Average Bench: 77.3% (60th of 105)

Based on 194 user benchmarks.  Model: Corsair CMR32GX4M2A2666C16 2x16GB

Good average bench

The Corsair CMR32GX4M2A2666C16 2x16GB averaged 22.6% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Corsair CMR32GX4M2A2666C16 2x16GB near the top of the comparison list.


Avg. 1 Core Write Bench 30.4GB/s
Avg. 16 Core Write Bench 29.2GB/s

Average consistency

The range of scores (95th - 5th percentile) for the Corsair CMR32GX4M2A2666C16 2x16GB is 43.1%. This is a relatively wide range which indicates that the Corsair CMR32GX4M2A2666C16 2x16GB performs inconsistently under varying real world conditions.


Avg. 1 Core Read Bench 17.9GB/s
Avg. Physical RAM Latency 71ns

Average Bench

(Based on 194 samples)
Min Avg Max
14.9 MC Read 28.6 35.5
15.4 MC Write 29.2 34.7
13.5 MC Mixed 24.1 29.8
78% 27.3 GB/s
Min Avg Max
10 SC Read 17.9 21.5
16 SC Write 30.4 38.5
11.1 SC Mixed 23.6 28.7
68.5% 24 GB/s
Min Avg Max
58.1 Latency 71 102
56.3% 71 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 @ 2666 MHz
MC Read 33.9
MC Write 33.8
MC Mixed 28.1
91% 31.9 GB/s
SC Read 20.4
SC Write 35.1
SC Mixed 27.2
79% 27.6 GB/s
Latency 61.2
65% 61.2 ns
2 of 4 slots used
32GB DIMM DDR4 clocked @ 2133 MHz
MC Read 25.7
MC Write 26.9
MC Mixed 22.3
71% 25 GB/s
SC Read 15.8
SC Write 27.2
SC Mixed 21.5
61% 21.5 GB/s
Latency 69.4
58% 69.4 ns
2 of 8 slots used
32GB DIMM DDR4 2133 MHz clocked @ 1067 MHz
MC Read 13.8
MC Write 13.5
MC Mixed 12.4
38% 13.2 GB/s
SC Read 15.2
SC Write 15.3
SC Mixed 15.4
44% 15.3 GB/s
Latency 84.3
47% 84.3 ns
194 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 15,165,835 RAM Kits tested.

Typical CMR32GX4M2A2666C16 2x16GB Builds (Compare 21,228 builds) See popular component choices, score breakdowns and rankings.
Gaming 128%
Desktop 123%
Workstation 114%

Motherboard: Asus ROG STRIX Z370-E GAMING - $190

EDIT WITH CUSTOM PC BUILDER Value: 100% - Outstanding Total price: $1,478

Popular CMR32GX4M2A2666C16 2x16GB 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.

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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.
  • - 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.
  • - Share your opinion by voting.
Memory Kit Rankings (Price vs Performance) March 2019 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]


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.


105 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.
Intel Core i7-8700K $380Nvidia GTX 1070 $330Samsung 850 Evo 250GB $104
AMD Ryzen 5 1600 $120Nvidia GTX 1060-6GB $230Samsung 850 Evo 500GB $105
Intel Core i5-8600K $260Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $88
Seagate Barracuda 1TB (2016) $43Corsair Vengeance LPX DDR4 3000 C15 2x8GB $105SanDisk Extreme 64GB $43
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $716SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $120SanDisk Ultra Fit 32GB $12
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