Average Bench: 73.6% (71st of 113)

Based on 322 user benchmarks.  Model: Hynix HMT451U7AFR8C-RD 4x4GB

Good average bench

The Hynix HMT451U7AFR8C-RD 4x4GB averaged 26.3% 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 29.7GB/s
Avg. 16 Core Write Bench 28.2GB/s

Poor consistency

The range of scores (95th - 5th percentile) for the Hynix HMT451U7AFR8C-RD 4x4GB is 62.2%. This is a particularly wide range which indicates that the Hynix HMT451U7AFR8C-RD 4x4GB performs inconsistently under varying real world conditions.


Avg. 1 Core Mixed IO Bench 12.8GB/s
Avg. 1 Core Write Bench 13.4GB/s

Average Bench

(Based on 322 samples)
Min Avg Max
14.8 MC Read 29.7 43.8
12.6 MC Write 28.2 39
12 MC Mixed 25.9 37.9
79.8% 27.9 GB/s
Min Avg Max
8.7 SC Read 14 17.7
6.21 SC Write 13.4 20.3
7.82 SC Mixed 12.8 20.7
38.3% 13.4 GB/s
Min Avg Max
60 Latency 70.2 86.3
57% 70.2 ns
User Benchmarks Bench Multi core Single core Latency
The fastest RAM (mainstream) averages a speed of 100%
4 of 8 slots used
16GB DIMM DDR3 clocked @ 1866 MHz
MC Read 47
MC Write 37.2
MC Mixed 35.7
114% 40 GB/s
SC Read 18.3
SC Write 14.4
SC Mixed 13.8
44% 15.5 GB/s
Latency 68.6
58% 68.6 ns
4 of 4 slots used
16GB DIMM DDR3 clocked @ 1866 MHz
MC Read 24.4
MC Write 24.2
MC Mixed 18.8
64% 22.5 GB/s
SC Read 17.7
SC Write 21.4
SC Mixed 22.9
59% 20.7 GB/s
Latency 60.4
66% 60.4 ns
4 of 4 slots used
16GB DIMM DDR3 clocked @ 933 MHz
MC Read 20.5
MC Write 13.8
MC Mixed 16
48% 16.8 GB/s
SC Read 10.7
SC Write 9.3
SC Mixed 12.7
31% 10.9 GB/s
Latency 69.2
58% 69.2 ns
322 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 30,731,262 RAM Kits tested.

Typical HMT451U7AFR8C-RD 4x4GB Builds (Compare 10,763 builds) See popular component choices, score breakdowns and rankings.
Gaming 17%
Desktop 60%
Workstation 45%
Speed boat

System: HP Z420 Workstation

EDIT WITH CUSTOM PC BUILDER Value: 68% - Good Total price: $345

Popular HMT451U7AFR8C-RD 4x4GB systems:

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How it works

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  • - 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.
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Memory Kit Rankings (Price vs Performance) August 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.


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.
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Intel Core i7-9700K $335Nvidia RTX 2070S (Super) $510Samsung 860 Evo 250GB $48
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WD Blue 1TB (2012) $34Corsair Vengeance LPX DDR4 3000 C15 2x8GB $71SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $681SanDisk Extreme 16GB $24
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