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 08 January 2010
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 Dr. Adrian Wong
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Super PI

Super PI Mod 1.5 calculates pi to a specific number of digits after the decimal point. We elected to use 1 million digits (1M). The result is given in the form of the time taken to finish the calculation (in seconds). However, it is a single-threaded benchmark, so it's only useful as an indication of how fast these processors are with older, single-threaded applications.

Clock Speed

QPI Speed

C0 Stepping

D0 Stepping

Difference

3.20 GHz

6.4 GT/s

12.855 s

12.712 s

+ 1.1 %

3.06 GHz

4.8 GT/s

13.478 s

13.245 s

+ 1.8 %

2.66 GHz

4.8 GT/s

15.459 s

15.257 s

+ 1.3 %

The D0 stepping was about 1-2% faster than the C0 stepping in this single-threaded test. A very small boost in performance, but it is still an improvement.

 

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Page

Topic

1

Introduction
What Is A Core Stepping?

2

What's New In The D0 Stepping?
It Is Also Faster!

3

The Processors
General Specifications

4

Testing The Intel Core i7 Processors

5

Left 4 Dead Single Core Results

6

Left 4 Dead Multi Core Results

7

Crysis Warhead Benchmark Results

8

CINEBENCH R10 Benchmark Results

9

x264 HD Benchmark 3.0 Results

10

Super PI Benchmark Results

11

Conclusion



 
   
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