Average Bench: 61.1% (86th of 113)

Based on 2 user benchmarks.  Model: Micron 4ATF51264HZ-2G3AZ 1319 8ATF1G64HZ-2G3B2 8GB
Poor: 60%Average: 61.1% Great: 62%

Popular builds with this RAM

Above average average bench

The Micron 4ATF51264HZ-2G3AZ 1319 8ATF1G64HZ-2G3B2 8GB averaged 38.9% 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 24GB/s
Avg. 1 Core Write Bench 22.9GB/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 12.8GB/s
Avg. 1 Core Mixed IO Bench 18.4GB/s

Average Bench

(Based on 2 samples)
Min Avg Max
20.4 MC Read 20.9 21.4
23.7 MC Write 24 24.4
19.3 MC Mixed 19.6 20
61.5% 21.5 GB/s
Min Avg Max
12.7 SC Read 12.8 12.8
22.6 SC Write 22.9 23.2
17.6 SC Mixed 18.4 19.2
51.5% 18 GB/s
Min Avg Max
73.5 Latency 75.1 76.7
53.3% 75.1 ns
User Benchmarks Bench Multi core Single core Latency
The fastest RAM (mainstream) averages a speed of 100%
2133, 2133 MHz
4096, 4096 MB
MC Read 21.4
MC Write 24.4
MC Mixed 20
63% 21.9 GB/s
SC Read 12.8
SC Write 23.2
SC Mixed 19.2
53% 18.4 GB/s
Latency 73.5
54% 73.5 ns
2133, 2133 MHz
4096, 4096 MB
MC Read 20.4
MC Write 23.7
MC Mixed 19.3
60% 21.1 GB/s
SC Read 12.7
SC Write 22.6
SC Mixed 17.6
50% 17.6 GB/s
Latency 76.7
52% 76.7 ns

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 38,420,301 RAM Kits tested.

EDIT WITH CUSTOM PC BUILDER Value: 22% - Poor Total price: $28

Popular 4ATF51264HZ-2G3AZ 1319 8ATF1G64HZ-2G3B2 8GB 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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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.
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Memory Kit Rankings (Price vs Performance) January 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

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