Average Bench: 40.6% (104th of 113)

Based on 506 user benchmarks.  Model: Crucial CT8G4SFS8266.C8FD1 1x8GB

Below average average bench

The Crucial CT8G4SFS8266.C8FD1 1x8GB averaged 59.4% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.


Avg. Physical RAM Latency 82.9ns
Avg. 16 Core Read Bench 15.7GB/s

Good consistency

The range of scores (95th - 5th percentile) for the Crucial CT8G4SFS8266.C8FD1 1x8GB is 20%. This is a relatively narrow range which indicates that the Crucial CT8G4SFS8266.C8FD1 1x8GB performs reasonably consistently under varying real world conditions.


Avg. 16 Core Mixed IO Bench 10.9GB/s
Avg. 1 Core Read Bench 11.5GB/s

Average Bench

(Based on 506 samples)
Min Avg Max
9.43 MC Read 15.7 17.8
9.27 MC Write 14.1 16.1
9 MC Mixed 10.9 12.2
38.8% 13.6 GB/s
Min Avg Max
4.5 SC Read 11.5 14.3
6.1 SC Write 13.4 17.6
6 SC Mixed 12.4 15
35.5% 12.4 GB/s
Min Avg Max
60 Latency 82.9 168
48.3% 82.9 ns
User Benchmarks Bench Multi core Single core Latency
The fastest RAM (mainstream) averages a speed of 100%
1 of 4 slots used
8GB SODIMM DDR4 clocked @ 2667 MHz
MC Read 17.1
MC Write 14.2
MC Mixed 11.4
41% 14.2 GB/s
SC Read 12.7
SC Write 15.1
SC Mixed 13.6
39% 13.8 GB/s
Latency 60.6
66% 60.6 ns
1 of 2 slots used
8GB SODIMM DDR4 clocked @ 2667 MHz
MC Read 16.8
MC Write 15
MC Mixed 11.6
41% 14.5 GB/s
SC Read 11.5
SC Write 18.4
SC Mixed 14.2
42% 14.7 GB/s
Latency 79
51% 79 ns
1 of 4 slots used
8GB DIMM DDR4 clocked @ 2667 MHz
MC Read 16.1
MC Write 14.5
MC Mixed 10.3
39% 13.6 GB/s
SC Read 12.7
SC Write 16.6
SC Mixed 13.2
40% 14.2 GB/s
Latency 80.3
50% 80.3 ns
506 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 47,632,813 RAM Kits tested.

Typical CT8G4SFS8266.C8FD1 1x8GB Builds (Compare 666 builds) See popular component choices, score breakdowns and rankings.
Gaming 27%
Desktop 81%
Aircraft carrier
Workstation 23%

System: Monster ABRA A5 V13.4


Popular CT8G4SFS8266.C8FD1 1x8GB systems:

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.

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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.
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Memory Kit Rankings (Price vs Performance) November 2021 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.


113 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 i5-12600K $295Nvidia RTX 3070 $500Crucial MX500 250GB $45
Intel Core i5-11600K $220Nvidia RTX 3060-Ti $400Samsung 860 Evo 250GB $52
Intel Core i7-11700K $315Nvidia RTX 3080 $700Samsung 850 Evo 120GB $183
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $76SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $38Corsair Vengeance LPX DDR4 3000 C15 2x8GB $74SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $71G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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