Average Bench: 96.1% (11th of 108)

Based on 836 user benchmarks.  Model: Kingston KHX4000C19D4/8GX 2x8GB

Excellent average bench

The Kingston HyperX DDR4 4000 C19 2x8GB averaged just 3.8% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Kingston HyperX DDR4 4000 C19 2x8GB near the top of the comparison list.


Avg. 16 Core Read Bench 37.5GB/s
Avg. 1 Core Write Bench 35.7GB/s

Below average consistency

The range of scores (95th - 5th percentile) for the Kingston HyperX DDR4 4000 C19 2x8GB is 59.1%. This is a relatively wide range which indicates that the Kingston HyperX DDR4 4000 C19 2x8GB performs inconsistently under varying real world conditions.


Avg. 1 Core Read Bench 22.1GB/s
Avg. Physical RAM Latency 58.5ns

Average Bench

(Based on 836 samples)
Min Avg Max
24.2 MC Read 37.5 50
17.9 MC Write 35.2 49.5
18.3 MC Mixed 29.3 38.5
97.1% 34 GB/s
Min Avg Max
15 SC Read 22.1 28.1
17.8 SC Write 35.7 49.9
19 SC Mixed 30.9 38.5
84.5% 29.6 GB/s
Min Avg Max
41.2 Latency 58.5 88.3
68.4% 58.5 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 DDR4 clocked @ 3600 MHz
MC Read 39.4
MC Write 37.3
MC Mixed 29.4
101% 35.4 GB/s
SC Read 23
SC Write 37.2
SC Mixed 31.7
88% 30.6 GB/s
Latency 46.6
86% 46.6 ns
2 of 4 slots used
16GB DIMM DDR4 clocked @ 4000 MHz
MC Read 33.4
MC Write 28.3
MC Mixed 38.3
95% 33.3 GB/s
SC Read 26.5
SC Write 28
SC Mixed 38.7
89% 31.1 GB/s
Latency 73.1
55% 73.1 ns
2 of 4 slots used
16GB DIMM DDR4 clocked @ 2400 MHz
MC Read 29.7
MC Write 27.6
MC Mixed 20.9
74% 26.1 GB/s
SC Read 18.1
SC Write 29
SC Mixed 25.1
69% 24.1 GB/s
Latency 59.4
67% 59.4 ns
836 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 21,251,954 RAM Kits tested.

Typical HyperX DDR4 4000 C19 2x8GB Builds (Compare 9,405 builds) See popular component choices, score breakdowns and rankings.
Gaming 137%
Desktop 141%
Workstation 134%

Motherboard: Gigabyte Z390 AORUS MASTER - $250

EDIT WITH CUSTOM PC BUILDER Value: 53% - Above average Total price: $1,912

Popular HyperX DDR4 4000 C19 2x8GB compatible motherboards:

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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

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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.
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
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Memory Kit Rankings (Price vs Performance) November 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.
Intel Core i5-9400F $140Nvidia GTX 1660S (Super) $230Crucial MX500 250GB $45
Intel Core i5-9600K $195AMD RX 590 $185Samsung 850 Evo 120GB $150
Intel Core i7-9700K $340Nvidia RTX 2060 $325Samsung 860 Evo 250GB $51
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3000 C15 2x8GB $68SanDisk Extreme 64GB $88
WD Blue 1TB (2012) $34G.SKILL Trident Z DDR4 3200 C14 4x16GB $609SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85Corsair Vengeance LPX DDR4 3200 C16 2x8GB $68SanDisk Extreme 16GB $24
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