New Polaris10 and Polaris11 Specifications
AMDs two upcoming GPUs based upon Polaris architecture might see a different configuration, at least that's what tpu claims according to industry sources. AMD would be planning a mainstream and performance-segment GPU which kind off confirms already what we discussed, a R9 470 and 480 was expected initially.
However, TPU writes that the performance-segment chip called "Ellesmere," would feature 32 compute units (CUs), and not the previously suggested 40. Per CU there are 64 shader processors, so that would indicate to be a drop from 2560 shader processors, towards 2048 shader processors. And that's a pretty significant difference.
It is also stated that this product would be able to perform at 5.5 TFLOP/sec for single-precision floating point performance, which is very close to Hawaii/Grenada aka the Radeon R9 390 series. Hawaii uses a lot of power though, a 250W TDP. The new chip would use 150W only, which is good news. it is drawing it's power from one single 8-pin power connector.
Memory wise it is suggested to get GDDR5 memory at 7 Gbps (effective). Obviously some features will be upgraded like support for HVEC/H.265 hardware encode/decode acceleration, DisplayPort 1.3, and HDMI 2.0a outputs.
The lower specced mainstream part called "Baffin" would only get 14 CU x 64 = 896 shader processors, which quite honestly seems to be a too low number and sounds more of an equivalent to the 360 series. This part has a peak single-precision floating-point performance rated at 2.5 TFLOP/s. The TDP is rated at just 50W, and it is expected to feature a 128-bit wide GDDR5 memory interface, holding 4 GB of memory.
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I ain't a fanboy, I don't care what card I buy. I buy whatever is best for me at that time.
So, I really hope AMD are just messing around, and drop a bomb on us that involve insane high-end (and above) card performance with even more insane value.
Senior Member
Posts: 31495
Joined: 2005-01-08
I ain't a fanboy, I don't care what card I buy. I buy whatever is best for me at that time.
So, I really hope AMD are just messing around, and drop a bomb on us that involve insane high-end (and above) card performance with even more insane value.
That's definitely not happening around the time of 1080/1070 release.
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Did not know that the mention of "mainstream" VR is not pure spin? Just being a parrot; needs cracker. The whole point, it's their spin on the cards. Generating hype by saying nothing more than the price for 390 series replacements is less than the 390's are currently. That and the power consumption drop. Every piece of marketing so far has pointed to this thus far; ignoring rumors. In other words, they have said nothing credible about the cards except for relative price. Until AMD makes an official announcement, everything is rumor and should be treated like all marketing; hot air, puff of smoke. Everything else is arguing which grain of sand has more sides.
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It isn't so bad if it's 390x performance (probably will exceed it in some cases) at 380x prices, with a low power envelope they can use those same GPUs for mobile, a market which they had been outclassed in recent years...
Anyway, Vega will be the GP104 competitor, and we can safely assume it will have ~4096 SPs like fiji, so Polaris' clocks will give us a rough estimate of what we can expect from vega
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The rumor says that the NEO has 2300 shader cores with 36 CUs. That would put a 40 CU part on the 2560 shader range. It all depends on the clocks in the end. The 390x still has the massive memory bandwidth advantage.