What Is the difference between these 2 ram kits

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Random_tech

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Aug 24, 2015
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What is the difference between these 2 ram kits, other than the cost and the brand. Also will there be a difference in performance.

https://www.umart.com.au/umart1/pro/Products-details.phtml?id=10&id2=153&bid=2&sid=162280&

https://www.umart.com.au/umart1/pro/Products-details.phtml?id=10&id2=153&bid=2&sid=241538&
 
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1st -> no heat sink, CAS latency 11

2nd -> heat sink included, CAS latency 10 (slightly better)

the rest is the same, and altoough CAS latency is less in the 2nd, no difference in performance (maybe 1 point difference in some kind of benchmark.....)

just pick the less expensive, or if you prefer, the one with the heatsink, for the looks and (maybe) lower temps.
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blasc

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Nov 21, 2014
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1st -> no heat sink, CAS latency 11

2nd -> heat sink included, CAS latency 10 (slightly better)

the rest is the same, and altoough CAS latency is less in the 2nd, no difference in performance (maybe 1 point difference in some kind of benchmark.....)

just pick the less expensive, or if you prefer, the one with the heatsink, for the looks and (maybe) lower temps.
 
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Random_tech

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Aug 24, 2015
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What Is CAS latency

 
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blasc

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https://en.wikipedia.org/wiki/CAS_latency

Column Access Strobe (CAS) latency, or CL, is the delay time between the moment a memory controller tells the memory module to access a particular memory column on a RAM module, and the moment the data from the given array location is available on the module's output pins.

In general, the lower the CL, the better.

In asynchronous DRAM, the interval is specified in nanoseconds (absolute time). In synchronous DRAM, the interval is specified in clock cycles. Because the latency is dependent upon a number of clock ticks instead of absolute time, the actual time for an SDRAM module to respond to a CAS event might vary between uses of the same module if the clock rate differs.
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