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Which Ryzen 3 CPU?

Associate
Joined
4 Oct 2010
Posts
193
I'm looking at upgrading my ageing rig, and quite fancy delving into Ryzen 3.

Currently thinking the 3700x is the cpu to go for, as I mainly use my system for gaming. Am I missing something, and is the 3800x worth the extra pennies?

Looking to mate it to an ASROCK Taichi X570 board with 2 kits of 8 pack 3600mhz 4x8GB kits.

Being somewhat out of the loop particularly with AMD products, is there anything I should consider regarding RAM / perhaps a different mobo.

I'll continue to flick through the pages in the Ryzen threads in the meantime.
 
Last edited:
OcUK Staff
Joined
17 Oct 2002
Posts
38,229
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OcUK HQ
3700X is the best buy at £299:


AMD Ryzen 7 3700X Eight Core 4.4GHz (Socket AM4) Processor - Retail @ £299.99 inc VAT https://www.overclockers.co.uk/AMD-...Hz-Socket-AM4-Processor-Retail-CP-3B7-AM.html



100-100000071BOX, 8 Core with 16 Threads, 4.40GHz clock speed, 7nm FinFet Process, 32MB L3 Cache, Dual Channel DDR4 Controller, 3200-3600MHz RAM Recommended, 3 Year Warranty



Only £299.99 inc VAT.

ORDER NOW





Memory wise 3600MHz is the sweet spot and we'd recommend the following kits:



Team Group 8Pack Edition 16GB (2x8GB) DDR4 PC4-28800C16 3600MHz Dual Channel Kit - Black/ @ £119.99 inc VAT https://www.overclockers.co.uk/Team...3600MHz-Dual-Channel-Kit-Black-MY-08Q-TG.html



TDPGD416G3600HC16ADC01, 3600MHz RAM Speed, CAS 16-16-16-36 Timings, 1.20-1.40v VDIMM, Samsung B-Die, Ideal for 3rd gen Ryzen, Ryzen 3000 8 Pack Approved, Lifetime Warranty with OcUK.



Only £119.99 inc VAT.

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Team Group Vulcan TUF Gaming Alliance 16GB (2x8GB) DDR4 PC4-28800C19 3600MHz Dual Channel Kit - Blac @ £82.99 inc VAT https://www.overclockers.co.uk/Team...-3600MHz-Dual-Channel-Kit-Blac-MY-0A3-TG.html



TLTYD416G3600HC19ADC01, 3600MHz RAM Speed, CAS 19-19-19-39 Timings, 1.25-1.35v VDIMM, Lifetime Warranty with OcUK.



Only £82.99 inc VAT.

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Corsair Vengeance LPX Black 16GB (2*8GB) 3600 MHz AMD Ryzen Tuned DDR4 Memory Kit @ £79.99 inc VAT https://www.overclockers.co.uk/Cors...MD-Ryzen-Tuned-DDR4-Memory-Kit-MY-4BW-CS.html



16GB (2x8GB) Corsair DDR4 Vengeance LPX Black, PC4-28800 (3600), Non-ECC Unbuff, CAS 18, 1.35V, AMD Ryzen Optimised



Only £79.99 inc VAT.

ORDER NOW







Our pricing is pretty much best out there or at the very least extremely competitive. :)
 
Soldato
Joined
18 Oct 2002
Posts
7,781
Location
Surrey
I'm looking at upgrading my ageing rig, and quite fancy delving into Ryzen 3.

Currently thinking the 3700x is the cpu to go for, as I mainly use my system for gaming. Am I missing something, and is the 3800x worth the extra pennies?

Looking to mate it to an ASROCK Taichi X570 board with 2 kits of 8 pack 3200mhz 4x8GB kits.

Being somewhat out of the loop particularly with AMD products, is there anything I should consider regarding RAM / perhaps a different mobo.

I'll continue to flick through the pages in the Ryzen threads in the meantime.

3800x not worth it at all for games, pretty much zero difference.
 
