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Corsair

CM4X32GE2666C18S2 2x31.5GB

▲ 500 ▼

Release date ≈ Q3 2020.

Average Bench: 78.2% (61st of 115)

Based on 306 user benchmarks.  Model: Corsair CM4X32GE2666C18S2 2x31.5GB
Poor: 48%Average: 78.2% Great: 87%

Popular builds with this RAM

Good average bench

The Corsair CM4X32GE2666C18S2 2x31.5GB averaged 21.7% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Corsair CM4X32GE2666C18S2 2x31.5GB near the top of the comparison list.

Strengths

Avg. 1 Core Write Bench 31.2GB/s
Avg. 16 Core Write Bench 29.7GB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Corsair CM4X32GE2666C18S2 2x31.5GB is 38.8%. This is a relatively wide range which indicates that the Corsair CM4X32GE2666C18S2 2x31.5GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Physical RAM Latency 105ns
Avg. 1 Core Read Bench 16.7GB/s
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Average Bench

(Based on 306 samples)
Rank 6178.2%
Min Avg Max
17.3 MC Read 29.3 33.8
12 MC Write 29.7 34.2
14.9 MC Mixed 26.1 29.6
81% 28.4 GB/s
Min Avg Max
5.88 SC Read 16.7 25.4
9.2 SC Write 31.2 37.5
7.6 SC Mixed 21.6 28.3
66.2% 23.2 GB/s
Min Avg Max
65.3 Latency 105 200
38% 105 ns
User Benchmarks BenchMulti coreSingle coreLatency
The fastest RAM (mainstream) averages a speed of 100%
2 of 4 slots used
63GB SODIMM DDR4 clocked @ 2667 MHz
81.5% Excellent
MC Read 30.5
MC Write 30.9
MC Mixed 25.8
83% 29.1 GB/s
SC Read 16.6
SC Write 33.6
SC Mixed 24.3
71% 24.8 GB/s
Latency 72.4
55% 72.4 ns
2 of 2 slots used
63GB SODIMM DDR4 clocked @ 2667 MHz
78.5% Very good
MC Read 30.3
MC Write 29.6
MC Mixed 27.1
83% 29 GB/s
SC Read 15.6
SC Write 34.2
SC Mixed 17.2
64% 22.3 GB/s
Latency 120
34% 120 ns
2 of 2 slots used
63GB SODIMM DDR4 clocked @ 2667 MHz
77.6% Very good
MC Read 29.3
MC Write 29.7
MC Mixed 27.3
82% 28.8 GB/s
SC Read 15.5
SC Write 32.3
SC Mixed 16.5
61% 21.4 GB/s
Latency 118
34% 118 ns
2 of 2 slots used
63GB SODIMM DDR4 clocked @ 2667 MHz
76.5% Very good
MC Read 32
MC Write 19.9
MC Mixed 31.1
79% 27.7 GB/s
SC Read 19.7
SC Write 19.4
SC Mixed 29.9
66% 23 GB/s
Latency 92.5
43% 92.5 ns
2 of 4 slots used
63GB SODIMM DDR4 clocked @ 2667 MHz
75% Very good
MC Read 27.7
MC Write 28
MC Mixed 23.7
76% 26.5 GB/s
SC Read 14.7
SC Write 31.8
SC Mixed 23.1
66% 23.2 GB/s
Latency 69.4
58% 69.4 ns
2 of 2 slots used
63GB SODIMM DDR4 clocked @ 2667 MHz
71.7% Very good
MC Read 27.9
MC Write 26
MC Mixed 25.8
76% 26.6 GB/s
SC Read 14
SC Write 29.3
SC Mixed 15.6
56% 19.6 GB/s
Latency 119
34% 119 ns
2 of 2 slots used
63GB SODIMM DDR4 clocked @ 2667 MHz
57.5% Above average
MC Read 20.4
MC Write 24.5
MC Mixed 19.9
62% 21.6 GB/s
SC Read 10.8
SC Write 20.1
SC Mixed 12
41% 14.3 GB/s
Latency 145
28% 145 ns
306 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 67,150,005 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 CM4X32GE2666C18S2 2x31.5GB Builds (Compare 518 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 103%
UFO
Desktop
Desktop 95%
Nuclear submarine
Workstation
Workstation 101%
UFO

System: Pcspecialist Standard

CPU
Core i7-11800HIntelBench 88%, 56,029 samples189x
Core i7-10875HIntelBench 79%, 35,361 samples127x
Ryzen 9 5900HXAMDBench 78%, 12,809 samples82x
GPU
RTX 3070 (Laptop)NvidiaBench 114%, 45,297 samples110x
RTX 3060 (Laptop)NvidiaBench 90%, 102,706 samples96x
UHD GraphicsIntelBench 7%, 53,008 samples85x
SSD
970 Evo Plus NVMe PCIe M.2 1TBSamsung  $95Bench 310%, 455,997 samples99x
670p NVMe PCIe M.2 1TBIntel  $75Bench 251%, 14,932 samples69x
970 Evo Plus NVMe PCIe M.2 2TBSamsung  $150Bench 336%, 200,600 samples48x
RAM
CM4X32GE2666C18S2 2x31.5GBCorsairBench 78%, 306 samples43x
EDIT WITH CUSTOM PC BUILDER Value: 118% - Outstanding Total price: $95

Popular CM4X32GE2666C18S2 2x31.5GB systems:

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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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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 $254Nvidia RTX 4060 $293Crucial MX500 250GB $39
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $175Nvidia RTX 4070 $550Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $45SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $32Corsair Vengeance LPX DDR4 3000 C15 2x8GB $45SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $62G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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