G.SKILLF4-3000C15Q-16GR(R|B|K)
CorsairCMK16GX4M2B3000C15(|B|R|W)
Real World Speed
Performance profile from 71,828 user samples
1,085 User Benchmarks
Best Bench: 124% @ 1600 MHz
Worst Bench: 72% @ 3100 MHz
Poor: 72% Great: 124%
SPEED RANK: 11th / 104
70,743 User Benchmarks
Best Bench: 103% @ 1600 MHz
Worst Bench: 50% @ 800 MHz
Poor: 50% Great: 103%
SPEED RANK: 40th / 104
Effective Speed
Effective RAM Speed
97.4 % Faster effective speed.
+16%
83.8 %
MC Read
Avg. 16 Core Read Bench
37.1 GB/s Slightly faster multi-core read.
+15%
32.4 GB/s
MC Write
Avg. 16 Core Write Bench
38.1 GB/s Faster multi-core write.
+21%
31.6 GB/s
MC Mixed
Avg. 16 Core Mixed IO Bench
33.3 GB/s Much faster multi-core mixed.
+31%
25.4 GB/s
MC Read
16 Core Read Bench
49.2 GB/s Faster multi-core read.
+18%
41.7 GB/s
MC Write
16 Core Write Bench
51.1 GB/s Faster multi-core write.
+28%
39.8 GB/s
MC Mixed
16 Core Mixed IO Bench
45.5 GB/s Much faster multi-core mixed.
+35%
33.8 GB/s
Market Share
Based on 8,321,355 RAM Kits tested.
Market Share
Market Share (trailing 30 days)
0.01 % 1.46 % Insanely higher market share.
+14,500%
Value
Value For Money
66.2 % 71.6 % Slightly better value.
+8%
User Rating
UBM User Rating
59 % 76 % More popular.
+29%
Price
Price (score)
$210 $180 Slightly cheaper.
+14%
Age
Newest
43 Months 43 Months
SC Read
Avg. 1 Core Read Bench
17.6 GB/s 19.5 GB/s Slightly faster single-core read.
+11%
SC Write
Avg. 1 Core Write Bench
28 GB/s 31.3 GB/s Slightly faster single-core write.
+12%
SC Mixed
Avg. 1 Core Mixed IO Bench
24 GB/s 25.2 GB/s Slightly faster single-core mixed.
+5%
SC Read
1 Core Read Bench
23.2 GB/s 24.9 GB/s Slightly faster single-core read.
+7%
SC Write
1 Core Write Bench
42.7 GB/s +3% 41.4 GB/s
SC Mixed
1 Core Mixed IO Bench
31.7 GB/s +2% 31 GB/s
Latency
Avg. Physical RAM Latency
61 ns Slightly lower access latency.
+7%
65.6 ns
Latency
Physical RAM Latency
49.3 ns 49.2 ns +0%
Capacity
Capacity
16GB 16GB
Memory Kit Rankings (Price vs Performance) May 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 $320Nvidia GTX 1070 $447Samsung 850 Evo 250GB $95
AMD Ryzen 5 1600 $172Nvidia GTX 1060-6GB $280Samsung 850 Evo 500GB $139
Intel Core i7-7700K $285AMD RX 480 $300Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $180SanDisk Extreme 64GB $35
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $961SanDisk Extreme 32GB $30
Seagate Barracuda 2TB (2016) $60HyperX Fury DDR4 2133 C14 2x8GB $226SanDisk Extreme 16GB $20
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