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LGA 775 better than LGA 1156??? - Page 3

post #21 of 26
Let me see your q 9650 score 61 g flops in ibt like my I5 750.
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post #22 of 26
Quote:
Originally Posted by Lord Xeb;11813579 
The Nehalem architecture is far more efficient clock per clock. Actually around 30% quicker. Overall, though, on single threaded apps, they are about the same. Put it into an area that needs multitasking (like encoding video) and a 1156 chip will shine and beat the snot out of a C2Q.

Just because a processor has more cache means jack. The C2Qs (later models such as the Q9650) have 12MB of cache but it is divided by 4 amongst the cores, giving each core 4MB each of L2. L1 cache is not included into this but is 128KB/core . Because of this L2 cache is not shared. If a core needs more cache, it cannot access it.

Although more cache means more storage to keep a core feed, that doesn't mean the processor will be faster.

A Nehalem processor (iX series) has L1, L2, and L3 cache. L3 being shared.

These the Core i7 950 for example has (32KB instruction, 32KB data) 64KB L1/core, 256KB L2/core, and 8MB L3. L3 is shared so if one core needs more cache than the other, it can have it. This makes the overall design more efficient. On top of this each core can "talk" to each other on die instead of having the "talk" over the NB like the old C2 series. This further increases efficiency and work load sharing. Furthermore the fact that the Nehalem architecture has its memory controller on die instead of on the NB makes memory access much quicker as well, thus reducing the time between accessing ram and actually feeding the processor. This reduces the number of cycles the CPU goes without data and further increases efficiency and speed. Any time a chip has to go off die to access something, it is like going from freeway to a dirt country road, then back onto the freeway.


I could go on and on about this, but your assessment is wrong by a long margin.


Also your PhII is about the same clock/clock as the C2Q, why make a leap sideways?

On top of this, the 1156 mobos are COMPLETELY different than your 775 socket boards. They have more layers, more interconnects, needs for higher quality parts, etc. This all adds up. One top of it being newer tech means these boards don't come cheap. But I can get a decent 1156 board for under 100 if you know where to look.


this man speaks sense. all heed his warnings or the apocalypse will arrive.

why go for OLDER tech?
     
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post #23 of 26
For a new build go with a new tech...plain and simple..

My Q9550 @ 3.9GHz scores 51Gflops in IBT but IBT is not a valid benchmark as it`s inconsistent..

CHEERS..
     
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post #24 of 26
yeah this thread is kind of nuts.... i would def give my E7300 up for an i5 any day of the week,seems new tech scales better... but idk
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post #25 of 26
Quote:
Originally Posted by djsi38t;11815665 
Let me see your q 9650 score 61 g flops in ibt like my I5 750.

I`ve seen your score @ 4.3GHz you scored 60.5Gflops and mm67 scored with Q9550 @ 4.25GHz 58Gflops so don`t try to pawn on Q9550 like it`s a cripled horse compared to Ci5 750..biggrin.gif

Ci5 IS BETTER there`s no dubt about it and for a new build i would go for it if I was on weaker setup than I am right now..

But it`s not that better to make me drop my current setup and go for Ci5 750..

CHEERS..
     
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post #26 of 26
Quote:
Originally Posted by KingT;11815866 
But it`s not that better to make me drop my current setup and go for Ci5 750..

CHEERS..

Only reason I did was cause my UD3P took a dive, had to RMA it. Figured if I had to buy a new board anyway may as well sell my Q9550 & DDR2..

Got 160 for my Q9550 - Paid 175 for the i5-760 - $15 out of pocket
Got my rip jaws for 65, got the same for my Reapers - $0 out of pocket
Paid 107.50 for my P55 SLI. Will be selling my UD3P when it gets back. Figure I'll make up that 15 from the cpu and its an even swap... Or give someone a deal here and call it good faith

End result, no to little cost upgrade... wave2.gif

Im with KingT on this one. Buying new hardware/new build, it would be foolish to pay the same amount for older tech. Although 1156 is on the verge of old tech now too...
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