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Corsair

CMW16GX4M2A2666C16 2x8GB

▲ 500 ▼

Release date ≈ Q2 2018.

Average Bench: 76.2% (64th of 108)

Based on 8,306 user benchmarks.  Model: Corsair CMW16GX4M2A2666C16 2x8GB
Poor: 49%Average: 76.2% Great: 94%

Popular builds with this RAM

Good average bench

The Corsair CMW16GX4M2A2666C16 2x8GB averaged 23.8% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Corsair CMW16GX4M2A2666C16 2x8GB near the top of the comparison list.

Strengths

Avg. 16 Core Read Bench 29.9GB/s
Avg. 16 Core Write Bench 27.7GB/s

Average consistency

The range of scores (95th - 5th percentile) for the Corsair CMW16GX4M2A2666C16 2x8GB is 45%. This is a relatively wide range which indicates that the Corsair CMW16GX4M2A2666C16 2x8GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 1 Core Read Bench 18.3GB/s
Avg. Physical RAM Latency 73.2ns
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Average Bench

(Based on 8,306 samples)
Rank 6476.2%
Min Avg Max
17.3 MC Read 29.9 37.6
16.3 MC Write 27.7 35.1
16.7 MC Mixed 23.7 31.1
77.4% 27.1 GB/s
Min Avg Max
12.3 SC Read 18.3 23.5
14 SC Write 26.6 35.4
13.6 SC Mixed 23.2 28.7
64.9% 22.7 GB/s
Min Avg Max
56 Latency 73.2 101
54.7% 73.2 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 @ 2666 MHz
95.9% Outstanding
MC Read 38.1
MC Write 34.9
MC Mixed 30.7
99% 34.6 GB/s
SC Read 24.7
SC Write 36.2
SC Mixed 28.6
85% 29.8 GB/s
Latency 78.5
51% 78.5 ns
2 of 4 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
74.5% Very good
MC Read 29
MC Write 28
MC Mixed 21.3
75% 26.1 GB/s
SC Read 17.9
SC Write 28
SC Mixed 22.9
66% 22.9 GB/s
Latency 63.2
63% 63.2 ns
2 of 4 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
72.1% Very good
MC Read 27.8
MC Write 26.8
MC Mixed 21
72% 25.2 GB/s
SC Read 17.3
SC Write 27.6
SC Mixed 22.6
64% 22.5 GB/s
Latency 64.8
62% 64.8 ns
2 of 4 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
67.4% Good
MC Read 24.9
MC Write 26.5
MC Mixed 20.7
69% 24 GB/s
SC Read 14.8
SC Write 24.6
SC Mixed 21.1
58% 20.2 GB/s
Latency 83.2
48% 83.2 ns
8,306 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 23,537,147 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 CMW16GX4M2A2666C16 2x8GB Builds (Compare 37,300 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 56%
Gunboat
Desktop
Desktop 72%
Battleship
Workstation
Workstation 60%
Destroyer

Motherboard: Asus ROG STRIX B450-F GAMING - $120

CPU
Ryzen 5 2600AMD  $120Bench 75%, 306,184 samples8,910x
Ryzen 7 2700XAMD  $164Bench 81%, 230,319 samples8,683x
Ryzen 5 2600XAMD  $137Bench 80%, 154,616 samples6,553x
GPU
RX 580AMD  $159Bench 57%, 323,374 samples3,585x
GTX 1070Nvidia  $346Bench 78%, 703,911 samples2,924x
GTX 1060-6GBNvidia  $277Bench 57%, 750,397 samples2,834x
SSD
860 Evo 500GBSamsung  $76Bench 108%, 258,156 samples2,489x
970 Evo NVMe PCIe M.2 500GBSamsung  $87Bench 274%, 148,715 samples1,448x
860 Evo 1TBSamsung  $137Bench 116%, 144,353 samples1,153x
RAM
CMW16GX4M2A2666C16 2x8GBCorsairBench 76%, 8,306 samples1x
EDIT WITH CUSTOM PC BUILDER Value: 76% - Very good Total price: $475

Popular CMW16GX4M2A2666C16 2x8GB compatible motherboards:

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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.

 Comments

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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 HyperX Fury DDR4 2133 C14 2x8GB
vs Corsair Vengeance LPX DDR4 2666 C16 2x8GB
vs G.SKILL Trident Z DDR4 3200 C16 2x8GB
vs G.SKILL Trident Z DDR4 3600 C16 2x8GB
vs Corsair Vengeance LPX DDR4 2133 C13 2x8GB
vs Corsair Dominator DDR4 3000 C15 4x16GB

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.

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 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-9400F $155Nvidia GTX 1660S (Super) $228Crucial MX500 250GB $48
Intel Core i5-9600K $219Nvidia GTX 1650S (Super) $160Samsung 850 Evo 120GB $78
Intel Core i7-9700K $370Nvidia RTX 2060 $332Samsung 850 Pro 512GB $204
HDDRAMUSB
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $80SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $63SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $640SanDisk Ultra Fit 32GB $16
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