Average Bench: 51.5% (88th of 108)

Based on 1,403 user benchmarks.  Model: Hynix HMT451U6AFR8A-PB 2x4GB

Average average bench

The Hynix HMT451U6AFR8A-PB 2x4GB averaged 48.4% 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 19.2GB/s
Avg. Physical RAM Latency 73.6ns

Good consistency

The range of scores (95th - 5th percentile) for the Hynix HMT451U6AFR8A-PB 2x4GB is 25.5%. 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 13.2GB/s
Avg. 1 Core Mixed IO Bench 15.4GB/s

Average Bench

(Based on 1,403 samples)
Min Avg Max
14 MC Read 19.2 21.8
10.9 MC Write 18.7 21.2
10.8 MC Mixed 15.8 17.9
51.1% 17.9 GB/s
Min Avg Max
7.11 SC Read 13.2 16.4
7.11 SC Write 15.6 19.9
8.51 SC Mixed 15.4 19.8
42% 14.7 GB/s
Min Avg Max
62.9 Latency 73.6 97.7
54.3% 73.6 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 19.7
MC Write 19
MC Mixed 17
53% 18.6 GB/s
SC Read 14.7
SC Write 16.1
SC Mixed 16.6
45% 15.8 GB/s
Latency 71.3
56% 71.3 ns
2 of 2 slots used
8GB DIMM DDR3 clocked @ 1333 MHz
MC Read 17.5
MC Write 17.9
MC Mixed 15.1
48% 16.8 GB/s
SC Read 11.6
SC Write 14.9
SC Mixed 14.4
39% 13.6 GB/s
Latency 64.1
62% 64.1 ns
2 of 4 slots used
8GB DIMM DDR3 clocked @ 1600 MHz
MC Read 16.8
MC Write 18.1
MC Mixed 15.9
48% 16.9 GB/s
SC Read 11.8
SC Write 15.7
SC Mixed 14.1
40% 13.9 GB/s
Latency 73.1
55% 73.1 ns
2 of 4 slots used
8GB DIMM DDR3 clocked @ 1600 MHz
MC Read 9.1
MC Write 8.3
MC Mixed 8.4
25% 8.6 GB/s
SC Read 9.7
SC Write 7.9
SC Mixed 8
24% 8.53 GB/s
Latency 72.5
55% 72.5 ns
1,403 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 23,311,162 RAM Kits tested.

Typical HMT451U6AFR8A-PB 2x4GB Builds (Compare 3,629 builds) See popular component choices, score breakdowns and rankings.
Gaming 16%
Desktop 89%
Aircraft carrier
Workstation 53%

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.
  • - Reports are generated and presented on userbenchmark.com.
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
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Memory Kit Rankings (Price vs Performance) January 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.


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

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