Corsair
HyperXHX421C14FB(|2)K2/16
  

Release date ≈ Q3 2018.

Release date: Q1 2015.

Real World Speed
Performance profile from 32,391 user samples
18 User Benchmarks
Best Bench: 83% @ 1333 MHz
Worst Bench: 53% @ 1467 MHz
Poor: 53% Great: 83%
SPEED RANK: 69th / 108
32,373 User Benchmarks
Best Bench: 84% @ 3000 MHz
Worst Bench: 43% @ 933 MHz
Poor: 43% Great: 84%
SPEED RANK: 72nd / 108
Effective Speed
Effective RAM Speed
73 % +1% 72.5 %
MC Read
Avg. 16 Core Read Bench
29.3 GB/s Slightly faster multi-core read.
+11%
26.3 GB/s
MC Write
Avg. 16 Core Write Bench
25.5 GB/s 27.3 GB/s Slightly faster multi-core write.
+7%
MC Mixed
Avg. 16 Core Mixed IO Bench
24.7 GB/s Slightly faster multi-core mixed.
+5%
23.5 GB/s
MC Read
16 Core Read Bench
35.9 GB/s Faster multi-core read.
+17%
30.6 GB/s
MC Write
16 Core Write Bench
30.7 GB/s 31.1 GB/s +1%
MC Mixed
16 Core Mixed IO Bench
30.8 GB/s Slightly faster multi-core mixed.
+12%
27.6 GB/s
Market Share
Based on 17,848,478 RAM Kits tested.
Market Share
Market Share (trailing 30 days)
0 % 0.17 % Insanely higher market share.
+∞%
User Rating
UBM User Rating
50 % 64 % More popular.
+28%
Age
Newest
11+ Months Much more recent.
+79%
53 Months
SC Read
Avg. 1 Core Read Bench
18.3 GB/s Slightly faster single-core read.
+12%
16.3 GB/s
SC Write
Avg. 1 Core Write Bench
26.1 GB/s 26.4 GB/s +1%
SC Mixed
Avg. 1 Core Mixed IO Bench
21.2 GB/s 21.9 GB/s +3%
SC Read
1 Core Read Bench
20.9 GB/s +2% 20.5 GB/s
SC Write
1 Core Write Bench
33.1 GB/s +3% 32.2 GB/s
SC Mixed
1 Core Mixed IO Bench
25.3 GB/s 26.5 GB/s +5%
Latency
Avg. Physical RAM Latency
102 ns 70.5 ns Much lower access latency.
+31%
Latency
Physical RAM Latency
89.8 ns 60.2 ns Much lower access latency.
+33%
Capacity
Capacity
16GB 16GB
Memory Kit Rankings (Price vs Performance) July 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
Intel Core i7-8700K $350Nvidia GTX 1070 $400Samsung 850 Evo 250GB $104
AMD Ryzen 5 2600 $127Nvidia GTX 1060-6GB $250Samsung 850 Evo 500GB $103
AMD Ryzen 7 2700X $220Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $97
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $68SanDisk Extreme 64GB $45
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $606SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $42Corsair Vengeance LPX DDR4 3200 C16 2x8GB $78SanDisk Ultra Fit 32GB $12
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