Anyone got any Godavari OC experiences to share?

[Shehriazad]

Since AMD might finally release a Godavari CPU after they kind of skipped out on the "promised" 870K I am thinking of testing out a 880K should it ever come.

After reading up on the 7870K I am not entirely sure if I can trust it so I'm looking for confirmations or invalidation about certain infos or forum posts on different sites I found on the web so here goes: (Keep in mind, this is really just info from random places of the web, I can't even find proper sites showcasing any proper OCing, first one seems to be legit, though, picture attached)


1: Godavari chips are actually soldered below the lid and don't just have sub-par white stuff smeared on the chip.

2: Godavari can generally easily overclock to 4.5 to 4.7 Ghz Cpu clock without having to adjust voltages (much).

3: Godavari chips generally hit higher clocks and 5.0 to 5.2 Ghz are not actually unheard of. (Seems unlikely)



Especially 3 is very interesting to me since it already features a better Single thread and way better multithread IPC than 2nd gen FX chips...if I can expect to push that baby to 5.0 Ghz or even beyond this might be a very interesting "quad"core chip, given the price doesn't stray far from the 860K.
So yes...I am a bit lost about Godavari and want to figure out if I should bother waiting for that "yet another refresh". Before I get any Intel arguments, I am very well aware about the superiority of Intel IPC... but I am generally very happy with the FM2+ Athlons so far as their price point and performance are pretty competitive for my needs...so you do not need to give me pointers there, if I wanted high end, I'd go Intel any day.

 

[DrMrLordX]

I do not have personal experience with them yet (waiting on 7890k, maybe), but I will address point #3: Unless you win the silicon lottery big time, you will struggle to push past 4.7 GHz. It's generally easier to get there, but there's still a wall.

I have seen at least one guy with a 7870k hit 4.5 GHz with a worse vcore than my 7700k, so not all of them are going to be better overclockers than KV-A1. And that's why I'm waiting for the 7890k . . . if I get one. I'd kind of like some more GCN cores, and I'd like to take a shot at getting an NB that likes bclk overclocking more than the one I have right now.

 

[Justinbaileyman]

Since AMD might finally release a Godavari CPU after they kind of skipped out on the "promised" 870K I am thinking of testing out a 880K should it ever come.

After reading up on the 7870K I am not entirely sure if I can trust it so I'm looking for confirmations or invalidation about certain infos or forum posts on different sites I found on the web so here goes: (Keep in mind, this is really just info from random places of the web, I can't even find proper sites showcasing any proper OCing)


1: Godavari chips are actually soldered below the lid and don't just have sub-par white stuff smeared on the chip.

2: Godavari can generally easily overclock to 4.5 to 4.7 Ghz Cpu clock without having to adjust voltages.

3: Godavari chips generally hit higher clocks and 5.0 to 5.2 Ghz are not actually unheard of.



Especially 3 is very interesting to me since it already features a better Single thread and way better multithread IPC than 2nd gen FX chips...if I can expect to push that baby to 5.0 Ghz or even beyond this might be a very interesting "quad"core chip, given the price doesn't stray far from the 860K.
So yes...I am a bit lost about Godavari and want to figure out if I should bother waiting for that "yet another refresh". Before I get any Intel arguments, I am very well aware about the superiority of Intel IPC... but I am generally very happy with the FM2+ Athlons so far as their price point and performance are pretty competitive for my needs...so you do not need to give me pointers there, if I wanted high end, I'd go Intel any day.

Prove it.. Otherwise sounds fake to me.. If you said 4.6 or 4.7 tops I might have believed that.

 

[Soulkeeper]

I think it'd be fun to play with one, although I do have a few issues with the offerings that keep me from pulling the trigger.
The idea of running 1.4-1.6v thru these 28nm chips seems insane to me, atleast from a 24/7 standpoint.
2 modules and 4MB of cache is just not enticing enough for me at this point. I tried the dedicated GPU stuff with llano already, i'm over it atleast untill HBM or something changes.

Generated from data gathered from http://www.anandtech.com/show/7711/...f-kaveri-and-other-recent-amd-and-intel-chips

./fppp 4
           Kaveri     Trinity    Llano      Haswell    Ivy Bridge
sse32:     64.00      64.00      128.00     128.00     128.00     
sse64:     32.00      32.00      64.00      64.00      64.00      
avx32:     64.00      64.00      0.00       256.00     256.00     
avx64:     32.00      32.00      0.00       128.00     128.00     
avxfma32:  128.00     128.00     0.00       512.00     0.00       
avxfma64:  64.00      64.00      0.00       256.00     0.00

./fppp 3.3
           Kaveri     Trinity    Llano      Haswell    Ivy Bridge
sse32:     52.80      52.80      105.60     105.60     105.60     
sse64:     26.40      26.40      52.80      52.80      52.80      
avx32:     52.80      52.80      0.00       211.20     211.20     
avx64:     26.40      26.40      0.00       105.60     105.60     
avxfma32:  105.60     105.60     0.00       422.40     0.00       
avxfma64:  52.80      52.80      0.00       211.20     0.00

It just feels like I'd have to overclock one of them to 6.6GHz to feel like I won
If I did go fm2+ i'd get the GA-F2A88X-UP4, it's vrm setup is just amazing in the reviews i've seen.
Interesting that they are soldered on, nice find.

