[ComputerBase.de] Forza 7 Benchmark: Vega has more gasoline in the blood than Pascal

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IllogicalGlory

Senior member
Mar 8, 2013
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It seems that there's a substantial CPU limitation on NVIDIA cards at both 1080p and 1440p, (compare the 1080 Ti's advantage at those resolutions to its advantage at 4K) so does this mean that Vega has less CPU overhead than Pascal cards?
 

Paratus

Lifer
Jun 4, 2004
16,840
13,765
146
It seems that there's a substantial CPU limitation on NVIDIA cards at both 1080p and 1440p, (compare the 1080 Ti's advantage at those resolutions to its advantage at 4K) so does this mean that Vega has less CPU overhead than Pascal cards?

That might be the case. Although I thought with DX12 most of the heavy lifting was done by the Devs and not NV/AMD.

At any rate the 1080Ti has been out for awhile, its performance is still great and people will buy it at whatever the price. Do you think its worth while to NV to spend the manpower to throw some DX12 optimizations at it or does it make more sense to concentrate on saving any software optimizations for Volta?
 

SPBHM

Diamond Member
Sep 12, 2012
5,058
410
126
BTW, a Turn10 developer stated that the reason for the 100% CPU usage on one or two cores is to reduce input latency, so it appears to be a design decision. But while multithreading might induce higher input latency, if done properly the penalty should be very minimal and be a nice trade off for a massive increase in framerates.

hardly a good excuse when the Xbox One version runs at 60FPS with super low ST performance CPU, so that version is highly threaded, also as far as I know Forza Horizon 3 was just like this game, with lots of load on one thread, they later patched and the game now have proper MT support with good scaling and runs way better.... really makes no sense.
 

Carfax83

Diamond Member
Nov 1, 2010
6,841
1,536
136
hardly a good excuse when the Xbox One version runs at 60FPS with super low ST performance CPU, so that version is highly threaded, also as far as I know Forza Horizon 3 was just like this game, with lots of load on one thread, they later patched and the game now have proper MT support with good scaling and runs way better.... really makes no sense.

I agree 100%. Like I said on the previous page, whoever's idea it was to keep the original CPU usage model that lead to such performance issues in FH3, should be fired for incompetence.
 

Muhammed

Senior member
Jul 8, 2009
453
199
116
This is also unrelated to DX12, NVIDIA cards run Forza 6 and Forza Horizon 3 very well, edging out AMD cards.
 

TheELF

Diamond Member
Dec 22, 2012
3,990
744
126
hardly a good excuse when the Xbox One version runs at 60FPS with super low ST performance CPU, so that version is highly threaded, also as far as I know Forza Horizon 3 was just like this game, with lots of load on one thread, they later patched and the game now have proper MT support with good scaling and runs way better.... really makes no sense.
No it's lots of load on one CORE, they actually let one core run as many threads as it can before starting to send threads to the second and beyond core,also they let the thread with the most important work run with a higher priority then the rest, that way the workload is finished the quickest.I guess for them it makes sense since desktop cpus are way faster then console's one so the benefit of input lag probably made sense to them,crapped it up for anyone else though.

Proof up to ~3:25 at wich point affinity is being used to use more of the cpu,4:28 total run time.
 

sontin

Diamond Member
Sep 12, 2011
3,273
149
106
And where do you see it in Forza 7? The DX12 path is broken for nVidia user. Forza 7 uses one (and maybe another core) with 100% utilization. This is bad programming because it will result in stuttering and less space for unexpected jobs.

DX11 games like Project Cars 2 and Formula 1 2017 showing a more "DX12" utilization pattern than this game...
 

stockolicious

Member
Jun 5, 2017
80
59
61
Forza 7 seems to love Vega architecture. Surprisingly AMD GPUs perform worse at higher resolutions like 4K. Still there is room for optimizations i guess. Nvidia also has some optimization work left in this game. The gap between 1080 Ti and 1080 is too small and indicates there is room for performance improvements. I still think Vega launched with very poor launch drivers. I am looking forward to the yearly major driver release in December to see if there are driver based performance improvements for Vega across a wide range of games. RTG execution in 2017 has been abysmal. Hopefully 2018 execution from RTG is much better otherwise Nvidia will crush AMD GPU sales even more with Volta lineup.

"otherwise Nvidia will crush AMD GPU sales"

?? AMD cant even produce enough cards to sell even with all of the negative chat about vega - they are selling out every card.

Except for the gaming benches (please realize AMD is not prioritizing gaming) Vega was first and foremost a compute card. They are starting to make a impact in their "Real" market. Amazon, Google, Alibabe ect. Vega will be AMD's most successful card from a profit perspective - remember the cards Amazon is buying from AMD are $7,000 a pop. That is the market they want. As far as gaming goes we might see blips of games that are ported directly from the consoles that work better out of the box with AMD hardware as was the plan. Its up to developers to help NVDA optimize.

