Corsair CM4X8GF2666C16K4 8GB

Price and performance details for the Corsair CM4X8GF2666C16K4 8GB can be found below. This is made using thousands of PerformanceTest benchmark results and is updated daily.

The graphs shows the relative performance of the ram module compared up to 9 other common ram modules of same type. For DDR3 and DDR4, the values will be from systems using newer Intel CPUs where available.
If pricing history data is available for the ram module, a chart with be created charting price changes.
The last graph shows up to the last 5 baselines we have received for this particular ram module. Both Intel and AMD results are shown.

Corsair CM4X8GF2666C16K4 8GB

Description: PC4-17000, 1.2V, CAS Supported: 9 10 11 12 13 14 15 16

Other names: Corsair CM4X8GF2666C16K4

Memory First Benchmarked: 2020-08-13

Last Price Change: NA

Average Mark

2978
Samples: 49

Memory Test Suite Average Results for Corsair CM4X8GF2666C16K4 8GB

Database Operations	4,896 KOps/Sec
Memory Read Cached	31,867 MBytes/Sec
Memory Read Uncached	17,824 MBytes/Sec
Memory Write	12,250 MBytes/Sec
Latency	38 ns (lower is better)
Memory Threaded	33,133 MBytes/Sec

From submitted results to PerformanceTest V10 as of 29th of March 2025.

Latency
As of 29th of March 2025 - Lower numbers represent better performance
Memory Model	Average
Corsair CMK16GX4M2B3200C16 8GB		41 ns
Team Group Inc. TEAMGROUP-UD4-3200 8GB		42 ns
Corsair CMK32GX4M2E3200C16 16GB		45 ns
Corsair CMW16GX4M2C3200C16 8GB		40 ns
G Skill Intl F4-3200C16-8GVKB 8GB		41 ns
G Skill Intl F4-3200C16-16GVK 16GB		41 ns
Kingston KF3200C16D4/8GX 8GB		43 ns
Corsair CMK16GX4M2B3000C15 8GB		40 ns
Kingston KF3200C16D4/16GX 16GB		43 ns
Corsair CM4X8GF2666C16K4 8GB		38 ns
PassMark Software © 2008-2025

Read Uncached Transfer Speed
As of 29th of March 2025 - Higher results represent better performance
Memory Model	Average
Corsair CMK16GX4M2B3200C16 8GB		18.6 GB/s
Team Group Inc. TEAMGROUP-UD4-3200 8GB		19.8 GB/s
Corsair CMK32GX4M2E3200C16 16GB		20.0 GB/s
Corsair CMW16GX4M2C3200C16 8GB		19.0 GB/s
G Skill Intl F4-3200C16-8GVKB 8GB		18.9 GB/s
G Skill Intl F4-3200C16-16GVK 16GB		19.5 GB/s
Kingston KF3200C16D4/8GX 8GB		20.8 GB/s
Corsair CMK16GX4M2B3000C15 8GB		17.7 GB/s
Kingston KF3200C16D4/16GX 16GB		21.4 GB/s
Corsair CM4X8GF2666C16K4 8GB		17.8 GB/s
PassMark Software © 2008-2025

Write Transfer Speed
As of 29th of March 2025 - Higher results represent better performance
Memory Model	Average
Corsair CMK16GX4M2B3200C16 8GB		12.6 GB/s
Team Group Inc. TEAMGROUP-UD4-3200 8GB		13.3 GB/s
Corsair CMK32GX4M2E3200C16 16GB		13.5 GB/s
Corsair CMW16GX4M2C3200C16 8GB		13.0 GB/s
G Skill Intl F4-3200C16-8GVKB 8GB		12.5 GB/s
G Skill Intl F4-3200C16-16GVK 16GB		13.9 GB/s
Kingston KF3200C16D4/8GX 8GB		13.6 GB/s
Corsair CMK16GX4M2B3000C15 8GB		11.9 GB/s
Kingston KF3200C16D4/16GX 16GB		14.6 GB/s
Corsair CM4X8GF2666C16K4 8GB		12.2 GB/s
PassMark Software © 2008-2025

Threaded Memory
As of 29th of March 2025 - Higher results represent better performance
Memory Model	Average
Corsair CMK16GX4M2B3200C16 8GB		37.4 GB/s
Team Group Inc. TEAMGROUP-UD4-3200 8GB		39.8 GB/s
Corsair CMK32GX4M2E3200C16 16GB		37.6 GB/s
Corsair CMW16GX4M2C3200C16 8GB		37.7 GB/s
G Skill Intl F4-3200C16-8GVKB 8GB		37.8 GB/s
G Skill Intl F4-3200C16-16GVK 16GB		38.5 GB/s
Kingston KF3200C16D4/8GX 8GB		40.2 GB/s
Corsair CMK16GX4M2B3000C15 8GB		34.9 GB/s
Kingston KF3200C16D4/16GX 16GB		40.5 GB/s
Corsair CM4X8GF2666C16K4 8GB		33.1 GB/s
PassMark Software © 2008-2025

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Last 5 Baselines for Corsair CM4X8GF2666C16K4 8GB
Most recent listed first
Baseline	Benchmark Results
BL2429208 - Feb 20 2025		55 ns - Latency 21.7 GB/s - Read Uncached 13.6 GB/s - Write 36.1 GB/s - Threaded
BL2423671 - Feb 18 2025		33 ns - Latency 14.8 GB/s - Read Uncached 10.2 GB/s - Write 27.9 GB/s - Threaded
BL2421589 - Feb 17 2025		31 ns - Latency 15.6 GB/s - Read Uncached 11.0 GB/s - Write 28.1 GB/s - Threaded
BL2301702 - Dec 26 2024		31 ns - Latency 22.3 GB/s - Read Uncached 12.1 GB/s - Write 38.1 GB/s - Threaded
BL2194606 - Sep 14 2024		33 ns - Latency 15.8 GB/s - Read Uncached 11.0 GB/s - Write 25.7 GB/s - Threaded
PassMark Software © 2008-2025

RAM Benchmarks

Memory Benchmarks

Corsair CM4X8GF2666C16K4 8GB

Memory Test Suite Average Results for Corsair CM4X8GF2666C16K4 8GB