Average Bench: 38.4% (108th of 113)

Based on 2 user benchmarks.  Model: Unknown F3-12800CL9-4GBXL Kingston 9905471-064.A00LF 0420 F3-12800CL9-4GBXL 16GB
Poor: 34%Average: 38.4% Great: 42%

Popular builds with this RAM

Poor average bench

The Unknown F3-12800CL9-4GBXL Kingston 9905471-064.A00LF 0420 F3-12800CL9-4GBXL 16GB averaged 61.5% 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 83.3ns
Avg. 16 Core Read Bench 13.7GB/s

Unknown consistency

There are too few samples to reasonably determine how consistently this RAM perfroms. This result should be interpreted with caution.


Avg. 1 Core Mixed IO Bench 10.9GB/s
Avg. 16 Core Mixed IO Bench 11.2GB/s

Average Bench

(Based on 2 samples)
Min Avg Max
11.6 MC Read 13.7 15.8
11.3 MC Write 13.5 15.7
8.9 MC Mixed 11.2 13.6
36.6% 12.8 GB/s
Min Avg Max
11.1 SC Read 11.2 11.4
12.6 SC Write 13.6 14.5
10.2 SC Mixed 10.9 11.6
34% 11.9 GB/s
Min Avg Max
61.8 Latency 83.3 105
48% 83.3 ns
User Benchmarks Bench Multi core Single core Latency
The fastest RAM (mainstream) averages a speed of 100%
1600, 1600, 1600 MHz
4096, 8192, 4096 MB
MC Read 15.8
MC Write 15.7
MC Mixed 13.6
43% 15 GB/s
SC Read 11.4
SC Write 14.5
SC Mixed 10.2
34% 12 GB/s
Latency 105
38% 105 ns
1600, 1600, 1600 MHz
4096, 8192, 4096 MB
MC Read 11.6
MC Write 11.3
MC Mixed 8.9
30% 10.6 GB/s
SC Read 11.1
SC Write 12.6
SC Mixed 11.6
34% 11.8 GB/s
Latency 61.8
65% 61.8 ns

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 45,623,700 RAM Kits tested.

Typical F3-12800CL9-4GBXL Kingston 9905471-064.A00LF 0420 F3-12800CL9-4GBXL 16GB Builds (Compare 148 builds) See popular component choices, score breakdowns and rankings.
Gaming 86%
Aircraft carrier
Desktop 89%
Aircraft carrier
Workstation 72%

Motherboard: Gigabyte GA-Z97X-Gaming G1 WIFI-BK - $250

EDIT WITH CUSTOM PC BUILDER Value: 59% - Above average Total price: $1,138

Popular F3-12800CL9-4GBXL Kingston 9905471-064.A00LF 0420 F3-12800CL9-4GBXL 16GB 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.
  • - 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.
  • - Compare your in-game FPS to other users with your hardware.
Memory Kit Rankings (Price vs Performance) September 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.
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Intel Core i7-11700K $350Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $183
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $78SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $78SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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