Average Bench: 56.9% (88th of 113)

Based on 3 user benchmarks.  Model: Micron 4ATF51264HZ-2G3AZ 859B CT8G4SFS824A.M8FD 12GB
Poor: 50%Average: 56.9% Great: 69%

Popular builds with this RAM

Average average bench

The Micron 4ATF51264HZ-2G3AZ 859B CT8G4SFS824A.M8FD 12GB averaged 43.1% 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 Read Bench 20.8GB/s
Avg. 1 Core Write Bench 20.7GB/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 14.4GB/s
Avg. 16 Core Mixed IO Bench 17.4GB/s

Average Bench

(Based on 3 samples)
Min Avg Max
18.2 MC Read 20.8 25.1
17.2 MC Write 20.6 25.5
15.3 MC Mixed 17.4 21.4
56% 19.6 GB/s
Min Avg Max
12.9 SC Read 14.4 17.1
16.7 SC Write 20.7 27
14.6 SC Mixed 17.9 23.5
50.5% 17.7 GB/s
Min Avg Max
66.9 Latency 69.5 72.3
57.5% 69.5 ns
User Benchmarks Bench Multi core Single core Latency
The fastest RAM (mainstream) averages a speed of 100%
2133, 2133 MHz
4096, 8192 MB
MC Read 25.1
MC Write 25.5
MC Mixed 21.4
69% 24 GB/s
SC Read 17.1
SC Write 27
SC Mixed 23.5
64% 22.5 GB/s
Latency 66.9
60% 66.9 ns
2133, 2133 MHz
4096, 8192 MB
MC Read 19.1
MC Write 19
MC Mixed 15.5
51% 17.9 GB/s
SC Read 12.9
SC Write 16.7
SC Mixed 15.6
43% 15.1 GB/s
Latency 72.3
55% 72.3 ns
2133, 2133 MHz
4096, 8192 MB
MC Read 18.2
MC Write 17.2
MC Mixed 15.3
48% 16.9 GB/s
SC Read 13.3
SC Write 18.4
SC Mixed 14.6
44% 15.4 GB/s
Latency 69.4
58% 69.4 ns

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 45,825,778 RAM Kits tested.


Popular 4ATF51264HZ-2G3AZ 859B CT8G4SFS824A.M8FD 12GB 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.
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  • - Compare your components to the current market leaders.
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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]


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

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