Everyone has been dumping on Raja and RTG but I really think in a year from now many people will be singing a different tune
 

amenx

Diamond Member
Dec 17, 2004
4,005
2,275
136
?? AMD cant even produce enough cards to sell even with all of the negative chat about vega - they are selling out every card.
This is not necessarily impressive. If they were only able to produce a 1000 cards, would be easy to sell out. If Nvidia made a 100,000 and sold 90,000, thats not 'sold out', but guess whos doing better. So the argument is entirely relative to how many cards were produced.
 

Despoiler

Golden Member
Nov 10, 2007
1,966
770
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When the RX 580 is pushing better min fps than the 1080Ti, then you know there is some work yet to be done on NVIDIA's side.

Or AMD's architecture is superior at DX12 because it is. We saw the same thing with BF4 and Mantle. The minimums were 80% higher than DX11. In fact the minimums is where the next gen APIs truly shine. It's just a smoother overall experience.


And where do you see it in Forza 7? The DX12 path is broken for nVidia user. Forza 7 uses one (and maybe another core) with 100% utilization. This is bad programming because it will result in stuttering and less space for unexpected jobs.

DX11 games like Project Cars 2 and Formula 1 2017 showing a more "DX12" utilization pattern than this game...

So Nvidia has "cpu overhead" now? Well that's a reversal. Cats and dogs living together. Mass hysteria! It runs fine on AMD so clearly not bad programming. Nvidia released their Forza 7 drivers a week ago. What did they release if it's not hitting the fast path in their drivers?
 
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Ancalagon44

Diamond Member
Feb 17, 2010
3,274
202
106
BTW, a Turn10 developer stated that the reason for the 100% CPU usage on one or two cores is to reduce input latency, so it appears to be a design decision. But while multithreading might induce higher input latency, if done properly the penalty should be very minimal and be a nice trade off for a massive increase in framerates.

They then issued another update in which they said that Forza 7 uses as many threads as the CPU it is running on can provide.

Check this out

It seems that the release version of Forza 7 does use the old broken threading model which is interesting. I wonder why they did not patch it into Forza 7? FH3 received its patch in May, so there was plenty of time for them to merge that change in and test it.

The initial statement and then partial retraction is interesting though - clearly they are paying attention. Which idiot did not think it was a good idea to merge that change in?
 

Muhammed

Senior member
Jul 8, 2009
453
199
116
Or AMD's architecture is superior at DX12 because it is. We saw the same thing with BF4 and Mantle. The minimums were 80% higher than DX11. In fact the minimums is where they next gen APIs truly shine. It's just a smoother overall experience.
LOL, that's just nonsense, no amount of architecture can make up that much difference, you are just straw grasping as usual. And NO, DX11 on NV was faster than even AMD's Mantle in BF4.
So Nvidia has "cpu overhead" now?
Yeah, could be in this game only! Rest assured the either the game or the driver will be updated to fix this, NVIDIA actually has a marketing deal with Forza's developer.

Nvidia released their Forza 7 drivers a week ago.
Don't know why are you so hung up on this particular point? NVIDIA relentlessly optimizes their drivers and never stops, they optimized Hitman's DX12 LONG after it's release, it's now slightly faster on the GTX 1080 vs Vega 64.
http://www.hardware.fr/articles/968-8/benchmark-hitman.html
 
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Despoiler

Golden Member
Nov 10, 2007
1,966
770
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LOL, that's just nonsense, no amount of architecture can make up that much difference, you are just straw grasping as usual. And NO, DX11 on NV was faster than even AMD's Mantle in BF4.

Yeah, could be in this game only! Rest assured the either the game or the driver will be updated to fix this, NVIDIA actually has a marketing deal with Forza's developer.


Don't know why are you so hung up on this particular point? NVIDIA relentlessly optimizes their drivers and never stops, they optimized Hitman's DX12 LONG after it's release, it's now slightly faster on the GTX 1080 vs Vega 64.
http://www.hardware.fr/articles/968-8/benchmark-hitman.html

GCN is quite literally built for these nextgen APIs. It's exactly why generally it can't beat Nvidia in DX11 even though its much wider at every tier. GCN+DX12 is why it can deal with this game's CPU utilization and other games that have high back pressure async compute implementations. Nvidia just starts thrashing at certain thresholds. That's what we are seeing.

So wait for unannounced future drivers after the "game ready" drivers they already released? This is in a game they have a marketing deal for, but their performance is well behind AMD @ certain resolutions? Wouldn't they have wanted to get it right going out the door to reviewers? I think you just started the Nvidia version of the "wait for vega/wait for navi" meme? Nvidia:Wait for drivers.

Don't act like AMD doesn't keep optimizing either. I didn't mention that because it's obvious that both companies do it. What matters is what we are discussing right now on data we have right now. That should be obvious.
 

