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[OBR] AMD FX-8350 "retail?" performance

post #1 of 131
Thread Starter 
Quote:
Average performance of FX-8350 is about 8.5 percent higher than the FX-8150. In single-thread performance is new CPU better about 4.2 percent, in the multi-thread performance of 11.2 percent. Not bad for only tweaked BD, but still far from performance of Sandy/Ivy Bridge.


Source

Interesting, but again like all the others from obr, grain of salt (not sure what his numbers even mean).
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post #2 of 131
Think of Piledriver as a glorified new Bulldozer stepping.
post #3 of 131
so does this suggest that the clock for clock performance would be the same?

The 8150 is at 3.6ghz and the 8350 is at 4ghz. So clock the 8150 up to 4ghz and you close that 8% gap.
    
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post #4 of 131
Quote:
Originally Posted by sonicmat View Post

so does this suggest that the clock for clock performance would be the same?
The 8150 is at 3.6ghz and the 8350 is at 4ghz. So clock the 8150 up to 4ghz and you close that 8% gap.
Unlikely, I bet he left turbo on so they were at the same speed.
     
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post #5 of 131
Quote:
Originally Posted by Phoenixlight View Post

Unlikely, I bet he left turbo on so they were at the same speed.

Yep. A 0.4 ghz increase is a ~11% increase from 3.6, so unless IPC somehow went down, the numbers don't make any sense if we're using stock clocks.
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post #6 of 131
Obr is an idiot
post #7 of 131
Quote:
Originally Posted by Tsumi View Post

Yep. A 0.4 ghz increase is a ~11% increase from 3.6, so unless IPC somehow went down, the numbers don't make any sense if we're using stock clocks.
They both turbo up to 4.2Ghz, I don't trust that he set them at the speeds listed, I guess we'll find out next week though.
http://www.overclock.net/t/1304307/nicolas11x12-amd-piledriver-release-date/0_100#post_18128747
     
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post #8 of 131
Quote:
Originally Posted by Poisoner View Post

Obr is an idiot

Without a doubt. But he was pretty close w/ original BD Numbers.

Still......the numbers do seem odd. I wish he would put up the benchmark breakdowns......
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post #9 of 131
These benchmarks suck.. Look at single thread performance. The 2700k is 8% faster than the 2500k yet is only 6% higher in clock speed. Also the fx-6100 loses to the fx-8120 in single threaded yet is clocked higher. It's that way for a lot of the processors. The AMD 980 should smoke the 1100 in single threaded benches yet loses despite being clocked 10% higher.
post #10 of 131
8.5 percent average gain with a 11 percent higher clock? Sounds fishy.. anyway, a few things will make or break it for me and piledriver:

Power draw under control! (Most important)
Reliable and stable 5ghz+ on air/water
Cheaper overall system cost than i5 rig
Higher IPC than original BD, doesnt need to be much depending on price after inicial drops
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