Soldato
Joined
24 Sep 2013
Posts
2,890
Location
Exmouth, Devon
I'm looking at upgrading my ageing rig, and quite fancy delving into Ryzen 3.

Currently thinking the 3700x is the cpu to go for, as I mainly use my system for gaming. Am I missing something, and is the 3800x worth the extra pennies?

Looking to mate it to an ASROCK Taichi X570 board with 2 kits of 8 pack 3200mhz 4x8GB kits.

Being somewhat out of the loop particularly with AMD products, is there anything I should consider regarding RAM / perhaps a different mobo.

I'll continue to flick through the pages in the Ryzen threads in the meantime.

I have the 3800X and in gaming I doubt it will be any different to the 3700X. You probably 'could' measure a very slight difference as the boost is slightly higher. What you save on that I'd plump for the 3600Mhz RAM. Whilst many 3200 kits can clock to 3600Mhz you've gone for quad channel? Slightly harder to clock I think rather than dual channel. So I'd put what you'd save with the 3700X towards higher native speed RAM. Unless of course you are already an accomplished RAM OC'er (I'm not by the way, still n00b). Those ASROck Taichi boards are widely recommended. The 3700X @ £299 is £20 cheaper than RRP. They were £319 on release.
 
Associate
OP
Joined
4 Oct 2010
Posts
193
you would be better looking for 2*8 or 2*16gb sticks, ryzen works better with 2 stick than 4

After reading that I did a little searching and it does seem to be the case, having used intel platforms for the last 10 years i've had no problems with 4 sticks. That sucks because I kind of need 32GB of RAM and i'm finding it hard to find half decent 2x16GB kits.

3800x not worth it at all for games, pretty much zero difference.

Thanks for the confirmation.

I have the 3800X and in gaming I doubt it will be any different to the 3700X. You probably 'could' measure a very slight difference as the boost is slightly higher. What you save on that I'd plump for the 3600Mhz RAM. Whilst many 3200 kits can clock to 3600Mhz you've gone for quad channel? Slightly harder to clock I think rather than dual channel. So I'd put what you'd save with the 3700X towards higher native speed RAM. Unless of course you are already an accomplished RAM OC'er (I'm not by the way, still n00b). Those ASROck Taichi boards are widely recommended. The 3700X @ £299 is £20 cheaper than RRP. They were £319 on release.

Appreciate the advice, any recommendations on RAM, preferably 2x16GB kits, but if the worst comes to the worst i'll have to make do with 16GB until I can find some good dual channel 32GB.

With some mods, and with certain other occasional workloads, I currently fill my 16GB while it's not the end of the world it is an annoyance that i'd like to avoid with the upgrade. May have to pop into the Memory sub forums.

@Gibbo I was planning to purchase for delivery Fri, prices aren't likely to increase by then, are they? ;)
 
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21 Sep 2018
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Deleted member 209350

D

Deleted member 209350

3700x over the 3800x as the extra price isnt worth it.

2 sticks of 8gb ram, preferably with 3000mhz or higher clock speed
 
Soldato
Joined
20 Aug 2019
Posts
3,031
Location
SW Florida
Based on that link, the Asrock uses T-Topology. It works well when all slots are populated, so op might be better off with a 32GB (4X8) kit.

Interleaving works regardless of topology. One topology might allow for higher frequencies (MT/sec) on 4 sticks than another, and the whole "2 sticks are better" standard is also with respect to higher speeds, but interleaving two ranks per channel produces it's own performance boost.

In my testing, with the 3800x interleaving RAM at 3600 produced higher FPS than two sticks at 3733.
I'm sure there is a point where speed overcomes interleaving, but my sticks were unable to run fast enough in two-stick configuration to overcome the performance of interleaving 4 sticks at a slower speed.

