AMD BULLDOZER OR PILEDRIVER DRIVER

Email will not be published required. We set both of our contenders at a clock speed of 4Ghz, a voltage of 1. I will update the post. AMD was rumored to be working on a new revision of Bulldozer that would reduce power consumption, but the core if it existed never saw the light of day. Nov 5, by Thomas Ryan. Throughput does not increase beyond 8 threads because the OS is time-slicing threads onto 8 hardware thread contexts, and time-slicing offers no performance improvement to CPU-bound tasks. Blog Random stuff… Comments Posts.

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Look at this cost comparison for machines for similar price:.

For the server market, three versions were stated to be under development: That explains their current financial situation…. Does Piledriver deliver where Bulldozer fell short? Since it launched, Sunnyvale has laid off thousands, is preparing to lay off thousands morecancelled its first set of 28nm chips based on the Bobcat architecture, and has lost ground overall in the PC market.

The K suffix denotes an unlocked A-series processor. Views Read Edit View history. Our final test, Chalkboard, shows a seven percent advantage in favor of Piledriver. piledtiver

I realized that comparing prices per GHZ makes no sense since we have seen that the number of operations per GHZ depends heavily on the processor. All articles with unsourced statements Articles with unsourced statements from August In a thermally-constrained environment densely-packed cardboard boxes where the high power consumption of an AMD chip causes it to lose its clock speed advantage over Intel, the AMD chips perform rather poorly regardless of how many threads are available.

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The FX has a five percent clock speed advantage over the FX, in addition to a six percent average in per clock performance improvement. Retrieved 22 March As configured see above tablethe AMD chips already consume more power.

I will update the post. But you say it does all the internal calculations, including operations with fractions, with integers? This site may earn affiliate commissions from the links on this page.

AMD’s FX-8350 analyzed: Does Piledriver deliver where Bulldozer fell short?

We are already familiar with the two extreme points of this design space: To find out we dusted buldozer an old FX and warmed up the testing platform from our recent FX review. However, when considering two threads, there is a continuum of design points that range from time-slicing threads on an unmodified CPU core 1.

If it was really floating-point, the runtime pilediver approximately not depend on the size of the numbers. Blog Random stuff… Comments Posts. Thomas Ryan Author at SemiAccurate. Speedup from two-way multithreading, comparing 8 threads to 4. Six percent is the average advantage that Piledriver offers over Bulldozer when both are in an eight core configuration, and clocked at 4Ghz.

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AMD’s FX analyzed: Does Piledriver deliver where Bulldozer fell short? – ExtremeTech

Speedup from four cores with shared last-level cache. We focused on a simple floating point test because pilledriver customer needs to run parallel floating point calculations. What we got is not shockingly different from what you got. I think you should try asking your users what tasks they care about.

The summary is here: Poorly threaded web based tests like the SunSpider and Chalkboard benchmarks showed much larger gains than well threaded tests like our wPrime pilesriver Truecrypt benchmarks.

We set both of our contenders at a clock speed of 4Ghz, a voltage of 1. Latest posts by Thomas Ryan see all.

AMD’s Bulldozer core compared with Piledriver – SemiAccurate

Moving to the benchmarks we tested these chips in a modified version of the CPU test suite we used for the Trinity and Vishera reviews.

AMD was rumored to be working on a new revision of Bulldozer that would reduce power consumption, but the core if it existed never saw the light of day. NET benchmark, Piledriver is once again ahead by eight percent. Looking at Handbrake, Piledriver outperforms Bulldozer again by about six percent.

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