Average Bench: 48% (99th of 113)

Based on 527 user benchmarks.  Model: Kingston KHX1866C9D3/8 2x8GB

Below average average bench

The Kingston HyperX DDR3 1866 C9 2x8GB averaged 52.0% 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 20.1GB/s
Avg. Physical RAM Latency 71.6ns

Good consistency

The range of scores (95th - 5th percentile) for the Kingston HyperX DDR3 1866 C9 2x8GB is 28.1%. This is a relatively narrow range which indicates that the Kingston HyperX DDR3 1866 C9 2x8GB performs reasonably consistently under varying real world conditions.


Avg. 1 Core Write Bench 8.7GB/s
Avg. 1 Core Read Bench 10.5GB/s

Average Bench

(Based on 527 samples)
Min Avg Max
10.9 MC Read 20.1 25.2
8.27 MC Write 14.3 18.9
9.2 MC Mixed 17.1 21.3
49% 17.2 GB/s
Min Avg Max
7.34 SC Read 10.5 15.3
6.63 SC Write 8.7 13.5
8.61 SC Mixed 12.3 14.5
30% 10.5 GB/s
Min Avg Max
58.3 Latency 71.6 102
55.9% 71.6 ns
User Benchmarks Bench Multi core Single core Latency
The fastest RAM (mainstream) averages a speed of 100%
2 of 4 slots used
16GB DIMM DDR3 clocked @ 800 MHz
MC Read 25.2
MC Write 17.2
MC Mixed 20.5
60% 21 GB/s
SC Read 11.3
SC Write 9.1
SC Mixed 14
33% 11.5 GB/s
Latency 62.5
64% 62.5 ns
2 of 4 slots used
16GB DIMM DDR3 clocked @ 800 MHz
MC Read 20.5
MC Write 15.4
MC Mixed 17.6
51% 17.8 GB/s
SC Read 11.2
SC Write 9.4
SC Mixed 14.3
33% 11.6 GB/s
Latency 75.2
53% 75.2 ns
2 of 4 slots used
16GB DIMM DDR3 clocked @ 1600 MHz
MC Read 15.3
MC Write 8.2
MC Mixed 14.4
36% 12.6 GB/s
SC Read 7.7
SC Write 7.2
SC Mixed 10.4
24% 8.43 GB/s
Latency 125
32% 125 ns
2 of 4 slots used
16GB DIMM DDR3 clocked @ 800 MHz
MC Read 10
MC Write 9.8
MC Mixed 8.8
27% 9.53 GB/s
SC Read 9.5
SC Write 8.4
SC Mixed 8.3
25% 8.73 GB/s
Latency 87.5
46% 87.5 ns
527 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 30,732,261 RAM Kits tested.

Typical HyperX DDR3 1866 C9 2x8GB Builds (Compare 34,152 builds) See popular component choices, score breakdowns and rankings.
Gaming 34%
Sail boat
Desktop 56%
Workstation 45%
Speed boat

Motherboard: Gigabyte GA-970A-DS3P - $92

EDIT WITH CUSTOM PC BUILDER Value: 52% - Above average Total price: $447

Popular HyperX DDR3 1866 C9 2x8GB compatible motherboards:

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  • - CPU tests include: integer, floating and string.
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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.
Intel Core i5-9600K $195Nvidia GTX 1660S (Super) $230Crucial MX500 250GB $45
Intel Core i5-9400F $156Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i7-9700K $335Nvidia RTX 2070S (Super) $510Samsung 860 Evo 250GB $48
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $69SanDisk Extreme 64GB $72
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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