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Kingston

ASU21D4U5S8MB-8 2x8GB

▲ 500 ▼

Release date ≈ Q4 2016.

Average Bench: 67.4% (83rd of 113)

Based on 1,024 user benchmarks.  Model: Kingston ASU21D4U5S8MB-8 2x8GB
Poor: 56%Average: 67.4% Great: 74%

Popular builds with this RAM

Above average average bench

The Kingston ASU21D4U5S8MB-8 2x8GB averaged 32.5% 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.

Strengths

Avg. 16 Core Write Bench 25.7GB/s
Avg. 16 Core Read Bench 25.6GB/s

Very good consistency

The range of scores (95th - 5th percentile) for the Kingston ASU21D4U5S8MB-8 2x8GB is just 17.7%. This is a relatively narrow range which indicates that the Kingston ASU21D4U5S8MB-8 2x8GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. 1 Core Read Bench 14.7GB/s
Avg. Physical RAM Latency 74.2ns
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Average Bench

(Based on 1,024 samples)
Rank 8367.4%
Min Avg Max
20.6 MC Read 25.6 28.5
19.1 MC Write 25.7 28.7
18.5 MC Mixed 20.8 24.7
68.7% 24 GB/s
Min Avg Max
10.3 SC Read 14.7 18.3
15.6 SC Write 23.1 28.3
14.1 SC Mixed 19.9 23.2
55% 19.2 GB/s
Min Avg Max
63.5 Latency 74.2 98.9
53.9% 74.2 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 @ 2133 MHz
72.9% Very good
MC Read 29.5
MC Write 26.5
MC Mixed 21.1
73% 25.7 GB/s
SC Read 21.4
SC Write 27.7
SC Mixed 22.3
68% 23.8 GB/s
Latency 81.8
49% 81.8 ns
2 of 2 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
71.9% Very good
MC Read 27.6
MC Write 27.7
MC Mixed 21.1
73% 25.5 GB/s
SC Read 15.6
SC Write 27.5
SC Mixed 21.9
62% 21.7 GB/s
Latency 71.9
56% 71.9 ns
2 of 2 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
68.5% Good
MC Read 26.5
MC Write 26
MC Mixed 20.4
69% 24.3 GB/s
SC Read 14.9
SC Write 25.1
SC Mixed 20.2
57% 20.1 GB/s
Latency 71.4
56% 71.4 ns
2 of 4 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
67.2% Good
MC Read 26
MC Write 25.2
MC Mixed 19.3
67% 23.5 GB/s
SC Read 15.7
SC Write 26.1
SC Mixed 20.3
59% 20.7 GB/s
Latency 67.7
59% 67.7 ns
2 of 2 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
64.6% Good
MC Read 25.3
MC Write 23
MC Mixed 19.8
65% 22.7 GB/s
SC Read 16.4
SC Write 20.9
SC Mixed 19.7
54% 19 GB/s
Latency 68.1
59% 68.1 ns
2 of 2 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
64.1% Good
MC Read 25
MC Write 24.4
MC Mixed 19.8
66% 23.1 GB/s
SC Read 11.9
SC Write 20.5
SC Mixed 16.8
47% 16.4 GB/s
Latency 69
58% 69 ns
2 of 2 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
57.6% Above average
MC Read 21.9
MC Write 24.3
MC Mixed 19.8
63% 22 GB/s
SC Read 11.7
SC Write 17.9
SC Mixed 16.3
44% 15.3 GB/s
Latency 377
11% 377 ns
2 of 2 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
49.6% Average
MC Read 18.6
MC Write 17.8
MC Mixed 15.7
50% 17.4 GB/s
SC Read 11.1
SC Write 15.4
SC Mixed 15.7
40% 14.1 GB/s
Latency 78.7
51% 78.7 ns
1,024 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 44,280,424 RAM Kits tested.

Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money.

CHOOSE A COMPONENT:

CPU GPU SSD HDD RAM MBD
Typical ASU21D4U5S8MB-8 2x8GB Builds (Compare 3,298 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 40%
Jet ski
Desktop
Desktop 77%
Battleship
Workstation
Workstation 31%
Sail boat

System: Asus G11CD

CPU
Core i5-6400Intel  $180Bench 69%, 141,256 samples2,119x
Core i7-6700Intel  $350Bench 75%, 248,564 samples1,085x
Core i7-6700KIntel  $310Bench 83%, 522,607 samples63x
GPU
GTX 970Nvidia  $340Bench 50%, 678,188 samples668x
GTX 1060-6GBNvidia  $290Bench 57%, 1,217,004 samples662x
GTX 950Nvidia  $170Bench 26%, 100,232 samples327x
SSD
SD8SB8U512G1002 512GBSandiskBench 79%, 2,016 samples298x
SD8SBAT128G1002 128GBSandiskBench 58%, 2,873 samples113x
860 Evo 500GBSamsung  $75Bench 106%, 679,494 samples109x
RAM
ASU21D4U5S8MB-8 2x8GBKingstonBench 67%, 1,024 samples216x
EDIT WITH CUSTOM PC BUILDER Value: 50% - Average Total price: $520

Popular ASU21D4U5S8MB-8 2x8GB systems:

How Fast Is Your RAM? (Bench your build) Size up your PC in less than a minute.

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) July 2021 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]

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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.

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Speed Comparisons

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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

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 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-11400F $239Nvidia RTX 3060-Ti $400Crucial MX500 250GB $45
Intel Core i5-11600K $270Nvidia RTX 3070 $500Samsung 860 Evo 250GB $52
Intel Core i7-10700K $304Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $78
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $29Corsair Vengeance LPX DDR4 3000 C15 2x8GB $85SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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