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[The Tech Report] Radeon HD 7950 vs. GeForce GTX 660 Ti revisited - Page 15  

post #141 of 745
Quote:
Originally Posted by geoxile View Post

It seems so. But the reference 7950 they're using is clocked in at 800mhz instead of the (new?) 850 + boost standard
http://www.techpowerup.com/reviews/HIS/HD_7950_X2_Boost/1.html

The HIS 7950 stock clock is 950 MHZ vs the 800 MHZ stock.

Looking at all 7950's available for sale, their clocks all differ, the HIS card is the highest clocked card, and it's also $350 compared to $280 for the GTX 660 TI AMP.

That Zotac AMP looks more attractive for $70 LESS.
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post #142 of 745
Sadly, most of you are not being very objective about this and let emotions dictate what you write. This is clearly a case of drivers for windows 8 vs windows 7. And poorly matched clocked cards. The reviews that show the v12.11 7950 boost cards being on part or faster than the 670 did their benchmarks on windows 7. Every other side discussion here is unnecessary and a waste of time. Although, that's your choice to go at it. have fun.
post #143 of 745
Quote:
Originally Posted by hangallfanboyz View Post

Nice to see this myth of the 12.11 amd driver finally squashed. Fan-tards always love exaggerating.

One hell of a myth there turbo rolleyes.gif













Credit to hardwarecanucks.com for their review and slides.
http://www.hardwarecanucks.com/forum/hardware-canucks-reviews/57413-amd-12-11-never-settle-driver-performance-17.html
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post #144 of 745
Quote:
Originally Posted by 2010rig View Post

The HIS 7950 stock clock is 950 MHZ vs the 800 MHZ stock.
Looking at all 7950's available for sale, their clocks all differ, the HIS card is the highest clocked card, and it's also $350 compared to $280 for the GTX 660 TI AMP.
That Zotac AMP looks more attractive for $70 LESS.

950Mhz is the boost clock of the HIS as you can see. The VaporX also comes in at 950mhz
http://www.newegg.com/Product/Product.aspx?Item=N82E16814202003
For 40 dollars less overall

Also, 850 + boost to 925mhz is the new standard stock clock according to AMD.
http://www.amd.com/us/products/desktop/graphics/7000/7950/Pages/radeon-7950.aspx#3

As for the value. I would say it depends. On HWbot the average OC on the 660TI is 1159 so chances are the AMP! may not OC much more. On the other hand the average 7950 OC is 1151 (very close to the 660TI), meaning the 7950 would potentially have more headroom for OCing. I'm pretty sure TPU's Kepler cards include their own default boosts as well, since they're listed with a + next to the clock speed, in which case the 660TI in the review was likely 980mhz. There's also the matter of the three free games, two of which are brand new compared.
Edited by geoxile - 12/5/12 at 8:30pm
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post #145 of 745
Quote:
Originally Posted by Forceman View Post

You deride people who use the Tech Report review, but you keep using the same Techspot review in your arguments. No other review, and no other game, shows the difference as that large. The [H] review pegged it at 10% faster in Apples to Apples for MOH:W.

You forgot to see the hardocp MOH Warfighter scores at 2560 x 1600 Ultra 4x MSAA in each of those reviews.

"The NVIDIA GeForce GTX 670 was the first video card that we had to alter graphics options for. We found it playable at 2560x1600 with 2X MSAA and FXAA High, 16X AF and all graphics options on the highest setting. While playing at these settings it averaged 52 FPS. When we tried to play with 4X MSAA enabled on the NVIDIA GeForce GTX 670 the framerate would often drop in to the upper 30's for extended periods of time. While the NVIDIA GeForce GTX 670 averaged 41.5 FPS at these settings we did not feel it was playable. We prefer the framerate to be closer to 45 FPS which effectively eliminates most lag."

2560 X 1600 Ultra 4x MSAA

HD 7950 boost - avg 44.3 fps min 35 fps
GTX 670 - avg 41.5

2560 x 1600 Ultra 2x MSAA
GTX 670 - avg 52 min 42 fps
GTX 660 Ti - avg 44.9 min 35 fps

the GTX 670 loses 20% while going from 4x MSAA to 2x MSAA . the GTX 660 Ti with its 24 ROP and 192 bit memory would struggle to keep the same perf scaling at 4x MSAA. even if you assume it does you are looking at (41.5 / 52 x 44.9 = 35.8 fps) . the HD 7950 boost is more than 205 faster.
Quote:
Sorry my top of the head percentages were off by a few. The 7950 is, at best, centered between the 660 Ti and the 670 in the Techpowerup review - at lower resolutions it is much closer to the 660 Ti. So it can't be marginally slower then the 670 without also being marginally faster than the 660 Ti. You can't have it both ways.

