CorsairCMD8GX4M2B3000C15
HyperXHX421C14FB(|2)K2/16
  

Release date ≤ Q1 2016.

Release date: Q1 2015.

Real World Speed
Performance profile from 32,364 user samples
330 User Benchmarks
Best Bench: 105% @ 3400 MHz
Worst Bench: 47% @ 3000 MHz
Poor: 47% Great: 105%
SPEED RANK: 42nd / 108
32,034 User Benchmarks
Best Bench: 87% @ 3200 MHz
Worst Bench: 54% @ 933 MHz
Poor: 54% Great: 87%
SPEED RANK: 70th / 108
Effective Speed
Effective RAM Speed
84.5 % Faster effective speed.
+15%
73.3 %
MC Read
Avg. 16 Core Read Bench
32.5 GB/s Faster multi-core read.
+22%
26.7 GB/s
MC Write
Avg. 16 Core Write Bench
32 GB/s Faster multi-core write.
+16%
27.5 GB/s
MC Mixed
Avg. 16 Core Mixed IO Bench
25.9 GB/s Slightly faster multi-core mixed.
+9%
23.8 GB/s
MC Read
16 Core Read Bench
42.1 GB/s Faster multi-core read.
+27%
33.2 GB/s
MC Write
16 Core Write Bench
41.8 GB/s Faster multi-core write.
+26%
33.2 GB/s
MC Mixed
16 Core Mixed IO Bench
33.9 GB/s Faster multi-core mixed.
+15%
29.4 GB/s
Market Share
Based on 18,050,418 RAM Kits tested.
Market Share
Market Share (trailing 30 days)
0 % 0.16 % Insanely higher market share.
+∞%
User Rating
UBM User Rating
50 % 64 % More popular.
+28%
Age
Newest
42+ Months More recent.
+21%
53 Months
SC Read
Avg. 1 Core Read Bench
19.1 GB/s Faster single-core read.
+16%
16.5 GB/s
SC Write
Avg. 1 Core Write Bench
30.7 GB/s Slightly faster single-core write.
+15%
26.7 GB/s
SC Mixed
Avg. 1 Core Mixed IO Bench
24.6 GB/s Slightly faster single-core mixed.
+11%
22.1 GB/s
SC Read
1 Core Read Bench
24.2 GB/s Slightly faster single-core read.
+13%
21.5 GB/s
SC Write
1 Core Write Bench
40.8 GB/s Faster single-core write.
+21%
33.7 GB/s
SC Mixed
1 Core Mixed IO Bench
31.4 GB/s Slightly faster single-core mixed.
+14%
27.6 GB/s
Latency
Avg. Physical RAM Latency
66.9 ns +5% 70.3 ns
Latency
Physical RAM Latency
48.5 ns Lower access latency.
+19%
59.7 ns
Capacity
Capacity
8GB 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
AMD Ryzen 5 3600 $199Nvidia GTX 1070 $391Samsung 850 Evo 250GB $104
AMD Ryzen 7 2700X $251Nvidia GTX 1060-6GB $250Samsung 850 Evo 500GB $103
Intel Core i9-9900K $485Nvidia GTX 1080-Ti $750Samsung 850 Pro 256GB $97
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $73SanDisk Extreme 64GB $128
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $728SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $41Corsair Vengeance LPX DDR4 3200 C16 2x8GB $78SanDisk Ultra Fit 32GB $12
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