How CPU Features Affect CPU Performance, Part 5
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Data compression
Without Turbo Boost and Hyper-Threading
| |
1 core |
2 cores |
3 cores |
4 cores |
| 7-Zip ↓ |
05:01 |
03:49 |
31% |
03:48 |
0% |
03:45 |
1% |
| WinRAR ↓ |
01:42 |
01:17 |
32% |
01:19 |
-3% |
01:19 |
0% |
| Group Score ↑ |
105 |
139 |
32% |
138 |
-1% |
138 |
0% |
That's a traditional strange negative response to three cores, which is absent in Phenom II X4.
With Turbo Boost and Hyper-Threading
| |
2 cores |
4 cores |
6 cores |
8 cores |
| 7-Zip ↓ |
04:16 |
03:46 |
13% |
03:55 |
-4% |
03:37 |
8% |
| WinRAR ↓ |
01:29 |
01:13 |
22% |
01:19 |
-8% |
01:07 |
18% |
| Group Score ↑ |
122 |
144 |
18% |
135 |
-6% |
153 |
13% |
Response to three cores got only stronger, but there appeared a difference between 7-Zip and WinRAR, practically unnoticeable with disabled TB and HT.
Compared to AMD Phenom II X4
A standard situation. Phenom II X4 leads in scalability.
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