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Corsair

CMW16GX4M2A2666C16 2x8GB

▲ 500 ▼

Release date ≈ Q2 2018.

Average Bench: 77.2% (60th of 108)

Based on 6,923 user benchmarks.  Model: Corsair CMW16GX4M2A2666C16 2x8GB
Poor: 59%Average: 77.2% Great: 94%

Popular builds with this RAM

Good average bench

The Corsair CMW16GX4M2A2666C16 2x8GB averaged 22.7% 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 30.2GB/s
Avg. 16 Core Write Bench 28.3GB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Corsair CMW16GX4M2A2666C16 2x8GB is 34.7%. This is a relatively narrow range which indicates that the Corsair CMW16GX4M2A2666C16 2x8GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. 1 Core Read Bench 18.4GB/s
Avg. Physical RAM Latency 71.7ns
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Average Bench

(Based on 6,923 samples)
Rank 6077.2%
Min Avg Max
23.1 MC Read 30.2 37.3
18 MC Write 28.3 35.3
18.5 MC Mixed 23.9 31.4
78.5% 27.5 GB/s
Min Avg Max
12.7 SC Read 18.4 23.4
16.3 SC Write 27.2 35.5
14.8 SC Mixed 23.4 27.9
65.7% 23 GB/s
Min Avg Max
55.4 Latency 71.7 99.3
55.8% 71.7 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
87.8% Excellent
MC Read 34
MC Write 34.8
MC Mixed 25.2
90% 31.3 GB/s
SC Read 17.4
SC Write 33.7
SC Mixed 24.9
72% 25.3 GB/s
Latency 58.8
68% 58.8 ns
2 of 4 slots used
16GB DIMM DDR4 clocked @ 2666 MHz
83.9% Excellent
MC Read 31.1
MC Write 31.4
MC Mixed 25.6
84% 29.4 GB/s
SC Read 19.3
SC Write 32.6
SC Mixed 26.4
74% 26.1 GB/s
Latency 56.9
70% 56.9 ns
2 of 4 slots used
16GB DIMM DDR4 clocked @ 2667 MHz
83.7% Excellent
MC Read 32.2
MC Write 32.1
MC Mixed 23.4
84% 29.2 GB/s
SC Read 20.2
SC Write 32.4
SC Mixed 26.1
75% 26.2 GB/s
Latency 56.5
71% 56.5 ns
2 of 4 slots used
16GB DIMM DDR4 clocked @ 2666 MHz
82% Excellent
MC Read 33.2
MC Write 29.5
MC Mixed 23.8
82% 28.8 GB/s
SC Read 17.6
SC Write 33
SC Mixed 26.3
73% 25.6 GB/s
Latency 62.2
64% 62.2 ns
2 of 4 slots used
16GB DIMM DDR4 clocked @ 3000 MHz
81.2% Excellent
MC Read 32.3
MC Write 22.5
MC Mixed 32.3
83% 29 GB/s
SC Read 23.5
SC Write 21.7
SC Mixed 30.8
72% 25.3 GB/s
Latency 80.9
49% 80.9 ns
2 of 4 slots used
16GB DIMM DDR4 clocked @ 2666 MHz
78.4% Very good
MC Read 31.6
MC Write 28
MC Mixed 23.1
79% 27.6 GB/s
SC Read 18.2
SC Write 28.3
SC Mixed 24.5
68% 23.7 GB/s
Latency 59.2
68% 59.2 ns
2 of 2 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
76.2% Very good
MC Read 28.7
MC Write 29.4
MC Mixed 22.5
77% 26.9 GB/s
SC Read 14.9
SC Write 29.2
SC Mixed 23.2
64% 22.4 GB/s
Latency 60.2
66% 60.2 ns
2 of 4 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
76.1% Very good
MC Read 29.5
MC Write 29.6
MC Mixed 22.1
77% 27.1 GB/s
SC Read 17.1
SC Write 27.6
SC Mixed 22.1
64% 22.3 GB/s
Latency 66.2
60% 66.2 ns
6,923 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 21,826,314 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 29,366 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 - $130

CPU
Ryzen 5 2600AMD  $115Bench 76%, 266,289 samples7,805x
Ryzen 7 2700XAMD  $216Bench 82%, 226,151 samples6,662x
Ryzen 5 2600XAMD  $145Bench 79%, 131,163 samples5,724x
GPU
RX 580AMD  $160Bench 57%, 304,098 samples2,923x
GTX 1070Nvidia  $415Bench 78%, 677,712 samples2,433x
GTX 1060-6GBNvidia  $280Bench 57%, 752,541 samples2,403x
SSD
860 Evo 500GBSamsung  $60Bench 106%, 224,064 samples2,039x
970 Evo NVMe PCIe M.2 500GBSamsung  $80Bench 270%, 134,973 samples1,203x
970 Evo NVMe PCIe M.2 250GBSamsung  $71Bench 233%, 93,032 samples1,002x
RAM
CMW16GX4M2A2666C16 2x8GBCorsairBench 77%, 6,923 samples1x
EDIT WITH CUSTOM PC BUILDER Value: 80% - Very good Total price: $465

Popular CMW16GX4M2A2666C16 2x8GB compatible motherboards:

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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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Age: 17 months

Speed Comparisons

vs Corsair Vengeance LPX DDR4 3200 C16 2x8GB
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vs Corsair Vengeance LPX DDR4 2666 C16 2x8GB
vs G.SKILL Trident Z DDR4 3200 C16 2x8GB
vs Corsair Vengeance LPX DDR4 2133 C13 2x8GB
vs G.SKILL Ripjaws 4 DDR4 2400 C14 8x16GB
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 $145Nvidia GTX 1660S (Super) $244Crucial MX500 250GB $44
Intel Core i5-9600K $200Nvidia RTX 2060 $324Samsung 850 Evo 120GB $150
Intel Core i7-9700K $360AMD RX 590 $180Samsung 850 Pro 512GB $230
HDDRAMUSB
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $80SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $34Corsair Vengeance LPX DDR4 3000 C15 2x8GB $58SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $613SanDisk Extreme 16GB $24
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