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Corsair CMV8GX4M1A2666C18

ValueSelect DDR4 2666 C18 2x8GB

▲ 500 ▼

Release date ≈ Q4 2017.

Average Bench: 81.6% (52nd of 115)

Based on 830 user benchmarks.  Model: Corsair ValueSelect CMV8GX4M1A2666C18 2x8GB
Poor: 54%Average: 81.6% Great: 96%

Popular builds with this RAM

Very good average bench

The Corsair ValueSelect DDR4 2666 C18 2x8GB averaged just 18.4% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Corsair ValueSelect DDR4 2666 C18 2x8GB near the top of the comparison list.

Strengths

Avg. 16 Core Read Bench 31.8GB/s
Avg. 16 Core Write Bench 30.2GB/s

Average consistency

The range of scores (95th - 5th percentile) for the Corsair ValueSelect DDR4 2666 C18 2x8GB is 41.8%. This is a relatively wide range which indicates that the Corsair ValueSelect DDR4 2666 C18 2x8GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Physical RAM Latency 77.6ns
Avg. 1 Core Read Bench 18.9GB/s
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Average Bench

(Based on 830 samples)
Rank 5281.6%
Min Avg Max
19.6 MC Read 31.8 37.9
19.4 MC Write 30.2 35.9
17.2 MC Mixed 25.7 32.3
83.5% 29.2 GB/s
Min Avg Max
13.4 SC Read 18.9 24.1
17.9 SC Write 29.6 36.9
16.3 SC Mixed 24.3 29.7
69.4% 24.3 GB/s
Min Avg Max
58.4 Latency 77.6 106
51.6% 77.6 ns
User Benchmarks BenchMulti coreSingle coreLatency
The fastest RAM (mainstream) averages a speed of 100%
2 of 4 slots used
16GB DIMM DDR4 clocked @ 2667 MHz
88% Excellent
MC Read 34
MC Write 35
MC Mixed 25.1
90% 31.4 GB/s
SC Read 19.5
SC Write 35.5
SC Mixed 24.9
76% 26.6 GB/s
Latency 64.8
62% 64.8 ns
2 of 4 slots used
16GB DIMM DDR4 clocked @ 2667 MHz
86% Excellent
MC Read 32.3
MC Write 33.5
MC Mixed 24.8
86% 30.2 GB/s
SC Read 18.2
SC Write 35.6
SC Mixed 27.2
77% 27 GB/s
Latency 58.9
68% 58.9 ns
2 of 4 slots used
16GB DIMM DDR4 clocked @ 2666 MHz
84.1% Excellent
MC Read 33.4
MC Write 32.4
MC Mixed 23.4
85% 29.7 GB/s
SC Read 18.7
SC Write 34.1
SC Mixed 25.4
74% 26.1 GB/s
Latency 63.6
63% 63.6 ns
2 of 2 slots used
16GB DIMM DDR4 clocked @ 2667 MHz
80.8% Excellent
MC Read 35
MC Write 20.1
MC Mixed 30.3
81% 28.5 GB/s
SC Read 27.7
SC Write 19.6
SC Mixed 31.6
75% 26.3 GB/s
Latency 73.3
55% 73.3 ns
2 of 2 slots used
16GB DIMM DDR4 clocked @ 2666 MHz
80.5% Excellent
MC Read 31.3
MC Write 30.7
MC Mixed 23.9
82% 28.6 GB/s
SC Read 16.9
SC Write 32.9
SC Mixed 25.2
71% 25 GB/s
Latency 73.1
55% 73.1 ns
2 of 4 slots used
16GB DIMM DDR4 clocked @ 2666 MHz
68.1% Good
MC Read 27.4
MC Write 23.9
MC Mixed 20.2
68% 23.8 GB/s
SC Read 14.7
SC Write 26.8
SC Mixed 23
61% 21.5 GB/s
Latency 72.8
55% 72.8 ns
2 of 2 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
67.9% Good
MC Read 25.5
MC Write 25.7
MC Mixed 21
69% 24.1 GB/s
SC Read 16.7
SC Write 26.3
SC Mixed 21
61% 21.3 GB/s
Latency 85.1
47% 85.1 ns
2 of 4 slots used
16GB DIMM DDR4 clocked @ 2667 MHz
67.7% Good
MC Read 26.7
MC Write 23.9
MC Mixed 22
69% 24.2 GB/s
SC Read 13.9
SC Write 22.3
SC Mixed 20
54% 18.7 GB/s
Latency 71.1
56% 71.1 ns
830 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 66,997,594 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 ValueSelect DDR4 2666 C18 2x8GB Builds (Compare 12,036 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 28%
Raft
Desktop
Desktop 79%
Battleship
Workstation
Workstation 26%
Raft

Motherboard: Asus PRIME A320M-K - $70

CPU
Ryzen 5 2600AMD  $125Bench 73%, 179,588 samples1,461x
Ryzen 3 3200GAMD  $75Bench 63%, 104,122 samples1,304x
Ryzen 3 2200GAMD  $104Bench 60%, 181,631 samples1,006x
GPU
GTX 1050-TiNvidia  $59Bench 29%, 946,701 samples949x
RX 570AMD  $130Bench 45%, 473,685 samples734x
GTX 1650Nvidia  $155Bench 43%, 259,091 samples653x
SSD
A400 240GBKingston  $28Bench 66%, 424,288 samples715x
A400 480GBKingston  $38Bench 74%, 237,487 samples338x
Green 240GB (2018)WD  $42Bench 45%, 156,194 samples284x
RAM
ValueSelect DDR4 2666 C18 2x8GBCorsairBench 82%, 830 samples1x
EDIT WITH CUSTOM PC BUILDER Value: 89% - Excellent Total price: $282

Popular ValueSelect DDR4 2666 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
  • - RAM tests include: single/multi core bandwidth and latency
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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 $52
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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