Average Bench: 22.5% (113th of 113)

Based on 72 user benchmarks.  Model: Micron MT40A512M16TB-062E:J 1x4GB

Very poor average bench

The Micron MT40A512M16TB-062E:J 1x4GB averaged 77.5% 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 8.91GB/s
Avg. 16 Core Mixed IO Bench 8.58GB/s

Very good consistency

The range of scores (95th - 5th percentile) for the Micron MT40A512M16TB-062E:J 1x4GB is just 13%. This is a relatively narrow range which indicates that the Micron MT40A512M16TB-062E:J 1x4GB performs reasonably consistently under varying real world conditions.


Avg. 1 Core Read Bench 2.78GB/s
Avg. 1 Core Mixed IO Bench 3.71GB/s

Average Bench

(Based on 72 samples)
Min Avg Max
3.82 MC Read 7.97 9.4
5.5 MC Write 8.91 9.8
3.1 MC Mixed 8.58 10.4
24.3% 8.49 GB/s
Min Avg Max
0.89 SC Read 2.78 3.5
1.79 SC Write 4.35 5.13
0.56 SC Mixed 3.71 5.1
10.3% 3.62 GB/s
Min Avg Max
161 Latency 197 251
20.3% 197 ns
User Benchmarks Bench Multi core Single core Latency
The fastest RAM (mainstream) averages a speed of 100%
1 of 1 slots used
4GB SODIMM DDR4 clocked @ 2400 MHz
MC Read 8.9
MC Write 9.7
MC Mixed 10.4
28% 9.67 GB/s
SC Read 3.3
SC Write 4.8
SC Mixed 4.8
12% 4.3 GB/s
Latency 167
24% 167 ns
1 of 1 slots used
4GB SODIMM DDR4 clocked @ 2400 MHz
MC Read 8.8
MC Write 9.2
MC Mixed 9
26% 9 GB/s
SC Read 2.2
SC Write 4.8
SC Mixed 4.3
11% 3.77 GB/s
Latency 161
25% 161 ns
1 of 1 slots used
4GB SODIMM DDR4 clocked @ 2400 MHz
MC Read 8.6
MC Write 9.5
MC Mixed 8.3
25% 8.8 GB/s
SC Read 2.8
SC Write 4.2
SC Mixed 4.4
11% 3.8 GB/s
Latency 200
20% 200 ns
72 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 45,854,466 RAM Kits tested.

Typical MT40A512M16TB-062E:J 1x4GB Builds (Compare 229 builds) See popular component choices, score breakdowns and rankings.
Gaming 2%
Tree trunk
Desktop 36%
Jet ski
Workstation 2%
Tree trunk

System: HP ProBook x360 11 G5 EE


Popular MT40A512M16TB-062E:J 1x4GB 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.
  • - 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.
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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

The Best.
Intel Core i5-11600K $270Nvidia RTX 3060-Ti $400Crucial MX500 250GB $45
Intel Core i5-11400F $260Nvidia RTX 3070 $500Samsung 860 Evo 250GB $52
Intel Core i7-11700K $380Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $183
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $74SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $77SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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