CorsairCMK16GX4M2B3000C15(|B|R)
Group Average(9 Highest-Voted)
Real World Speed
Performance profile from 9,538 user samples
9,538 User Benchmarks
Best Bench: 103% @ 3248 MHz
Worst Bench: 57% @ 800 MHz
Poor: 57% Great: 103%
SPEED RANK: 26th / 70
Effective Speed
Effective RAM Speed
84.2 % -7% 90.3 % Slightly faster effective speed.
+7%
MC Read
Avg. 16 Core Read Bench
31.2 GB/s -9% 33.9 GB/s Slightly faster multi-core read.
+9%
MC Write
Avg. 16 Core Write Bench
32.6 GB/s -8% 35.3 GB/s Slightly faster multi-core write.
+8%
MC Mixed
Avg. 16 Core Mixed IO Bench
25.5 GB/s -15% 29.2 GB/s Slightly faster multi-core mixed.
+15%
MC Read
16 Core Read Bench
37.8 GB/s -9% 41.4 GB/s Slightly faster multi-core read.
+9%
MC Write
16 Core Write Bench
40.6 GB/s -7% 43.5 GB/s Slightly faster multi-core write.
+7%
MC Mixed
16 Core Mixed IO Bench
33.2 GB/s -10% 36.6 GB/s Slightly faster multi-core mixed.
+10%
Market Share
Based on 2,314,213 RAM Kits tested.
User Rating
UBM User Rating
67 % Slightly more popular.
+11%
60.4 % -11%
Market Share
Market Share (trailing 30 days)
1 % Hugely higher market share.
+260%
0.28 % -260%
Price
Price (score)
$125 Hugely cheaper.
+97%
247 USD -97%
Value
Value For Money
51.7 % -5% 54.2 % +5%
SC Read
Avg. 1 Core Read Bench
18.8 GB/s Slightly faster single-core read.
+6%
17.8 GB/s -6%
SC Write
Avg. 1 Core Write Bench
32.7 GB/s Slightly faster single-core write.
+10%
29.9 GB/s -10%
SC Mixed
Avg. 1 Core Mixed IO Bench
25.3 GB/s +4% 24.2 GB/s -4%
SC Read
1 Core Read Bench
22.9 GB/s Slightly faster single-core read.
+6%
21.6 GB/s -6%
SC Write
1 Core Write Bench
42.5 GB/s Slightly faster single-core write.
+8%
39.3 GB/s -8%
SC Mixed
1 Core Mixed IO Bench
31.5 GB/s +5% 30.1 GB/s -5%
Latency
Avg. Physical RAM Latency
60.4 ns +3% 61.9 ns -3%
Latency
Physical RAM Latency
49.5 ns Slightly lower access latency.
+7%
52.7 ns -7%
Age
Newest
28 Months -40% 20 Months Much more recent.
+40%
Capacity
Capacity
16GB   —
Memory Kit Rankings (Price vs Performance) February 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 $346Nvidia GTX 1070 $370Samsung 850 Evo 250GB $94
Intel Pentium G4560 $71AMD RX 480 $175Samsung 850 Pro 256GB $121
Intel Core i5-7600K $230Nvidia GTX 1060-6GB $230Samsung 850 Evo 500GB $169
HDDRAMUSB
Seagate Barracuda 1TB (2016) $50Corsair Vengeance LPX DDR4 3000 C15 2x8GB $125SanDisk Extreme 64GB $34
Seagate Barracuda 3TB (2016) $90G.SKILL Trident Z DDR4 3200 C14 4x16GB $570SanDisk Extreme 32GB $23
Seagate Barracuda 7200.14 1TB $50HyperX Fury DDR4 2133 C14 2x8GB $123SanDisk Extreme 16GB $18
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