CorsairCMD16GX4M2B3000C15
CorsairCMK16GX4M2A2133C13(|R)
Real World Speed
Performance profile from 8,916 user samples
1,963 User Benchmarks
Best Bench: 104% @ 3265 MHz
Worst Bench: 65% @ 2133 MHz
Poor: 65% Great: 104%
SPEED RANK: 24th / 70
6,953 User Benchmarks
Best Bench: 79% @ 3000 MHz
Worst Bench: 41% @ 2133 MHz
Poor: 41% Great: 79%
SPEED RANK: 45th / 70
Effective Speed
Effective RAM Speed
85.5 % Faster effective speed.
+22%
69.9 % -22%
MC Read
Avg. 16 Core Read Bench
32.2 GB/s Faster multi-core read.
+26%
25.6 GB/s -26%
MC Write
Avg. 16 Core Write Bench
32.3 GB/s Faster multi-core write.
+21%
26.6 GB/s -21%
MC Mixed
Avg. 16 Core Mixed IO Bench
27 GB/s Faster multi-core mixed.
+22%
22.2 GB/s -22%
MC Read
16 Core Read Bench
40.4 GB/s Much faster multi-core read.
+35%
29.9 GB/s -35%
MC Write
16 Core Write Bench
40.4 GB/s Much faster multi-core write.
+35%
29.9 GB/s -35%
MC Mixed
16 Core Mixed IO Bench
34.6 GB/s Much faster multi-core mixed.
+32%
26.3 GB/s -32%
Market Share
Based on 4,094,288 RAM Kits tested.
Market Share
Market Share (trailing 30 days)
0.09 % -178% 0.25 % Hugely higher market share.
+178%
Value
Value For Money
40.4 % -9% 44 % Slightly better value.
+9%
User Rating
UBM User Rating
55 % -13% 62 % Slightly more popular.
+13%
Price
Price (score)
$161 -17% $134 Cheaper.
+17%
Age
Newest
24 Months More recent.
+29%
34 Months -29%
SC Read
Avg. 1 Core Read Bench
19.1 GB/s Faster single-core read.
+20%
15.9 GB/s -20%
SC Write
Avg. 1 Core Write Bench
32.7 GB/s Faster single-core write.
+28%
25.6 GB/s -28%
SC Mixed
Avg. 1 Core Mixed IO Bench
25.6 GB/s Faster single-core mixed.
+22%
21 GB/s -22%
SC Read
1 Core Read Bench
23.4 GB/s Faster single-core read.
+21%
19.4 GB/s -21%
SC Write
1 Core Write Bench
43 GB/s Much faster single-core write.
+41%
30.6 GB/s -41%
SC Mixed
1 Core Mixed IO Bench
32 GB/s Faster single-core mixed.
+26%
25.4 GB/s -26%
Latency
Avg. Physical RAM Latency
67.3 ns Slightly lower access latency.
+7%
72.5 ns -7%
Latency
Physical RAM Latency
49.7 ns Lower access latency.
+18%
60.6 ns -18%
Capacity
Capacity
16GB 16GB
Memory Kit Rankings (Price vs Performance) August 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]

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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.

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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

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The Best.
CPUGPUSSD
Intel Core i7-7700K $307Nvidia GTX 1070 $400Samsung 850 Evo 250GB $99
AMD Ryzen 7 1700 $291AMD RX 480 $265Samsung 850 Pro 256GB $130
Intel Core i5-7600K $217Nvidia GTX 1060-6GB $275Samsung 850 Evo 500GB $155
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45G.SKILL Trident Z DDR4 3200 C14 4x16GB $718SanDisk Extreme 64GB $45
Seagate Barracuda 3TB (2016) $83Corsair Vengeance LPX DDR4 3000 C15 2x8GB $140SanDisk Extreme 32GB $22
Seagate Barracuda 7200.14 1TB $55HyperX Fury DDR4 2133 C14 2x8GB $140SanDisk Ultra Fit 32GB $13
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