Average Bench: 86.3% (31st of 108)

Based on 263 user benchmarks.  Model: Corsair CM4X8GD3000C16K4 2x8GB

Very good average bench

The Corsair CM4X8GD3000C16K4 2x8GB averaged just 13.6% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Corsair CM4X8GD3000C16K4 2x8GB near the top of the comparison list.


Avg. 16 Core Read Bench 34.1GB/s
Avg. 16 Core Write Bench 32.3GB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Corsair CM4X8GD3000C16K4 2x8GB is 37.8%. This is a relatively wide range which indicates that the Corsair CM4X8GD3000C16K4 2x8GB performs inconsistently under varying real world conditions.


Avg. 1 Core Read Bench 20GB/s
Avg. Physical RAM Latency 62.3ns

Average Bench

(Based on 263 samples)
Min Avg Max
24.5 MC Read 34.1 41.3
22.6 MC Write 32.3 38.3
18.7 MC Mixed 25.2 32.8
87.4% 30.6 GB/s
Min Avg Max
14.8 SC Read 20 24.3
21 SC Write 32.3 40.7
18 SC Mixed 26.2 30.8
74.8% 26.2 GB/s
Min Avg Max
50.5 Latency 62.3 93.2
64.2% 62.3 ns
User Benchmarks Bench Multi core Single core Latency
The fastest RAM (mainstream) averages a speed of 100%
2 of 4 slots used
16GB DIMM DDR4 clocked @ 3000 MHz
MC Read 39.6
MC Write 35.5
MC Mixed 31.8
102% 35.6 GB/s
SC Read 24
SC Write 32.8
SC Mixed 26
79% 27.6 GB/s
Latency 76.4
52% 76.4 ns
2 of 4 slots used
16GB DIMM DDR4 clocked @ 3000 MHz
MC Read 36.6
MC Write 35
MC Mixed 25.1
92% 32.2 GB/s
SC Read 21
SC Write 40.8
SC Mixed 29.8
87% 30.5 GB/s
Latency 50.4
79% 50.4 ns
263 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 20,454,989 RAM Kits tested.

Typical CM4X8GD3000C16K4 2x8GB Builds (Compare 143 builds) See popular component choices, score breakdowns and rankings.
Gaming 95%
Nuclear submarine
Desktop 90%
Aircraft carrier
Workstation 76%

System: PC PRIME Z370-P

EDIT WITH CUSTOM PC BUILDER Value: 58% - Above average Total price: $956

Popular CM4X8GD3000C16K4 2x8GB systems:

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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.

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.
  • - 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.
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  • - Share your opinion by voting.
Memory Kit Rankings (Price vs Performance) October 2019 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.


108 Memory Kits (Compared) Thousands of user benchmarks compiled into one comparison list.

See how consistently different RAM Kits perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

 Best User Rated

The Best.
Intel Core i5-9400F $145Nvidia GTX 1660 $210Samsung 850 Evo 250GB $73
Intel Core i5-9600K $240Nvidia RTX 2060 $349Samsung 850 Evo 500GB $107
Intel Core i7-9700K $350Nvidia GTX 1660-Ti $270Samsung 850 Pro 256GB $200
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $65SanDisk Extreme 64GB $88
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $612SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $70SanDisk Ultra Fit 32GB $14
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