Average Bench: 50% (98th of 115)

Based on 2,689 user benchmarks.  Model: Hynix HMT451U6AFR8A-PB 2x4GB

Below average average bench

The Hynix HMT451U6AFR8A-PB 2x4GB averaged 50.0% 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 Read Bench 18.7GB/s
Avg. 16 Core Write Bench 18GB/s

Good consistency

The range of scores (95th - 5th percentile) for the Hynix HMT451U6AFR8A-PB 2x4GB is 28.4%. This is a relatively narrow range which indicates that the Hynix HMT451U6AFR8A-PB 2x4GB performs reasonably consistently under varying real world conditions.


Avg. 1 Core Read Bench 13.3GB/s
Avg. 1 Core Mixed IO Bench 14.9GB/s

Average Bench

(Based on 2,689 samples)
Min Avg Max
11.5 MC Read 18.7 21.7
7.5 MC Write 18 21.4
9.62 MC Mixed 15.5 17.9
49.7% 17.4 GB/s
Min Avg Max
6.71 SC Read 13.3 16.8
6.4 SC Write 15.3 20.1
7.3 SC Mixed 14.9 19.2
41.4% 14.5 GB/s
Min Avg Max
64.9 Latency 81.6 119
49% 81.6 ns
User Benchmarks Bench Multi core Single core Latency
The fastest RAM (mainstream) averages a speed of 100%
2 of 4 slots used
8GB DIMM DDR3 clocked @ 1600 MHz
MC Read 18.2
MC Write 17.3
MC Mixed 14.8
48% 16.8 GB/s
SC Read 12.5
SC Write 15.1
SC Mixed 14.9
40% 14.2 GB/s
Latency 69.2
58% 69.2 ns
2 of 4 slots used
8GB DIMM DDR3 clocked @ 1600 MHz
MC Read 18.2
MC Write 17.6
MC Mixed 14.5
48% 16.8 GB/s
SC Read 11.7
SC Write 13.4
SC Mixed 14
37% 13 GB/s
Latency 88.8
45% 88.8 ns
2 of 4 slots used
8GB DIMM DDR3 clocked @ 1600 MHz
MC Read 17.4
MC Write 17.2
MC Mixed 14.5
47% 16.4 GB/s
SC Read 12.3
SC Write 16.6
SC Mixed 13.3
40% 14.1 GB/s
Latency 80.6
50% 80.6 ns
2 of 4 slots used
8GB DIMM DDR3 clocked @ 1333 MHz
MC Read 15.3
MC Write 16.6
MC Mixed 13.9
44% 15.3 GB/s
SC Read 11.9
SC Write 13.2
SC Mixed 12
35% 12.4 GB/s
Latency 71.7
56% 71.7 ns
2,689 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 61,254,863 RAM Kits tested.

Typical HMT451U6AFR8A-PB 2x4GB Builds (Compare 3,283 builds) See popular component choices, score breakdowns and rankings.
Gaming 10%
Tree trunk
Desktop 69%
Battle cruiser
Workstation 9%
Tree trunk

System: Razer Blade


Popular HMT451U6AFR8A-PB 2x4GB 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) June 2023 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.


115 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

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Seagate Barracuda 2TB (2016) $67G.SKILL Trident Z DDR4 3200 C14 4x16GB $381SanDisk Ultra Fit 32GB $16
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