TEST
YOUR RAM
ADD TO PC
BUILD

Kingston

ASU21D4U5S8MB-8 2x8GB

▲ 500 ▼

Release date ≈ Q4 2016.

VS

Average Bench: 68.7% (77th of 108)

Based on 452 user benchmarks.  Model: Kingston ASU21D4U5S8MB-8 2x8GB
Poor: 60%Average: 68.7% Great: 74%

Popular builds with this RAM

Above average average bench

The Kingston ASU21D4U5S8MB-8 2x8GB averaged 31.3% 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 26.6GB/s
Avg. 16 Core Read Bench 25.9GB/s

Very good consistency

The range of scores (95th - 5th percentile) for the Kingston ASU21D4U5S8MB-8 2x8GB is just 14.5%. 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 14.8GB/s
Avg. Physical RAM Latency 72.6ns
ADVERTISEMENT

Average Bench

(Based on 452 samples)
Rank 7768.7%
Min Avg Max
21.8 MC Read 25.9 28
22.2 MC Write 26.6 29.1
19.5 MC Mixed 21 22.2
70% 24.5 GB/s
Min Avg Max
10.3 SC Read 14.8 17.7
16.8 SC Write 23.9 28.7
14.2 SC Mixed 20.1 23.2
56% 19.6 GB/s
Min Avg Max
63 Latency 72.6 97.4
55.1% 72.6 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
73.2% Very good
MC Read 27
MC Write 28.6
MC Mixed 22.2
74% 25.9 GB/s
SC Read 16
SC Write 27.6
SC Mixed 22.4
63% 22 GB/s
Latency 69.7
57% 69.7 ns
2 of 2 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
68.5% Good
MC Read 25.5
MC Write 26.9
MC Mixed 21.1
70% 24.5 GB/s
SC Read 13.4
SC Write 22.6
SC Mixed 19.3
53% 18.4 GB/s
Latency 66.7
60% 66.7 ns
2 of 2 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
68.1% Good
MC Read 26.6
MC Write 27.3
MC Mixed 20.5
71% 24.8 GB/s
SC Read 13.2
SC Write 19.7
SC Mixed 18.3
49% 17.1 GB/s
Latency 72.6
55% 72.6 ns
2 of 2 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
50.3% Above average
MC Read 20.6
MC Write 19.2
MC Mixed 13.3
51% 17.7 GB/s
SC Read 10.1
SC Write 16.3
SC Mixed 14.3
39% 13.6 GB/s
Latency 76.3
52% 76.3 ns
452 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 17,062,849 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 3,531 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 64%
Destroyer
Desktop
Desktop 59%
Gunboat
Workstation
Workstation 39%
Jet ski

System: Asus G11CD

CPU
Core i5-6400Intel  $182Bench 64%, 77,798 samples2,373x
Core i7-6700Intel  $278Bench 76%, 110,805 samples1,099x
Core i7-6700KIntel  $278Bench 87%, 307,048 samples30x
GPU
GTX 1060-6GBNvidia  $230Bench 70%, 620,088 samples871x
GTX 970Nvidia  $374Bench 63%, 465,724 samples742x
GTX 950Nvidia  $170Bench 33%, 59,710 samples400x
SSD
SD8SB8U512G1002 512GBSandiskBench 79%, 719 samples378x
SD8SBAT128G1002 128GBSandiskBench 57%, 1,071 samples162x
HFS256G32MND-2200A 256GBBench 71%, 1,679 samples141x
RAM
ASU21D4U5S8MB-8 2x8GBKingstonBench 69%, 452 samples279x
EDIT WITH CUSTOM PC BUILDER Value: 87% - Excellent Total price: $412

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.

UserBenchmark of the month

Gaming Desktop Workstation

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.
  • - 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.
  • - Compare your in-game FPS to other users with your hardware.
  • - Share your opinion by voting.
Memory Kit Rankings (Price vs Performance) June 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]

ADVERTISEMENT

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.

 Comments

Added n/a ago.
Your
opinion?
▲Like ▼Dislike
Over the hill
Age: 2 years

Speed Comparisons

vs Corsair Vengeance LPX DDR4 3000 C15 2x8GB
vs G.SKILL Trident Z DDR4 3200 C14 4x16GB
vs Corsair Vengeance LPX DDR4 3200 C16 2x8GB
vs G.SKILL Trident Z DDR4 3200 C16 2x8GB
vs Corsair Vengeance LPX DDR4 2133 C13 2x8GB
vs G.SKILL Ripjaws 4 DDR4 2400 C14 8x16GB
vs Corsair Vengeance LPX DDR4 2666 C16 2x8GB
vs Corsair Dominator DDR4 3000 C15 4x16GB
vs HyperX Fury DDR4 2133 C14 2x8GB

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

Computer Components FAQ
What is the UBM value for money rating?
What is UBM Effective Speed?
Thunderbolt speed?
Are USB 3.0 cables different?
USB 3.0 vs 2.0 speed difference?
Why buy USB 3.0 today?
USB 3.0 / 4.0 release dates and max speeds?
Graphics Cards
How to force Optimus or Switchable discrete GPUs?
What are the UBM DX11 GPU tests?
What are the UBM DX10 GPU tests?
What are the UBM DX09 GPU tests?
What is the Splatting GPU benchmark?
What is the Gravity (NBody) GPU benchmark?
Memory Kits
What is the RAM value for money rating?
What is the effective RAM speed index?
What is the system memory latency ladder?
ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i7-8700K $365Nvidia GTX 1070 $390Samsung 850 Evo 250GB $87
AMD Ryzen 5 2600 $139Nvidia GTX 1060-6GB $230Samsung 850 Evo 500GB $100
AMD Ryzen 7 2700X $280Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $97
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $75SanDisk Extreme 64GB $128
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $639SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $80SanDisk Ultra Fit 32GB $12
Today's hottest
Amazon Ebay Newegg
deals
CPU GPU SSD HDD USB RAM MBD
Test your PC Build a PC
Can You Run It?
User Guide  •  About  •  FAQs  •  Email  •  Privacy  •  Developer Feedback