Average Bench: 96.4% (12th of 104)

Based on 509 user benchmarks.  Model: G.SKILL F4-2666C15-4GRR 4x4GB

Excellent average bench

The G.SKILL Ripjaws 4 DDR4 2666 C15 4x4GB averaged just 3.6% 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 38.4GB/s
Avg. 16 Core Read Bench 36.8GB/s

Below average consistency

The range of scores (95th - 5th percentile) for the G.SKILL Ripjaws 4 DDR4 2666 C15 4x4GB is 50.4%. 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 16.3GB/s
Avg. Physical RAM Latency 64.9ns
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Average Bench

(Based on 509 samples)
Min Avg Max
26 MC Read 36.8 46.1
22.1 MC Write 38.4 53.2
22.5 MC Mixed 33.6 42.3
104% 36.3 GB/s
Min Avg Max
10.2 SC Read 16.3 22
16.6 SC Write 24.1 37.5
16 SC Mixed 22.1 28.8
59.4% 20.8 GB/s
Min Avg Max
52.6 Latency 64.9 85.6
61.6% 64.9 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 DDR4 clocked @ 2133 MHz
MC Read 38.2
MC Write 40.5
MC Mixed 35.8
109% 38.2 GB/s
SC Read 14.6
SC Write 18.4
SC Mixed 20.5
51% 17.8 GB/s
Latency 65.9
61% 65.9 ns
4 of 8 slots used
16GB DIMM 2667 MHz clocked @ 2133 MHz
MC Read 37
MC Write 40.2
MC Mixed 34.1
106% 37.1 GB/s
SC Read 13.8
SC Write 17.9
SC Mixed 18.5
48% 16.7 GB/s
Latency 66.2
60% 66.2 ns
4 of 8 slots used
16GB DIMM 2667 MHz clocked @ 2133 MHz
MC Read 36.3
MC Write 39.9
MC Mixed 33.8
105% 36.7 GB/s
SC Read 13.8
SC Write 18.2
SC Mixed 18.2
48% 16.7 GB/s
Latency 67.7
59% 67.7 ns
4 of 4 slots used
16GB DIMM DDR4 2133 MHz clocked @ 2400 MHz
MC Read 30.7
MC Write 32.6
MC Mixed 27.7
87% 30.3 GB/s
SC Read 18.8
SC Write 32
SC Mixed 25.5
73% 25.4 GB/s
Latency 61.7
65% 61.7 ns
509 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 9,140,094 RAM Kits tested.

Typical Ripjaws 4 DDR4 2666 C15 4x4GB Builds (Compare 3,760 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 110%
UFO
Desktop
Desktop 107%
UFO
Workstation
Workstation 93%
Nuclear submarine

Motherboard: Asus RAMPAGE V EXTREME - $339

EDIT WITH CUSTOM PC BUILDER Value: 89% - Excellent Total price: $1,978

Popular Ripjaws 4 DDR4 2666 C15 4x4GB compatible motherboards:

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How it works

  • - Download and run UserBenchMark.
  • - CPU tests include: integer, floating and string.
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  • - Drive tests include: read, write, sustained write and mixed IO.
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  • - Reports are generated and presented on userbenchmark.com.
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Memory Kit Rankings (Price vs Performance) July 2018 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.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.
  • Best value for money - Value for money is based on real world performance and price per GB.

 Comments

104 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 $320Nvidia GTX 1070 $413Samsung 850 Evo 250GB $85
AMD Ryzen 5 1600 $160Nvidia GTX 1060-6GB $290Samsung 850 Evo 500GB $121
Intel Core i7-7700K $300AMD RX 480 $280Samsung 850 Pro 256GB $162
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $166SanDisk Extreme 64GB $44
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $951SanDisk Extreme 32GB $46
Seagate Barracuda 2TB (2016) $59HyperX Fury DDR4 2133 C14 2x8GB $219SanDisk Ultra Fit 32GB $12
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