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 08 January 2010
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 Dr. Adrian Wong
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Left 4 Dead

Single Core Results (1920 x 1200)

Clock Speed

QPI Speed

C0 Stepping

D0 Stepping

Difference

3.20 GHz

6.4 GT/s

93.9 fps

95.6 fps

+ 1.8 %

3.06 GHz

4.8 GT/s

92.3 fps

95.4 fps

+ 3.4 %

2.66 GHz

4.8 GT/s

81.4 fps

85.9 fps

+ 5.5 %

Even at this high resolution, the effect of the processor's performance was noticeable in Left 4 Dead. With everything else equal, the D0 stepping was faster than the C0 stepping by 2-5%.

 

Single Core Results (1280 x 1024)

Clock Speed

QPI Speed

C0 Stepping

D0 Stepping

Difference

3.20 GHz

6.4 GT/s

98.2 fps

100.3 fps

+ 2.1 %

3.06 GHz

4.8 GT/s

95.6 fps

98.5 fps

+ 3.0 %

2.66 GHz

4.8 GT/s

84.0 fps

86.4 fps

+ 2.9 %

At the lower resolution of 1280 x 1024, we expected the processor's performance to became more of a factor (as the impact of the graphics card is reduced). However, the D0 stepping's performance advantage over the C0 stepping was limited to just 2-3%.

 

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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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