Average Bench: 93.6% (15th of 108)

Based on 969 user benchmarks.  Model: G.SKILL F4-2666C15-4GRR 4x4GB

Excellent average bench

The G.SKILL Ripjaws 4 DDR4 2666 C15 4x4GB averaged just 6.4% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the G.SKILL Ripjaws 4 DDR4 2666 C15 4x4GB near the top of the comparison list.

Strengths

Avg. 16 Core Write Bench 36.6GB/s
Avg. 16 Core Read Bench 35.7GB/s

Average consistency

The range of scores (95th - 5th percentile) for the G.SKILL Ripjaws 4 DDR4 2666 C15 4x4GB is 46.8%. This is a relatively wide range which indicates that the G.SKILL Ripjaws 4 DDR4 2666 C15 4x4GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 1 Core Read Bench 16.9GB/s
Avg. Physical RAM Latency 65.3ns
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Average Bench

(Based on 969 samples)
Min Avg Max
25.5 MC Read 35.7 45.5
23.4 MC Write 36.6 48.1
22 MC Mixed 32.1 41.6
99.4% 34.8 GB/s
Min Avg Max
11.9 SC Read 16.9 22.4
17.4 SC Write 25.9 37.5
16.4 SC Mixed 22.8 28.8
62.5% 21.9 GB/s
Min Avg Max
52.5 Latency 65.3 93
61.3% 65.3 ns
User Benchmarks Bench Multi core Single core Latency
The fastest RAM (mainstream) averages a speed of 100%
4 of 8 slots used
16GB DIMM 2400 MHz clocked @ 2667 MHz
MC Read 51.4
MC Write 54.3
MC Mixed 46.4
145% 50.7 GB/s
SC Read 20.4
SC Write 25.4
SC Mixed 27.8
70% 24.5 GB/s
Latency 47.5
84% 47.5 ns
4 of 8 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
MC Read 50.2
MC Write 43.8
MC Mixed 36.9
125% 43.6 GB/s
SC Read 18.2
SC Write 24.6
SC Mixed 24.9
64% 22.6 GB/s
Latency 63
64% 63 ns
4 of 8 slots used
16GB DIMM DDR4 2666 MHz clocked @ 2667 MHz
MC Read 44.7
MC Write 41.3
MC Mixed 40.6
121% 42.2 GB/s
SC Read 17.9
SC Write 24.3
SC Mixed 24.2
63% 22.1 GB/s
Latency 54.3
74% 54.3 ns
4 of 4 slots used
16GB DIMM DDR4 clocked @ 2400 MHz
MC Read 30.3
MC Write 32.4
MC Mixed 25.8
84% 29.5 GB/s
SC Read 18.6
SC Write 33.3
SC Mixed 25.6
74% 25.8 GB/s
Latency 61.2
65% 61.2 ns
969 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 16,462,403 RAM Kits tested.

Typical Ripjaws 4 DDR4 2666 C15 4x4GB Builds (Compare 4,780 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 123%
UFO
Desktop
Desktop 109%
UFO
Workstation
Workstation 97%
Nuclear submarine

Motherboard: Asus RAMPAGE V EXTREME - $339

EDIT WITH CUSTOM PC BUILDER Value: 95% - Outstanding Total price: $2,057

Popular Ripjaws 4 DDR4 2666 C15 4x4GB compatible motherboards:

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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.

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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.
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  • - Reports are generated and presented on userbenchmark.com.
  • - Identify the strongest components in your PC.
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Memory Kit Rankings (Price vs Performance) May 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]

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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.

 Comments

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.
CPUGPUSSD
Intel Core i7-8700K $356Nvidia GTX 1070 $314Samsung 850 Evo 250GB $92
AMD Ryzen 5 2600 $145Nvidia GTX 1060-6GB $208Samsung 850 Evo 500GB $99
AMD Ryzen 5 1600 $108Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $90SanDisk Extreme 64GB $128
WD Blue 1TB (2012) $40G.SKILL Trident Z DDR4 3200 C14 4x16GB $651SanDisk Extreme 32GB $48
Seagate Barracuda 3TB (2016) $73Corsair Vengeance LPX DDR4 3200 C16 2x8GB $85SanDisk Ultra Fit 32GB $12
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