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AMD might have replaced 14nm Ryzen 5 1600 processors with 12nm 2600 ones
Over the past few days some weird chatter has hit the web, AMD would be shipping 14nm Ryzen 1600 processors, however no based on the Zen+ architecture at 12nm. They have the same IPC as the 2600 but slightly ower clock speeds, though boost behavior is still somewhat better than with the original 1600.
The 12nm Zen+ dies to seem to match Ryzen 5 1600 frequencies of 3.2/3.6 GHz, as opposed to 3.4/3.9 GHz specified for Ryzen 5 2600 - and since performance improvements over the "real" 14nm Zen based Ryzen 5 1600 are marginal, they probably did not want to confuse customers by creating yet another model designation, as they already have an OEM-only Ryzen 5 2600E rated at 3.1/4.0 GHz.
On Reddit it is reported that it is the 'AF' variants, getting tagged at 12nm. But it is not clear whether they are actually baked on the newer production process, or whether it is an incorrect report due to, for example, a new stepping.
In Cinebench R20, the tested AF version of the Ryzen 5 1600 scores about 400 points higher than the original processors from 2017. With this score, the chip roughly comes next to its 'successor', the Ryzen 5 2600 , which was officially baked at 12nm . However, the chip tested by the Reddit user did not tweak rather well.
The new models can be identified by the serial number which is YD1600BBM6IAF compared to YD1600BBM6IAE of the previous variant
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AMD Might Be Working on Z490 Chipset - Would Get More and Faster PCIe Lanes - 04/17/2018 02:03 PM
A new slide leaked today, it shows all AMD chipset, including one called Z490. That's interesting as it's the first time we've heard of it. The new chipset would add more PCIe lanes, but also mak...
AMD Might Cancel Implicit Primitive Shader Driver Support - 01/23/2018 05:53 PM
It's unconfirmed for now, but it looks like AMD might have canceled Implicit Primitive Shader Support on driver level. Shortly after CES2018, AMD apparently told this to some people in a breakout s...
sykozis
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#5744411 Posted on: 12/24/2019 03:31 AM
Saw this mentioned elsewhere....
Saw this mentioned elsewhere....
Astyanax
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#5744419 Posted on: 12/24/2019 04:26 AM
These honestly should be sold as Ryzen 5 2600L and the 1600 numbering discontinued.
These honestly should be sold as Ryzen 5 2600L and the 1600 numbering discontinued.
DmitryKo
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#5745094 Posted on: 12/26/2019 02:15 AM
Well, these 12nm Zen+ dies do match Ryzen 5 1600 frequencies of 3.2/3.6 GHz, as opposed to 3.4/3.9 GHz specified for Ryzen 5 2600 - and since performance improvements over the "real" 14nm Zen based Ryzen 5 1600 are marginal, they probably did not want to confuse customers by creating yet another model designation, as they already have an OEM-only Ryzen 5 2600E rated at 3.1/4.0 GHz.
Well, these 12nm Zen+ dies do match Ryzen 5 1600 frequencies of 3.2/3.6 GHz, as opposed to 3.4/3.9 GHz specified for Ryzen 5 2600 - and since performance improvements over the "real" 14nm Zen based Ryzen 5 1600 are marginal, they probably did not want to confuse customers by creating yet another model designation, as they already have an OEM-only Ryzen 5 2600E rated at 3.1/4.0 GHz.
Silva
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#5745593 Posted on: 12/27/2019 01:47 PM
Probably getting rid of chips that can't hit 2600 specs but are still too good to drop a step. Instead of creating confusion and create another SKU, they box it as an 1600 that still sells good.
Probably getting rid of chips that can't hit 2600 specs but are still too good to drop a step. Instead of creating confusion and create another SKU, they box it as an 1600 that still sells good.
schmidtbag
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#5745624 Posted on: 12/27/2019 03:28 PM
Sounds reasonable to me. Nowadays, I don't think anyone is buying a 1600 as an upgrade. Of the people who buy them, I don't think they would be expecting to overclock. Even if they intend to and realize the lack of OC potential, they'd probably think "that's what I get for not buying the better-binned X variant" and be none the wiser. So it's sort-of a win-win: the customers unknowingly get a slightly better CPU than the original (at least at stock speeds) while AMD gets rid of otherwise useless stock that won't capture anyone's attention as another SKU.
