Average Bench: 81.2% (52nd of 108)

Based on 2 user benchmarks.  Model: Kingston KHX2666C15S4/16G Hynix HMA81GS6AFR8N-UH Hynix HMA81GS6AFR8N-UH 32GB
Poor: 81%Average: 81.2% Great: 82%

Popular builds with this RAM

Very good average bench

The Kingston KHX2666C15S4/16G Hynix HMA81GS6AFR8N-UH Hynix HMA81GS6AFR8N-UH 32GB averaged just 18.7% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Kingston KHX2666C15S4/16G Hynix HMA81GS6AFR8N-UH Hynix HMA81GS6AFR8N-UH 32GB near the top of the comparison list.


Avg. 16 Core Read Bench 32.3GB/s
Avg. 1 Core Write Bench 31.5GB/s

Unknown consistency

There are too few samples to reasonably determine how consistently this RAM perfroms. This result should be interpreted with caution.


Avg. Physical RAM Latency 84.1ns
Avg. 1 Core Read Bench 21.5GB/s

Average Bench

(Based on 2 samples)
Min Avg Max
31.3 MC Read 32.3 33.4
26.9 MC Write 27.5 28.1
26.7 MC Mixed 27.1 27.5
82.8% 29 GB/s
Min Avg Max
20.7 SC Read 21.5 22.2
31.2 SC Write 31.5 31.7
24.3 SC Mixed 25 25.6
74.2% 26 GB/s
Min Avg Max
82.7 Latency 84.1 85.6
47.5% 84.1 ns
User Benchmarks Bench Multi core Single core Latency
The fastest RAM (mainstream) averages a speed of 100%
2667, 2400, 2400 MHz
16384, 8192, 8192 MB
MC Read 33.4
MC Write 26.9
MC Mixed 27.5
84% 29.3 GB/s
SC Read 20.7
SC Write 31.7
SC Mixed 25.6
74% 26 GB/s
Latency 82.7
48% 82.7 ns
2667, 2400, 2400 MHz
16384, 8192, 8192 MB
MC Read 31.3
MC Write 28.1
MC Mixed 26.7
82% 28.7 GB/s
SC Read 22.2
SC Write 31.2
SC Mixed 24.3
74% 25.9 GB/s
Latency 85.6
47% 85.6 ns

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 21,944,107 RAM Kits tested.

EDIT WITH CUSTOM PC BUILDER Value: 84% - Excellent Total price: $163

Popular KHX2666C15S4/16G Hynix HMA81GS6AFR8N-UH Hynix HMA81GS6AFR8N-UH 32GB 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.
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  • - Share your opinion by voting.
Memory Kit Rankings (Price vs Performance) December 2019 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.


108 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.
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Intel Core i7-9700K $359Nvidia RTX 2060 $324Samsung 850 Pro 512GB $230
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WD Blue 1TB (2012) $38Corsair Vengeance LPX DDR4 3000 C15 2x8GB $63SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $613SanDisk Extreme 16GB $24
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