Average Bench: 95.8% (14th of 105)

Based on 628 user benchmarks.  Model: G.SKILL F4-2666C15-4GRR 4x4GB

Excellent average bench

The G.SKILL Ripjaws 4 DDR4 2666 C15 4x4GB averaged just 4.1% 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 38.1GB/s
Avg. 16 Core Read Bench 36.6GB/s

Average consistency

The range of scores (95th - 5th percentile) for the G.SKILL Ripjaws 4 DDR4 2666 C15 4x4GB is 49.9%. 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 65.2ns
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Average Bench

(Based on 628 samples)
Min Avg Max
25.9 MC Read 36.6 45.8
22.8 MC Write 38.1 53.2
22.4 MC Mixed 33.3 41.8
103% 36 GB/s
Min Avg Max
10.3 SC Read 16.3 22
17 SC Write 24.2 37.4
16 SC Mixed 22.1 28.8
59.7% 20.9 GB/s
Min Avg Max
52.6 Latency 65.2 89.2
61.4% 65.2 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 2400 MHz clocked @ 2667 MHz
MC Read 44.7
MC Write 43.6
MC Mixed 41.8
124% 43.4 GB/s
SC Read 16.5
SC Write 21.7
SC Mixed 24.1
59% 20.8 GB/s
Latency 55
73% 55 ns
4 of 8 slots used
16GB DIMM DDR4 2400 MHz clocked @ 2667 MHz
MC Read 43.6
MC Write 43.6
MC Mixed 41.7
123% 43 GB/s
SC Read 16
SC Write 21.7
SC Mixed 22.4
57% 20 GB/s
Latency 55.8
72% 55.8 ns
4 of 8 slots used
16GB DIMM DDR4 2667 MHz clocked @ 2666 MHz
MC Read 41.6
MC Write 42.2
MC Mixed 40.4
118% 41.4 GB/s
SC Read 17.7
SC Write 26.4
SC Mixed 24.3
65% 22.8 GB/s
Latency 52.3
76% 52.3 ns
4 of 8 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
MC Read 46.7
MC Write 40.8
MC Mixed 37.7
119% 41.7 GB/s
SC Read 15.5
SC Write 18.8
SC Mixed 21
53% 18.4 GB/s
Latency 64.1
62% 64.1 ns
4 of 8 slots used
16GB DIMM DDR4 2133 MHz clocked @ 2400 MHz
MC Read 41.8
MC Write 41.3
MC Mixed 38.7
116% 40.6 GB/s
SC Read 17.5
SC Write 23.2
SC Mixed 23.6
61% 21.4 GB/s
Latency 58.1
69% 58.1 ns
4 of 8 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
MC Read 38.9
MC Write 41.8
MC Mixed 36.2
111% 39 GB/s
SC Read 14.3
SC Write 17.9
SC Mixed 20.3
50% 17.5 GB/s
Latency 64.9
62% 64.9 ns
4 of 8 slots used
16GB DIMM clocked @ 2133 MHz
MC Read 37.6
MC Write 39.7
MC Mixed 34.4
106% 37.2 GB/s
SC Read 14.8
SC Write 19.2
SC Mixed 20.3
52% 18.1 GB/s
Latency 64.6
62% 64.6 ns
4 of 8 slots used
16GB DIMM clocked @ 2133 MHz
MC Read 37.6
MC Write 39.8
MC Mixed 34.4
106% 37.3 GB/s
SC Read 15.3
SC Write 19.4
SC Mixed 19.2
51% 18 GB/s
Latency 77
52% 77 ns
4 of 4 slots used
16GB DIMM DDR4 clocked @ 2666 MHz
MC Read 30
MC Write 36.8
MC Mixed 30.6
93% 32.5 GB/s
SC Read 16.6
SC Write 37.5
SC Mixed 27.6
78% 27.2 GB/s
Latency 58.8
68% 58.8 ns
628 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 10,958,037 RAM Kits tested.

Typical Ripjaws 4 DDR4 2666 C15 4x4GB Builds (Compare 3,279 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: 100% - Outstanding Total price: $1,932

Popular Ripjaws 4 DDR4 2666 C15 4x4GB compatible motherboards:

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  • - CPU tests include: integer, floating and string.
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Memory Kit Rankings (Price vs Performance) October 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.
  • 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

105 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 $370Nvidia GTX 1070 $350Samsung 850 Evo 250GB $100
AMD Ryzen 5 1600 $155Nvidia GTX 1060-6GB $249Samsung 850 Evo 500GB $110
Intel Core i7-7700K $355AMD RX 480 $280Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $147SanDisk Extreme 64GB $42
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $869SanDisk Extreme 32GB $30
Seagate Barracuda 2TB (2016) $55Corsair Vengeance LPX DDR4 3200 C16 2x8GB $145SanDisk Ultra Fit 32GB $12
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