HyperXHX421C14FB(|2)K2/16
Crucial

Release date: Q1 2015.

VS
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Release date ≤ Q4 2015.

Real World Speed
Performance profile from 36,282 user samples
31,283 User Benchmarks
Best Bench: 90% @ 3200 MHz
Worst Bench: 41% @ 800 MHz
Poor: 41% Great: 90%
SPEED RANK: 70th / 108
4,999 User Benchmarks
Best Bench: 61% @ 1867 MHz
Worst Bench: 33% @ 1600 MHz
Poor: 33% Great: 61%
SPEED RANK: 85th / 108
Effective Speed
Effective RAM Speed
73 % Much faster effective speed.
+35%
54 %
MC Read
Avg. 16 Core Read Bench
26.6 GB/s Much faster multi-core read.
+35%
19.7 GB/s
MC Write
Avg. 16 Core Write Bench
27.3 GB/s Much faster multi-core write.
+39%
19.6 GB/s
MC Mixed
Avg. 16 Core Mixed IO Bench
23.7 GB/s Much faster multi-core mixed.
+44%
16.5 GB/s
MC Read
16 Core Read Bench
33.7 GB/s Much faster multi-core read.
+51%
22.3 GB/s
MC Write
16 Core Write Bench
34 GB/s Much faster multi-core write.
+47%
23.1 GB/s
MC Mixed
16 Core Mixed IO Bench
28.9 GB/s Much faster multi-core mixed.
+55%
18.7 GB/s
Market Share
Based on 18,966,462 RAM Kits tested.
Market Share
Market Share (trailing 30 days)
0.16 % Hugely higher market share.
+300%
0.04 %
User Rating
UBM User Rating
64 % More popular.
+28%
50 %
Age
Newest
54 Months 44+ Months More recent.
+19%
SC Read
Avg. 1 Core Read Bench
16.5 GB/s Faster single-core read.
+19%
13.9 GB/s
SC Write
Avg. 1 Core Write Bench
26.6 GB/s Much faster single-core write.
+52%
17.5 GB/s
SC Mixed
Avg. 1 Core Mixed IO Bench
22.2 GB/s Much faster single-core mixed.
+32%
16.8 GB/s
SC Read
1 Core Read Bench
21 GB/s Faster single-core read.
+23%
17.1 GB/s
SC Write
1 Core Write Bench
34.6 GB/s Much faster single-core write.
+52%
22.7 GB/s
SC Mixed
1 Core Mixed IO Bench
27.8 GB/s Much faster single-core mixed.
+36%
20.5 GB/s
Latency
Avg. Physical RAM Latency
70.9 ns +1% 71.4 ns
Latency
Physical RAM Latency
58.4 ns Slightly lower access latency.
+6%
61.8 ns
Capacity
Capacity
16GB 16GB
Memory Kit Rankings (Price vs Performance) August 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]

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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.
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

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.

 Frequently Asked Questions

 Best User Rated

The Best.
CPUGPUSSD
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Intel Core i5-9600K $219Nvidia GTX 1660-Ti $270Samsung 850 Evo 500GB $102
AMD Ryzen 5 3600 $196AMD RX 580 $167Samsung 850 Pro 256GB $97
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $75SanDisk Extreme 64GB $88
WD Blue 1TB (2012) $42G.SKILL Trident Z DDR4 3200 C14 4x16GB $799SanDisk Extreme 32GB $48
Seagate Barracuda 3TB (2016) $75Corsair Vengeance LPX DDR4 3200 C16 2x8GB $80SanDisk Extreme 16GB $24
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