Average Bench: 85.2% (35th of 108)

Based on 163 user benchmarks.  Model: Crucial BLS16G4D30CEST.16FD 2x16GB

Very good average bench

The Crucial BLS16G4D30CEST.16FD 2x16GB averaged just 14.7% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Crucial BLS16G4D30CEST.16FD 2x16GB near the top of the comparison list.


Avg. 1 Core Write Bench 32.5GB/s
Avg. 16 Core Read Bench 32.4GB/s

Poor consistency

The range of scores (95th - 5th percentile) for the Crucial BLS16G4D30CEST.16FD 2x16GB is 61.3%. This is a particularly wide range which indicates that the Crucial BLS16G4D30CEST.16FD 2x16GB performs inconsistently under varying real world conditions.


Avg. Physical RAM Latency 70.9ns
Avg. 1 Core Read Bench 20.5GB/s

Average Bench

(Based on 163 samples)
Min Avg Max
16.3 MC Read 32.4 42.4
15.3 MC Write 30.9 40.8
14.1 MC Mixed 27.4 36.3
86.4% 30.3 GB/s
Min Avg Max
13.7 SC Read 20.5 26.4
16.7 SC Write 32.5 44.1
16.4 SC Mixed 26.6 34.4
75.8% 26.5 GB/s
Min Avg Max
54.5 Latency 70.9 97.2
56.4% 70.9 ns
User Benchmarks Bench Multi core Single core Latency
The fastest RAM (mainstream) averages a speed of 100%
2 of 4 slots used
32GB DIMM DDR4 clocked @ 2933 MHz
MC Read 40
MC Write 35.9
MC Mixed 35
106% 37 GB/s
SC Read 26.2
SC Write 38.4
SC Mixed 31
91% 31.9 GB/s
Latency 77.6
52% 77.6 ns
2 of 4 slots used
32GB DIMM DDR4 clocked @ 2400 MHz
MC Read 30.3
MC Write 31.1
MC Mixed 25.1
82% 28.8 GB/s
SC Read 19.1
SC Write 33
SC Mixed 26
74% 26 GB/s
Latency 58
69% 58 ns
2 of 4 slots used
32GB DIMM DDR4 clocked @ 2400 MHz
MC Read 30.4
MC Write 31
MC Mixed 25.4
83% 28.9 GB/s
SC Read 19.1
SC Write 32.2
SC Mixed 25.7
73% 25.7 GB/s
Latency 58.7
68% 58.7 ns
2 of 4 slots used
32GB DIMM DDR4 clocked @ 2400 MHz
MC Read 30.5
MC Write 31.1
MC Mixed 25.1
83% 28.9 GB/s
SC Read 17.8
SC Write 31.7
SC Mixed 24.1
70% 24.5 GB/s
Latency 64
62% 64 ns
163 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 21,998,627 RAM Kits tested.

Typical BLS16G4D30CEST.16FD 2x16GB Builds (Compare 24,589 builds) See popular component choices, score breakdowns and rankings.
Gaming 81%
Aircraft carrier
Desktop 112%
Workstation 102%

Motherboard: Asus PRIME X470-PRO - $133

EDIT WITH CUSTOM PC BUILDER Value: 60% - Good Total price: $823

Popular BLS16G4D30CEST.16FD 2x16GB compatible motherboards:

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.
  • - 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.
  • - Explore your best upgrade options with a virtual PC build.
  • - Compare your in-game FPS to other users with your hardware.
  • - Share your opinion by voting.
Memory Kit Rankings (Price vs Performance) December 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 1660S (Super) $260Crucial MX500 250GB $45
Intel Core i5-9600K $200AMD RX 590 $180Samsung 850 Evo 120GB $58
Intel Core i7-9700K $369Nvidia GTX 1650S (Super) $160Samsung 850 Pro 512GB $230
Seagate Barracuda 1TB (2016) $35Corsair Vengeance LPX DDR4 3200 C16 2x8GB $65SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $38Corsair Vengeance LPX DDR4 3000 C15 2x8GB $63SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $613SanDisk Extreme 16GB $24
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