 

[YBS1]

It's certainly not scientific, but with a quick glance through 3DMark's results list for the 7850K (Kaveri) & 7870K (Godavari) about the highest frequency I was able to find was 4790MHz. It's one thing to fire up a cpu at 5GHz, open up cpu-z and get a validation, it's an entirely different story getting that overclock to run anything stressful. Considering how many like to chase points over there, if they could push 5GHz someone likely would have done it.

I was on some forum yesterday looking at a thread and someone was getting congratulatory pats on the butt for hitting 5GHz on his either 5820K or X56xx Xeon, can't remember, no benchmarks, just a cpu-z screenshot. I really didn't understand the enthusiasm, then I saw it, not only were there no benches to show a minimal of stability, he only had one core enabled....I facepalmed and thought, BFD.

 

[Shehriazad]

So at least so far it's looking like the better OCing just seems to be hot air?

The one difference I do seem to spot that seems to be true is that the Godavaris are actually soldered and don't just have some lame paste below the lid.

But yes...I cannot find any kind of actually validated OCing for Godavari anywhere. I could only find random forum posts accross multiple forums claiming 5 Ghz overclocks n stuff like that.

Meh. I'll have to bite the bullet and just blindly grab a 880K should it come out.

 

[Flash831]

I have an A10-7870K and I think it overclocks like a charm ^_^

I tried it up to 4,6 Ghz this weekend but decided to not try my luck any higher. Settled for 4,5 Ghz.

http://www.passmark.com/baselines/V8/display.php?id=48697059170

Overall easier than my A10-7850K that I struggled with last summer.

 

[Shehriazad]

I have an A10-7870K and I think it overclocks like a charm ^_^

I tried it up to 4,6 Ghz this weekend but decided to not try my luck any higher. Settled for 4,5 Ghz.

http://www.passmark.com/baselines/V8/display.php?id=48697059170

Overall easier than my A10-7850K that I struggled with last summer.

Can you possibly also confirm that your temps are better, clock for clock? I can imagine having the lid soldered should make for a few degrees in a better direction.

I mean for that I have actually seen 1 or 2 comparisons that seemed legit...just checking if anyone here can confirm ^^ And 4.5/4.6 doesn't sound particularly impressive in that aspect...seeing how 4.5 and 4.6 was pretty common with Kaveri as well...but hey, as long as it at least didn't get worse.

 

[YBS1]

The one difference I do seem to spot that seems to be true is that the Godavaris are actually soldered and don't just have some lame paste below the lid.

Yeah, that can't hurt. My 7850K doesn't seem to be cooling constrained at this point, I have an H100i on it and it keeps the temps well inline even at 4.7Ghz. Originally I tried using an H60 which absolutely could not keep temperatures under control, I'd run into thermal margin troubles even in short benches at 4.5Ghz. I'd imagine solder would make this less of a struggle for many.

 

[Flash831]

Can you possibly also confirm that your temps are better, clock for clock? I can imagine having the lid soldered should make for a few degrees in a better direction.

I mean for that I have actually seen 1 or 2 comparisons that seemed legit...just checking if anyone here can confirm ^^ And 4.5/4.6 doesn't sound particularly impressive in that aspect...seeing how 4.5 and 4.6 was pretty common with Kaveri as well...but hey, as long as it at least didn't get worse.

As far as I know, Godavari does not offer higher OC margin (4.7 Ghz), however, it should be easier to get there than with Kaveri.

The absolute clock ceiling for the CPU will be around the same (< 4800MHz) as it is process limited but Godavari will be able to do the same clocks as Kaveri with significantly less voltage.
http://www.overclock.net/t/1555615/amd-kaveri-refresh-a10-7870k-apu-arrives/60#post_23963448

 

[Shehriazad]

To this day I am still baffled as to why AMD went overboard so much with their voltage on those chips.

They could have easily sold the Kaveri and Godavari APUs as 75-80w Chips...making them look a lot more "green".
And at 80w TDP they would've still generally have had some room left.


But The Stilts' post there is really helpful. Thanks for the link ^^

 

[Flash831]

To this day I am still baffled as to why AMD went overboard so much with their voltage on those chips.

They could have easily sold the Kaveri and Godavari APUs as 75-80w Chips...making them look a lot more "green".
And at 80w TDP they would've still generally have had some room left.


But The Stilts' post there is really helpful. Thanks for the link ^^

Glad to help ^_^

Regarding the high voltage I suspect the boards are prepared for future Godavari's. There are rumors of an A10-7890K with baseclocks above 4Ghz. That way they can all keep the same TDP, which makes the top models look better. Perhaps they even have headroom for a model with clocks up to 4.5Ghz? :whiste:

 

[Shehriazad]

Glad to help ^_^

Regarding the high voltage I suspect the boards are prepared for future Godavari's. There are rumors of an A10-7890K with baseclocks above 4Ghz. That way they can all keep the same TDP, which makes the top models look better. Perhaps they even have headroom for a model with clocks up to 4.5Ghz? :whiste:

Yea...they could literally release a FX7900 (lolz) "enthusiast" APU with 4.5Ghz CPU /1100 GPU without changing the voltage.

I mean the thing would then sit more at 100w tdp rather than 95...but hey...everything for marketing, right? xD