Average Bench: 123% (1st of 108)

Based on 20 user benchmarks.  Model: G.SKILL F3-2666C11-4G 4x4GB
Poor: 110%Average: 123% Great: 139%

Popular builds with this RAM

Outstanding average bench

The G.SKILL F3 DDR3 2666 C11 4x4GB averaged 22.6% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the G.SKILL F3 DDR3 2666 C11 4x4GB near the top of the comparison list.


Avg. 16 Core Write Bench 48.7GB/s
Avg. 16 Core Mixed IO Bench 48.1GB/s

Good consistency

The range of scores (95th - 5th percentile) for the G.SKILL F3 DDR3 2666 C11 4x4GB is 29.3%. This is a relatively narrow range which indicates that the G.SKILL F3 DDR3 2666 C11 4x4GB performs reasonably consistently under varying real world conditions.


Avg. 1 Core Mixed IO Bench 15.9GB/s
Avg. 1 Core Write Bench 16.3GB/s

Average Bench

(Based on 20 samples)
Min Avg Max
42 MC Read 47.4 60.1
35.2 MC Write 48.7 57.2
39.5 MC Mixed 48.1 55.9
137% 48.1 GB/s
Min Avg Max
16.7 SC Read 20.6 22.1
14.5 SC Write 16.3 17.1
13.8 SC Mixed 15.9 17.1
50.4% 17.6 GB/s
Min Avg Max
46.4 Latency 50 60.2
80.1% 50 ns
User Benchmarks Bench Multi core Single core Latency
The fastest RAM (mainstream) averages a speed of 100%
4 of 4 slots used
MC Read 59
MC Write 56.9
MC Mixed 56.9
165% 57.6 GB/s
SC Read 22
SC Write 16.6
SC Mixed 16.6
53% 18.4 GB/s
Latency 47.9
84% 47.9 ns
4 of 4 slots used
MC Read 56.3
MC Write 42.7
MC Mixed 55.8
147% 51.6 GB/s
SC Read 21.5
SC Write 17.1
SC Mixed 16.5
52% 18.4 GB/s
Latency 51.8
77% 51.8 ns
4 of 8 slots used
16GB DIMM DDR3 clocked @ 2400 MHz
MC Read 43.2
MC Write 35.2
MC Mixed 39.5
112% 39.3 GB/s
SC Read 16.7
SC Write 15.4
SC Mixed 13.8
44% 15.3 GB/s
Latency 60.2
66% 60.2 ns
20 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 20,391,266 RAM Kits tested.

Typical F3 DDR3 2666 C11 4x4GB Builds (Compare 278 builds) See popular component choices, score breakdowns and rankings.
Gaming 85%
Aircraft carrier
Desktop 67%
Battle cruiser
Workstation 48%

Motherboard: Gigabyte GA-G1.Assassin2

EDIT WITH CUSTOM PC BUILDER Value: 46% - Average Total price: $1,025

Popular F3 DDR3 2666 C11 4x4GB 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) 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 $57
Intel Core i5-9600K $240Nvidia GTX 1660-Ti $270Samsung 850 Evo 500GB $107
Intel Core i7-9700K $350Nvidia RTX 2060 $349Samsung 850 Pro 256GB $200
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $65SanDisk Extreme 64GB $88
Seagate Barracuda 3TB (2016) $83G.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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