SiSoft Sandra Lite XII.2008.SP2c (14.24)
Website: SiSoftware
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G.Skill F3-14400CL8D-4GBGT1 (1940MHz C8 OC)
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G.Skill F3-12800Cl7D-4GBPI (1940MHz C9 OC)
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Corsair CM3X2G1600C9DHX (1925MHz C9 OC)
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G.Skill F3-14400CL8D-4GBGT1 (1800MHz C8)
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G.Skill F3-12800Cl7D-4GBPI (1600MHz C7)
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Corsair CM3X2G1600C9DHX (1600MHz C7 LL)
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G.Skill F3-14400CL8D-4GBGT1 (1600MHz C7 LL)
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Corsair CM3X2G1600C9DHX (1600MHz C9)
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9484.5
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9468.0
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9387.5
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8992.0
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8367.5
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8350.5
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8341.0
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8049.5
MB/s (higher is better)
In Sisoft Sandra things are pretty much as we'd expect - the G.Skill GT1s are at the top with the best combination of overclock and optimial latency, however the other G.Skill Pi and Corsair are readily clipping at its heels. The low latency performance is also pretty similar too, and the Corsair easily optimises itself to match the low latency G.Skill Pi at C7.
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Corsair CM3X2G1600C9DHX (1760MHz C9 OC)
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G.Skill F3-14400CL8D-4GBGT1 (1740MHz C9)
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G.Skill F3-12800Cl7D-4GBPI (1740MHz C9 OC)
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G.Skill F3-14400CL8D-4GBGT1 (1600MHz C6 LL)
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G.Skill F3-12800Cl7D-4GBPI (1600MHz C6 LL)
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Corsair CM3X2G1600C9DHX (1600MHz C7 LL)
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G.Skill F3-12800Cl7D-4GBPI (1600MHz C7)
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Corsair CM3X2G1600C9DHX (1600MHz C9)
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9564.0
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9408.5
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9388.5
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8923.0
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8917.5
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8901.5
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8889.5
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8623.0
MB/s (higher is better)
Again things are just like we expect for a synthetic benchmark - the faster Corsair sits up at the top but the other G.Skill memories are not far behind. All are a chunk faster than the 1,600MHz setups, but without being able to hit 1,800MHz on the X48 board it basically extinguishes the GT1s advantage.
Of the low latency versus stock speeds, C6 offers almost nothing over C7 but both of these do offer a few hundred MB/s over the Corsair at stock speeds.
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G.Skill F3-14400CL8D-4GBGT1 (1940MHz C8 OC)
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G.Skill F3-12800Cl7D-4GBPI (1940MHz C9 OC)
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Corsair CM3X2G1600C9DHX (1925MHz C9 OC)
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G.Skill F3-14400CL8D-4GBGT1 (1800MHz C8)
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G.Skill F3-12800Cl7D-4GBPI (1600MHz C7)
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Corsair CM3X2G1600C9DHX (1600MHz C7 LL)
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G.Skill F3-14400CL8D-4GBGT1 (1600MHz C7 LL)
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Corsair CM3X2G1600C9DHX (1600MHz C9)
Nanoseconds (lower is better)
On the EVGA board the G.Skill GT1 and Pi memory match the Corsair even despite the latency and clock differences at 55ns, and at the other end of the table the Corsair at its stock speeds is significantly lower at 7ns more. There's not much to call between the whole table though, and whatever the G.Skill Pi offers in terms of optimal latencies or potential overclocks, the Corsair can basically match. Even the GT1s don't stretch out any lead.
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G.Skill F3-14400CL8D-4GBGT1 (1600MHz C6 LL)
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G.Skill F3-12800Cl7D-4GBPI (1600MHz C6 LL)
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Corsair CM3X2G1600C9DHX (1600MHz C7 LL)
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G.Skill F3-12800Cl7D-4GBPI (1740MHz C9 OC)
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Corsair CM3X2G1600C9DHX (1760MHz C9 OC)
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G.Skill F3-12800Cl7D-4GBPI (1600MHz C7)
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G.Skill F3-14400CL8D-4GBGT1 (1740MHz C9)
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Corsair CM3X2G1600C9DHX (1600MHz C9)
Nanoseconds (lower is better)
Again we see very little difference in latency across the range of systems. Inevitably the Corsair at its stock speeds of 1,600MHz C9 is a few nanoseconds slower at the bottom of the table, but it is easily optimised to join the leaders at C6/C7 and 68ns.
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