Average Bench: 90.9% (21st of 111)

Based on 756 user benchmarks.  Model: Samsung M378A5143DB0-CPB 4x4GB

Excellent average bench

The Samsung M378A5143DB0-CPB 4x4GB averaged just 9.1% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung M378A5143DB0-CPB 4x4GB near the top of the comparison list.


Avg. 16 Core Write Bench 36.6GB/s
Avg. 16 Core Read Bench 34.7GB/s

Good consistency

The range of scores (95th - 5th percentile) for the Samsung M378A5143DB0-CPB 4x4GB is 29.7%. This is a relatively narrow range which indicates that the Samsung M378A5143DB0-CPB 4x4GB performs reasonably consistently under varying real world conditions.


Avg. 1 Core Read Bench 14.9GB/s
Avg. Physical RAM Latency 69.2ns

Average Bench

(Based on 756 samples)
Min Avg Max
25.9 MC Read 34.7 39.7
27.7 MC Write 36.6 41
22.8 MC Mixed 31.7 36.4
98.1% 34.3 GB/s
Min Avg Max
12.3 SC Read 14.9 18.2
16.5 SC Write 22.1 30.4
16.9 SC Mixed 20.6 24.3
54.8% 19.2 GB/s
Min Avg Max
61.6 Latency 69.2 82
57.8% 69.2 ns
User Benchmarks Bench Multi core Single core Latency
The fastest RAM (mainstream) averages a speed of 100%
4 of 4 slots used
16GB DIMM DDR4 clocked @ 2666 MHz
MC Read 41.1
MC Write 42
MC Mixed 39
116% 40.7 GB/s
SC Read 16.5
SC Write 23.7
SC Mixed 23.2
60% 21.1 GB/s
Latency 56.9
70% 56.9 ns
4 of 4 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
MC Read 38.3
MC Write 41
MC Mixed 35.7
110% 38.3 GB/s
SC Read 14.4
SC Write 20.5
SC Mixed 20.2
52% 18.4 GB/s
Latency 65.3
61% 65.3 ns
4 of 4 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
MC Read 27.4
MC Write 29.3
MC Mixed 24.5
77% 27.1 GB/s
SC Read 17.1
SC Write 29.8
SC Mixed 22.4
66% 23.1 GB/s
Latency 68.8
58% 68.8 ns
756 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 25,365,177 RAM Kits tested.

Typical M378A5143DB0-CPB 4x4GB Builds (Compare 3,504 builds) See popular component choices, score breakdowns and rankings.
Gaming 90%
Aircraft carrier
Desktop 64%
Workstation 58%

System: Alienware Area-51 R2

EDIT WITH CUSTOM PC BUILDER Value: 55% - Above average Total price: $738

Popular M378A5143DB0-CPB 4x4GB 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) March 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.


111 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 $150Nvidia GTX 1660S (Super) $230Crucial MX500 250GB $49
Intel Core i5-9600K $210Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i7-9700K $370Nvidia RTX 2070S (Super) $505Samsung 850 Pro 512GB $249
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3000 C15 2x8GB $74SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $78SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $681SanDisk Ultra Fit 32GB $16
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