Here's some testing don by Tom's:

https://www.tomshardware.com/reviews/amd-ryzen-3000-best-memory-timings,6310-2.html
 
Last edited:
Associate
OP
Joined
4 Oct 2010
Posts
193
I'd get some 32Gb (2x16) of Crucial Ballistix Sport LT BLS2K16G4D32AESB 3200 MHz C16. Unfortunately OcUK don't stock it but readily available. It runs at 3600Mhz C16 easily which is really the minimum you should be aiming for. There's a thread on it here in the memory forum. https://forums.overclockers.co.uk/threads/ballistix-sport-lt-overclocking.18861166/

Interesting have been a bit of a Crucial memory fanboy through the years, but those sticks weren't coming up in my searches. Thanks

Based on that link, the Asrock uses T-Topology. It works well when all slots are populated, so op might be better off with a 32GB (4X8) kit.

I believe the Taichi does use T-Topology which is why I thought 4 sticks should be okay but the information I'm finding through my limited searching time is conflicting.

Interleaving works regardless of topology. One topology might allow for higher frequencies (MT/sec) on 4 sticks than another, and the whole "2 sticks are better" standard is also with respect to higher speeds, but interleaving two ranks per channel produces it's own performance boost.

In my testing, with the 3800x interleaving RAM at 3600 produced higher FPS than two sticks at 3733.
I'm sure there is a point where speed overcomes interleaving, but my sticks were unable to run fast enough in two-stick configuration to overcome the performance of interleaving 4 sticks at a slower speed.

Here's some testing don by Tom's:

https://www.tomshardware.com/reviews/amd-ryzen-3000-best-memory-timings,6310-2.html

Interesting, thanks. Did you purchase 2 x Dual channel kits of the Corsair Dominator RAM?


I'm tempted to bite the bullet, buy 4 sticks, and play with the clocks / timings, and compare to 2 myself.
 
Soldato
Joined
26 May 2014
Posts
2,953
I'd second the recommendation of buying 2x16GB sticks of Crucial Ballistix Sport LT. They're Micron E-die ICs and dual-rank, so provide all the benefits of interleaving without needing to use four sticks. They also have the benefit of being dirt cheap (~£150 for a 32GB kit) as they're rated for 3200MHz/CL16 out of the box, but overclock like champs. I'm running 3466MHz/CL14 with all the other timings tweaked based on the Fast preset from the DRAM Calculator, and that's on a first-gen 1800X with its poor IMC. It's even stable enough to benchmark at 3600MHz/CL14, though Memtest reveals errors fairly quickly.
 
Soldato
Joined
20 Aug 2019
Posts
3,031
Location
SW Florida
I'd second the recommendation of buying 2x16GB sticks of Crucial Ballistix Sport LT. They're Micron E-die ICs and dual-rank, so provide all the benefits of interleaving without needing to use four sticks. They also have the benefit of being dirt cheap (~£150 for a 32GB kit) as they're rated for 3200MHz/CL16 out of the box, but overclock like champs. I'm running 3466MHz/CL14 with all the other timings tweaked based on the Fast preset from the DRAM Calculator, and that's on a first-gen 1800X with its poor IMC. It's even stable enough to benchmark at 3600MHz/CL14, though Memtest reveals errors fairly quickly.

This is the route I probably should have taken. Higher speed and interleaving, but I'm really happy with my 3600+tight timings+interleaving.

Interesting have been a bit of a Crucial memory fanboy through the years, but those sticks weren't coming up in my searches. Thanks



I believe the Taichi does use T-Topology which is why I thought 4 sticks should be okay but the information I'm finding through my limited searching time is conflicting.



Interesting, thanks. Did you purchase 2 x Dual channel kits of the Corsair Dominator RAM?


I'm tempted to bite the bullet, buy 4 sticks, and play with the clocks / timings, and compare to 2 myself.

I went with two Gskill F4-3600C15D-16GTZ kits. Their XMP is 3600@15-15-15-35 I have two kits (4 sticks) running 3600@14-14-14-34 with tightened sub timings and 1.42v. Just two sticks will run 3733@17-17-17-37.

When I compared the 3733 2-sticks to the 3600 4-sticks It was just XMP for both, where I just manually entered the XMP primaries from a Gskill F4-3733C17D-16GTZSW kit (17-17-17-37) for the 3733 test.

The current subtiming tweaks for my 4-stick 3600 setup came after the XMP vs XMP comparison
 
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