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G.SKILL F4-4000C18Q-32GTZSW

F4 DDR4 4000 C18 4x8GB

▲ 500 ▼

Release date ≈ Q1 2017.

Average Bench: 102% (6th of 115)

Based on 160 user benchmarks.  Model: G.SKILL F4-4000C18-8GTZSW 4x8GB
Poor: 70%Average: 102% Great: 129%

Popular builds with this RAM

Outstanding average bench

The G.SKILL F4 DDR4 4000 C18 4x8GB averaged 2.1% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the G.SKILL F4 DDR4 4000 C18 4x8GB near the top of the comparison list.

Strengths

Avg. 16 Core Write Bench 39GB/s
Avg. 16 Core Read Bench 39GB/s

Below average consistency

The range of scores (95th - 5th percentile) for the G.SKILL F4 DDR4 4000 C18 4x8GB is 59.3%. This is a relatively wide range which indicates that the G.SKILL F4 DDR4 4000 C18 4x8GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 1 Core Read Bench 21.5GB/s
Avg. Physical RAM Latency 64.4ns
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Average Bench

(Based on 160 samples)
Rank 6102%
Min Avg Max
24.7 MC Read 39 53.8
25.4 MC Write 39 50.3
21.4 MC Mixed 32.9 46
106% 37 GB/s
Min Avg Max
10.7 SC Read 21.5 30.2
16.6 SC Write 35.8 54.4
13.4 SC Mixed 30.2 41.5
83.4% 29.2 GB/s
Min Avg Max
45.6 Latency 64.4 99.1
62.1% 64.4 ns
User Benchmarks BenchMulti coreSingle coreLatency
The fastest RAM (mainstream) averages a speed of 100%
4 of 8 slots used
32GB DIMM DDR4 clocked @ 4000 MHz
147% Outstanding
MC Read 56.2
MC Write 76.3
MC Mixed 44.8
169% 59.1 GB/s
SC Read 11
SC Write 27.4
SC Mixed 13.5
49% 17.3 GB/s
Latency 57.4
70% 57.4 ns
4 of 4 slots used
32GB DIMM DDR4 clocked @ 4000 MHz
118% Outstanding
MC Read 46.3
MC Write 44.1
MC Mixed 35.6
120% 42 GB/s
SC Read 22.3
SC Write 50.2
SC Mixed 33.2
101% 35.2 GB/s
Latency 46.5
86% 46.5 ns
4 of 4 slots used
32GB DIMM DDR4 clocked @ 3500 MHz
116% Outstanding
MC Read 42.9
MC Write 45.9
MC Mixed 34.6
118% 41.1 GB/s
SC Read 23.2
SC Write 51.7
SC Mixed 33.8
104% 36.2 GB/s
Latency 52.6
76% 52.6 ns
4 of 4 slots used
32GB DIMM DDR4 clocked @ 3600 MHz
101% Outstanding
MC Read 42.2
MC Write 26.9
MC Mixed 38.7
103% 35.9 GB/s
SC Read 32.7
SC Write 26.1
SC Mixed 36.2
90% 31.7 GB/s
Latency 63.8
63% 63.8 ns
4 of 4 slots used
32GB DIMM DDR4 clocked @ 3200 MHz
97% Outstanding
MC Read 36.7
MC Write 38
MC Mixed 28.5
98% 34.4 GB/s
SC Read 19.4
SC Write 41.9
SC Mixed 29.1
86% 30.1 GB/s
Latency 58
69% 58 ns
4 of 4 slots used
32GB DIMM DDR4 clocked @ 2133 MHz
72.8% Very good
MC Read 25.9
MC Write 28
MC Mixed 21.9
72% 25.3 GB/s
SC Read 17.2
SC Write 30.4
SC Mixed 22.7
67% 23.4 GB/s
Latency 63.7
63% 63.7 ns
4 of 4 slots used
32GB DIMM DDR4 clocked @ 2133 MHz
72.1% Very good
MC Read 26.4
MC Write 28.2
MC Mixed 22.7
74% 25.8 GB/s
SC Read 14.5
SC Write 27.5
SC Mixed 20.8
60% 20.9 GB/s
Latency 73.5
54% 73.5 ns
4 of 4 slots used
32GB DIMM DDR4 clocked @ 2133 MHz
63.9% Good
MC Read 26.6
MC Write 15.7
MC Mixed 25
64% 22.4 GB/s
SC Read 22.4
SC Write 15.7
SC Mixed 26
61% 21.4 GB/s
Latency 95.5
42% 95.5 ns
160 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 66,999,098 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 DDR4 4000 C18 4x8GB Builds (Compare 3,988 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 113%
UFO
Desktop
Desktop 96%
Nuclear submarine
Workstation
Workstation 103%
UFO

Motherboard: Asus ROG MAXIMUS X HERO (WI-FI AC) - $320

CPU
Core i7-8700KIntel  $186Bench 88%, 746,287 samples2,904x
Core i9-9900KIntel  $409Bench 98%, 354,223 samples265x
Core i7-8086KIntel  $399Bench 91%, 38,086 samples259x
GPU
GTX 1080-TiNvidia  $485Bench 124%, 840,268 samples867x
GTX 1080Nvidia  $400Bench 102%, 1,082,454 samples354x
RTX 3080-TiNvidia  $660Bench 204%, 155,335 samples261x
SSD
970 Evo NVMe PCIe M.2 1TBSamsung  $158Bench 297%, 331,647 samples273x
970 Evo NVMe PCIe M.2 500GBSamsung  $43Bench 273%, 381,216 samples188x
970 Evo Plus NVMe PCIe M.2 1TBSamsung  $76Bench 310%, 455,997 samples180x
RAM
F4 DDR4 4000 C18 4x8GBG.SKILLBench 102%, 160 samples1x
EDIT WITH CUSTOM PC BUILDER Value: 72% - Very good Total price: $1,149

Popular F4 DDR4 4000 C18 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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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 G.SKILL Trident Z DDR4 3600 C16 2x8GB
vs HyperX Fury DDR4 2133 C14 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 $279Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $134Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $184Nvidia RTX 4070 $409Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair 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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