Average Bench: 88.1% (30th of 108)

Based on 199 user benchmarks.  Model: G.SKILL F4-4000C19-8GTZKW 2x8GB

Very good average bench

The G.SKILL F4 DDR4 4000 C19 2x8GB averaged just 11.8% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the G.SKILL F4 DDR4 4000 C19 2x8GB near the top of the comparison list.

Strengths

Avg. 1 Core Write Bench 34.1GB/s
Avg. 16 Core Read Bench 33.8GB/s

Very poor consistency

The range of scores (95th - 5th percentile) for the G.SKILL F4 DDR4 4000 C19 2x8GB is 76.9%. This is a particularly wide range which indicates that the G.SKILL F4 DDR4 4000 C19 2x8GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 1 Core Read Bench 20.3GB/s
Avg. Physical RAM Latency 59.6ns
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Average Bench

(Based on 199 samples)
Min Avg Max
14.4 MC Read 33.8 49.3
14.3 MC Write 33.7 48.4
12.1 MC Mixed 25.5 37.6
88.6% 31 GB/s
Min Avg Max
12.8 SC Read 20.3 27.9
14.6 SC Write 34.1 50
14.3 SC Mixed 26.9 35.6
77.4% 27.1 GB/s
Min Avg Max
43.8 Latency 59.6 79.1
67.2% 59.6 ns
User Benchmarks Bench Multi core Single core Latency
The fastest RAM (mainstream) averages a speed of 100%
2 of 4 slots used
16GB DIMM DDR4 clocked @ 4000 MHz
MC Read 40.9
MC Write 46.7
MC Mixed 32.5
114% 40 GB/s
SC Read 23.1
SC Write 40.5
SC Mixed 27.5
87% 30.4 GB/s
Latency 54.9
73% 54.9 ns
2 of 4 slots used
16GB DIMM DDR4 3200 MHz clocked @ 1600 MHz
MC Read 43.7
MC Write 37.6
MC Mixed 37
113% 39.4 GB/s
SC Read 28.6
SC Write 40.8
SC Mixed 34
98% 34.5 GB/s
Latency 68.7
58% 68.7 ns
2 of 4 slots used
16GB DIMM DDR4 clocked @ 4000 MHz
MC Read 42.1
MC Write 43.8
MC Mixed 29.1
110% 38.3 GB/s
SC Read 22
SC Write 43
SC Mixed 32.3
93% 32.4 GB/s
Latency 49.6
81% 49.6 ns
2 of 4 slots used
16GB DIMM DDR4 3200 MHz clocked @ 1600 MHz
MC Read 43.5
MC Write 39.5
MC Mixed 36.3
114% 39.8 GB/s
SC Read 25.2
SC Write 30.9
SC Mixed 24.4
77% 26.8 GB/s
Latency 73.6
54% 73.6 ns
2 of 4 slots used
16GB DIMM DDR4 clocked @ 4000 MHz
MC Read 39
MC Write 40.1
MC Mixed 28.4
102% 35.8 GB/s
SC Read 21.1
SC Write 42.8
SC Mixed 30.8
90% 31.6 GB/s
Latency 49.1
82% 49.1 ns
2 of 4 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
MC Read 28.1
MC Write 26
MC Mixed 19.6
70% 24.6 GB/s
SC Read 17.2
SC Write 26.5
SC Mixed 21.9
62% 21.9 GB/s
Latency 60.2
66% 60.2 ns
199 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 16,462,403 RAM Kits tested.

Typical F4 DDR4 4000 C19 2x8GB Builds (Compare 17,238 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 121%
UFO
Desktop
Desktop 97%
Nuclear submarine
Workstation
Workstation 76%
Battleship

Motherboard: Asus STRIX Z270E GAMING - $244

EDIT WITH CUSTOM PC BUILDER Value: 97% - Outstanding Total price: $1,510

Popular F4 DDR4 4000 C19 2x8GB compatible motherboards:

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  • - CPU tests include: integer, floating and string.
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Memory Kit Rankings (Price vs Performance) May 2019 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

108 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 $356Nvidia GTX 1070 $314Samsung 850 Evo 250GB $92
AMD Ryzen 5 2600 $145Nvidia GTX 1060-6GB $208Samsung 850 Evo 500GB $99
AMD Ryzen 5 1600 $108Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $90SanDisk Extreme 64GB $128
WD Blue 1TB (2012) $40G.SKILL Trident Z DDR4 3200 C14 4x16GB $651SanDisk Extreme 32GB $48
Seagate Barracuda 3TB (2016) $73Corsair Vengeance LPX DDR4 3200 C16 2x8GB $85SanDisk Ultra Fit 32GB $12
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