Average Bench: 78.1% (57th of 108)

Based on 469 user benchmarks.  Model: Crucial CT4G4DFS824A.C8FF 2x4GB

Good average bench

The Crucial CT4G4DFS824A.C8FF 2x4GB averaged 21.8% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Crucial CT4G4DFS824A.C8FF 2x4GB near the top of the comparison list.


Avg. 16 Core Read Bench 29.7GB/s
Avg. 16 Core Write Bench 29.5GB/s

Poor consistency

The range of scores (95th - 5th percentile) for the Crucial CT4G4DFS824A.C8FF 2x4GB is 63.6%. This is a particularly wide range which indicates that the Crucial CT4G4DFS824A.C8FF 2x4GB performs inconsistently under varying real world conditions.


Avg. Physical RAM Latency 88.8ns
Avg. 1 Core Read Bench 18GB/s

Average Bench

(Based on 469 samples)
Min Avg Max
14 MC Read 29.7 38.2
8.2 MC Write 29.5 36
13.5 MC Mixed 25.8 32.8
80.9% 28.3 GB/s
Min Avg Max
7 SC Read 18 23.2
5 SC Write 27.6 36.3
8.5 SC Mixed 22 26.9
64.4% 22.5 GB/s
Min Avg Max
61.3 Latency 88.8 121
45% 88.8 ns
User Benchmarks Bench Multi core Single core Latency
The fastest RAM (mainstream) averages a speed of 100%
2 of 4 slots used
8GB DIMM DDR4 2800 MHz clocked @ 1400 MHz
MC Read 38.1
MC Write 33.4
MC Mixed 32
99% 34.5 GB/s
SC Read 22.2
SC Write 36.7
SC Mixed 26.8
82% 28.6 GB/s
Latency 86.9
46% 86.9 ns
2 of 2 slots used
8GB DIMM DDR4 clocked @ 2400 MHz
MC Read 35.1
MC Write 33.9
MC Mixed 30.1
94% 33 GB/s
SC Read 21.5
SC Write 32.5
SC Mixed 25.3
76% 26.4 GB/s
Latency 89.6
45% 89.6 ns
2 of 4 slots used
8GB DIMM DDR4 2666 MHz clocked @ 1333 MHz
MC Read 32.6
MC Write 33.4
MC Mixed 30.6
92% 32.2 GB/s
SC Read 21.5
SC Write 33.7
SC Mixed 25.4
77% 26.9 GB/s
Latency 88.9
45% 88.9 ns
2 of 2 slots used
8GB DIMM DDR4 2400 MHz clocked @ 1200 MHz
MC Read 33.4
MC Write 30.5
MC Mixed 29.8
89% 31.2 GB/s
SC Read 22.6
SC Write 30.9
SC Mixed 24.6
74% 26 GB/s
Latency 82
49% 82 ns
469 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 21,996,015 RAM Kits tested.

Typical CT4G4DFS824A.C8FF 2x4GB Builds (Compare 60 builds) See popular component choices, score breakdowns and rankings.
Gaming 19%
Desktop 63%
Workstation 33%
Sail boat

System: CMS 7200-5413A

EDIT WITH CUSTOM PC BUILDER Value: 69% - Good Total price: $138

Popular CT4G4DFS824A.C8FF 2x4GB systems:

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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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Memory Kit Rankings (Price vs Performance) December 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]


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.


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.
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Intel Core i7-9700K $369Nvidia GTX 1650S (Super) $160Samsung 850 Pro 512GB $230
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WD Blue 1TB (2012) $38Corsair Vengeance LPX DDR4 3000 C15 2x8GB $63SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $613SanDisk Extreme 16GB $24
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