CorsairCMK16GX4M2A2400C14(|R)
HyperXHX421C14FB(|2)K2/16
Real World Speed
Performance profile from 30,960 user samples
14,214 User Benchmarks
Best Bench: 88% @ 1600 MHz
Worst Bench: 45% @ 2400 MHz
Poor: 45% Great: 88%
SPEED RANK: 65th / 104
16,746 User Benchmarks
Best Bench: 87% @ 3200 MHz
Worst Bench: 41% @ 2133 MHz
Poor: 41% Great: 87%
SPEED RANK: 68th / 104
Effective Speed
Effective RAM Speed
73.5 % +2% 72.4 %
MC Read
Avg. 16 Core Read Bench
27.5 GB/s +5% 26.3 GB/s
MC Write
Avg. 16 Core Write Bench
27.9 GB/s +1% 27.5 GB/s
MC Mixed
Avg. 16 Core Mixed IO Bench
22.9 GB/s 23.3 GB/s +2%
MC Read
16 Core Read Bench
33.1 GB/s +5% 31.6 GB/s
MC Write
16 Core Write Bench
33.1 GB/s 33.3 GB/s +1%
MC Mixed
16 Core Mixed IO Bench
29 GB/s Slightly faster multi-core mixed.
+6%
27.4 GB/s
Market Share
Based on 7,843,910 RAM Kits tested.
Market Share
Market Share (trailing 30 days)
0.22 % Higher market share.
+22%
0.18 %
Value
Value For Money
71 % Much better value.
+34%
52.9 %
User Rating
UBM User Rating
54 % 65 % More popular.
+20%
Price
Price (score)
$170 Cheaper.
+25%
$226
Age
Newest
42 Months 38 Months Slightly more recent.
+10%
SC Read
Avg. 1 Core Read Bench
16.8 GB/s +4% 16.1 GB/s
SC Write
Avg. 1 Core Write Bench
26.9 GB/s +2% 26.4 GB/s
SC Mixed
Avg. 1 Core Mixed IO Bench
22.2 GB/s +2% 21.7 GB/s
SC Read
1 Core Read Bench
20.9 GB/s +3% 20.3 GB/s
SC Write
1 Core Write Bench
34.2 GB/s +1% 33.7 GB/s
SC Mixed
1 Core Mixed IO Bench
26.9 GB/s +1% 26.7 GB/s
Latency
Avg. Physical RAM Latency
70.5 ns 70.1 ns +1%
Latency
Physical RAM Latency
55.8 ns Slightly lower access latency.
+6%
59.2 ns
Capacity
Capacity
16GB 16GB
Memory Kit Rankings (Price vs Performance) April 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 $447Samsung 850 Evo 250GB $80
Intel Core i7-7700K $290Nvidia GTX 1060-6GB $300Samsung 850 Evo 500GB $137
AMD Ryzen 5 1600 $170AMD RX 480 $350Samsung 850 Pro 256GB $158
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $183SanDisk Extreme 64GB $70
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $957SanDisk Extreme 32GB $45
Seagate Barracuda 2TB (2016) $36Corsair Vengeance LPX DDR4 3200 C16 2x8GB $195SanDisk Ultra Fit 32GB $12
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