Average Bench: 117% (1st of 113)

Based on 149 user benchmarks.  Model: G.SKILL F4-4000C15-8GVK 4x8GB

Outstanding average bench

The G.SKILL Ripjaws V DDR4 4000 C15 4x8GB averaged 17.2% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the G.SKILL Ripjaws V DDR4 4000 C15 4x8GB near the top of the comparison list.


Avg. 16 Core Read Bench 48.5GB/s
Avg. 16 Core Write Bench 41.3GB/s

Very poor consistency

The range of scores (95th - 5th percentile) for the G.SKILL Ripjaws V DDR4 4000 C15 4x8GB is 72%. This is a particularly wide range which indicates that the G.SKILL Ripjaws V DDR4 4000 C15 4x8GB performs inconsistently under varying real world conditions.


Avg. Physical RAM Latency 61.8ns
Avg. 1 Core Read Bench 26GB/s

Average Bench

(Based on 149 samples)
Min Avg Max
26.9 MC Read 48.5 73.8
24.6 MC Write 41.3 55.4
23.1 MC Mixed 39 49.3
123% 43 GB/s
Min Avg Max
16.9 SC Read 26 34.2
16.2 SC Write 34.8 55.4
23.2 SC Mixed 35.6 47
91.7% 32.1 GB/s
Min Avg Max
43.2 Latency 61.8 91.1
64.7% 61.8 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 @ 3800 MHz
MC Read 62.2
MC Write 48.3
MC Mixed 47.8
151% 52.8 GB/s
SC Read 33.6
SC Write 28.9
SC Mixed 43.9
101% 35.5 GB/s
Latency 52.1
77% 52.1 ns
4 of 4 slots used
32GB DIMM DDR4 clocked @ 3666 MHz
MC Read 75
MC Write 40.8
MC Mixed 46.2
154% 54 GB/s
SC Read 29.9
SC Write 26.9
SC Mixed 34.8
87% 30.5 GB/s
Latency 64.9
62% 64.9 ns
4 of 4 slots used
32GB DIMM DDR4 clocked @ 3600 MHz
MC Read 42
MC Write 27.1
MC Mixed 41.7
106% 36.9 GB/s
SC Read 29.5
SC Write 22.7
SC Mixed 41.6
89% 31.3 GB/s
Latency 72.4
55% 72.4 ns
149 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 45,891,257 RAM Kits tested.

Typical Ripjaws V DDR4 4000 C15 4x8GB Builds (Compare 19,016 builds) See popular component choices, score breakdowns and rankings.
Gaming 177%
Desktop 95%
Nuclear submarine
Workstation 204%

Motherboard: Gigabyte X570 AORUS MASTER - $350

EDIT WITH CUSTOM PC BUILDER Value: 74% - Very good Total price: $1,653

Popular Ripjaws V DDR4 4000 C15 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.


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) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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