the exact same speeds (850 / 950 mhz) were used in the techreport reivew

http://www.techpowerup.com/reviews/HIS/HD_7950_X2_Boost/28.html

1920 x 1200
GTX 660 Ti - 87
HIS ICEQ HD 7950 boost - 100
GTX 670 - 101

2560 x 1600

GTX 660 Ti - 82
GTX 670 - 96
HIS ICE HD 7950 boost - 100
GTX 680 -105

http://www.hardocp.com/article/2012/11/12/fall_2012_gpu_driver_comparison_roundup/8

"Middle pricing band – This pricing band was far less competitive as the Radeon HD 7950 with Boost simply demolished the GTX 660 Ti across the board with regards to raw frame rates and overall game play experience across our suite of testing. "
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post #146 of 745
Quote:
Originally Posted by geoxile View Post


As for the value. I would say it depends. On HWbot the average OC on the 660TI is 1159 so chances are the AMP! may not OC much more. On the other hand the average 7950 OC is 1151 (very close to the 660TI), meaning the 7950 would potentially have more headroom for OCing. I'm pretty sure TPU's Kepler cards include their own default boosts as well, since they're listed with a + next to the clock speed, in which case the 660TI in the review was likely 980mhz

What? headscratch.gif

The average OC on the 7950 is lower than the average OC on a 660TI, so in your head that means the 7950 has a higher OC ceiling? Explain your rational plz.

Also, a link showing these results, not doubting you, just wanna see it for future reference.

I really think 7950 is better it has to be, has more ram and bigger bus, but saying it destroys the 660ti is an exaggeration is all. In the 660ti club average OC seems to be alott better.

Either way considering the price difference 660ti is no slouch. I have been enjoying it, maxes all games crysis 2, BF3 with ease and metro 2033.
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post #147 of 745
Quote:
Originally Posted by Dimaggio1103 View Post

What? headscratch.gif
The average OC on the 7950 is lower than the average OC on a 660TI, so in your head that means the 7950 has a higher OC ceiling? Explain your rational plz.
Also, a link showing these results, not doubting you, just wanna see it for future reference.
I really think 7950 is better it has to be, has more ram and bigger bus, but saying it destroys the 660ti is an exaggeration is all. In the 660ti club average OC seems to be alott better.
Either way considering the price difference 660ti is no slouch. I have been enjoying it, maxes all games crysis 2, BF3 with ease and metro 2033.

Read what I said carefully. Ceiling is NOT the same as headroom. A 7950 at 950mhz like in the TPU review, as well as the review this topic is about, still has 201mhz to go before hitting the 1151mhz average. Meanwhile the Zotac AMP! is already at the peak of an average 660TI while being more or less a match for a 7950 that's clocked in at 950mhz.

http://hwbot.org/hardware/videocard/radeon_hd_7950/
http://hwbot.org/hardware/videocard/geforce_gtx_660_ti/
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post #148 of 745
Interesting results. I was expecting a slaughter of the 660, hell the 680 can be bested by a 7950 once overclocked. This latency testing is somewhat new to me, but from what I gather is that the latency is higher than a cross fire setup. I'd like to see confirmation from more reviewers, but still a good read. Thanks for posting!
post #149 of 745
Quote:
Originally Posted by d-block View Post

Interesting results. I was expecting a slaughter of the 660, hell the 680 can be bested by a 7950 once overclocked. This latency testing is somewhat new to me, but from what I gather is that the latency is higher than a cross fire setup. I'd like to see confirmation from more reviewers, but still a good read. Thanks for posting!


Search my post in this thread. I link two 7950s that TR tested, a previous test and this one. The first test showed typical single card latency which is nothing to note. And yet the second test shows an incredible amount of latency, unheard of for a single card. It's a single card, there should be minimal latency! And yet, this 7950 is off the chart. Yea, something isn't right. I don't even care about the actual benches lol. They even admit they don't know what the five is happening. How could an expert not know? I find that hard to believe. Would you expect a reviewer to go ahead and publish data whilst not knowing how they derived at that result? Feigning ignorance is not a good procedure in my book.
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post #150 of 745
Next thing people will complain about is the Ti having less "cores" than the 7950. Oh noes, we should have cards that match core count AND frequency. Maybe then we could see an unbiased review for both companies, because obviously there is a bias there too. Nvidia should release cards with the same core count, same size, and same frequency as Radeon. That'll teach them!

[edit] HWBot bias!!! Less Nvidia cards tested!!! BIAS BIAS!!!

Seriously though, you ever think that more people who buy Radeon cards go that route intentionally? They buy the cards to overclock, where as the Nvidia fans don't bother? Taking that into account, why wouldn't manufacturers design the cards for more OC headroom to appease their fan base? Just a thought, could also be Nvidia is strict as a nun's but and doesn't let anyone do anything to keep specs in place.

I'm done now, cause I'm not getting into who's better or not. I personally think both are pretty even this generation, it's going to be an interesting battle.
Edited by mushroomboy - 12/5/12 at 9:17pm
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