Average Bench: 107% (4th of 105)

Based on 13 user benchmarks.  Model: Corsair Dominator CMD16GX3M2A21 4x8GB

Outstanding average bench

The Corsair Dominator DDR3 4x8GB averaged 6.7% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Corsair Dominator DDR3 4x8GB near the top of the comparison list.


Avg. 16 Core Read Bench 43.4GB/s
Avg. 16 Core Write Bench 41.9GB/s

Good consistency

The range of scores (95th - 5th percentile) for the Corsair Dominator DDR3 4x8GB is 28.3%. This is a relatively narrow range which indicates that the Corsair Dominator DDR3 4x8GB performs reasonably consistently under varying real world conditions.


Avg. 1 Core Mixed IO Bench 13.5GB/s
Avg. 1 Core Write Bench 13.5GB/s

Average Bench

(Based on 13 samples)
Min Avg Max
16.6 MC Read 43.4 51.1
15.3 MC Write 41.9 48.9
15.1 MC Mixed 41 48.7
120% 42.1 GB/s
Min Avg Max
9.9 SC Read 16.3 19.7
9.3 SC Write 13.5 16.7
11 SC Mixed 13.5 15.8
41.3% 14.4 GB/s
Min Avg Max
51.5 Latency 59.3 72.3
67.4% 59.3 ns
User Benchmarks Bench Multi core Single core Latency
The fastest RAM (mainstream) averages a speed of 100%
4 of 8 slots used
32GB DIMM DDR3 clocked @ 2133 MHz
MC Read 50.4
MC Write 48.2
MC Mixed 47.1
139% 48.6 GB/s
SC Read 20.1
SC Write 16.4
SC Mixed 15.3
49% 17.3 GB/s
Latency 56
71% 56 ns
4 of 8 slots used
32GB DIMM DDR3 clocked @ 2133 MHz
MC Read 48.4
MC Write 47.6
MC Mixed 46.4
136% 47.5 GB/s
SC Read 16.4
SC Write 14
SC Mixed 13.1
41% 14.5 GB/s
Latency 54.2
74% 54.2 ns
4 of 8 slots used
32GB DIMM DDR3 clocked @ 1600 MHz
MC Read 40.6
MC Write 37.8
MC Mixed 37.3
110% 38.6 GB/s
SC Read 17.2
SC Write 16.5
SC Mixed 15.2
46% 16.3 GB/s
Latency 63.6
63% 63.6 ns
13 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 9,246,289 RAM Kits tested.

Typical Dominator DDR3 4x8GB Builds (Compare 95 builds) See popular component choices, score breakdowns and rankings.
Gaming 90%
Nuclear submarine
Desktop 78%
Workstation 73%

Motherboard: Asrock X79 Extreme11

EDIT WITH CUSTOM PC BUILDER Value: 68% - Good Total price: $1,150

Popular Dominator DDR3 4x8GB 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.
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  • - See speed test results from other users.
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Memory Kit Rankings (Price vs Performance) July 2018 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 $320Nvidia GTX 1070 $413Samsung 850 Evo 250GB $100
AMD Ryzen 5 1600 $150Nvidia GTX 1060-6GB $289Samsung 850 Evo 500GB $120
Intel Core i7-7700K $300AMD RX 480 $280Samsung 850 Pro 256GB $125
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $176SanDisk Extreme 64GB $44
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $945SanDisk Extreme 32GB $46
Seagate Barracuda 2TB (2016) $58HyperX Fury DDR4 2133 C14 2x8GB $219SanDisk Ultra Fit 32GB $12
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