CorsairCMK16GX4M4B3000C15(|B|R)
CorsairCMK16GX4M2B3000C15(|B|R|W)
Real World Speed
Performance profile from 79,236 user samples
2,327 User Benchmarks
Best Bench: 123% @ 1467 MHz
Worst Bench: 71% @ 1067 MHz
Poor: 71% Great: 123%
SPEED RANK: 18th / 104
76,909 User Benchmarks
Best Bench: 104% @ 3333 MHz
Worst Bench: 53% @ 2933 MHz
Poor: 53% Great: 104%
SPEED RANK: 37th / 104
Effective Speed
Effective RAM Speed
92.8 % Slightly faster effective speed.
+10%
84.3 %
MC Read
Avg. 16 Core Read Bench
34.4 GB/s Slightly faster multi-core read.
+6%
32.6 GB/s
MC Write
Avg. 16 Core Write Bench
36.6 GB/s Faster multi-core write.
+15%
31.7 GB/s
MC Mixed
Avg. 16 Core Mixed IO Bench
30.7 GB/s Faster multi-core mixed.
+19%
25.7 GB/s
MC Read
16 Core Read Bench
46.5 GB/s Slightly faster multi-core read.
+12%
41.6 GB/s
MC Write
16 Core Write Bench
55 GB/s Much faster multi-core write.
+38%
39.8 GB/s
MC Mixed
16 Core Mixed IO Bench
43.9 GB/s Much faster multi-core mixed.
+31%
33.6 GB/s
Market Share
Based on 8,689,863 RAM Kits tested.
Market Share
Market Share (trailing 30 days)
0.05 % 1.27 % Insanely higher market share.
+2,440%
Value
Value For Money
63.4 % 72.6 % Slightly better value.
+15%
User Rating
UBM User Rating
55 % 77 % Much more popular.
+40%
Price
Price (score)
$214 $178 Cheaper.
+17%
Age
Newest
44 Months 44 Months
SC Read
Avg. 1 Core Read Bench
18.4 GB/s 19.6 GB/s Slightly faster single-core read.
+7%
SC Write
Avg. 1 Core Write Bench
31 GB/s 31.5 GB/s +2%
SC Mixed
Avg. 1 Core Mixed IO Bench
24.9 GB/s 25.5 GB/s +2%
SC Read
1 Core Read Bench
23.4 GB/s 24.7 GB/s Slightly faster single-core read.
+6%
SC Write
1 Core Write Bench
42.9 GB/s +2% 41.9 GB/s
SC Mixed
1 Core Mixed IO Bench
31.4 GB/s +0% 31.3 GB/s
Latency
Avg. Physical RAM Latency
64.9 ns +2% 66.3 ns
Latency
Physical RAM Latency
50.5 ns 49.2 ns +3%
Capacity
Capacity
16GB 16GB
Memory Kit Rankings (Price vs Performance) June 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
AMD Ryzen 5 1600 $175Nvidia GTX 1070 $447Samsung 850 Evo 250GB $104
Intel Core i7-8700K $325Nvidia GTX 1060-6GB $285Samsung 850 Evo 500GB $124
Intel Core i5-8600K $239AMD RX 480 $280Samsung 850 Pro 256GB $116
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $178SanDisk Extreme 64GB $44
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $951SanDisk Extreme 32GB $30
Seagate Barracuda 2TB (2016) $35HyperX Fury DDR4 2133 C14 2x8GB $226SanDisk Ultra Fit 32GB $12
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