Average Bench: 46.8% (99th of 113)

Based on 3 user benchmarks.  Model: Corsair CM4B16G2L2666A18K2 1x16GB
Poor: 44%Average: 46.8% Great: 49%

Popular builds with this RAM

Below average average bench

The Corsair CM4B16G2L2666A18K2 1x16GB averaged 53.2% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.

Strengths

Avg. Physical RAM Latency 68.9ns
Avg. 16 Core Read Bench 17.3GB/s

Unknown consistency

There are too few samples to reasonably determine how consistently this RAM perfroms. This result should be interpreted with caution.

Weaknesses

Avg. 16 Core Mixed IO Bench 13GB/s
Avg. 1 Core Read Bench 13.6GB/s
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Average Bench

(Based on 3 samples)
Min Avg Max
16.8 MC Read 17.3 17.6
16 MC Write 16.4 17.2
12 MC Mixed 13 13.8
44.5% 15.6 GB/s
Min Avg Max
10.8 SC Read 13.6 15.5
15.1 SC Write 17.1 18.9
13.6 SC Mixed 15.4 16.4
43.9% 15.4 GB/s
Min Avg Max
66.6 Latency 68.9 71.1
58.1% 68.9 ns
User Benchmarks Bench Multi core Single core Latency
The fastest RAM (mainstream) averages a speed of 100%
1 of 4 slots used
16GB DIMM DDR4 clocked @ 2666 MHz
MC Read 17.6
MC Write 17.2
MC Mixed 13.8
46% 16.2 GB/s
SC Read 14.5
SC Write 18.9
SC Mixed 16.2
47% 16.5 GB/s
Latency 68.9
58% 68.9 ns
1 of 4 slots used
16GB DIMM DDR4 clocked @ 2666 MHz
MC Read 17.4
MC Write 16.1
MC Mixed 13.3
45% 15.6 GB/s
SC Read 15.5
SC Write 17.2
SC Mixed 16.4
47% 16.4 GB/s
Latency 66.6
60% 66.6 ns
1 of 4 slots used
16GB DIMM DDR4 2667 MHz clocked @ 2666 MHz
MC Read 16.8
MC Write 16
MC Mixed 12
43% 14.9 GB/s
SC Read 10.8
SC Write 15.1
SC Mixed 13.6
38% 13.2 GB/s
Latency 71.1
56% 71.1 ns

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 45,816,251 RAM Kits tested.

Typical CM4B16G2L2666A18K2 1x16GB Builds (Compare 364 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 144%
UFO
Desktop
Desktop 99%
Nuclear submarine
Workstation
Workstation 146%
UFO

Motherboard: Asus ROG STRIX Z490-G GAMING

EDIT WITH CUSTOM PC BUILDER Value: 79% - Very good Total price: $934

Popular CM4B16G2L2666A18K2 1x16GB compatible motherboards:

How Fast Is Your RAM? (Bench your build) Size up your PC in less than a minute.

Welcome to our freeware PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best upgrades.

UserBenchmark of the month

How it works

  • - Download and run UserBenchMark.
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write, sustained write and mixed IO.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - SkillBench (space shooter) tests user input accuracy.
  • - Reports are generated and presented on userbenchmark.com.
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
  • - Compare your components to the current market leaders.
  • - Explore your best upgrade options with a virtual PC build.
  • - Compare your in-game FPS to other users with your hardware.
Memory Kit Rankings (Price vs Performance) September 2021 RAM Rankings.

We calculate effective RAM speed which measures performance for typical desktop users. Effective speed is adjusted by current cost per GB to yield value for money. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top Memory Kits. [RAMPro]

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Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.

 Comments

113 Memory Kits (Compared) Thousands of user benchmarks compiled into one comparison list.

See how consistently different RAM Kits perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

 Best User Rated

The Best.
CPUGPUSSD
Intel Core i5-11600K $270Nvidia RTX 3060-Ti $400Crucial MX500 250GB $45
Intel Core i5-11400F $260Nvidia RTX 3070 $500Samsung 860 Evo 250GB $52
Intel Core i7-11700K $380Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $183
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $74SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $77SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $72G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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