Average Bench: 78.9% (58th of 113)

Based on 2 user benchmarks.  Model: Corsair CM4X8GF2400Z16K4 CMR16GX4M2A2666C16 CM4X8GF2400Z16K4 CMR16GX4M2A2666C16 32GB
Poor: 79%Average: 78.9% Great: 79%

Popular builds with this RAM

Good average bench

The Corsair CM4X8GF2400Z16K4 CMR16GX4M2A2666C16 CM4X8GF2400Z16K4 CMR16GX4M2A2666C16 32GB averaged 21.1% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Corsair CM4X8GF2400Z16K4 CMR16GX4M2A2666C16 CM4X8GF2400Z16K4 CMR16GX4M2A2666C16 32GB near the top of the comparison list.


Avg. 1 Core Write Bench 33GB/s
Avg. 16 Core Write Bench 30.6GB/s

Unknown consistency

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


Avg. 1 Core Read Bench 16.4GB/s
Avg. Physical RAM Latency 66.6ns

Average Bench

(Based on 2 samples)
Min Avg Max
29.8 MC Read 29.8 29.9
30.4 MC Write 30.6 30.9
22.9 MC Mixed 23.1 23.3
79.6% 27.9 GB/s
Min Avg Max
16.4 SC Read 16.4 16.4
32.9 SC Write 33 33.1
22.8 SC Mixed 23.4 24
69.4% 24.3 GB/s
Min Avg Max
63.7 Latency 66.6 69.5
60.1% 66.6 ns
User Benchmarks Bench Multi core Single core Latency
The fastest RAM (mainstream) averages a speed of 100%
2400, 2400, 2400, 2400 MHz
8192, 8192, 8192, 8192 MB
MC Read 29.8
MC Write 30.4
MC Mixed 23.3
80% 27.8 GB/s
SC Read 16.4
SC Write 32.9
SC Mixed 24
70% 24.4 GB/s
Latency 63.7
63% 63.7 ns
2400, 2400, 2400, 2400 MHz
8192, 8192, 8192, 8192 MB
MC Read 29.9
MC Write 30.9
MC Mixed 22.9
80% 27.9 GB/s
SC Read 16.4
SC Write 33.1
SC Mixed 22.8
69% 24.1 GB/s
Latency 69.5
58% 69.5 ns

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 47,575,692 RAM Kits tested.

EDIT WITH CUSTOM PC BUILDER Value: 82% - Excellent Total price: $413

Popular CM4X8GF2400Z16K4 CMR16GX4M2A2666C16 CM4X8GF2400Z16K4 CMR16GX4M2A2666C16 32GB systems:

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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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  • - CPU tests include: integer, floating and string.
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  • - 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.
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Memory Kit Rankings (Price vs Performance) November 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]


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.


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.
Intel Core i5-12600K $300Nvidia RTX 3070 $500Crucial MX500 250GB $45
Intel Core i5-11600K $220Nvidia RTX 3060-Ti $400Samsung 860 Evo 250GB $52
Intel Core i7-11700K $300Nvidia RTX 3080 $700Samsung 850 Evo 120GB $183
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $63SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $33Corsair Vengeance LPX DDR4 3000 C15 2x8GB $74SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $71G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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