Average Bench: 47.4% (99th of 113)

Based on 4,017 user benchmarks.  Model: G.SKILL F3-10666CL9-4GBNT 2x4GB

Below average average bench

The G.SKILL Value DDR3 1333 C9 2x4GB averaged 52.5% 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 76.7ns
Avg. 16 Core Write Bench 16.9GB/s

Good consistency

The range of scores (95th - 5th percentile) for the G.SKILL Value DDR3 1333 C9 2x4GB is 26.8%. This is a relatively narrow range which indicates that the G.SKILL Value DDR3 1333 C9 2x4GB performs reasonably consistently under varying real world conditions.


Avg. 1 Core Read Bench 12.8GB/s
Avg. 1 Core Mixed IO Bench 14.3GB/s

Average Bench

(Based on 4,017 samples)
Min Avg Max
8.9 MC Read 16.7 19.1
8.3 MC Write 16.9 19.6
8 MC Mixed 15.3 17.2
46.5% 16.3 GB/s
Min Avg Max
7 SC Read 12.8 16
6.81 SC Write 14.7 19.4
7.47 SC Mixed 14.3 17.7
39.8% 13.9 GB/s
Min Avg Max
62.7 Latency 76.7 102
52.1% 76.7 ns
User Benchmarks Bench Multi core Single core Latency
The fastest RAM (mainstream) averages a speed of 100%
2 of 4 slots used
8GB DIMM DDR3 clocked @ 1333 MHz
MC Read 18
MC Write 18.6
MC Mixed 16.6
51% 17.7 GB/s
SC Read 14.6
SC Write 14
SC Mixed 15.6
42% 14.7 GB/s
Latency 75.2
53% 75.2 ns
2 of 2 slots used
8GB DIMM DDR3 1333 MHz
MC Read 17.8
MC Write 17.5
MC Mixed 15.8
49% 17 GB/s
SC Read 14.5
SC Write 17.3
SC Mixed 15.5
45% 15.8 GB/s
Latency 63
64% 63 ns
2 of 4 slots used
8GB DIMM DDR3 clocked @ 1333 MHz
MC Read 16.5
MC Write 17.5
MC Mixed 15.9
48% 16.6 GB/s
SC Read 8
SC Write 8.1
SC Mixed 10.3
25% 8.8 GB/s
Latency 133
30% 133 ns
4,017 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 43,341,500 RAM Kits tested.

Typical Value DDR3 1333 C9 2x4GB Builds (Compare 960 builds) See popular component choices, score breakdowns and rankings.
Gaming 44%
Speed boat
Desktop 80%
Workstation 35%
Sail boat

Motherboard: Asrock H77 Pro4/MVP - $164

EDIT WITH CUSTOM PC BUILDER Value: 43% - Average Total price: $529

Popular Value DDR3 1333 C9 2x4GB 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) June 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 i5-11400F $220Nvidia RTX 3070 $500Crucial MX500 250GB $45
Intel Core i5-11600K $259Nvidia RTX 3060-Ti $400Samsung 850 Evo 120GB $78
Intel Core i7-10700K $277Nvidia RTX 3080 $700Samsung 860 Evo 250GB $52
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $94SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
Today's hottest deals
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer  •  YouTube Feedback