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Crucial

CT4G4SFS8266.M8FF 2x4GB

▲ 500 ▼

Release date ≈ Q1 2020.

Average Bench: 70% (81st of 115)

Based on 50 user benchmarks.  Model: Crucial CT4G4SFS8266.M8FF 2x4GB
Poor: 31%Average: 70% Great: 86%

Popular builds with this RAM

Above average average bench

The Crucial CT4G4SFS8266.M8FF 2x4GB averaged 30.0% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.

Strengths

Avg. 16 Core Write Bench 28.5GB/s
Avg. 16 Core Read Bench 26.1GB/s

Below average consistency

The range of scores (95th - 5th percentile) for the Crucial CT4G4SFS8266.M8FF 2x4GB is 55%. This is a relatively wide range which indicates that the Crucial CT4G4SFS8266.M8FF 2x4GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Physical RAM Latency 103ns
Avg. 1 Core Read Bench 14GB/s
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Average Bench

(Based on 50 samples)
Rank 8170%
Min Avg Max
6.3 MC Read 26.1 36.5
7.8 MC Write 28.5 48.9
6.6 MC Mixed 21.4 31.1
72.4% 25.3 GB/s
Min Avg Max
3 SC Read 14 20.8
4.6 SC Write 25.6 37
4.3 SC Mixed 19.7 27.2
56.4% 19.8 GB/s
Min Avg Max
59.1 Latency 103 271
38.8% 103 ns
User Benchmarks Bench Multi core Single core Latency
The fastest RAM (mainstream) averages a speed of 100%
2 of 2 slots used
8GB SODIMM DDR4 clocked @ 2667 MHz
76% Very good
MC Read 29.9
MC Write 29.1
MC Mixed 21.9
77% 27 GB/s
SC Read 16.7
SC Write 29.6
SC Mixed 22.6
66% 23 GB/s
Latency 70
57% 70 ns
2 of 2 slots used
8GB SODIMM DDR4 clocked @ 2667 MHz
75.8% Very good
MC Read 29.1
MC Write 28.7
MC Mixed 22.2
76% 26.7 GB/s
SC Read 16.3
SC Write 29.6
SC Mixed 23.7
66% 23.2 GB/s
Latency 64.2
62% 64.2 ns
2 of 2 slots used
8GB SODIMM DDR4 2667 MHz clocked @ 2400 MHz
65.4% Good
MC Read 24.9
MC Write 25.7
MC Mixed 22.4
70% 24.3 GB/s
SC Read 17.4
SC Write 19.1
SC Mixed 15
49% 17.2 GB/s
Latency 125
32% 125 ns
2 of 2 slots used
8GB SODIMM DDR4 2667 MHz clocked @ 2400 MHz
61.3% Good
MC Read 23.1
MC Write 24.5
MC Mixed 20.8
65% 22.8 GB/s
SC Read 9.8
SC Write 18.3
SC Mixed 14.7
41% 14.3 GB/s
Latency 95.3
42% 95.3 ns
2 of 2 slots used
8GB SODIMM DDR4 2667 MHz clocked @ 2400 MHz
61.1% Good
MC Read 23.3
MC Write 24.9
MC Mixed 20.4
65% 22.9 GB/s
SC Read 9.9
SC Write 18.5
SC Mixed 14.2
41% 14.2 GB/s
Latency 106
38% 106 ns
2 of 2 slots used
8GB SODIMM DDR4 2667 MHz clocked @ 2133 MHz
31.7% Below average
MC Read 11.4
MC Write 14.7
MC Mixed 10.9
35% 12.3 GB/s
SC Read 3.8
SC Write 8.8
SC Mixed 5.2
17% 5.93 GB/s
Latency 271
15% 271 ns
50 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 61,254,863 RAM Kits tested.

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Typical CT4G4SFS8266.M8FF 2x4GB Builds (Compare 467 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 10%
Tree trunk
Desktop
Desktop 56%
Gunboat
Workstation
Workstation 10%
Tree trunk

System: Dell Inspiron 7570

CPU
Core i7-8550UIntelBench 53%, 184,356 samples354x
Core i5-8250UIntelBench 53%, 234,942 samples113x
GPU
UHD Graphics 620 (Mobile Kaby Lake R)IntelBench 5%, 420,154 samples324x
940MXNvidiaBench 9%, 36,213 samples102x
MX130NvidiaBench 9%, 14,117 samples41x
SSD
XG5 NVMe PCIe M.2 512GBToshiba  $31Bench 145%, 33,719 samples49x
1100 SATA 256GBMicronBench 73%, 16,265 samples27x
hynix SC311 SATA 128GBSKBench 65%, 20,313 samples25x
RAM
CT4G4SFS8266.M8FF 2x4GBCrucialBench 70%, 50 samples1x
EDIT WITH CUSTOM PC BUILDER Value: 76% - Very good Total price: $31

Popular CT4G4SFS8266.M8FF 2x4GB systems:

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  • - Drive tests include: read, write, sustained write and mixed IO.
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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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 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $300Nvidia RTX 3060 $280Crucial MX500 250GB $25
Intel Core i5-12600K $224Nvidia RTX 3060-Ti $300Samsung 850 Evo 120GB $86
Intel Core i5-12400F $150Nvidia RTX 4070-Ti $780Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $45SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $30Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $67G.SKILL Trident Z DDR4 3200 C14 4x16GB $381SanDisk Ultra Fit 32GB $16
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