Lavalys Everest Memory Performance

Website: Lavalys


Understandably the overclocked memory on the EVGA comes out trumps, with the GT1s leading the pack at 1,940MHz with a CAS latency of 8. The nForce 790i Ultra SLI is heavily skewed towards read performance though, where even though the best overclock on the EVGA is some 200MHz more than the Asus Rampage Extreme the write and copy performance is only slightly higher.

Overall, the low latency 1,600MHz scores aren't too far behind the overclocked ones, although the memory write performance benefits quite considerably. The 1,800MHz G.Skill GT1s are naturally a bit faster than the Corsair and G.Skill Pi at 1,600MHz, but even at the bottom of the graph we'd hardly call the Corsair slow.

In fact, with just a touch more voltage the Corsair C9 easily overclocked to C7, matching the G.Skill Pi, however the total overclock of the Pi was a fraction faster at 1,940MHz versus 1,925MHz.

All in all, our quad-core processor was a bit limiting in the total overclock - we hit 1,940MHz, or 485MHz FSB with a Q9550, however our dual core E8500 couldn't do much better with all of the memory modules tested here.


On the Intel X48 front things are a little more condensed. Here the Corsair actually comes out on top - we were able to keep it stable and squeeze 5MHz more front side bus, or 20MHz on the memory. With the exact same settings, or even with more voltage neither of the G.SKill kits could match it for stability and we had to dial it back a touch. Inevitably this means the Corsair overclocks better and comes out faster than the more expensive G.Skill on the Rampage Extreme.

Like with the EVGA, the overclocked scores provide better write and copy performance because the CPU front side bus is greater, however because the latencies drop the read performance remains pretty uniform.


The GT1 at 1,800MHz gives a surprisingly low latency, but it is at 8-8-8-21 which is lower than the 9-9-9-24 from the overclocked systems. There's very little difference across the field though and it's nicely mixed between low latency C7 and high clocked C9 systems. Since the nForce 790i Ultra SLI doesn't like low latency, it doesn't surprise us that the C7 LL numbers come out pretty uniform as the lowest we could tune everything to was 7-7-7-16-1T.


The Rampage Extreme comes out higher latency than the nForce 790i Ultra SLI, even despite being able to do lower latencies at 1,600MHz. The field is split by a much smaller margin too, although the low latency setups are pushed towards the top and the higher clocked CAS-9 setups sit at the bottom. Overall, whatever kit you buy there's very little in it here if you run an Intel X48 board - and while in theory maybe G.Skill's Pi memory at C7 is better suited to optimising for lower latency, the Corsair still manages to equal it.