AMD Sempron 3100+ Overclocking
Xbitlabs takes the Sempron 3100 (S754), Overclocks it and compares it to the Athlon 64 3400+ (2.2ghz 1MB), Athlon 64 2800+ (1.8ghz 512K), P4 3.4E and P4 3.4C.
[quote]
So, we continued investigating the overclocking potential of the Sempron 3100+ on the following testbed:
This Vcore value (v1.65) let us conquer the next frequency peak – 280MHz of the clock generator. The system was actually stable at 281MHz, too, and hang-ups and instability only occurred at 282MHz, but we rolled back to 280MHz for more stability; the effective CPU clock rate was very impressive anyway – [b]2.52GHz[/b]![/quote]
We should note that the Sempron 3100+ processor delivers good performance even without overclocking. Having only 256 kilobytes of L2 cache memory, it is just 1-2% slower than the full-featured Athlon 64 2800+.
As for the gain you receive by overclocking the Sempron 3100+, we enjoyed a performance growth of about 25% by clocking our sample at 2.52GHz (40% frequency boost). Thanks to that, the overclocked Sempron 3100+ could outperform the Pentium 4 3.4GHz as well as the Athlon 64 3400+ by about 5% in average.
Source: Xbitlabs
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