Average Bench: 114% (1st of 113)

Based on 298 user benchmarks.  Model: G.SKILL F4-4133C17-8GTZR 4x8GB

Outstanding average bench

The G.SKILL F4 DDR4 4133 C17 4x8GB averaged 13.8% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the G.SKILL F4 DDR4 4133 C17 4x8GB near the top of the comparison list.


Avg. 16 Core Write Bench 45.7GB/s
Avg. 16 Core Read Bench 43.4GB/s

Poor consistency

The range of scores (95th - 5th percentile) for the G.SKILL F4 DDR4 4133 C17 4x8GB is 61.3%. This is a particularly wide range which indicates that the G.SKILL F4 DDR4 4133 C17 4x8GB performs inconsistently under varying real world conditions.


Avg. 1 Core Read Bench 21.2GB/s
Avg. Physical RAM Latency 58.1ns

Average Bench

(Based on 298 samples)
Min Avg Max
25.6 MC Read 43.4 51.7
27.2 MC Write 45.7 62.3
21.8 MC Mixed 35.2 45.3
118% 41.5 GB/s
Min Avg Max
7.9 SC Read 21.2 28.4
21.2 SC Write 41.7 54.4
10.8 SC Mixed 30.1 40.4
88.6% 31 GB/s
Min Avg Max
43 Latency 58.1 86.5
68.8% 58.1 ns
User Benchmarks Bench Multi core Single core Latency
The fastest RAM (mainstream) averages a speed of 100%
4 of 4 slots used
32GB DIMM DDR4 clocked @ 4133 MHz
MC Read 49
MC Write 50.1
MC Mixed 37
130% 45.4 GB/s
SC Read 23.5
SC Write 49.1
SC Mixed 33.7
101% 35.4 GB/s
Latency 49.2
81% 49.2 ns
4 of 4 slots used
32GB DIMM DDR4 clocked @ 2133 MHz
MC Read 49.9
MC Write 27.7
MC Mixed 28.6
101% 35.4 GB/s
SC Read 22.4
SC Write 15.9
SC Mixed 27.8
63% 22 GB/s
Latency 87.1
46% 87.1 ns
4 of 4 slots used
32GB DIMM DDR4 clocked @ 2133 MHz
MC Read 25.4
MC Write 27.8
MC Mixed 21.6
71% 24.9 GB/s
SC Read 17.5
SC Write 29.6
SC Mixed 22.7
66% 23.3 GB/s
Latency 68.8
58% 68.8 ns
298 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 45,817,035 RAM Kits tested.

Typical F4 DDR4 4133 C17 4x8GB Builds (Compare 12,465 builds) See popular component choices, score breakdowns and rankings.
Gaming 168%
Desktop 102%
Workstation 167%

Motherboard: Gigabyte GIGABYTE Z390 AORUS Ultra - $493

EDIT WITH CUSTOM PC BUILDER Value: 46% - Average Total price: $2,373

Popular F4 DDR4 4133 C17 4x8GB 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.


Added n/a ago.


2 years ago.

Grate performance RAM. I "only" got 4300MHz out of it, because my IMC was limiting. With a good CPU you can get 4400 or even 4500 out of it with 1.55V. But I think the F4-4266C17 is a bit better with the volts, so if you have the money go for that.

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 i5-11600K $270Nvidia RTX 3060-Ti $400Crucial MX500 250GB $45
Intel Core i5-11400F $260Nvidia RTX 3070 $500Samsung 860 Evo 250GB $52
Intel Core i7-11700K $380Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $183
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $74SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $77SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $72G.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