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G.SKILL F4-4000C18D-16GTZR

F4 DDR4 4000 C18 2x8GB

▲ 500 ▼

Release date ≈ Q1 2017.

Average Bench: 96.2% (12th of 115)

Based on 1,410 user benchmarks.  Model: G.SKILL F4-4000C18-8GTZR 2x8GB
Poor: 63%Average: 96.2% Great: 130%

Popular builds with this RAM

Excellent average bench

The G.SKILL F4 DDR4 4000 C18 2x8GB averaged just 3.8% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the G.SKILL F4 DDR4 4000 C18 2x8GB near the top of the comparison list.

Strengths

Avg. 16 Core Read Bench 38.6GB/s
Avg. 16 Core Write Bench 33.6GB/s

Poor consistency

The range of scores (95th - 5th percentile) for the G.SKILL F4 DDR4 4000 C18 2x8GB is 67.6%. This is a particularly wide range which indicates that the G.SKILL F4 DDR4 4000 C18 2x8GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Physical RAM Latency 63.8ns
Avg. 1 Core Read Bench 23.6GB/s
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Average Bench

(Based on 1,410 samples)
Rank 1296.2%
Min Avg Max
24 MC Read 38.6 61.9
17.8 MC Write 33.6 48.9
18.7 MC Mixed 30.8 41.9
98% 34.3 GB/s
Min Avg Max
14.3 SC Read 23.6 33.7
16.2 SC Write 31.9 51.2
17.8 SC Mixed 32.2 42.8
83.5% 29.2 GB/s
Min Avg Max
44.8 Latency 63.8 95.1
62.7% 63.8 ns
User Benchmarks BenchMulti coreSingle coreLatency
The fastest RAM (mainstream) averages a speed of 100%
2 of 2 slots used
16GB DIMM DDR4 clocked @ 4000 MHz
111% Outstanding
MC Read 45.5
MC Write 42.5
MC Mixed 33.8
116% 40.6 GB/s
SC Read 20.2
SC Write 40.9
SC Mixed 26.8
84% 29.3 GB/s
Latency 56.2
71% 56.2 ns
2 of 4 slots used
16GB DIMM DDR4 clocked @ 4000 MHz
99.4% Outstanding
MC Read 40.6
MC Write 27.1
MC Mixed 38.4
101% 35.4 GB/s
SC Read 29.1
SC Write 27.1
SC Mixed 41.3
93% 32.5 GB/s
Latency 70.2
57% 70.2 ns
2 of 4 slots used
16GB DIMM DDR4 clocked @ 4000 MHz
99.3% Outstanding
MC Read 40.4
MC Write 27
MC Mixed 38.5
101% 35.3 GB/s
SC Read 29.1
SC Write 26.7
SC Mixed 41
92% 32.3 GB/s
Latency 67.8
59% 67.8 ns
2 of 4 slots used
16GB DIMM DDR4 clocked @ 4000 MHz
98.1% Outstanding
MC Read 39.2
MC Write 27
MC Mixed 38.3
100% 34.8 GB/s
SC Read 28.7
SC Write 26.9
SC Mixed 40.5
92% 32 GB/s
Latency 69
58% 69 ns
2 of 4 slots used
16GB DIMM DDR4 clocked @ 4000 MHz
92.7% Outstanding
MC Read 36.7
MC Write 27
MC Mixed 34.8
94% 32.8 GB/s
SC Read 27.7
SC Write 26.3
SC Mixed 40
90% 31.3 GB/s
Latency 79.1
51% 79.1 ns
2 of 4 slots used
16GB DIMM DDR4 clocked @ 2700 MHz
79.5% Very good
MC Read 30.6
MC Write 31.7
MC Mixed 21.6
80% 28 GB/s
SC Read 16.7
SC Write 31.9
SC Mixed 25.1
70% 24.6 GB/s
Latency 62.2
64% 62.2 ns
2 of 4 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
79.1% Very good
MC Read 31
MC Write 29.5
MC Mixed 27.9
84% 29.5 GB/s
SC Read 19.8
SC Write 16.1
SC Mixed 25.4
58% 20.4 GB/s
Latency 100
40% 100 ns
1,410 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 67,001,835 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 2x8GB Builds (Compare 7,461 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 STRIX Z370-F GAMING - $477

CPU
Core i7-8700KIntel  $186Bench 88%, 746,287 samples4,760x
Core i5-8600KIntel  $173Bench 91%, 264,837 samples1,042x
Core i7-8700Intel  $200Bench 87%, 349,567 samples478x
GPU
GTX 1080-TiNvidia  $485Bench 124%, 840,268 samples1,355x
GTX 1080Nvidia  $400Bench 102%, 1,082,454 samples809x
RTX 3080Nvidia  $910Bench 187%, 424,051 samples399x
SSD
970 Evo NVMe PCIe M.2 500GBSamsung  $43Bench 273%, 381,216 samples346x
970 Evo Plus NVMe PCIe M.2 1TBSamsung  $95Bench 310%, 455,997 samples295x
960 Evo NVMe PCIe M.2 500GBSamsung  $43Bench 213%, 165,668 samples281x
RAM
F4 DDR4 4000 C18 2x8GBG.SKILLBench 96%, 1,410 samples1x
EDIT WITH CUSTOM PC BUILDER Value: 73% - Very good Total price: $1,191

Popular F4 DDR4 4000 C18 2x8GB 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
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  • - 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 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 $46
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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