HyperXHX421C14FB(|2)K2/16
CorsairCMK16GX4M2B3000C15(|B|R|W)

Release date: Q1 2015.

Release date: Q4 2014.

Real World Speed
Performance profile from 116,771 user samples
20,420 User Benchmarks
Best Bench: 86% @ 3200 MHz
Worst Bench: 42% @ 1867 MHz
Poor: 42% Great: 86%
SPEED RANK: 67th / 105
96,351 User Benchmarks
Best Bench: 104% @ 1633 MHz
Worst Bench: 56% @ 3000 MHz
Poor: 56% Great: 104%
SPEED RANK: 34th / 105
Effective Speed
Effective RAM Speed
73.3 % 85.9 % Faster effective speed.
+17%
MC Read
Avg. 16 Core Read Bench
26.6 GB/s 33.4 GB/s Faster multi-core read.
+26%
MC Write
Avg. 16 Core Write Bench
27.7 GB/s 32.3 GB/s Faster multi-core write.
+17%
MC Mixed
Avg. 16 Core Mixed IO Bench
23.6 GB/s 26.5 GB/s Slightly faster multi-core mixed.
+12%
MC Read
16 Core Read Bench
32.4 GB/s 41.7 GB/s Faster multi-core read.
+29%
MC Write
16 Core Write Bench
33.1 GB/s 39.6 GB/s Faster multi-core write.
+20%
MC Mixed
16 Core Mixed IO Bench
27.8 GB/s 34.1 GB/s Faster multi-core mixed.
+23%
Market Share
Based on 10,987,064 RAM Kits tested.
Market Share
Market Share (trailing 30 days)
0.22 % 1.81 % Hugely higher market share.
+723%
Value
Value For Money
64.9 % 93.2 % Much better value.
+44%
User Rating
UBM User Rating
63 % 74 % More popular.
+17%
Price
Price (score)
$186 $140 Cheaper.
+25%
Age
Newest
44 Months Slightly more recent.
+8%
48 Months
SC Read
Avg. 1 Core Read Bench
16.3 GB/s 19.9 GB/s Faster single-core read.
+22%
SC Write
Avg. 1 Core Write Bench
26.8 GB/s 31.1 GB/s Faster single-core write.
+16%
SC Mixed
Avg. 1 Core Mixed IO Bench
21.9 GB/s 25.1 GB/s Slightly faster single-core mixed.
+15%
SC Read
1 Core Read Bench
20.3 GB/s 25.4 GB/s Faster single-core read.
+25%
SC Write
1 Core Write Bench
32.3 GB/s 40.2 GB/s Faster single-core write.
+24%
SC Mixed
1 Core Mixed IO Bench
26.5 GB/s 30.9 GB/s Faster single-core mixed.
+17%
Latency
Avg. Physical RAM Latency
69.8 ns 68.3 ns +2%
Latency
Physical RAM Latency
59.7 ns 49.8 ns Lower access latency.
+17%
Capacity
Capacity
16GB 16GB
Memory Kit Rankings (Price vs Performance) October 2018 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 $370Nvidia GTX 1070 $350Samsung 850 Evo 250GB $100
AMD Ryzen 5 1600 $155Nvidia GTX 1060-6GB $249Samsung 850 Evo 500GB $98
Intel Core i7-7700K $355AMD RX 480 $280Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $140SanDisk Extreme 64GB $42
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $869SanDisk Extreme 32GB $30
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $157SanDisk Ultra Fit 32GB $12
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