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Corsair

CMW16GX4M2A2666C16 2x8GB

▲ 500 ▼

Release date ≈ Q2 2018.

VS

Average Bench: 78% (60th of 108)

Based on 3,805 user benchmarks.  Model: Corsair CMW16GX4M2A2666C16 2x8GB
Poor: 50%Average: 78% Great: 95%

Popular builds with this RAM

Good average bench

The Corsair CMW16GX4M2A2666C16 2x8GB averaged 22.0% 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 30.4GB/s
Avg. 16 Core Write Bench 29GB/s

Average consistency

The range of scores (95th - 5th percentile) for the Corsair CMW16GX4M2A2666C16 2x8GB is 44.5%. 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 18.5GB/s
Avg. Physical RAM Latency 72.1ns
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Average Bench

(Based on 3,805 samples)
Rank 6078%
Min Avg Max
17.7 MC Read 30.4 37.8
16.5 MC Write 29 35.5
14.9 MC Mixed 23.9 31.5
79.3% 27.8 GB/s
Min Avg Max
12.5 SC Read 18.5 23.7
14.8 SC Write 28 36.1
13.9 SC Mixed 23.3 27.6
66.5% 23.3 GB/s
Min Avg Max
55.8 Latency 72.1 99.8
55.5% 72.1 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
95.1% Outstanding
MC Read 37.8
MC Write 35
MC Mixed 30.1
98% 34.3 GB/s
SC Read 24.3
SC Write 35.5
SC Mixed 27.4
83% 29.1 GB/s
Latency 74.6
54% 74.6 ns
2 of 4 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
75.9% Very good
MC Read 29.6
MC Write 25.9
MC Mixed 26.3
78% 27.3 GB/s
SC Read 20.1
SC Write 26.8
SC Mixed 22.3
66% 23.1 GB/s
Latency 87.4
46% 87.4 ns
2 of 4 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
74.3% Very good
MC Read 29.6
MC Write 25.5
MC Mixed 26.2
78% 27.1 GB/s
SC Read 18.5
SC Write 23.1
SC Mixed 20.8
59% 20.8 GB/s
Latency 89.2
45% 89.2 ns
2 of 4 slots used
16GB DIMM DDR4 2666 MHz clocked @ 1333 MHz
70.6% Very good
MC Read 33.6
MC Write 19
MC Mixed 24.1
73% 25.6 GB/s
SC Read 21.9
SC Write 19.3
SC Mixed 17.9
56% 19.7 GB/s
Latency 81.8
49% 81.8 ns
2 of 2 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
60% Above average
MC Read 24
MC Write 22.2
MC Mixed 18.3
61% 21.5 GB/s
SC Read 12.6
SC Write 16.9
SC Mixed 15.4
43% 15 GB/s
Latency 68
59% 68 ns
3,805 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 17,167,650 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 14,153 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 69%
Battle cruiser
Desktop
Desktop 81%
Aircraft carrier
Workstation
Workstation 73%
Battleship

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

CPU
Ryzen 5 2600AMD  $143Bench 88%, 149,656 samples4,676x
Ryzen 7 2700XAMD  $274Bench 99%, 128,910 samples3,355x
Ryzen 5 2600XAMD  $174Bench 93%, 74,477 samples3,175x
GPU
RX 580AMD  $175Bench 70%, 199,645 samples1,579x
GTX 1060-6GBNvidia  $230Bench 70%, 614,494 samples1,431x
GTX 1070Nvidia  $335Bench 97%, 551,699 samples1,315x
SSD
860 Evo 500GBSamsung  $78Bench 106%, 132,236 samples1,142x
970 Evo NVMe PCIe M.2 250GBSamsung  $90Bench 232%, 62,305 samples737x
970 Evo NVMe PCIe M.2 500GBSamsung  $133Bench 271%, 91,268 samples709x
RAM
CMW16GX4M2A2666C16 2x8GBCorsairBench 78%, 3,805 samples1x
EDIT WITH CUSTOM PC BUILDER Value: 133% - Outstanding Total price: $516

Popular CMW16GX4M2A2666C16 2x8GB compatible motherboards:

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  • 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: 12 months

Speed Comparisons

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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 i7-8700K $355Nvidia GTX 1070 $335Samsung 850 Evo 250GB $84
AMD Ryzen 5 2600 $143Nvidia GTX 1060-6GB $230Samsung 850 Evo 500GB $100
AMD Ryzen 7 2700X $274Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $97
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $77SanDisk Extreme 64GB $45
Seagate Barracuda 3TB (2016) $75G.SKILL Trident Z DDR4 3200 C14 4x16GB $646SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $85SanDisk Ultra Fit 32GB $12
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