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Kingston

ASU21D4U5S8MB-8 2x8GB

▲ 500 ▼

Release date ≈ Q4 2016.

Average Bench: 68.2% (78th of 108)

Based on 541 user benchmarks.  Model: Kingston ASU21D4U5S8MB-8 2x8GB
Poor: 59%Average: 68.2% Great: 74%

Popular builds with this RAM

Above average average bench

The Kingston ASU21D4U5S8MB-8 2x8GB averaged 31.7% 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 26.3GB/s
Avg. 16 Core Read Bench 25.8GB/s

Very good consistency

The range of scores (95th - 5th percentile) for the Kingston ASU21D4U5S8MB-8 2x8GB is just 15.2%. 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 14.6GB/s
Avg. Physical RAM Latency 72.8ns
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Average Bench

(Based on 541 samples)
Rank 7868.2%
Min Avg Max
21.7 MC Read 25.8 28.1
21.9 MC Write 26.3 28.9
19.2 MC Mixed 20.9 22.2
69.5% 24.3 GB/s
Min Avg Max
10.1 SC Read 14.6 17.7
16.7 SC Write 23.6 28.1
14.3 SC Mixed 20.1 23.2
55.5% 19.4 GB/s
Min Avg Max
62.8 Latency 72.8 96.5
54.9% 72.8 ns
User Benchmarks Bench Multi core Single core Latency
The fastest RAM (mainstream) averages a speed of 100%
2 of 2 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
71.8% Very good
MC Read 27.5
MC Write 27.8
MC Mixed 20.7
72% 25.3 GB/s
SC Read 16
SC Write 26.3
SC Mixed 21.6
61% 21.3 GB/s
Latency 65.1
62% 65.1 ns
2 of 2 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
71% Very good
MC Read 26.2
MC Write 27.8
MC Mixed 21.5
72% 25.2 GB/s
SC Read 15.7
SC Write 26.3
SC Mixed 21.1
60% 21 GB/s
Latency 70.8
56% 70.8 ns
2 of 2 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
69% Good
MC Read 25.6
MC Write 26.7
MC Mixed 21.5
70% 24.6 GB/s
SC Read 14.3
SC Write 23.8
SC Mixed 20.5
56% 19.5 GB/s
Latency 69.8
57% 69.8 ns
2 of 2 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
67.3% Good
MC Read 26.3
MC Write 24.4
MC Mixed 20.2
68% 23.6 GB/s
SC Read 15.7
SC Write 23.6
SC Mixed 21.2
58% 20.2 GB/s
Latency 66.8
60% 66.8 ns
2 of 2 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
66.3% Good
MC Read 24.7
MC Write 27.1
MC Mixed 19.6
68% 23.8 GB/s
SC Read 9.8
SC Write 24.6
SC Mixed 19.2
51% 17.9 GB/s
Latency 72.2
55% 72.2 ns
2 of 2 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
66.2% Good
MC Read 25.8
MC Write 24.9
MC Mixed 20
67% 23.6 GB/s
SC Read 14.5
SC Write 21.6
SC Mixed 18.6
52% 18.2 GB/s
Latency 67.8
59% 67.8 ns
2 of 2 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
61.4% Good
MC Read 24.6
MC Write 22.4
MC Mixed 20
64% 22.3 GB/s
SC Read 11.1
SC Write 19
SC Mixed 16.1
44% 15.4 GB/s
Latency 79.8
50% 79.8 ns
2 of 2 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
61% Good
MC Read 23.2
MC Write 22.8
MC Mixed 19.5
62% 21.8 GB/s
SC Read 12.9
SC Write 21.1
SC Mixed 16
48% 16.7 GB/s
Latency 77.3
52% 77.3 ns
2 of 2 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
60.9% Good
MC Read 23.8
MC Write 22.5
MC Mixed 19.9
63% 22.1 GB/s
SC Read 8.6
SC Write 18.2
SC Mixed 18.6
43% 15.1 GB/s
Latency 75.2
53% 75.2 ns
541 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 23,324,925 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 4,719 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 53%
Yacht
Desktop
Desktop 57%
Gunboat
Workstation
Workstation 34%
Sail boat

System: Asus G11CD

CPU
Core i5-6400Intel  $179Bench 60%, 86,907 samples3,138x
Core i7-6700Intel  $299Bench 69%, 137,535 samples1,506x
Core i7-6700KIntel  $270Bench 80%, 367,183 samples39x
GPU
GTX 1060-6GBNvidia  $270Bench 57%, 752,023 samples1,102x
GTX 970Nvidia  $428Bench 52%, 527,770 samples973x
GTX 950Nvidia  $170Bench 27%, 75,410 samples542x
SSD
SD8SB8U512G1002 512GBSandiskBench 79%, 989 samples479x
SD8SBAT128G1002 128GBSandiskBench 58%, 1,552 samples205x
HFS128G32MND-2200A 128GBBench 62%, 1,027 samples177x
RAM
ASU21D4U5S8MB-8 2x8GBKingstonBench 68%, 541 samples353x
EDIT WITH CUSTOM PC BUILDER Value: 57% - Above average Total price: $449

Popular ASU21D4U5S8MB-8 2x8GB systems:

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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]

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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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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.

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 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-9600K $218Nvidia GTX 1660S (Super) $240Crucial MX500 250GB $42
Intel Core i5-9400F $155Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i7-9700K $384Nvidia RTX 2060 $340Samsung 850 Pro 512GB $204
HDDRAMUSB
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $73SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $42Corsair Vengeance LPX DDR4 3000 C15 2x8GB $63SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $653SanDisk Ultra Fit 32GB $16
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