Average Bench: 114% (1st of 113)

Based on 99 user benchmarks.  Model: Samsung M393A2K40BB1-CRC 8x16GB

Outstanding average bench

The Samsung M393A2K40BB1-CRC 8x16GB averaged 13.7% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung M393A2K40BB1-CRC 8x16GB near the top of the comparison list.


Avg. 16 Core Read Bench 52.2GB/s
Avg. 16 Core Write Bench 44.7GB/s

Average consistency

The range of scores (95th - 5th percentile) for the Samsung M393A2K40BB1-CRC 8x16GB is 47.4%. This is a relatively wide range which indicates that the Samsung M393A2K40BB1-CRC 8x16GB performs inconsistently under varying real world conditions.


Avg. 1 Core Read Bench 10.8GB/s
Avg. Physical RAM Latency 93.5ns

Average Bench

(Based on 99 samples)
Min Avg Max
31.2 MC Read 52.2 78.8
27.5 MC Write 44.7 54.2
31.7 MC Mixed 40.7 49.4
131% 45.9 GB/s
Min Avg Max
7.8 SC Read 10.8 14.3
9.4 SC Write 16.9 20.5
11.9 SC Mixed 16.3 20
42% 14.7 GB/s
Min Avg Max
66.5 Latency 93.5 157
42.8% 93.5 ns
User Benchmarks Bench Multi core Single core Latency
The fastest RAM (mainstream) averages a speed of 100%
8 of 16 slots used
128GB DIMM DDR4 clocked @ 2400 MHz
MC Read 53.6
MC Write 47.8
MC Mixed 39.9
135% 47.1 GB/s
SC Read 9.5
SC Write 16.7
SC Mixed 15.6
40% 13.9 GB/s
Latency 79.8
50% 79.8 ns
8 of 8 slots used
128GB DIMM DDR4 2400 MHz clocked @ 2133 MHz
MC Read 53
MC Write 39.7
MC Mixed 37.9
124% 43.5 GB/s
SC Read 11.6
SC Write 19.9
SC Mixed 16.6
46% 16 GB/s
Latency 78.5
51% 78.5 ns
8 of 16 slots used
128GB DIMM DDR4 clocked @ 2400 MHz
MC Read 46.2
MC Write 34.3
MC Mixed 36.4
111% 39 GB/s
SC Read 11
SC Write 19.9
SC Mixed 17.7
46% 16.2 GB/s
Latency 87.7
46% 87.7 ns
99 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 28,032,336 RAM Kits tested.

Typical M393A2K40BB1-CRC 8x16GB Builds (Compare 1,565 builds) See popular component choices, score breakdowns and rankings.
Gaming 38%
Jet ski
Desktop 89%
Aircraft carrier
Workstation 107%

System: HP Z840 Workstation


Popular M393A2K40BB1-CRC 8x16GB 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.
  • - 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.
  • - Share your opinion by voting.
Memory Kit Rankings (Price vs Performance) May 2020 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 i5-9400F $165Nvidia GTX 1660S (Super) $230Crucial MX500 250GB $49
Intel Core i5-9600K $199Nvidia GTX 1650S (Super) $160Samsung 850 Evo 120GB $78
Intel Core i7-9700K $365Nvidia RTX 2070S (Super) $500Samsung 850 Pro 512GB $240
Seagate Barracuda 1TB (2016) $43Corsair Vengeance LPX DDR4 3200 C16 2x8GB $80SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $75SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $681SanDisk Ultra Fit 32GB $16
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