Average Bench: 98% (8th of 113)

Based on 97 user benchmarks.  Model: Samsung M393A1K43BB1-CTD 8x8GB

Excellent average bench

The Samsung M393A1K43BB1-CTD 8x8GB averaged just 2.0% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung M393A1K43BB1-CTD 8x8GB near the top of the comparison list.


Avg. 16 Core Write Bench 45.8GB/s
Avg. 16 Core Read Bench 38.4GB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Samsung M393A1K43BB1-CTD 8x8GB is 80.7%. This is a particularly wide range which indicates that the Samsung M393A1K43BB1-CTD 8x8GB performs inconsistently under varying real world conditions.


Avg. 1 Core Read Bench 9.41GB/s
Avg. 1 Core Mixed IO Bench 11.1GB/s

Average Bench

(Based on 97 samples)
Min Avg Max
15.8 MC Read 38.4 71.7
16.9 MC Write 45.8 68.5
13.5 MC Mixed 34.7 59.7
113% 39.6 GB/s
Min Avg Max
5.25 SC Read 9.41 17.8
6.39 SC Write 15 22.5
6 SC Mixed 11.1 25.9
33.9% 11.8 GB/s
Min Avg Max
68.3 Latency 103 176
38.8% 103 ns
User Benchmarks Bench Multi core Single core Latency
The fastest RAM (mainstream) averages a speed of 100%
8 of 8 slots used
64GB DIMM DDR4 clocked @ 2667 MHz
MC Read 96.1
MC Write 77.8
MC Mixed 102
263% 92.1 GB/s
SC Read 17.8
SC Write 19.9
SC Mixed 30
64% 22.6 GB/s
Latency 122
33% 122 ns
8 of 8 slots used
64GB DIMM DDR4 clocked @ 2666 MHz
MC Read 26.6
MC Write 57.9
MC Mixed 29.7
109% 38.1 GB/s
SC Read 8
SC Write 21.4
SC Mixed 11.7
39% 13.7 GB/s
Latency 91.7
44% 91.7 ns
8 of 8 slots used
64GB DIMM DDR4 clocked @ 2666 MHz
MC Read 24.4
MC Write 59.4
MC Mixed 29.2
108% 37.7 GB/s
SC Read 9.1
SC Write 22
SC Mixed 11
40% 14 GB/s
Latency 95.3
42% 95.3 ns
8 of 24 slots used
64GB DIMM DDR4 2666 MHz clocked @ 2400 MHz
MC Read 18.4
MC Write 28.2
MC Mixed 16.9
60% 21.2 GB/s
SC Read 8.9
SC Write 16.6
SC Mixed 9
33% 11.5 GB/s
Latency 110
36% 110 ns
97 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 45,704,530 RAM Kits tested.

Typical M393A1K43BB1-CTD 8x8GB Builds (Compare 380 builds) See popular component choices, score breakdowns and rankings.
Gaming 48%
Desktop 73%
Workstation 51%

System: HP Z8 G4 Workstation


Popular M393A1K43BB1-CTD 8x8GB 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.

UserBenchmark of the month

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.
  • - Compare your in-game FPS to other users with your hardware.
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 850 Evo 120GB $183
Intel Core i7-11700K $346Nvidia GTX 1660S (Super) $240Samsung 860 Evo 250GB $52
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $78SanDisk 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
Today's hottest deals
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer  •  YouTube Feedback