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G.SKILL

F4-2666C DDR4 4x8GB

▲ 500 ▼

Release date ≈ Q1 2017.

Average Bench: 77.7% (61st of 115)

Based on 27 user benchmarks.  Model: G.SKILL F4-2666C 4x8GB
Poor: 63%Average: 77.7% Great: 95%

Popular builds with this RAM

Good average bench

The G.SKILL F4-2666C DDR4 4x8GB averaged 22.3% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the G.SKILL F4-2666C DDR4 4x8GB near the top of the comparison list.

Strengths

Avg. 16 Core Read Bench 30GB/s
Avg. 1 Core Write Bench 29.3GB/s

Above average consistency

The range of scores (95th - 5th percentile) for the G.SKILL F4-2666C DDR4 4x8GB is 31.1%. This is a relatively narrow range which indicates that the G.SKILL F4-2666C DDR4 4x8GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Physical RAM Latency 105ns
Avg. 1 Core Read Bench 19.5GB/s
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Average Bench

(Based on 27 samples)
Rank 6177.7%
Min Avg Max
23.5 MC Read 30 46.7
22.3 MC Write 27.6 41.4
21 MC Mixed 26.6 40.6
80.2% 28.1 GB/s
Min Avg Max
14.3 SC Read 19.5 28.8
18.9 SC Write 29.3 45.4
18.1 SC Mixed 23.6 34.2
69% 24.1 GB/s
Min Avg Max
68.4 Latency 105 134
38.1% 105 ns
User Benchmarks BenchMulti coreSingle coreLatency
The fastest RAM (mainstream) averages a speed of 100%
4 of 4 slots used
32GB DIMM DDR4 1067 MHz clocked @ 1333 MHz
96.8% Outstanding
MC Read 38.1
MC Write 34.4
MC Mixed 33.5
101% 35.3 GB/s
SC Read 23.2
SC Write 36.4
SC Mixed 27.6
83% 29.1 GB/s
Latency 90.6
44% 90.6 ns
4 of 4 slots used
32GB DIMM DDR4 1067 MHz clocked @ 1333 MHz
93.6% Outstanding
MC Read 36.9
MC Write 32.9
MC Mixed 32.2
97% 34 GB/s
SC Read 22.5
SC Write 36.3
SC Mixed 28.6
83% 29.1 GB/s
Latency 96.2
42% 96.2 ns
4 of 4 slots used
32GB DIMM DDR4 2133 MHz clocked @ 1333 MHz
92.9% Outstanding
MC Read 36.8
MC Write 32.9
MC Mixed 31.7
97% 33.8 GB/s
SC Read 22.5
SC Write 36.2
SC Mixed 27.4
82% 28.7 GB/s
Latency 99
40% 99 ns
4 of 4 slots used
32GB DIMM DDR4 2133 MHz clocked @ 1067 MHz
74.2% Very good
MC Read 28.1
MC Write 27
MC Mixed 25.1
76% 26.7 GB/s
SC Read 19.5
SC Write 28.8
SC Mixed 22.5
67% 23.6 GB/s
Latency 109
37% 109 ns
4 of 4 slots used
32GB DIMM DDR4 clocked @ 1067 MHz
73.9% Very good
MC Read 28.1
MC Write 27.3
MC Mixed 24.8
76% 26.7 GB/s
SC Read 18.9
SC Write 27.5
SC Mixed 22.5
66% 23 GB/s
Latency 110
36% 110 ns
4 of 4 slots used
32GB DIMM DDR4 clocked @ 2133 MHz
73.3% Very good
MC Read 27.7
MC Write 26.6
MC Mixed 25
76% 26.4 GB/s
SC Read 18.8
SC Write 27.9
SC Mixed 23.1
66% 23.3 GB/s
Latency 111
36% 111 ns
27 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 66,986,188 RAM Kits tested

Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money

CHOOSE A COMPONENT:

CPU GPU SSD HDD RAM MBD
Typical F4-2666C DDR4 4x8GB Builds (Compare 4,287 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 45%
Speed boat
Desktop
Desktop 77%
Battleship
Workstation
Workstation 41%
Speed boat

Motherboard: Asus PRIME B350-PLUS - $92

CPU
Ryzen 5 1600AMD  $110Bench 70%, 392,253 samples974x
Ryzen 7 1700AMD  $195Bench 69%, 144,475 samples416x
Ryzen 5 1600XAMD  $125Bench 74%, 140,440 samples388x
GPU
GTX 1060-6GBNvidia  $117Bench 56%, 1,368,019 samples490x
GTX 1070Nvidia  $132Bench 80%, 1,459,281 samples302x
GTX 1050-TiNvidia  $59Bench 29%, 946,701 samples277x
SSD
860 Evo 500GBSamsung  $80Bench 105%, 762,998 samples155x
850 Evo 250GBSamsung  $100Bench 103%, 951,591 samples151x
850 Evo 500GBSamsung  $109Bench 112%, 695,664 samples88x
RAM
F4-2666C DDR4 4x8GBG.SKILLBench 78%, 27 samples1x
EDIT WITH CUSTOM PC BUILDER Value: 83% - Excellent Total price: $399

Popular F4-2666C DDR4 4x8GB compatible motherboards:

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Welcome to our 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 value for money upgrades.

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  • - 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
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Memory Kit Rankings (Price vs Performance) April 2024 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.

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Speed Comparisons

vs Corsair Vengeance LPX DDR4 3200 C16 2x8GB
vs Corsair Vengeance LPX DDR4 3000 C15 2x8GB
vs G.SKILL Trident Z DDR4 3200 C14 4x16GB
vs HyperX Fury DDR4 2133 C14 2x8GB
vs G.SKILL Trident Z DDR4 3600 C16 2x8GB
vs Corsair Vengeance LPX DDR4 2666 C16 2x8GB
vs Corsair Vengeance LPX DDR4 2133 C13 2x8GB
vs G.SKILL Trident Z DDR4 3200 C16 2x8GB
vs G.SKILL Ripjaws 4 DDR4 2400 C14 8x16GB

115 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.

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 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $273Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $132Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $186Nvidia RTX 4070 $409Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $34Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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