Probably getting rid of chips that can't hit 2600 specs but are still too good to drop a step. Instead of creating confusion and create another SKU, they box it as an 1600 that still sells good.
Sounds reasonable to me. Nowadays, I don't think anyone is buying a 1600 as an upgrade. Of the people who buy them, I don't think they would be expecting to overclock. Even if they intend to and realize the lack of OC potential, they'd probably think "that's what I get for not buying the better-binned X variant" and be none the wiser. So it's sort-of a win-win: the customers unknowingly get a slightly better CPU than the original (at least at stock speeds) while AMD gets rid of otherwise useless stock that won't capture anyone's attention as another SKU.
icedman
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#5745699 Posted on: 12/27/2019 09:12 PM
I personally would liked to see these get the 2xxx naming but it makes sense to keep naming this way to avoid confusion either way they must be doing this to free up fab space since 7nm is in short supply and 12nm is better than 14nm so may as well move on.
I personally would liked to see these get the 2xxx naming but it makes sense to keep naming this way to avoid confusion either way they must be doing this to free up fab space since 7nm is in short supply and 12nm is better than 14nm so may as well move on.
user1
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#5745703 Posted on: 12/27/2019 09:32 PM
pretty normal, zen and zen+ are basically the same apart form Bugfixes and some tuning, so it would make sense that amd would end 14nm B1 stepping production in favor of a B2 stepping (amd did /does make a 14nm b2 stepping for first-gen epyc, aswell as the b2 stepping on 12nm used for ryzen/threadripper 2XXX)
pretty normal, zen and zen+ are basically the same apart form Bugfixes and some tuning, so it would make sense that amd would end 14nm B1 stepping production in favor of a B2 stepping (amd did /does make a 14nm b2 stepping for first-gen epyc, aswell as the b2 stepping on 12nm used for ryzen/threadripper 2XXX)
Venix
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#5745839 Posted on: 12/28/2019 01:09 PM
i am somewhat surprised that they are still producing "fresh" r5 1600 cpus ... i thought with the release of r5 2600 what ever 1600 exists around is left over stock or something
i am somewhat surprised that they are still producing "fresh" r5 1600 cpus ... i thought with the release of r5 2600 what ever 1600 exists around is left over stock or something
Reddoguk
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#5745934 Posted on: 12/28/2019 08:00 PM
So these are PR chips labelled as SR chips. So it must be Pinnacle Ridge chips that fail to hit the targeted numbers so they still use them but as pretend Summit Ridge 1600 cpus.
So these are PR chips labelled as SR chips. So it must be Pinnacle Ridge chips that fail to hit the targeted numbers so they still use them but as pretend Summit Ridge 1600 cpus.
Alessio1989
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#5745941 Posted on: 12/28/2019 08:28 PM
BIOS issues with older 300 series MBs in 3, 2, 1...
BIOS issues with older 300 series MBs in 3, 2, 1...
sykozis
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#5745981 Posted on: 12/29/2019 12:21 AM
300 series chipsets support 2000 series processors so there should be no bios issues.
BIOS issues with older 300 series MBs in 3, 2, 1...
300 series chipsets support 2000 series processors so there should be no bios issues.
teleguy
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#5746109 Posted on: 12/29/2019 07:28 PM
Without a BIOS update?
300 series chipsets support 2000 series processors so there should be no bios issues.
Without a BIOS update?
Alessio1989
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#5746130 Posted on: 12/29/2019 08:27 PM
Most people do not update the MB BIOS because they do not have any clue about it. Most of 300 series MB do not have the BIOS flash-back feature, most non-retailed OEMs do not provides BIOS update for newer Ryzen versions. Happy cold boot.
Most people do not update the MB BIOS because they do not have any clue about it. Most of 300 series MB do not have the BIOS flash-back feature, most non-retailed OEMs do not provides BIOS update for newer Ryzen versions. Happy cold boot.
sykozis
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#5746149 Posted on: 12/29/2019 10:53 PM
People that are upgrading just a processor, generally know how to update a bios.....
People that are upgrading just a processor, generally know how to update a bios.....
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Interesting.