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Comparison Crucial Ballistix Sport LT DDR4 2x8Gb BLS2K8G4D30AESCK vs Corsair Vengeance LPX DDR4 2x8Gb CMK16GX4M2B3000C15

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Crucial Ballistix Sport LT DDR4 2x8Gb BLS2K8G4D30AESCK
Corsair Vengeance LPX DDR4 2x8Gb CMK16GX4M2B3000C15
Crucial Ballistix Sport LT DDR4 2x8Gb BLS2K8G4D30AESCKCorsair Vengeance LPX DDR4 2x8Gb CMK16GX4M2B3000C15
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Memory capacity16 GB16 GB
Memory modules22
Form factorDIMMDIMM
TypeDDR4DDR4
Memory ranksingle ranksingle rank
Specs
Memory speed3000 MHz3000 MHz
Clock speed24000 MB/s24000 MB/s
CAS latencyCL15CL15
Memory timing15-16-1615-17-17-35
Voltage1.35 V1.35 V
Coolingradiatorradiator
Module profilestandardstandard
Module height33 mm33 mm
More features
overclocking series
XMP
overclocking series
XMP
Color
Added to E-Catalogmarch 2019november 2015

Memory timing

Timing is a term that refers to the time it takes to complete an operation. To understand the timing scheme, you need to know that structurally RAM consists of banks (from 2 to 8 per module), each of which, in turn, has rows and columns, like a table; when accessing memory, the bank is selected first, then the row, then the column. The timing scheme shows the time during which the four main operations are performed when working with RAM, and is usually written in four digits in the format CL-Trcd-Trp-Tras, where

CL is the minimum delay between receiving a command to read data and the start of their transfer;

Trcd — the minimum time between the selection of a row and the selection of a column in it;

Trp is the minimum time to close a row, that is, the delay between the signal and the actual closing. Only one bank line can be opened at a time; Before opening the next line, you must close the previous one.

Tras — the minimum time the row is active, in other words, the shortest time after which the row can be commanded to close after it has been opened.

Time in the timing scheme is measured in cycles, so the actual memory performance depends not only on the timing scheme, but also on the clock frequency. For example, 1600 MHz 8-8-8-24 memory will run at the same speed as 800 MHz 4-4-4-12 memory—in either case timings, if expressed in nanoseconds, will be 5-5-5-15.
Crucial Ballistix Sport LT DDR4 2x8Gb often compared
Corsair Vengeance LPX DDR4 2x8Gb often compared