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CorsairCMK16GX4M2A2133C13(|R)
HyperXHX421C14FB(|2)K2/16
▲ 62298 ▼

Release date: Q4 2014.

VS
Copy
▲ 641,298 ▼

Release date: Q1 2015.

Effective Speed 
+5%
Real World Speed
Performance profile from 34,343 user samples
Benchmark your RAM here
13,217 User Benchmarks
Best Bench: 80% @ 3200 MHz
Worst Bench: 40% @ 2133 MHz
Poor: 40% Great: 80%
SPEED RANK: 73rd / 105
21,126 User Benchmarks
Best Bench: 88% @ 1500 MHz
Worst Bench: 41% @ 1600 MHz
Poor: 41% Great: 88%
SPEED RANK: 67th / 105
Effective Speed
Effective RAM Speed 		69.3 % 72.5 % +5%
Average User Bench 
+5%
MC Read
Avg. 16 Core Read Bench 		25.6 GB/s 26.3 GB/s +3%
MC Write
Avg. 16 Core Write Bench 		26.2 GB/s 27.4 GB/s +5%
MC Mixed
Avg. 16 Core Mixed IO Bench 		21.8 GB/s 23.3 GB/s Slightly faster multi-core mixed.
+7%
Peak Lab Bench 
+5%
MC Read
16 Core Read Bench 		30.6 GB/s 31.7 GB/s +4%
MC Write
16 Core Write Bench 		30.5 GB/s 33.1 GB/s Slightly faster multi-core write.
+9%
MC Mixed
16 Core Mixed IO Bench 		26.8 GB/s 27.8 GB/s +4%
Value & Sentiment 
+17%
Market Share
Based on 9,765,464 RAM Kits tested.
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.19 % 0.21 % Slightly higher market share.
+11%
Value
Value For Money 		81.9 % Much better value.
+47% 		55.8 %
User Rating
UBM User Rating 		62 % 64 % +3%
Price
Price (score) 		$143 Much cheaper.
+33% 		$215
Nice To Haves 
+5%
Age
Newest 		46 Months 42 Months Slightly more recent.
+9%
SC Read
Avg. 1 Core Read Bench 		15.8 GB/s 16.2 GB/s +3%
SC Write
Avg. 1 Core Write Bench 		24.9 GB/s 26.4 GB/s Slightly faster single-core write.
+6%
SC Mixed
Avg. 1 Core Mixed IO Bench 		20.7 GB/s 21.6 GB/s +4%
SC Read
1 Core Read Bench 		20 GB/s 20.1 GB/s +1%
SC Write
1 Core Write Bench 		30.9 GB/s 33.6 GB/s Slightly faster single-core write.
+9%
SC Mixed
1 Core Mixed IO Bench 		24.6 GB/s 26.5 GB/s Slightly faster single-core mixed.
+8%
Latency
Avg. Physical RAM Latency 		72.7 ns 69 ns Slightly lower access latency.
+5%
Latency
Physical RAM Latency 		60.1 ns 59.6 ns +1%
Specifications 
Capacity
Capacity 		16GB 16GB
User Builds 
13,217
21,126
Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money.

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Memory Kit Rankings (Price vs Performance) August 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.

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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

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 Best User Rated
The Best.
CPUGPUSSD
Intel Core i7-8700K $330Nvidia GTX 1070 $370Samsung 850 Evo 250GB $73
AMD Ryzen 5 1600 $150Nvidia GTX 1060-6GB $270Samsung 850 Evo 500GB $120
Intel Core i5-8600K $240AMD RX 480 $280Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $155SanDisk Extreme 64GB $80
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $901SanDisk Extreme 32GB $30
WD Blue 1TB (2012) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $175SanDisk Ultra Fit 32GB $12
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