainboard sensor [1800x]
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Goldfries - OCCT Linpack with AVX | Full system load with RX-470 [1800x]
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PCPer - Cinebench r15 | Full System load [1800x]
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HotHardware - Full system load [1800x, 1700x, 1700]
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Acid_RuleZz
post Mar 5 2017, 03:30 PM

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QUOTE(AMDAthlon @ Mar 5 2017, 02:34 PM)
The power consumption is better than Intel 8 core parts and even 7700k in certain case which is great. But from the graph can be seen once overclocked, the power consumption shoots  shocking.gif
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Yeah, in his thread The Stilt claim that pushing over 3.8Ghz is "extremely costly".

QUOTE
The overclocking headroom for the higher-end Ryzen models is rather slim. This was expected due to the relatively high stock frequencies, high-density orientation of the design and the low power targeted manufacturing process used for the Zeppelin die (Samsung 14nm LPP).

As indicated by the Vmin-Fmax curve, Zeppelin's voltage scaling is perfectly linear until 3.3GHz (25mV per 100MHz). The first deviation ("Critical 1") from this linear behavior can be seen at 3.3GHz. The second and the final deviation ("Critical 2") can be seen at 3.5GHz. Beyond this point the voltage scaling is neither linear or recovers even temporarily, and the CPU is requiring higher voltage in increasingly larger steps to scale further.

The ideal frequency range for the process or the design (as a whole) appears to be 2.1 - 3.3GHz (25mV per 100MHz). Above this region (>= 3.3GHz) the voltage scaling gradually deteriorates to 40 - 100mV+ per 100MHz.

This means that at ~3.8GHz pushing further usually becomes extremely costly (power / thermal wise).

In comparison, the "critical" points for the two previous AMD desktop designs were at:

- Orochi Rev. C aka Vishera, 32nm SHP SOI - (1 = 4.4GHz, 2 = 4.7GHz)

- Kaveri / Godavari, 28nm "SHP" HPP Planar - (1 = 4.3GHz, 2 = 4.5GHz)

The voltage scaling indicated by the Vmin-Fmax curve (above) can be also clearly seen in the default voltages for the different frequency states (PStates) of the CPU.

On the high-end models the actual (effective) voltage for the base frequency (e.g. 3.6GHz on 1800X SKU) can be anything between 1.200 - 1.300V. Meanwhile the actual (effective) voltage for the highest single core boosted PState (XFR, e.g. 4.1GHz) can be as high as 1.47500V.

In the tested sample the actual default voltage for the base frequency (P0, 3.6GHz) was ~1.25000V, while the highest single core boost state (XFR, 4.1GHz) defaulted to 1.4625V.

user posted image



Acid_RuleZz
post Mar 6 2017, 09:11 AM

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QUOTE(Yottabyte @ Mar 6 2017, 02:40 AM)
Neither vendors advertised their max power consumption. TDP means max power dissipation in heat; and TDP will always lower than power consumption.

Most reviewers simply measure the whole system from wall using kill-a-watt which is very close to absolute value if dGPU is absent and highly efficient PSU is used. To actually measure CPU power, you need to measure currents and voltage for each power rails that go into CPU, which I doubt any reviewer would do it.
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Tomshardware did.
Acid_RuleZz
post Mar 6 2017, 12:24 PM

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So many issues AMD need to sort out, don't know if they can do it before R5 release.


Acid_RuleZz
post Mar 6 2017, 12:36 PM

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Nah, AMD should not keeping this trend of "release now, solve later" and we consumer should not courage AMD to do that.

This post has been edited by Acid_RuleZz: Mar 6 2017, 12:36 PM
Acid_RuleZz
post Mar 6 2017, 11:51 PM

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QUOTE(soulfly @ Mar 6 2017, 02:01 PM)
-snip-

It seems that Joker fake his bench results for his own benefits.
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Joker "responded".


Acid_RuleZz
post Mar 7 2017, 12:10 AM

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Ryzen superior frametime/minimum frame in gaming confirmed by these guys. Even Wendell somewhat confirmed that with GTA:V that have microstutter present since day one i'm playing it.

around @22:40

Acid_RuleZz
post Mar 15 2017, 04:15 PM

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user posted image
Acid_RuleZz
post Mar 15 2017, 06:13 PM

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QUOTE(f10 @ Mar 15 2017, 05:57 PM)
Any forecasts for the pricing here? will it offset the intel prices here?
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I usually multiply it by 5.

Price only will drop if R5 threaten Intel equivalent quite significantly in term of price/performance especially in gaming imo, else no price drop.
Acid_RuleZz
post Mar 18 2017, 01:25 PM

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QUOTE(terrorist @ Mar 18 2017, 12:54 PM)
Get those A320 mobo from MSI / ASROCK / ASUS / etc will do. smile.gif
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Why not B350? Can overclock unless you mati2 don't want to overclock your processor. tongue.gif
Acid_RuleZz
post Mar 22 2017, 07:37 PM

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QUOTE(silrave @ Mar 22 2017, 06:27 PM)
not sure just know can oc for x series board
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You can overclock on both X370 and B350. Of course X370 platform will have better power delivery, etc for "better" overclocking.
Acid_RuleZz
post Mar 31 2017, 12:26 AM

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^ Nais! What board and RAM though?
Acid_RuleZz
post Mar 31 2017, 11:38 AM

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QUOTE(yoda @ Mar 31 2017, 09:46 AM)
Asrock AB350Pro4 bios 2.2
Corsair LPX 3000 c 15 (running 16 17 17 17 35 @ 2667) no luck at 2933
1.35 vcore
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Did you increase RAM voltage?
Acid_RuleZz
post Apr 4 2017, 12:40 PM

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QUOTE(Kanuki @ Apr 4 2017, 11:32 AM)
There are a few people starting to put the concern about the bad memory controller
on 1700X which made in China because it can't operate RAM at 3200MHz while 1700 which
made in Malaysia can operate RAM at 3200MHz easily.
P.S. My 1700X can't be overclocked to 4.0GHz at all. 3.9GHz@1.45v only 85% stable.
And default settings will just crash without any warning at all.
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I thought that's only packaging? Not related to the IMC at all?
Acid_RuleZz
post Apr 11 2017, 03:53 PM

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QUOTE(aliesterfiend @ Apr 11 2017, 02:43 PM)
Ryzen 5 1500X sits between i5-7400 and i5-7500 when gaming.  hmm.gif
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FTFY.
Acid_RuleZz
post Apr 11 2017, 07:30 PM

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QUOTE(aliesterfiend @ Apr 11 2017, 04:31 PM)
My concern only for Total war games. Wanna wait for some benchmark first. Last time I saw Ryzen 7 lost to i5s.
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Negligible imo, unless you play on 480p Low

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