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*** AMD "Zen 4" thread (inc AM5/APU discussion) ***

jack.mitchell said:
Be careful with the Asus boards, I had one on order but cancelled it due to issues they've had with the Intel NIC. Working with developing hardware and using the machine for work an anywhere near dodgy NIC was a complete no go. Now flirting with the steel legend x670e/b650e but I've been trying to decide for a week now..... it's an absolute nightmare.
Click to expand...
When I was looking into which mobo to get the Intel nic was a negative for me because enough people seem to have issues with it that I’d rather avoid if I can. Funny because Realtek used to be the one to avoid and now it’s flipped on its head. I’m sure the Intel still works fine for the vast majority of people though because otherwise it’d be massive news with all the YouTubers etc.

Steel Legend is indeed nice. I ended up getting a X670E Pro RS because you can get it for £50 less than the SL so it seemed good value.
 
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loftie said:

Bit of a difference for gaming. As someone pointed out in the comments, could explain some of the review differences.
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Interesting, thanks.

The TLDR is gaming performance between boards can vary as some of them aren't setting up the XMP memory as well as others with looser sub timings, in this case the MSI one is particularly bad with a gaming performance difference of up to 12% less, they said they will fix it with the next BIOS update.
 
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Do you think the prices of the other chips (in particular the 7600/7700 x and standard variants) will change with the release of the 3D chips?
Is it worth hanging on to see what happens?
 
Had fun building/playing with my R5 7600 this weekend. It's a temp CPU until the X3D CPU's launch in a few weeks.

Very surprised how well it fares at 4k with a 4090. The minimum FPS values are less than my 13900k, though I always adjust my settings to have between 80-120FPS anyway, so these can't really be felt. Using 90W maximum (PBO on) is also great efficiency wise.

For £239 it's a fantastic gaming CPU. My workloads in windows understandably struggle with only 6 cores, though this is to be expected.

Pictures for anyone interested, click the button

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No crashes, no issues so far. Also boots quickly after the EXPO profile has been set for the first time. Some reviewers mention "slow boot times" but this is not the case on a ROG X670E Hero with 32GB Corsair 6000Mhz C30.

Also, my board had the launch BIOS (board manufactured in June 22) but the CPU was still recognised by the earliest BIOS. Asus's QVL lists it as only validated since v0705. Perhaps X3D will be detected too, save folks having to do the BIOS flashback etc.
 
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jellybeard999 said:
Do you think the prices of the other chips (in particular the 7600/7700 x and standard variants) will change with the release of the 3D chips?
Is it worth hanging on to see what happens?
Click to expand...

Probably all go back up again haha. I’m kind of half expecting that to happen!
 
rare said:
Probably all go back up again haha. I’m kind of half expecting that to happen!
Click to expand...

Knowing my luck :(

I held on after the Christmas sales, and prices are now higher overall. Hopefully the sale will be repeated and/or motherboard and RAM prices will drop a bit... though I'm not expecting anything significant any time soon. I'm also thinking that people might offload the lower end chips when the 3D chips are released.
 
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AM5 should be good until Q4 2026 at least, I reckon:

AMD-AM5-motherboards.jpg


They will abandon it when DDR6 becomes viable for desktop consumers, most likely.

It looks like DDR6 will have twice the bandwidth of DDR5, due to having 2x the number of memory channels.

According to Samsung, they expect their DDR6 design to be finalised at some point in 2024, I guess that the JEDEC spec will follow:
www.sammobile.com

Samsung to achieve finer DDR6 circuits using mSAP technology

Samsung is making strides in memory chip development as the company works diligently to bring DDR6 chips to the market. ...
www.sammobile.com www.sammobile.com
 
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I tweaked my DDR5 (6000 MT/s modules) +system settings to get a consistent 56ns (latency) on AIDA64 a few weeks ago, which was bench stable.

I assume that's good? Is it worth trying to get it any lower, or is it aready close to the limits on Zen 4?
 
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g67575 said:
AM5 should be good until Q4 2026 at least, I reckon:

AMD-AM5-motherboards.jpg


They will abandon it when DDR6 becomes viable for desktop consumers, most likely.

It looks like DDR6 will have twice the bandwidth of DDR5, due to having 2x the number of memory channels.

According to Samsung, they expect their DDR6 design to be finalised at some point in 2024, I guess that the JEDEC spec will follow:
www.sammobile.com

Samsung to achieve finer DDR6 circuits using mSAP technology

Samsung is making strides in memory chip development as the company works diligently to bring DDR6 chips to the market. ...
www.sammobile.com www.sammobile.com
Click to expand...

DDR6 probably be twice the bandwidth, three times the latency! :D

Once Ryzen 7000 X3D launch, there will be no viable alternative to AM5 IMO, for gamers. It'll cost you a bit more to upgrade to a AM5/DDR5 setup (compared to Intel Z690/ddr4/i5/i7), but the performance in games will be simply superior, while using much less power.

I suspect we'll see a flock to AM5 once X3D launches :)
 
I wonder if Intel will try to boost their L2 or L3 cache amounts for the 14th gen? Looking at their past attempts to increase cache amounts, they've usually been quite modest.
 
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