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CorsairCMK16GX4M2C3000C16(|B|R|W)
CorsairCMD16GX4M4A2666C16

Release date ≈ Q3 2017.

  

Release date ≈ Q2 2017.

Real World Speed
Performance profile from 6,185 user samples
6,179 User Benchmarks
Best Bench: 102% @ 1733 MHz
Worst Bench: 51% @ 2933 MHz
Poor: 51% Great: 102%
SPEED RANK: 76th / 132
6 User Benchmarks
Best Bench: 102% @ 2400 MHz
Worst Bench: 91% @ 2133 MHz
Poor: 91% Great: 102%
SPEED RANK: 28th / 132
Effective Speed
Effective RAM Speed
80.1 % 96.3 % Faster effective speed.
+20%
MC Read
Avg. 16 Core Read Bench
31.5 GB/s 39.8 GB/s Faster multi-core read.
+26%
MC Write
Avg. 16 Core Write Bench
29.2 GB/s 37.6 GB/s Faster multi-core write.
+29%
MC Mixed
Avg. 16 Core Mixed IO Bench
24.9 GB/s 33.8 GB/s Much faster multi-core mixed.
+36%
MC Read
16 Core Read Bench
41.4 GB/s +1% 41.1 GB/s
MC Write
16 Core Write Bench
38.5 GB/s 41.2 GB/s Slightly faster multi-core write.
+7%
MC Mixed
16 Core Mixed IO Bench
33.5 GB/s 36.1 GB/s Slightly faster multi-core mixed.
+8%
Market Share
Based on 68,184,333 RAM Kits tested
Market Share
Market Share (trailing 30 days)
0 % 0 %
User Rating
UBM User Rating
50 % 50 %
Age
Newest
85+ Months Slightly more recent.
+6%
90+ Months
SC Read
Avg. 1 Core Read Bench
19.1 GB/s Much faster single-core read.
+40%
13.6 GB/s
SC Write
Avg. 1 Core Write Bench
28.9 GB/s Much faster single-core write.
+49%
19.4 GB/s
SC Mixed
Avg. 1 Core Mixed IO Bench
24.2 GB/s Faster single-core mixed.
+22%
19.8 GB/s
SC Read
1 Core Read Bench
26.5 GB/s Much faster single-core read.
+71%
15.5 GB/s
SC Write
1 Core Write Bench
40.1 GB/s Hugely faster single-core write.
+82%
22 GB/s
SC Mixed
1 Core Mixed IO Bench
31.8 GB/s Much faster single-core mixed.
+49%
21.4 GB/s
Latency
Avg. Physical RAM Latency
72.7 ns 68.2 ns Slightly lower access latency.
+6%
Latency
Physical RAM Latency
54.1 ns Lower access latency.
+14%
62.7 ns
Capacity
Capacity
16GB 24GB
Memory Kit Rankings (Price vs Performance) October 2024 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]

Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.
How Fast Is Your RAM? (Bench your build) Size up your PC in less than a minute

Welcome to our 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 value for money upgrades.

UserBenchmark of the month

How it works

  • - Download and run UserBenchmark
  • - CPU tests include: integer, floating and string
  • - GPU tests include: six 3D game simulations
  • - Drive tests include: read, write, sustained write and mixed IO
  • - RAM tests include: single/multi core bandwidth and latency
  • - SkillBench (space shooter) tests user input accuracy
  • - 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 current market leaders
  • - Explore your best upgrade options with a virtual PC build
  • - Compare your in-game FPS to other users with your hardware

 Frequently Asked Questions

 Best User Rated

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Marketers operate thousands of reddit accounts. Our benchmarks expose their spiel so they attack our reputation.
Why don’t PC brands endorse UserBenchmark?
Brands make boatloads on flagships like the 4090 and 14900KS. We help users get similar real-world performance for less money.
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We don't pay youtubers, so they don't praise us. Moreover, our data obstructs youtubers who promote overpriced or inferior products.
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The Best
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Intel Core i5-13600K $200Nvidia RTX 4070 $500Crucial T700 M.2 4TB $350
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