Average Bench: 87.7% (26th of 113)

Based on 396 user benchmarks.  Model: Corsair CM4B16G7L2666A16K2-O 2x16GB

Very good average bench

The Corsair CM4B16G7L2666A16K2-O 2x16GB averaged just 12.3% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Corsair CM4B16G7L2666A16K2-O 2x16GB near the top of the comparison list.

Strengths

Avg. 1 Core Write Bench 34.9GB/s
Avg. 16 Core Write Bench 33.9GB/s

Very good consistency

The range of scores (95th - 5th percentile) for the Corsair CM4B16G7L2666A16K2-O 2x16GB is just 14.1%. This is a relatively narrow range which indicates that the Corsair CM4B16G7L2666A16K2-O 2x16GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. 1 Core Read Bench 18.9GB/s
Avg. Physical RAM Latency 64.6ns
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Average Bench

(Based on 396 samples)
Min Avg Max
28.2 MC Read 31.9 34
30.9 MC Write 33.9 36.1
25.5 MC Mixed 27.7 29.7
89.1% 31.2 GB/s
Min Avg Max
14.8 SC Read 18.9 20.7
26.9 SC Write 34.9 38.2
20.5 SC Mixed 26.3 28.7
76.4% 26.7 GB/s
Min Avg Max
59.3 Latency 64.6 72.2
61.9% 64.6 ns
User Benchmarks Bench Multi core Single core Latency
The fastest RAM (mainstream) averages a speed of 100%
2 of 4 slots used
32GB DIMM DDR4 clocked @ 2667 MHz
MC Read 33.2
MC Write 35.2
MC Mixed 29.3
93% 32.6 GB/s
SC Read 20.6
SC Write 38
SC Mixed 28
82% 28.9 GB/s
Latency 67.7
59% 67.7 ns
2 of 4 slots used
32GB DIMM DDR4 clocked @ 2667 MHz
MC Read 33
MC Write 34.6
MC Mixed 27.7
91% 31.8 GB/s
SC Read 20.7
SC Write 38.2
SC Mixed 28.2
83% 29 GB/s
Latency 64.5
62% 64.5 ns
2 of 4 slots used
32GB DIMM DDR4 clocked @ 2667 MHz
MC Read 31.9
MC Write 34.2
MC Mixed 27.5
89% 31.2 GB/s
SC Read 20.7
SC Write 38.1
SC Mixed 28.5
83% 29.1 GB/s
Latency 67.2
60% 67.2 ns
2 of 4 slots used
32GB DIMM DDR4 clocked @ 2667 MHz
MC Read 32.4
MC Write 33.5
MC Mixed 27.4
89% 31.1 GB/s
SC Read 19.7
SC Write 36.9
SC Mixed 27.8
80% 28.1 GB/s
Latency 61.9
65% 61.9 ns
2 of 4 slots used
32GB DIMM DDR4 clocked @ 2667 MHz
MC Read 32.2
MC Write 34.1
MC Mixed 27.4
89% 31.2 GB/s
SC Read 17.9
SC Write 37.2
SC Mixed 26.2
77% 27.1 GB/s
Latency 65.7
61% 65.7 ns
2 of 4 slots used
32GB DIMM DDR4 clocked @ 2667 MHz
MC Read 30.1
MC Write 33.2
MC Mixed 27.3
86% 30.2 GB/s
SC Read 19.5
SC Write 35.1
SC Mixed 27.6
78% 27.4 GB/s
Latency 64.2
62% 64.2 ns
396 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 45,661,758 RAM Kits tested.

Typical CM4B16G7L2666A16K2-O 2x16GB Builds (Compare 108 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 166%
UFO
Desktop
Desktop 99%
Nuclear submarine
Workstation
Workstation 165%
UFO

System: Corsair ONE i160

EDIT WITH CUSTOM PC BUILDER Value: 42% - Average Total price: $1,735

Popular CM4B16G7L2666A16K2-O 2x16GB systems:

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.

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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
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Intel Core i5-11400F $260Nvidia RTX 3070 $500Samsung 850 Evo 120GB $183
Intel Core i7-11700K $350Nvidia GTX 1660S (Super) $240Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $78SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $78SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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