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Kingston

ASU21D4U5S8MB-8 2x8GB

▲ 500 ▼

Release date ≈ Q4 2016.

Average Bench: 68% (83rd of 113)

Based on 692 user benchmarks.  Model: Kingston ASU21D4U5S8MB-8 2x8GB
Poor: 58%Average: 68% Great: 74%

Popular builds with this RAM

Above average average bench

The Kingston ASU21D4U5S8MB-8 2x8GB averaged 32.0% 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.

Strengths

Avg. 16 Core Write Bench 26GB/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 15.3%. 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 692 samples)
Rank 8368%
Min Avg Max
21.6 MC Read 25.8 28.2
20.8 MC Write 26 28.7
18.9 MC Mixed 20.9 22.3
69.2% 24.2 GB/s
Min Avg Max
10.2 SC Read 14.6 17.7
16.7 SC Write 23.3 28
14.6 SC Mixed 20 23.2
55.1% 19.3 GB/s
Min Avg Max
62.9 Latency 72.8 92.4
55% 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
70.5% Very good
MC Read 26.8
MC Write 26.5
MC Mixed 20.2
70% 24.5 GB/s
SC Read 17
SC Write 26.1
SC Mixed 23.2
63% 22.1 GB/s
Latency 62.9
64% 62.9 ns
2 of 2 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
69.5% Good
MC Read 26.6
MC Write 26.9
MC Mixed 20.5
70% 24.7 GB/s
SC Read 15
SC Write 23.6
SC Mixed 20.4
56% 19.7 GB/s
Latency 65.3
61% 65.3 ns
2 of 2 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
67.3% Good
MC Read 24.5
MC Write 26
MC Mixed 21.4
68% 24 GB/s
SC Read 13.7
SC Write 25.4
SC Mixed 19.7
56% 19.6 GB/s
Latency 76
53% 76 ns
2 of 2 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
66.2% Good
MC Read 24.5
MC Write 26.7
MC Mixed 20.3
68% 23.8 GB/s
SC Read 14.3
SC Write 19.8
SC Mixed 18.2
50% 17.4 GB/s
Latency 72.1
56% 72.1 ns
2 of 2 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
65.5% Good
MC Read 23
MC Write 26.2
MC Mixed 21.3
67% 23.5 GB/s
SC Read 13.4
SC Write 23.9
SC Mixed 19.4
54% 18.9 GB/s
Latency 83.6
48% 83.6 ns
2 of 2 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
65.3% Good
MC Read 25.2
MC Write 25
MC Mixed 20.2
67% 23.5 GB/s
SC Read 15
SC Write 21.8
SC Mixed 18.4
53% 18.4 GB/s
Latency 82
49% 82 ns
2 of 2 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
63.2% Good
MC Read 24.9
MC Write 22.9
MC Mixed 19.9
64% 22.6 GB/s
SC Read 12.5
SC Write 18.5
SC Mixed 19.2
48% 16.7 GB/s
Latency 68.6
58% 68.6 ns
2 of 2 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
58.9% Above average
MC Read 22
MC Write 22.4
MC Mixed 19.5
61% 21.3 GB/s
SC Read 12.1
SC Write 18.5
SC Mixed 15
44% 15.2 GB/s
Latency 82.2
49% 82.2 ns
2 of 2 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
56.5% Above average
MC Read 20.4
MC Write 20.8
MC Mixed 18.2
57% 19.8 GB/s
SC Read 13.1
SC Write 18.9
SC Mixed 19.3
49% 17.1 GB/s
Latency 81.2
49% 81.2 ns
692 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 30,732,261 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 6,048 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 54%
Yacht
Desktop
Desktop 65%
Battle cruiser
Workstation
Workstation 48%
Yacht

System: Asus G11CD

CPU
Core i5-6400Intel  $179Bench 69%, 113,414 samples4,024x
Core i7-6700Intel  $290Bench 76%, 162,161 samples1,906x
Core i7-6700KIntel  $280Bench 85%, 428,731 samples70x
GPU
GTX 1060-6GBNvidia  $267Bench 57%, 853,453 samples1,379x
GTX 970Nvidia  $395Bench 52%, 578,890 samples1,239x
GTX 950Nvidia  $170Bench 27%, 78,800 samples665x
SSD
SD8SB8U512G1002 512GBSandiskBench 80%, 1,303 samples591x
SD8SBAT128G1002 128GBSandiskBench 58%, 2,116 samples253x
HFS256G32MND-2200A 256GBBench 69%, 2,151 samples220x
RAM
ASU21D4U5S8MB-8 2x8GBKingstonBench 68%, 692 samples434x
EDIT WITH CUSTOM PC BUILDER Value: 62% - Good Total price: $446

Popular ASU21D4U5S8MB-8 2x8GB systems:

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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]

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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.

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 Best User Rated
The Best.
CPUGPUSSD
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
HDDRAMUSB
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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