HyperXHX426C15FBK2/16
$75
CorsairCMK16GX4M2A2666C16(|R)
Real World Speed
Performance profile from 20,905 user samples
8,298 User Benchmarks
Best Bench: 99% @ 3100 MHz
Worst Bench: 46% @ 800 MHz
Poor: 46% Great: 99%
SPEED RANK: 25th / 72
12,607 User Benchmarks
Best Bench: 96% @ 3200 MHz
Worst Bench: 49% @ 2133 MHz
Poor: 49% Great: 96%
SPEED RANK: 34th / 72
Effective Speed
Effective RAM Speed
83.4 % Slightly faster effective speed.
+7%
78.1 %
MC Read
Avg. 16 Core Read Bench
30.6 GB/s +3% 29.8 GB/s
MC Write
Avg. 16 Core Write Bench
31.7 GB/s Slightly faster multi-core write.
+8%
29.4 GB/s
MC Mixed
Avg. 16 Core Mixed IO Bench
26.5 GB/s Slightly faster multi-core mixed.
+8%
24.5 GB/s
MC Read
16 Core Read Bench
37.1 GB/s 37.9 GB/s +2%
MC Write
16 Core Write Bench
37.3 GB/s +3% 36.1 GB/s
MC Mixed
16 Core Mixed IO Bench
32.8 GB/s +4% 31.6 GB/s
Market Share
Based on 6,913,791 RAM Kits tested.
Market Share
Market Share (trailing 30 days)
0.13 % 0.33 % Hugely higher market share.
+154%
Value
Value For Money
85.8 % Hugely better value.
+162%
32.7 %
User Rating
UBM User Rating
55 % 60 % Slightly more popular.
+9%
Price
Price (score)
$75 Much cheaper.
+61%
$190
Age
Newest
30 Months More recent.
+25%
40 Months
SC Read
Avg. 1 Core Read Bench
18.5 GB/s +3% 18 GB/s
SC Write
Avg. 1 Core Write Bench
32.4 GB/s Slightly faster single-core write.
+12%
28.9 GB/s
SC Mixed
Avg. 1 Core Mixed IO Bench
25.2 GB/s Slightly faster single-core mixed.
+8%
23.3 GB/s
SC Read
1 Core Read Bench
22.6 GB/s 22.8 GB/s +1%
SC Write
1 Core Write Bench
39.6 GB/s Slightly faster single-core write.
+6%
37.2 GB/s
SC Mixed
1 Core Mixed IO Bench
29.8 GB/s +4% 28.6 GB/s
Latency
Avg. Physical RAM Latency
64.2 ns Slightly lower access latency.
+13%
73.7 ns
Latency
Physical RAM Latency
54.7 ns +3% 56.3 ns
Capacity
Capacity
16GB 16GB
Memory Kit Rankings (Price vs Performance) February 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.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.
  • Best value for money - Value for money is based on real world performance and price per GB.
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 (UBM).
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write and mixed IO.
  • - Checks include: 4k Align, NCQ, TRIM, SATA, USB & S.M.A.R.T.
  • - 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 highest voted in class.
  • - Find the best upgrades.
  • - Share your opinion by voting.

 Frequently Asked Questions

 Best User Rated

The Best.
CPUGPUSSD
Intel Core i7-8700K $330Nvidia GTX 1070 $430Samsung 850 Evo 250GB $88
Intel Core i7-7700K $290Nvidia GTX 1060-6GB $285Samsung 850 Evo 500GB $146
AMD Ryzen 5 1600 $170AMD RX 480 $400Samsung 850 Pro 256GB $146
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $185SanDisk Extreme 64GB $44
Seagate Barracuda 3TB (2016) $79G.SKILL Trident Z DDR4 3200 C14 4x16GB $931SanDisk Extreme 32GB $23
Seagate Barracuda 7200.14 1TB $42Corsair Vengeance LPX DDR4 3200 C16 2x8GB $206SanDisk Extreme 16GB $18
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