G.SKILLF4-2400C14Q2-128GRK
CorsairCMK32GX4M4A2666C16(|B|R)
Real World Speed
Performance profile from 1,910 user samples
17 User Benchmarks
Best Bench: 135% @ 1200 MHz
Worst Bench: 111% @ 2133 MHz
Poor: 111% Great: 135%
SPEED RANK: 1st / 72
1,893 User Benchmarks
Best Bench: 127% @ 1333 MHz
Worst Bench: 69% @ 2133 MHz
Poor: 69% Great: 127%
SPEED RANK: 16th / 72
Effective Speed
Effective RAM Speed
122 % Much faster effective speed.
+32%
92.8 %
MC Read
Avg. 16 Core Read Bench
50.1 GB/s Much faster multi-core read.
+46%
34.4 GB/s
MC Write
Avg. 16 Core Write Bench
48.7 GB/s Faster multi-core write.
+29%
37.7 GB/s
MC Mixed
Avg. 16 Core Mixed IO Bench
46.5 GB/s Much faster multi-core mixed.
+44%
32.2 GB/s
MC Read
16 Core Read Bench
60.1 GB/s Faster multi-core read.
+24%
48.4 GB/s
MC Write
16 Core Write Bench
59 GB/s +2% 57.6 GB/s
MC Mixed
16 Core Mixed IO Bench
57.3 GB/s Faster multi-core mixed.
+21%
47.3 GB/s
Market Share
Based on 6,913,568 RAM Kits tested.
Market Share
Market Share (trailing 30 days)
0 % 0.04 % Insanely higher market share.
+∞%
Value
Value For Money
44.1 % Better value.
+28%
34.4 %
User Rating
UBM User Rating
63 % More popular.
+19%
53 %
Price
Price (score)
$1,412 $394 Much cheaper.
+72%
Age
Newest
32 Months More recent.
+22%
41 Months
SC Read
Avg. 1 Core Read Bench
14.9 GB/s 16 GB/s Slightly faster single-core read.
+7%
SC Write
Avg. 1 Core Write Bench
21.1 GB/s 26.1 GB/s Faster single-core write.
+24%
SC Mixed
Avg. 1 Core Mixed IO Bench
21.7 GB/s 22 GB/s +1%
SC Read
1 Core Read Bench
17.1 GB/s 21 GB/s Faster single-core read.
+23%
SC Write
1 Core Write Bench
35.9 GB/s 38.2 GB/s Slightly faster single-core write.
+6%
SC Mixed
1 Core Mixed IO Bench
25.4 GB/s 29.1 GB/s Slightly faster single-core mixed.
+15%
Latency
Avg. Physical RAM Latency
70.1 ns 70.1 ns
Latency
Physical RAM Latency
60.9 ns 57 ns Slightly lower access latency.
+6%
Capacity
Capacity
128GB 32GB
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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