Muhammed

Senior member
Jul 8, 2009
453
199
116
Don't act like AMD doesn't keep optimizing either. I didn't mention that because it's obvious that both companies do it. What matters is what we are discussing right now on data we have right now. That should be obvious.
Yeah, What matters is you like to talk about anything other than the data we have now, some fantastical gains and driver improvements for Vega that have yet to materialize, I am not the one entrenched in that meme!
GCN is quite literally built for these nextgen APIs. It's exactly why generally it can't beat Nvidia in DX11 even though its much wider at every tier.
Again, that's just nonsensical crap! There is no such thing that is an architecture for next gen, GCN trailed Maxwell and Pascal even on basic features and power efficiency, it had no comparable memory compression, tiled rasterization, polygon throughput to NVIDIA, and it's a power hog of untold proportions! None of that is next gen material.
CN+DX12 is why it can deal with this game's CPU utilization and other games that have high back pressure async compute implementations. Nvidia just starts thrashing at certain thresholds. That's what we are seeing.
Nope, Forza 6 and Forza Horizon 3 had NVIDIA beat down AMD quite easily, what we are seeing in Forza 7 is just an anomaly.
So wait for unannounced future drivers after the "game ready" drivers they already released?
Yep, that's what the example of Hitman I posted above serves for, NVIDIA optimizes long after release if needs be. Want another example? Ashes of Singularity! This game couldn't be anymore favoring to AMD, yet NVIDIA competes quite nicely there. Again Forza 7 is just an anomaly that WILL be corrected soon, because that's what NVIDIA does.
http://www.hardware.fr/articles/968-10/benchmark-ashes-of-the-singularity.html
 
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geoxile

Senior member
Sep 23, 2014
327
25
91
Perhaps forza 7 is significantly more shader intensive than it is geometry intensive. These performance results are a bit closer to what you might expect just by looking at compute throughput, minus some performance loss from a minor bottleneck (some efficiency loss from scaling shaders up). Probably the most telling is the 580 right below the 1070. Iirc the 580 is capable of 6.2TF and the 1070 6.5 or 6.6TF.
 
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SirDinadan

Member
Jul 11, 2016
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Nope, Forza 6 and Forza Horizon 3 had NVIDIA beat down AMD quite easily, what we are seeing in Forza 7 is just an anomaly.
Any benchmark data to back up this claim? Turn 10 has fixed the CPU hog bug way after release so I'm not really interested in benchmarks conducted just after game release. I tested GTX 1060 vs RX 580 this spring and the AMD card was faster by ~5%.
 

Phynaz

Lifer
Mar 13, 2006
10,140
819
126
It seems that there's a substantial CPU limitation on NVIDIA cards at both 1080p and 1440p, (compare the 1080 Ti's advantage at those resolutions to its advantage at 4K) so does this mean that Vega has less CPU overhead than Pascal cards?

This. People are reporting GTX1070's running at only 80% utilization. Developer has stated they intentionally load up on a single core - which is exactly what you aren't supposed to do in the DX12 model.

Developer screwed the pooch on this one.
 

raghu78

Diamond Member
Aug 23, 2012
4,093
1,475
136
This. People are reporting GTX1070's running at only 80% utilization. Developer has stated they intentionally load up on a single core - which is exactly what you aren't supposed to do in the DX12 model.

Developer screwed the pooch on this one.

People like you said the same about Hitman previously. Guess what today Nvidia cards do well in this game after a recent Nvidia driver massively boosted performance in this game. This pushed a GTX 1070 from trailing at launch the Fury X to well ahead of it today.

http://www.hardware.fr/articles/952-24/benchmark-hitman.html
http://www.hardware.fr/articles/968-8/benchmark-hitman.html

You are here to defend Nvidia and Intel on these forums. Thats so painfully obvious.
 

Phynaz

Lifer
Mar 13, 2006
10,140
819
126
People like you said the same about Hitman previously.
You are here to defend Nvidia and Intel on these forums. Thats so painfully obvious.

Ad hominem much?

From the developer:

Some users may notice that the game utilizes nearly 100% of one of their processor cores. This is expected behavior; we intentionally run in this manner so we can react as fast as possible in order to minimize input latency. Users on power-constrained devices, such as laptops and tablets, might want to use a Performance Target of “30 FPS (V-SYNC),” which will reduce processor usage and minimize power consumption.
 

raghu78

Diamond Member
Aug 23, 2012
4,093
1,475
136
Ad hominem much?

From the developer:

So what if the game uses 100% of one of the CPU cores. This does not mean the other cores are not used. The developer even gives their reasoning - to minimize input latency. So yeah you are tring to find excuses for Nvidia's lower performance. For all you know Nvidia will fix this game too like they fixed Ashes and Hitman. Then what are you going to have to say. Quit defending Nvidia/Intel everywhere.
 
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