HyperXHX421C14FB/8
G.SKILLF4-2400C14Q2-128GRK
Real World Speed
Performance profile from 4,435 user samples
4,420 User Benchmarks
Best Bench: 44% @ 3200 MHz
Worst Bench: 35% @ 1067 MHz
Poor: 35% Great: 44%
SPEED RANK: 64th / 70
15 User Benchmarks
Best Bench: 135% @ 2448 MHz
Worst Bench: 111% @ 2133 MHz
Poor: 111% Great: 135%
SPEED RANK: 1st / 70
Effective Speed
Effective RAM Speed
40.8 % -197% 121 % Hugely faster effective speed.
+197%
MC Read
Avg. 16 Core Read Bench
14.3 GB/s -248% 49.7 GB/s Hugely faster multi-core read.
+248%
MC Write
Avg. 16 Core Write Bench
14.2 GB/s -240% 48.3 GB/s Hugely faster multi-core write.
+240%
MC Mixed
Avg. 16 Core Mixed IO Bench
12.2 GB/s -275% 45.8 GB/s Hugely faster multi-core mixed.
+275%
MC Read
16 Core Read Bench
15.4 GB/s -258% 55.1 GB/s Hugely faster multi-core read.
+258%
MC Write
16 Core Write Bench
15.3 GB/s -265% 55.9 GB/s Hugely faster multi-core write.
+265%
MC Mixed
16 Core Mixed IO Bench
13.3 GB/s -277% 50.2 GB/s Hugely faster multi-core mixed.
+277%
Market Share
Based on 5,280,338 RAM Kits tested.
Market Share
Market Share (trailing 30 days)
0.11 % Insanely higher market share.
+∞%
0 % -∞%
Value
Value For Money
19.1 % -88% 35.8 % Hugely better value.
+88%
User Rating
UBM User Rating
55 % -13% 62 % Slightly more popular.
+13%
Price
Price (score)
$118 Hugely cheaper.
+93%
$1,732 -93%
Age
Newest
33 Months -12% 29 Months Slightly more recent.
+12%
SC Read
Avg. 1 Core Read Bench
11.7 GB/s -26% 14.7 GB/s Faster single-core read.
+26%
SC Write
Avg. 1 Core Write Bench
13.5 GB/s -50% 20.2 GB/s Much faster single-core write.
+50%
SC Mixed
Avg. 1 Core Mixed IO Bench
12.6 GB/s -70% 21.4 GB/s Much faster single-core mixed.
+70%
SC Read
1 Core Read Bench
13.8 GB/s -20% 16.6 GB/s Faster single-core read.
+20%
SC Write
1 Core Write Bench
15.5 GB/s -60% 24.8 GB/s Much faster single-core write.
+60%
SC Mixed
1 Core Mixed IO Bench
14.5 GB/s -69% 24.5 GB/s Much faster single-core mixed.
+69%
Latency
Avg. Physical RAM Latency
71.3 ns -4% 68.3 ns +4%
Latency
Physical RAM Latency
60.5 ns +1% 60.9 ns -1%
Capacity
Capacity
8GB 128GB
Memory Kit Rankings (Price vs Performance) November 2017 RAM Rankings.

Welcome to our DDR4 Memory Kit comparison. We calculate effective RAM speed which measures performance for typical desktop users. Effective speed is adjusted by cost per GB to yield value for money. Calculated values don't always tell the whole picture so we check them against thousands of individual user ratings. The customizable table below combines these factors and more to bring you the definitive list of top Memory Kits. Share your opinion by voting. [RAMPro]

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 i7-7700K $288Nvidia GTX 1070 $410Samsung 850 Evo 250GB $95
AMD Ryzen 7 1700 $285AMD RX 480 $240Samsung 850 Pro 256GB $110
Intel Core i5-7600K $200Nvidia GTX 1060-6GB $260Samsung 850 Evo 500GB $154
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $189SanDisk Extreme 64GB $33
Seagate Barracuda 3TB (2016) $75G.SKILL Trident Z DDR4 3200 C14 4x16GB $1,050SanDisk Extreme 32GB $22
Seagate Barracuda 7200.14 1TB $55Corsair Vengeance LPX DDR4 3200 C16 2x8GB $195SanDisk Ultra Fit 32GB $12
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