Average Bench: 64.7% (87th of 115)

Based on 14 user benchmarks.  Model: Corsair CMU16GX4M2A2666C16 CMW16GX4M2C3200C16 CMU16GX4M2A2666C16 24GB
Poor: 54%Average: 64.7% Great: 71%

Popular builds with this RAM

Above average average bench

The Corsair CMU16GX4M2A2666C16 CMW16GX4M2C3200C16 CMU16GX4M2A2666C16 24GB averaged 35.3% 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.


Avg. 16 Core Write Bench 24.7GB/s
Avg. 1 Core Write Bench 24.6GB/s

Very good consistency

The range of scores (95th - 5th percentile) for the Corsair CMU16GX4M2A2666C16 CMW16GX4M2C3200C16 CMU16GX4M2A2666C16 24GB is just 17.3%. This is a relatively narrow range which indicates that the Corsair CMU16GX4M2A2666C16 CMW16GX4M2C3200C16 CMU16GX4M2A2666C16 24GB performs reasonably consistently under varying real world conditions.


Avg. 1 Core Read Bench 16.1GB/s
Avg. Physical RAM Latency 72.2ns

Average Bench

(Based on 14 samples)
Min Avg Max
14.9 MC Read 23.4 26.9
15.2 MC Write 24.7 28.3
12.3 MC Mixed 19.6 21.2
64.5% 22.6 GB/s
Min Avg Max
10.8 SC Read 16.1 18.8
16 SC Write 24.6 30.4
13.7 SC Mixed 19.7 23.2
57.5% 20.1 GB/s
Min Avg Max
61 Latency 72.2 108
55.4% 72.2 ns
User Benchmarks BenchMulti coreSingle coreLatency
The fastest RAM (mainstream) averages a speed of 100%
2667, 2667, 2667 MHz
8192, 8192, 8192 MB
MC Read 30.9
MC Write 32.7
MC Mixed 24.9
84% 29.5 GB/s
SC Read 19.2
SC Write 34.4
SC Mixed 24.3
74% 26 GB/s
Latency 63.5
63% 63.5 ns
2667, 2667, 2667 MHz
8192, 8192, 8192 MB
MC Read 24.5
MC Write 25
MC Mixed 20.9
67% 23.5 GB/s
SC Read 16.8
SC Write 26.9
SC Mixed 22.8
63% 22.2 GB/s
Latency 61
66% 61 ns
14 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 66,986,278 RAM Kits tested

Typical CMU16GX4M2A2666C16 CMW16GX4M2C3200C16 CMU16GX4M2A2666C16 24GB Builds (Compare 525 builds) See popular component choices, score breakdowns and rankings
Gaming 85%
Aircraft carrier
Desktop 89%
Aircraft carrier
Workstation 71%

Motherboard: Asus MAXIMUS VIII EXTREME - $185

EDIT WITH CUSTOM PC BUILDER Value: 40% - Average Total price: $1,390

Popular CMU16GX4M2A2666C16 CMW16GX4M2C3200C16 CMU16GX4M2A2666C16 24GB compatible motherboards:

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

Welcome to our 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 value for money 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) April 2024 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.


115 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 i5-13600K $273Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $132Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $186Nvidia RTX 4070 $409Samsung 860 Evo 250GB $52
Seagate Barracuda 1TB (2016) $34Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
If you make a purchase via one of these links, our site may earn a commission
Today's hottest deals
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer  •  YouTube Feedback